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Testing Cisco's IP Video Service Delivery Network

Light Reading
6/3/2009
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This report series documents the results of a Cisco IP video infrastructure, applications, and data center test. Earlier this year, following months of talks with Cisco Systems Inc. (Nasdaq: CSCO), Light Reading commissioned the European Advanced Networking Test Center AG (EANTC) to conduct an independent test of a premium network solution to facilitate advanced IP video services for service providers, enterprises, and broadcasters alike.

It's an understatement, but we'll say it anyway: Carriers are concerned whether their service delivery networks will scale to the forecast exponential growth of video services.

In today’s competitive environment, both telcos and cable companies see the future as one IP-based network that helps to provide more flexible services. But those networks, however operationally complex, need to be manageable. And these companies need to support advanced IP video services, specifically meeting broadcaster, consumer, and enterprise requirements for HD video distribution.

So it's no wonder service providers are so tough on telecom equipment makers. And it's no wonder that some telecom equipment makers are choosing to lead the discussion on IP video, rather than waiting for their customers to ask for tomorrow's network today.

The zettabyte diet
Cisco Systems Inc. (Nasdaq: CSCO) has been spreading the zettabyte-era gospel since mid 2008. If one network-based application could really drive traffic towards the zetta mark (1 sextillion bytes), IP video would be everyone’s first bet. And these days the term “IP video” has moved on from a basic walled-garden IPTV idea to a fairly open concept.

Hulu LLC , for example, just launched an over-the-top desktop application, while Boxee is gaining ground, and AT&T Inc. (NYSE: T)'s U-verse service is delivering the Masters Tournament to its subscribers on three screens. For Cisco this must all sound great – service providers require more bandwidth in their core and aggregation networks, universal broadband access coverage, and more routers and switches out of the factory. (See Cisco: Video Will Be Half of IP Traffic by 2012, Hulu Launches Desktop App, and AT&T Delivers Three-Screen Masters Coverage .)

Cisco's Medianets
As it has shown in the past, Cisco understands the implications of bandwidth explosion both in the residential and in the enterprise world. In the latter, Cisco is already considered a fixture but it has not been resting on its laurels. Cisco has been busy adding enterprise-focused applications such as telepresence, video surveillance over IP, and digital signage to its arsenal. Cisco has described its IP, media-aware infrastructure initiative using the term "medianet" since December 2008. The company’s CEO, John Chambers, put his full force behind the story. (See Cisco's Video Blitz and How Cisco Does It.)

So Cisco has a point in analyzing the market and coming up with a marketing strategy that matches the needs of service providers. But how much of the story can it actually deliver today? Was there a chance Cisco would be ready to submit equipment and support for a test of Medianet?



The Megatest
Actually, Cisco welcomed the idea – quickly realizing, however, that this effort would be monumental compared to any equipment test ever published in a magazine in our business before. A six-month program was installed; fifteen business units got involved; Cisco’s senior vice president for central development organization backed the project; and it quickly adopted the name “Megatest” until the team converged on the more realistic name of “Über Megatest."

In an unprecedented testing campaign, European Advanced Networking Test Center AG (EANTC) was commissioned by Light Reading to investigate all of a medianet’s aspects: We started from Cisco’s network infrastructure supporting enterprise and residential customers as well as a purpose-built network for broadcasters. We then moved on to the comfort of the end-user’s home and looked at the applications Cisco says it can bring to the market. And we closed with a focused investigation into Cisco’s service provider data center solutions, which we will cover in a separate special report next week.

The tests covered the following main areas:

  • High availability with sub-second failover time for all network services
  • In-line video quality monitoring
  • Massive scalability of IP video services
  • Storage area network solutions and virtualization


In addition, we received extensive demonstrations from Cisco showing both residential and enterprise applications. These will be documented in the next article in this series, coming later this week.

Results snapshot
In short, Cisco’s medianet solution showed excellent results:

  • 8,188 multicast groups were replicated across 240 egress ports in a point of presence (PoP), showing that Cisco could serve 1.96 million IP video subscribers in a single metro PoP.
  • Accurate in-line video monitoring was demonstrated for video distribution and contribution over IP.
  • Sub-50 millisecond failover and recovery times were shown for video distribution and secondary distribution networks using, for the first time in a public test of Cisco equipment, point-to-multipoint RSVP-TE.
  • No video quality degradation in the face of realistic packet loss in the network
  • Excellent quality of service (QoS) enforcement in Cisco’s new ASR 9010 router for both fabric oversubscription and head-of-line blocking
  • Hitless control plane failover for converged network
In the world’s first test of this breadth and width, Light Reading and EANTC have found that IP infrastructure from Cisco really does deliver. This is the first in a three-part report series wherein Light Reading and EANTC will share these groundbreaking results.

In this report, we cover Cisco's medianet service delivery network. Here's a hyperlinked table of contents:

  • Page 2: Setting Up the Test
  • Page 3: The Service Delivery Network
  • Page 4: Emulating Network Services & Users
  • Page 5: The IP Video Network
  • Page 6: Results: Multicast Group Scalability (IP Video Network)
  • Page 7: Results: Control Plane Failover (IP Video Network)
  • Page 8: Results: Lossless Video (IP Video Network)
  • Page 9: Results: Mixed Class Throughput – ASR 9010 (Product Test)
  • Page 10: Results: Quality of Service – ASR 9010 (Product Test)
  • Page 11: Results: ONS 15454 With Xponder Resiliency (Product Test)
  • Page 12: Video Contribution Networks
  • Page 13: Results: Link Failure (Video Contribution Networks)
  • Page 14: Results: In-Line Traffic Monitoring (Video Contribution Networks)
  • Page 15: Secondary Distribution Networks
  • Page 16: Results: In-Line Video Quality Monitoring (Secondary Distribution Networks)
  • Page 17: Results: Link Failure (Secondary Distribution Networks)
  • Page 18: Conclusions



    — Carsten Rossenhövel is Managing Director of the European Advanced Networking Test Center AG (EANTC) , an independent test lab in Berlin. EANTC offers vendor-neutral network test facilities for manufacturers, service providers, and enterprises. He heads EANTC's manufacturer testing, certification group, and interoperability test events. Carsten has over 15 years of experience in data networks and testing. His areas of expertise include Multiprotocol Label Switching (MPLS), Carrier Ethernet, Triple Play, and Mobile Backhaul.

    — Jambi Ganbar is a Project Manager at EANTC. He is responsible for the execution of projects in the areas of Triple Play, Carrier Ethernet, Mobile Backhaul, and EANTC's interoperability events. Prior to EANTC, Jambi worked as a network engineer for MCI's vBNS and on the research staff of caida.org.

    — Jonathan Morin is a Senior Test Engineer at EANTC, focusing both on proof-of-concept and interop test scenarios involving core and aggregation technologies. Jonathan previously worked for the UNH-IOL.

    Next Page: Setting Up the Test

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    maxwell.smart
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    maxwell.smart,
    User Rank: Light Beer
    12/5/2012 | 4:03:28 PM
    re: Testing Cisco's IP Video Service Delivery Network


    Congratulations on a very well executed test. This must have been a huge effort.


    Max


     

    nealroche
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    nealroche,
    User Rank: Light Beer
    12/5/2012 | 4:03:28 PM
    re: Testing Cisco's IP Video Service Delivery Network




    Hi Carsten

    Congratulations on the big test. It appears to have been many months of effort to complete the project.

    Just one note, you referred to other recently published ‘humongous’ tests only being just ‘packet blasting’ and pointed to the Ixia & Force10 test with 250 ports of 10GbE.  This was a switching capacity test for Data Center applications. However in the same week Ixia and Juniper demonstrated at Interop a humongous test with realistic application layer traffic using our new Acceleron modules totaling 120GbE through the SRX5800 Firewall.  We did 120Gbps with two test chassis versus the five of our competitors. Obviously the tests were very different but it’s now possible to emulate the advanced services, the scalability and the level of complexity from a much smaller lab footprint.

    Neal Roche

    Ixia




    Carriercop
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    Carriercop,
    User Rank: Light Beer
    12/5/2012 | 4:03:26 PM
    re: Testing Cisco's IP Video Service Delivery Network
    Nice job Jambi.
    From A-to-Z...
    PerformanceSpades
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    PerformanceSpades,
    User Rank: Light Beer
    12/5/2012 | 4:03:25 PM
    re: Testing Cisco's IP Video Service Delivery Network
    Hey Neil,
    I stopped by the Ixia and Force10 booth at Interop 2009 to see the Force10/Ixia test, but the demonstration was a fraction of the stated ports without any published results. Interested in how these claims by Ixia and Force10 compare to the worlds largest public test (256 ports 10GbE Cisco Nexus Test powered by Spirent TestCenter) presented by Network World nearly a year ago.

    http://www.networkworld.com/re...

    J
    bwolmarans
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    bwolmarans,
    User Rank: Light Beer
    12/5/2012 | 4:03:25 PM
    re: Testing Cisco's IP Video Service Delivery Network


    'nuf said

    MalibuJoe
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    MalibuJoe,
    User Rank: Light Beer
    12/5/2012 | 4:03:17 PM
    re: Testing Cisco's IP Video Service Delivery Network


    Nice Test! I have a question regarding the "Green FootPrint" of these large scale tests. What would be the power usage for both the network and test gear? Any plans to add the green factor in future large tests?


    Curious,


    MalibuJoe


     

    John Honovich
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    John Honovich,
    User Rank: Light Beer
    12/5/2012 | 4:03:17 PM
    re: Testing Cisco's IP Video Service Delivery Network


    Who paid for this test? I am trying to understand how independent the results are and what is meant here by independence?


    Thank you,


     


    John

    DCITDave
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    DCITDave,
    User Rank: Light Beer
    12/5/2012 | 4:03:15 PM
    re: Testing Cisco's IP Video Service Delivery Network


    We did. Light Reading paid EANTC to perform the test.


    Of course, because of the amount of gear involved and the cost of simulating this kind of network, Cisco had to agree to be tested. They signed off on some things, but not on others, as the test report states.


    But EANTC worked for us on the deal and we maintained editorial control of the tests that were approved throughout the reporting process.


    ph

    cross
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    cross,
    User Rank: Light Beer
    12/5/2012 | 4:03:04 PM
    re: Testing Cisco's IP Video Service Delivery Network


    Hi MalibuJoe,


    Your note is appreciated and certainly a good idea for future tests.


    Serious tests of energy efficiency require a controlled environment and a standardized efficiency metric.  The Alliance for Telecommunications Industry Solutions (ATIS) has defined environmental guidelines and test methodology in ATIS-0600015.2009.  It defines a Telecommunications Energy Efficiency Ratio (TEER) which is a handy metric to compare energy efficiency.  However measuring TEER comes with some rigid methodology.  The bottom line is that one cannot simply add a power meter to the test because that would not prove anything :-)


    The focus of this test was different (video aware network services) so we did not strive to control the environment and run the ATIS set of tests, which require different hardware configurations to some extent (like a chassis fully loaded with a specific type of line card).


    Other than that, the biggest question from my point of view is how one would measure end-to-end service efficiency.  State of the art is just to measure and compare a single device's efficiency -- but what if one vendor requires a lot of (lean) boxes to provide an end-to-end solution, whereas another vendor can do the same with one (heavy) system?


    Best regards, Carsten / EANTC

    bwolmarans2
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    bwolmarans2,
    User Rank: Light Beer
    12/5/2012 | 4:02:42 PM
    re: Testing Cisco's IP Video Service Delivery Network


    It would be nice to see other big vendors such as Juniper or Alcatel step up to the plate, organize a nice big test, and demonstrate to the lightreading community what they can do in this space as well, because they offer (or in the context of testing "claim to offer") very legitimate and competitive high-end transport solutions for IP video of all kinds. 


     


     

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