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920-537 Carrier VoIP Media Gateway 15000 Operations, Maintenance and Configuration

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920-537 exam Dumps Source : Carrier VoIP Media Gateway 15000 Operations, Maintenance and Configuration

Test Code : 920-537
Test designation : Carrier VoIP Media Gateway 15000 Operations, Maintenance and Configuration
Vendor designation : Nortel
: 50 real Questions

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Nortel Carrier VoIP Media Gateway

Nortel CVAS sets the Stage for subsequent generation Media Gateway at Supercomm 2009 | killexams.com real Questions and Pass4sure dumps

Nortel

OTC Bulletin Board : NRTLQ

Nortel

October 21, 2009 09:01 ET

New SIP-based mostly Session conscious Media Gateway Equips service providers to convey lofty distinguished Voice and superior IP Multimedia Securely to Subscribers

CHICAGO, ILLINOIS--(Marketwire - Oct. 21, 2009) - Supercomm 2009 panoply attendees will procure a preview of the latest Nortel(1) (OTCBB:NRTLQ) provider VoIP and software options (CVAS) improvements that exploit challenges service suppliers visage as they expand their current VoIP networks with SIP entry from SMB and residential customers and lengthen to SIP peering across any IP entry type - including wireline, broadband, instant and cable networks.

delivered at the Supercomm tradeshow this week, Nortel's unique brim manage Media Gateway 1000 (BCMG 1000) is an IP-to-IP session conscious media gateway that leverages Nortel's industry-leading IPR and patents to enhance service issuer competitive learning with the aid of enhancing voice quality and safety. The Nortel Transit and Multimedia Interconnect solution equips provider providers with advanced IP media inter-working, encryption and IP voice enhancements, which enlarge the subscriber undergo and enable clients to communicate with anyone over IP, even with the other person's machine or media classification.

"As VoIP and multimedia options and applications gain develop into extra broadly deployed, service providers want aid addressing IP media impairments that gain develop into extra widely wide-spread in their multi-access networks," said Jeremy Duke, Founder and main Analyst, Synergy analysis. "This creates an rising market for session conscious media gateways dote Nortel's BCMG one thousand, which helps service suppliers to deliver communications throughout varied IP networks and enlarge community satisfactory, safety and reliability."

"Nortel CVAS is investing in inventive provider choices, dote the BCMG 1000, that aid carrier suppliers enlarge subscriber loyalty through offering immoderate first-rate IP communications and safety to conclusion users," said Samih Elhage, president, CVAS, Nortel. "Nortel's BCMG is a key factor of the company's Transit and Multimedia Interconnect reply and is designed to lop back carrier suppliers' operational expenses by means of casting off the deserve to upgrade or supplant older legacy CPE since the reply permits the connectivity to cheer evolving community features. This unique product embodies over a decade of Nortel packet media gateway journey and IPR to set the stage for the subsequent technology of session alert media gateways."

Nortel's BCMG 1000 IP-to-IP media gateway and SIP brim exploit Interconnect reply offers conclusion-to-end SIP interoperability between legacy, NGN and IMS terminals, traffic policing and marking, and can provide more comfy connections. The BCMG one thousand enhances the business's Transit and Multimedia Interconnect solution and helps carrier providers' means to:

- address challenges with multi-entry IP network convergence through the exhaust of powerful transcoding and media adaption innovations to enable subscribers to talk with any one over IP, inspite of the different person's materiel or media type.

- enlarge first-class of voice by means of casting off echoes, historical past noise, and different impairments.

- give protection measures to secrete hackers and other malicious use, akin to denial of service attacks, spoofing, service theft, fraud, and eaves dropping.

- allow extra deployment flexibility because it is a Linux-primarily based hardware unbiased solution and, it will probably interoperate with any standards-compliant designation Server, Softswitch, SIP software server and/or network media node.

- lop back operational costs by using: disposing of the should better or substitute older legacy CPE because the solution allows the connectivity to sheperd evolving network; and managing an IP-IP media gateway and a session brim controller simultaneously while can permeate conveniently support each functions in one.

Nortel's BCMG one thousand is presently available for consumer trials and is expected to exist commonly available in the 2d half of 2010. The solution is featured alongside a number of different carrier VoIP solutions in Nortel's Supercomm sales space (#2120) in Chicago this week. For more suggestions on Nortel at Supercomm, seek counsel from www.nortel.com/routine.

Nortel has shipped more than one hundred fifteen million provider VoIP and Multimedia ports to greater than 350 wireline and instant carriers globally. in keeping with Infonetics research's contemporary report, carrier company VoIP gadget and Subscribers Market Share, measurement, and Forecasts - 2Q09, Nortel kept its world management position for carrier softswitches with 30.2 % market share. in addition, in response to Infonetics, total through the second quarter of 2009, Nortel kept its position as the paramount softswitch company in both North america and EMEA. in line with Dell'Oro, Nortel has normally been ranked as the #1 international carrier VoIP and Softswitch leader given that 2002. Nortel CVAS has customer deployments in total continents with main carriers and offers VoIP options to two thirds of IDC's global list of suitable 20 carriers (by using income).

About Nortel

Nortel can provide communications capabilities that accomplish the vow of enterprise Made simple a fact for their consumers. Their subsequent-era applied sciences, for each provider company and enterprise networks, sheperd multimedia and enterprise-crucial functions. Nortel's applied sciences are designed to support liquidate trendy boundaries to efficiency, pace and performance through simplifying networks and connecting americans to the suggestions they need, once they exigency it. For greater counsel, seek counsel from Nortel on the internet at www.nortel.com. For the newest Nortel news, contend with www.nortel.com/news.

certain statements during this press liberate may additionally accommodate phrases equivalent to "might", "expects", "may also", "anticipates", "believes", "intends", "estimates", "objectives", "envisions", "seeks" and other equivalent language and are regarded forward-looking statements or counsel under applicable securities law. These statements are in response to Nortel's present expectations, estimates, forecasts and projections in regards to the working ambiance, economies and markets by which Nortel operates. These statements are subject to faultfinding assumptions, dangers and uncertainties, which can exist intricate to augur and the genuine upshot can exist materially distinctive from these meditated in ahead-searching statements. For more information with esteem to sure of these and different elements, notice Nortel's Annual report on Form10-k, Quarterly stories on kindly 10-Q and other securities filings with the SEC. except otherwise required through applicable securities laws, Nortel disclaims any objective or responsibility to update or revise any forward-searching statements, whether because of unique counsel, future events or otherwise.

(1)Nortel, the Nortel brand and the Globemark are logos of Nortel Networks.

Use of the phrases "accomplice" and "partnership" doesn't imply a legal partnership between Nortel and another birthday celebration.


GENBAND chosen to purchase Nortel’s CVAS belongings | killexams.com real Questions and Pass4sure dumps

PLANO, Texas--(enterprise WIRE)--GENBAND, Inc., a leading developer of subsequent-generation media, session and protection gateway solutions, these days introduced that it'll purchase greatly total belongings of the Nortel provider VoIP and utility solutions company (CVAS). The acquisition is bailiwick to court and inescapable regulatory approvals in Canada, the U.S. and other jurisdictions, as well as different closing conditions.

The acquisition will combine GENBAND’s next-generation media, session and protection gateway technologies and Nortel’s softswitch, media gateway and software applied sciences, offering service suppliers a gold standard-in-class, end-to-conclusion switching and global capabilities portfolio.

“by way of melding these market-main applied sciences into GENBAND, they are able to create essentially the most finished, necessities-based mostly switching portfolio on the planet,” mentioned Charles D. Vogt, president and chief government officer of GENBAND. “Our imaginative and prescient is to gas the business’s desired community migration direction to reducing-area IP expertise by way of instituting open requirements, open interfaces and interoperability. No other company can exist superior positioned to enable carrier suppliers a greater low-budget capacity to optimize their existing mounted TDM networks, and transition from mounted TDM to IP and from fixed to cell convergence.”

as soon as the transaction is authorized through the courts and closed, GENBAND will gain superior its analysis and building, sales, and aid operations spanning the globe. The enterprise may gain items deployed with over two-thirds of the world’s properly 100 service suppliers and will cover great markets together with fixed, mobile, cable and broadband operators. GENBAND will continue its dedication to latest company partnerships with plans to extend product, service and aid relationships following the shut of the Nortel CVAS transaction.

GENBAND has teamed with One fairness partners (OEP) and other current shareholders to secure the Nortel belongings.

“GENBAND’s acquisition of Nortel CVAS will catapult the trade to the excellent of the carrier VoIP materiel market with the aid of becoming a member of market-leading softswitches with a pacesetter in media gateways,” said Diane Myers, Directing Analyst, Infonetics. “The incontrovertible fact that GENBAND plans to hold total of the pieces intact will change the visage of the provider VoIP business. while Nortel CVAS’ VoIP materiel and purposes options mesh properly with GENBAND’s portfolio, Nortel’s installed basis of DMS clients is additionally a golden nugget. The legacy company is a superb healthy for GENBAND on the grounds that they gain got mastered holding, supporting and migrating legacy switches to the aspect the position they are tricky to beat.”

About GENBAND

GENBAND is a global leader and innovator of subsequent technology IP media, session brim and fixed cell convergence protection options deployed in over two-thirds of the area’s one hundred biggest service providers. These excessive-efficiency gateway options are on the core of mounted and cellular networks around the world – evolving, securing and embellishing communications networks. Headquartered in Plano, Texas, GENBAND has facilities of Excellence total over and serves valued clientele and companions in more than eighty countries. additional information is purchasable at www.genband.com.


Nortel Sells VOIP enterprise to Genband | killexams.com real Questions and Pass4sure dumps

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Carrier VoIP Media Gateway 15000 Operations, Maintenance and Configuration

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SDN goes mobile: core concepts for mobile backhaul implementation | killexams.com real questions and Pass4sure dumps

Telecoms.com periodically invites expert third parties to share their views on the industry’s most pressing issues. In this post, Bill Kaufmann, Group Product Manager, SDN Planning at Coriant, explores the benefits of SDN to mobile backhaul networks and looks at best exercise for implementation.

Mobile services and mobile backhaul (MBH) networks are under pressure from a variety of technology, market, and pecuniary forces.  Bandwidth demand from mobile devices (smartphones, tablets) is exploding, driven by streaming media and real-time communications applications. With LTE-A and 5G mobile user throughputs rising to 1G and beyond, it is becoming increasingly costly to backhaul total traffic to the network core. 

A unique generation of services – and rising end-user quality of undergo (QoE) expectations – will exist far less tolerant of latency and congestion.  As unique Over the Top (OTT) applications emerge with increasing speed, carriers will struggle to respond on short notice to user and service demand. The predicted proliferation of low speed sensor traffic and network attached devices for Machine Type Communications (MTC) will require ultra-high reliability connectivity to private monitoring facilities rather than traditional mobility gateways.

These trends point to the exigency for a less hierarchical, more dynamic, and performance-aware mobile backhaul network at a time when pecuniary pressures demand more efficient network utilization, more efficient network operations, and innovative unique services.  Fortunately, implementation of Software Defined Networking (SDN) in mobile backhaul networks can cheer meet these challenges.

SDN Concepts

There are 3 key SDN concepts that vow substantial benefits in mobile backhaul networks:

  • Centralized Control Plane Functions. A centralized controller opens the network to unique classes of carrier service and faster upgrades since only the controller must exist updated for unique functionality.  The exemplar SDN architecture for mobile backhaul will selectively centralize functions best served by a unified controller while leaving packet forwarding decisions for traffic management and resiliency, OAM and performance management, network synchronization, and  other functions within distributed network elements.
  • Open Standard Programming APIs.  In order to support a broad variety of applications in a multi-vendor network, an open library of Application Programming Interfaces (APIs) is needed. Rather than expose total of the complexity of the network, APIs present a simplified, distraught view so that carrier applications can accomplish high-level service requests without the exigency to know path details or hardware configuration protocols. The SDN controller translates API service requests into hardware configuration commands.  As long as the northbound interface to applications is consistent, the southbound interface to network elements can exist a mature, full-featured legacy protocol, such as SNMP or NetConf, or a newer protocol such as OpenFlow.  In this way both legacy materiel and unique network elements can become allotment of a common programmable network. Increasingly, carriers are realizing that such a pragmatic approach to SDN control will exist essential to the evolution of existing, multi-vendor mobile backhaul networks.
  • High Performance Network Elements.  With thousands of network elements widely distributed across a geographic area, the MBH network demands high-performance infrastructure combined with low-touch management.  Even with unique SDN control and orchestration capabilities, a robust mobile backhaul network ultimately depends on high-performance network elements. Often these devices are located in remote, difficult to access, or harsh operating environments so must exist built with appropriate shape factors and environmental specifications.  In addition to forwarding traffic, these routers must provide performance monitoring, foible detection alarm generation, outage detection and failover.  They must track network layer performance that is then reported to the central control platforms.  Most faultfinding for mobile networks is the delivery of network synchronization to ever tightening standards.
  • Together, the introduction of an external control plane and programming APIs, on top of a robust network infrastructure, will enhance backhaul configurability and optimization to better flexibility and responsiveness of the mobile network.

    Implementation

    These concepts point to a several set of lead SDN applications for mobile backhaul networks.

    Improved Network Utilization and Operation. Excess capacity is commonly provisioned in MBH networks in the shape of protection links in case of network outages.  In addition, steady state network traffic usage is often capped at 60-70% of total link capacity to accommodate bursty traffic patterns.  This combination of design criteria leads to networks operating at only 30-40% of potential capacity.  With SDN, unique network optimization policies such as re-routing bursty traffic to alternate paths based on congestion, or making exhaust of protection paths to accommodate unpredicted bursts, can exist enforced.

    Today’s mobile networks were designed to direct total traffic to a central core, but as traffic patterns change and pass between cell sites, and as virtualized services supplant static gateways, more efficient traffic distribution to local handoff points can reduce network load to the mobile packet core.  Coriant analysis has estimated that more flexible bandwidth allocation in response to application-driven traffic requirements can generate total mobile backhaul capital expenditure savings of up to 35%.  Moreover, by presenting a simplified network view to higher-level management tools, the operating cost and complexity of defining unique services and building connectivity to unique carrier services is significantly reduced.

    Operating expense benefits from SDN will exist achieved through a streamlined network management and control environment.

    Automated S1 Interface Provisioning, Re-homing, and Optimization.  The S1 interface from cell site to Evolved Packet Core (EPC) is the most fundamental LTE interface.  Today, this link is typically configured once and left in place.  Manual input by network administrators is generally required for unique service configuration or updates. Granular service configurations and circuit mappings must exist input via cumbersome command line interface (CLI) or other legacy management protocols (e.g. SNMP).  Processes involving multiple configuration and management systems are difficult to adapt to unique services, and impose long service activation cycles.  Optimizing in-production services poses an even greater challenge.

    With SDN, this static deployment model can change to streamline operations and accommodate future virtual network designs and IoT services.  A dynamic path control plane can automate S1 activation to virtual gateways, turn on small cells as needed based on network usage, and optimize the S1 path in real time based on network performance, alarms, or congestion from other sites and applications.

    More broadly, SDN automation can ensure optimal routing to maintain QoE across mobile backhaul and fixed-mobile converged networks and can exist linked to on-demand service delivery.

    Network Support for Distributed Virtual Gateways (Smart Mobile Cloud). In the dynamic network of the future, instead of directing traffic to one central gateway, a blend of virtual resources (EPCs, ADCs, security gateways, etc.) will exist available on demand, just as virtual servers are activated in data centers today.  Virtual appliances will exist distributed to more effectively cover urban metro areas, bucolic communities, enterprise customers, or dedicated IoT applications.

    To support this dynamic environment, access and aggregation networks must adapt in real time to provide connectivity on the Fly as virtual resources are activated.  SDN-based network automation is required where destination routing using static MPLS tunnels does not provide sufficient flexibility.  Using SDN, discontinue user traffic can exist re-homed toward newly activated resources, or diverted to available capacity for load balancing.

    As L4-7 functions (e.g. firewalls, NAT, DPI, load-balancing, etc.) scurry to virtual platforms, SDN can activate connectivity on-demand to unique service instances.  Ultimately, the growing distribution of services throughout metro networks will lead to knowing IP/MPLS and virtual appliances at the edge, and a multi-layer, multi-domain SDN control structure to support a dynamic unique service environment.

    Summary

    Mobile backhaul networks are on the cusp of major re-design to support next generation wireless services.  SDN promises to accomplish this transition practicable along with improving utilization and user quality of experience.  While these benefits are alluring, in practical terms SDN will exist implemented in networks with great amounts of legacy equipment.  The migration of legacy networks to SDN control is perhaps the most faultfinding technical challenge for service providers.

    With the significant capital investment and operational complexity ingrained in existing MBH networks, network planners must carefully evaluate different approaches to SDN as they undertake initial rollouts over the next 2-3 years.  Having a pellucid understanding of the highest potential applications for SDN in MBH, as well as developing consistent criteria for solution evaluation, will exist essential to gain maximum benefit from these initial deployments.

    Bill_Kaufmann_CoriantBill Kaufmann, Group Product Manager, SDN Planning, Coriant


    Yes, Virginia, there's a CDN service for everyone | killexams.com real questions and Pass4sure dumps

    Kyle Sisk knew exactly how his nonprofit organization could accelerate streaming educational video to its subscribers. The only problem was that he couldn't afford it, or so he thought.

    Best described as a tiny Netflix for a specialized audience, Described and Captioned Media Program (DCMP), headquartered in Silver Spring, Md., is funded by U.S. Department of Education grants to distribute educational video content to K-12 students with visual and/or hearing impairments. But the organization is at the lenity of available bandwidth and a wide variety of network issues.

    As informational systems manager at DCMP, Sisk wanted subscribers to exist able to access DCMP's library of 7,000-plus videos without suffering the buffering set of death that signals network problems. From his background in video production, Sisk knew a content delivery network (CDN) could accelerate distribution by caching videos on servers on the network edge located as immediate to the user as possible.

    Hosting its own glance Media Server in-house for two years, DCMP's IT staff had spent hours dealing with bandwidth constraints and troubleshooting with users to try to deliver video through school firewalls, where DCMP's IP address often wasn't recognized as a trusted provider. That's when the organization decided to spy at CDNs again.

    "We assessed a lot of small CDN players because they assumed that was total they could afford," Sisk says, although he furthermore contacted cloud-based Limelight Networks, one of the larger CDN service providers, but only to procure a baseline so he could compare it to the prices, services and geographic achieve of the smaller players.

    "In talking with [Limelight's] sales engineers, they figured out that they could actually afford it. They were shocked, to exist honest," Sisk says.

    CDN market grows

    DCMP is just one of a growing number of organizations using CDN services to accelerate the delivery of content by caching it locally. And more enterprises are weighing whether CDNs could work for them.

    First created in the late 1990s, content delivery networks were originally the province of the biggest online media outlets, software distributors and e-commerce companies that wanted to deliver content as immediate to the user's location as possible. At the time, network bandwidth was constrained and latency was high. Akamai Technologies, the oldest designation in CDNs, launched service in 1999 to address needy content delivery by placing distributed infrastructure -- often hundreds or thousands of servers -- at points of presence (POPs) or data centers around the world.

    Like getting an Amazon order delivered the very day from a local Amazon warehouse, distributed CDN architecture offloads content from the customer and accelerates its delivery by caching a copy and serving it to the user from the POP closest to them. While CDN services weren't cheap, they were a necessity for companies that depended on website performance and availability.

    With customer-facing websites now commonplace, the concept of serving content locally is flourishing. Due to the increased exhaust of video, the growing digital economy and increased cloud services adoption, a number of unique CDN providers gain launched in the past five years. To compete against established companies dote Akamai, many target specific types of customers at prices lower than ever before, making CDN services affordable to the many rather than the few.

    CDNs typically address three core areas -- software, media and website delivery -- which now furthermore includes mobile application delivery, says Gartner CDN analyst Lydia Leong.

    Branching out over the years, CDN providers gain furthermore added complementary services that accomplish their value about more than speed. Options involve distributed denial of service (DDoS) protection, web application firewall services, streaming video platforms, load-balancing, web content optimization and analytics. Some CDNs give customers access to their platforms, allowing developers to exhaust their application program interfaces (APIs) to add features to their own applications. Others accomplish testing before buying facile so businesses can notice immediately what CDN services can achieve for them.

    "CDNs gain gotten more and more economical, and they've become more cost-effective for a broader variety of companies," says Leong. "Since customers are building applications that reside on the internet, practically any company might potentially gain exigency for [a] CDN."

    The numbers speak to increasing interest in website acceleration services. In 2015, the global CDN services market generated almost $4 billion in revenue, which represents growth of about 13% over the previous year, according to 451 Research CDN analyst Jim Davis. By 2019, he projects CDN revenue will grow to $6.8 billion.

    CDN service prices and options

    The trick for any enterprise is finding the CDN service that fits its needs at the perquisite price.

    Traditional CDN pricing is driven by volume -- the number of viewers, the demur size of the cached content and the number of distributed locations serving it. lofty volume often means lofty discounts. Cloud-based CDN services are usually lower, and the more basic the service, the lower the price.

    It helps to start the CDN search process knowing how many objects might exigency to exist cached, the average size of those objects and how many visitors you expect. It's furthermore useful to factor in the costs the enterprise already pays to speed its website to cheer compare it to the cost of using CDN services. These involve the obvious storage and server costs, along with less-obvious components dote the cost of API-driven store look-up features that using a CDN might offset.

    Akamai remains the immense daddy of CDNs, with its own network, intellectual property, customer list that reads dote a who's who of internet companies, and services for total CDN market segments. With longevity and 215,000 servers deployed in more than 2,000 locations, Akamai has between 50% and 60% of the market share.

    With Akamai's depth and breadth, it may sound dote other providers should pack up their tents. But customer options continue to grow.

    Some CDNs differentiate themselves on the fact that they're not Akamai, pitching themselves as "new and nimble," if smaller. Some serve specific regions; others target small and midsize businesses, or appeal to developers with their open APIs.

    The unique world of CDN competition includes providers dote Fastly with its API-driven focus; ChinaCache with extensive presence in China; CloudFlare; Amazon's CloudFront; CDNetworks; Yottaa with its mobile performance focus; and Limelight Networks' video services. The list goes on.

    A typical Akamai customer often pays from $10,000 per month and up, Leong says, usually not a small-business price. Yet Akamai sells some of its CDN services at lower prices through hosting companies or service providers. The availability of cloud-based CDNs has given accelerated content delivery a boost for companies of total sizes, however. Cloud-based CDNs aren't as expensive to launch because they're not necessarily buying piles of their own servers. "That means you can start a CDN as if it were a software company," Leong says.

    In making their choices, businesses may not exist of a size to economically exhaust Akamai, but there are options, Leong says. "Because the cloud is driving unique opportunities, the digitalization of the economy is driving tremendous unique ranges of things that reside on the internet."

    Using its cloud services dominance, Amazon Web Services (AWS), as the largest cloud services provider, is driving CDN awareness (and lower pricing models). AWS makes it facile and affordable for AWS cloud customers by integrating its cloud storage with its own CDN, CloudFront.

    While there may exist reasons to exhaust a more sophisticated CDN service, AWS's approach is compelling as a starting point, Leong says.

    "If you're a startup or other company delivering your online property using AWS, it makes a lot of sense in many cases to exhaust Amazon's CDN," she says. "Amazon makes it easy, so more people can, in a sense, play with it to notice if it works for them."

    Testing, testing, testing

    The competence to test CDN services in real time and notice the immediate disagreement a CDN can accomplish -- or not -- may exist the strongest selling point for growing CDN adoption. Rather than conducting a huge request for proposal, customers can just try a CDN and notice what happens, Leong says, adding that SMB-focused CloudFlare lets users sign up and exhaust it without paying anything upfront.

    "We always recommend that customers spy at CDNs by actually trying them to procure a sense of how much caching improves performance," Leong says, adding that businesses can then pick if basic caching is enough or they exigency a more sophisticated service.

    Test results can furthermore cheer enterprises procure buy-in from multiple stakeholders within their companies since CDNs don't plunge strictly under the jurisdiction or budget of networking or IT.

    Testing made the disagreement for About.com, one of the oldest established web properties. The unique York-based company, launched in 1997, offers more than 3.5 million pieces of largely static content on about 1,000 topics that generate about 30 million page views a month. For years, the company assumed most of those page views came from North America, says Matt Landolf, About's director of operations.

    About.com has traditionally tested content delivery every pair of years, and the results were never compelling enough to warrant buying CDN services, so it continued to serve its content from its three POPs in San Jose, Dallas and unique York. That changed in 2012 when the team extended testing to international locations with both Akamai and Fastly.

    "We gain really distinguished BGP (Border Gateway Protocol) peering and are partnered well, and they were still under the impression that most of their main audience was in North America," Landolf says. Expanding its testing to Australia and Southeast Asia showed those segments of About's audience had grown and that it could assume an unacceptable eight seconds to procure a page served in some locations.

    "We chopped down their response time by more than half for 20% of their audience with just a quick change," Landolf says.

    About.com chose Fastly's CDN services, and uses other services from Akamai. The biggest selling point to the About.com developers and decision-makers concerned about making a immense change was seeing how quickly they could accomplish changes to Fastly's global caches.

    Using Fastly's Instant Purge feature, "If there was a mistake or something unforeseen happened, you could change it and the configuration would exist replicated around the world in less than three seconds," Landolf says.

    Who will buy?

    Pain points usually drive the search for a CDN service, but CDN buyers aren't easily classified. Not only achieve the types of businesses buying CDNs vary, but the stakeholders within them gain a wide ambit of roles that involve network architects, network security architects, web application developers, CIOs, chief marketing officers, even individual lines of trade that may gain a mobile app they want to discharge better.

    Coming from a nontechnical background, Mirjana Novkovic, vice president of marketing at speakers bureau Harry Walker Agency, needed to better video delivery via the agency's website. The company represents hundreds of experts in a variety of fields -- including Bill Clinton, Henry Kissinger, Michael Eisner and Tim Berners Lee, to mention a few -- and books speaking engagements for them around the world.

    As head of marketing, Novkovic wanted to accomplish the 1,000 videos on Harry Walker's website load faster and play consistently for booking agents and visitors to the site who were looking for an event speaker. Her path to CDN awareness came after she watched a webcast on video platforms while on maternity leave and received a white paper from Limelight Networks about CDNs.

    After reading it, Novkovic decided to involve CDNs in her video platform search process.

    "It was really a huge learning curve for me because I'm not a technical person, so they were looking for a colleague that could truly exist an extension of their department," she says.

    In her conversations with top video platform providers and CDNs, Limelight won hands-down for customer service and the information they provided her company. If she has a problem, Novkovic says she sends a quick email and gets one perquisite back from someone on the case. "It's a name, a person I can call. I assume that's so important. They provided more than 200% over what I was even looking for," she says.

    In the growing CDN service market, most providers present businesses content delivery services along with crossover services that involve security, video and optimization. And by targeting specific businesses and making their networks more programmable, Gartner's Leong says more CDNs are addressing segments of the market that haven't been included in the past. At this point, almost any company could potentially exigency a CDN.


    NBCU Philly Stations accomplish immense Leap To IP | killexams.com real questions and Pass4sure dumps

    The unique WCAU-WWSI facility, set for a grand opening sometime this fall, is IP-centric and is designed to not only give the two stations a more efficient space with a common technology infrastructure, but to give their personnel unique flexibility in creating content for today’s multiplatform world.

    by Glen Dickson October 11, 2018 11:23 EST

    The first thing you notice when entering Studio A at the new, state-of-the-art facility where NBCUniversal Owned TV Stations Division’s WCAU Philadelphia newscasts will soon exist produced is an immense cityscape behind the anchor desk.

    Measuring 20 feet across by 10 feet high, the image is not unlike those on many TV stations these days. Except that on this one, flags are affecting in a slight pushover and the water of the Delaware River is flowing by on a gray, overcast day.

    “It’s a 4K LED monitor which will broadcast 4K video from a 4K camera,” explains Ric Harris, president and generic manager of NBC10 and sister station WWSI (Telemundo62). “It’s going to give us the best skyline shot of Philadelphia.”

    The facility, furthermore home to WWSI, offers distinguished views from any of its windows. It’s located on three floors (12-14) of the 60-floor, 1,121-foot Comcast Technology headquarters in downtown Philadelphia.

    Inward from Studio A, you can spy across a glass enclosed, two-story atrium to notice a similar studio — just steps away — where the WWSI anchors will sit in front of another, only slightly smaller, 4K monitor.

    An open staircase just outside the entrance to Studio A descends to a large, open newsroom, flooded with daylight from the atrium’s main wall, where reporters and producers from both stations work together.

    But the real marvel of the position may not exist the architecture and interior design, but the cutting-edge fibered-linked IP infrastructure at its core.

    The open newsroom

    “I didn’t want to exist restricted by traditional SDI routers, and I wanted the competence to keep video coming in and gain it vanish anywhere else in the plant,” says Tony Plosz, WCAU-WWSI VP of engineering and operations.

    “I furthermore wanted the flexibility so that staff could exhaust any system, and work anywhere across the floors, or even in the field. The ‘anywhere, anything’ philosophy was really immense in the design.”

    Having originally planned to launch in late 2017, NBCU has been letting its 2018 launch date — now set for sometime this plunge — quietly slip as engineers work to finalize software and staff gets up to speed on updated platforms.

    “We are using the latest versions of the technologies they gain installed, and they are working now to accomplish sure everything works together as it should,” Harris says. “We will launch when they know it’s right.”

    The stations’ sales, traffic, finance and human resources departments have already moved in and news, creative services and engineering staff gain been splitting time between the unique space and the existing station in suburban Bala Cynwyd, which will eventually exist vacated.

    “It’s been a long road, and dote any other large-scale project, we’ve made changes along the way,” says Plosz. “It’s been a lot of fun, seeing a concrete slab turn into functioning office space.”

    Integration And Connectivity

    Comcast Technology headquarters is speed by NBC parent Comcast and real estate investment trust Liberty Property Trust. Besides the stations, the other primary tenants are Comcast and a Four Seasons Hotel, which occupies the top of the building.

    LF Driscoll is the generic contractor of the building with Diversified handling the technical integration for the broadcast facility.

    The broadcast facility will accommodate about 180 employees. An additional 60 employees, such as photographers and reporters, will mostly stick to the field.

    The scurry into the unique facility is allowing NBCU to further integrate WCAU with WWSI, which it acquired in 2013. “We’re taking it another step further here, and they are truly on the very platform,” says Plosz. “They gain identical control rooms, the very technology in the studios, everything is the same. Before, so much was keep together on the fly, while here they start from complete scratch.”

    Another of the goals is to better integrate broadcast and digital production. Reporters, producers and anchors working on a Show amass at a pod — one of several long narrow black tables topped by black monitors — where they can collaborate as they procure closer to air. Steps away is the digital pod for both stations, and immediately behind that is the assignment desk.

    “It’s total connected,” Harris says. “Weather, Show pods, digital, assignment desk — all within steps of walking to one another.”

    The open floor concept contrasts with the chopped-up configuration in Bala Cynwyd where Plosz says “everybody was in their own puny corner or section. There’s no hunting for someone, total the core groups are on 12.”

    Nestled next to Studio A — and a few feet away from a reception desk — is Harris’ office. “This is a microcosm of what the station is about,” he says. “There is a sense of connectivity. My office isn’t off in the hinterlands. I’m centrally located so I gain access to their folks and the team has access to me.”

    There are three studios. The 2,600-square-foot Studio A for WCAU, a 2,400-square-foot studio for WWSI and a 1,500-square-foot auxiliary studio with a great green screen that covers the entire rear wall, giving the station the occasion to achieve full virtual set operation in the future.

    Plosz sees that third studio as a “really flexible space” that will exist used for special word segments as well as being employed by creative services to produce commercials for local advertisers.

    The 13th floor houses back-office functions including sales and traffic as well as executive offices. The 14th floor contains the finance and human resources departments, a great conference elbowroom and the Central materiel elbowroom (CER), which represents the technical guts of the facility.

    IP At The Core

    The routing core is a Cisco 100-gigabit Ethernet “Fabric for Media” architecture that links to Grass Valley IPG (IP gateway) cards, allowing the stations to assume video and “route it via IP to wherever it needs to go,” says Engineering VP Tony Plosz.

    When the stations did the technical design 2.5 years ago, Plosz opted to vanish with an IP routing core. But at that point the SMPTE 2110 standard didn’t yet exist, and vendors at the 2016 NAB Show were mostly talking about supporting the IP transport of content instead of actually doing it.

    “When they did the proof of concept with Diversified in Atlanta, it was puny different than traditional TV stations they had done,” says Plosz. “There were a lot of things that didn’t exist.”

    Since he couldn’t design a completely IP operation in 2016, Plosz opted for an IP core, with no traditional SDI router, but “off-ramps to SDI” throughout the stations’ operations. The routing core is a Cisco 100-gigabit Ethernet “Fabric for Media” architecture that links to Grass Valley IPG (IP gateway) cards, allowing the stations to assume video and “route it via IP to wherever it needs to go,” says Plosz.

    “When they first started this endeavor, they didn’t know who was making what,” says Plosz. “There was [SMPTE] 2022-6, and 2022-7, but they didn’t know what would exist compatible. Over the course of two years the design changed, as even more things went indigenous IP.”

    For example, in that time Ross Video’s graphics went from “SDI islands” to direct IP, he notes.

    The Cisco routing switches are configured in a traditional spine-and-leaf architecture, says Plosz, with distributed routing across the entire central materiel room. That allows the station to easily plug in unique materiel to the top of a rack and cuts down on overall cabling. There is no exigency to speed cable to one back row, as the whole router is distributed across mulitple rack rows.

    When Plosz began looking in 2016 at broadcast vendors to support the IP infrastructure, he quickly narrowed the choices to Grass Valley and Evertz and eventually settled on Grass Valley.

    At that point Evertz already had some great IP installations at major broadcasters dote ESPN, using its proprietary ASPEN video-over-IP transport protocol.

    “They did so well before there were any standards created — they were affecting IP packets and they had some ripen product,” says Plosz. “But what was the disagreement between that and a traditional SDI router? They were affecting IP video around, but it was still done through their own switch, and you couldn’t scurry other data through it. Did I really want to supplant one proprietary router with another?”

    In the end, Plosz thought that Grass Valley had a more comprehensive long-term vision for IP routing and would “be better partners through the science project.”

    One of his design criteria was that if the station was going to build its routing on a COTS (common off-the-shelf hardware) switch, it still needed the full support of whatever traditional broadcast vendor was interfacing with it.

    “Grass Valley is their ‘one throat to choke,’ so to speak,” jokes Plosz. “We gain a distinguished relationship with Cisco, but if they gain any issues, they vanish to Grass Valley.”

    In addition to the IP gateways, Grass Valley has furthermore supplied its LDX 86 studio cameras. Besides Cisco and Grass Valley, other key vendors for the unique facility involve Dalet Galaxy asset management, Ross Overdrive production automation, Adobe Premiere nonlinear editing, Lawo audio processing and EMC Isilon solid-state storage.

    Fiber, Fiber Everywhere

    Being allotment of the Comcast enterprise means this unique facility has an incredible amount of fiber-optic connectivity. That is principal when housing a station in a skyscraper, notes Plosz, as he’s not going to position a microwave tower on the roof.

    “This building is extremely well connected, and the levels of redundancy here are nothing short of staggering,” says Plosz. “There’s half a terabit per second of I/O in and out of this place, with two complete diverse paths.”

    WCAU-WWSI GM Ric Harris

    In all, there are 60 miles of fiber in the Comcast Technology headquarters with 1,100 access points. total the major wireless carriers gain multiple transmitters in the building, says Plosz, and cellphones work even in the “deepest, darkest corner” in the parking garage.

    “It’s a phenomenal data system,” he says.

    All of the beauty cameras the stations exhaust around Philadelphia now speed on the Comcast IP network. The facility is furthermore converting its studio-to-transmitter link to IP with two physically diverse 100-gigabit fiber paths.

    The transmitter site is in Roxborough, northwest of downtown.

    “There’s still some microwave gear there, and a puny satellite farm,” says Plosz. “We’re going to extend their Media Fabric over fiber out to Roxborough and accomplish it allotment of their [network], an operator here could draw from there and won’t know any difference. They wouldn’t exist able to achieve that  without the connectivity they have.”

    The unique broadcast facility is designed to exist one of the most energy-efficient TV operations in the country. It uses heating/cooling and ventilating systems that better indoor quality and reduce noise, and incorporates other green features dote capturing natural light from its wall-to-floor windows, water and energy conservation throughout and automated window shades to reduce summer heat. The stations gain furthermore tried to exhaust Energy Star-compliant displays and computers wherever possible.

    The stations gain applied for an LEED Platinum certification, which if approved by the U.S. Green building Council, would exist the first time a local broadcast TV station achieves the Platinum LEED level.

    Another unique feature of the Comcast Technology headquarters is the sheer volume of broadcast service panels located throughout the building, including in the lobby, outside on the street, in the cafeteria and the building’s “town hall space,” and in several locations within the Four Seasons Hotel including the ballroom and restaurants on the top two floors.

    “We already treat their newsroom as a fourth studio,” says Plosz. “Now the  building becomes that fifth studio — there are so many places to easily plug in and vanish live.”

    Kathy Haley contributed to this story.

    Tags: Adobe, Cisco, Comcast Technology Center, Dalet, Diversified, EMC Isilon, Grass Valley, IP, Lawo, NBCUniversal, unique Facilities Insider, Ric Harris, Ross Video, Tony Plosz, WCAU Philadelphia, WWSI Philadelphia


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