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Peer-to-Peer Content Distribution and download speeds

When I talk to people about P2P content distribution, there's a common misperception. They assume that the more people there are downloading that file, the faster download goes. This isn't usually true, as I'll explain below. What is true is that a peer-to-peer

'Managed Prototypes'

MSCD has a front-page story on research.microsoft.com . A friend of mine asked me about a quote in the article which could perhaps be misunderstood: “It is as much as eight times faster than our original managed prototype, and it’s great that customers
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MSCD links to download Visual Studio 2008 Beta 2

If you're interested in using Microsoft Secure Content Distribution to download Visual Studio 2008 Beta 2, just click here , install and run the downloader, and you'll be off and running! This version of MSCD will be available for four weeks, so you have

Microsoft Secure Content Distribution

A few years ago, Pablo Rodriguez and Christos Gkantsidis applied Network Coding to Peer-to-Peer file swarming, calling their system 'Avalanche' . I was lucky enough to be involved in their project. Over time, Cambridge Incubation at Microsoft Research

Writing a Packet-level Simulator

Over the years I've gained a healthy respect for the value of simulation. Abstract algorithm simulation can help you fine-tune your core concepts and transaction structure. Low-level network simulation can give you a controlled environment in which to

And now for something completely different...

So far I've mostly written about issues that come up in my day-to-day development life, and not very often at that. Starting with my next post, most of what I write about will be related to my research efforts, and I should be posting more frequently.
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NAT Traversal

Over the years I've done a lot of work on P2P protocols. One challenge which consistently arises is devising a good P2P NAT traversal strategy, i.e. one which doesn't require all data between clients be relayed through a server. Common wisdom divides
 
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