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ET SIG:TV Quality Reliable Wireless Video Streaming

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Description

  • Presenter

    William Jolitz - Valux

     

    Presentation Overview

    Everybody wants to watch movies on a computer, but nobody does. It's worse on wireless, and even more hobbled on a cellphone or PDA. So what's a service provider to do? The customer expects TV or the service is toast. Is this possible?

    The problem's maintaining continuous service delivery quality. We know this, because downloaded movies play just fine. But download movies have other problems - copyright, storage demand, and unpredictable viewing availability. While there are cures, the cure is often worse - killing the emerging business. Let's get real - download is really "plan ahead, pay once, use forever". Streaming is "pay per view" - what the service provider wants. It would be so much easier if reliable streaming worked over wireless.

    Today we either rollout unreliable wireless services or demo reliable services in a fantasy sandbox - the real world is a hard test. When you still can't get good cellphone coverage on the financial mecca of Sand Hill road, can you expect to pull out a PDA at Starbucks and get Shrek even half as good as a cheap TV can? Yet large scale wireless deployment is happening worldwide - the business opportunity of delivering on the services that get a ROI on this immense gamble is extreme.

    We can make reliable streaming over wire connections right now using bandwidth surplus, fast failover switching, and careful network design. But it still takes remarkably little to destabilize a single stream, let alone thousands in competition for transport resource. In studying the stable stream we've found a novel hardware/software approach for wireless video.

    The network hardware is InterProphet's Silicon TCP stack used as a distributed transport that can achieve ontime delivery of video. A software framework that provides for reliability and embedded monitoring is a critical part of the deployment story in managing the infrastructure. With it, customer quality is maintained while challenges to the service are acted upon before a loss of quality can occur. Such a framework is repurposed from delivering reliable web services, as described in my article on "Web Services in Datacenter Environments" in the April edition of Dr. Dobbs Journal.


     

    About the Presenter

    William Jolitz, President at Valux

    William most recently served as senior executive of an international managed service provider, and in various capacities planned and deployed multiple large scale datacenters, global NOC, and joint service operations with international partners. Under his watch, his development staff designed novel products to empower customers with real-time access and control of services.

    William has founded and served in executive positions at InterProphet Corporation, Tandem Computers, Commerceflow, and Symmetric Computer Systems. He consults to major corporations in business and technical strategy. He was the architect of the first open source Berkeley Unix releases. He is a widely-read international author.


     

    Event Logistics

    Location

    Cubberley Community Center
    4000 Middlefield Road, Room H-1
    Palo Alto, CA

    Agenda

    7:00pm registration/networking/refreshments/pizza
    7:20-9:00pm presentation
     

    Cost

    $15 at the door for non-SDForum members
    No charge for SDForum members
    Free to PMI Members for the month of September
    Please call 408.494.8378 for student memberships
    No registration required

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