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Tuesday, July 22, 2008 11:53 AM

DVE Scalability - More to be done?

Much of my last year has been spent reading about distributed virtual environment scalability. As it turns out, perhaps it shouldn't have been. A lot of research papers I've read begins like this: "DVE's consume loads of bandwidth, and there are lots
Posted by John L. Miller | 1 Comments
Saturday, July 28, 2007 4:30 PM

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
Posted by John L. Miller | 1 Comments
Friday, July 27, 2007 5:02 PM

'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
Posted by John L. Miller | 0 Comments
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Thursday, July 26, 2007 10:45 PM

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
Posted by John L. Miller | 4 Comments
Thursday, July 26, 2007 5:06 PM

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
Posted by John L. Miller | 2 Comments
Tuesday, May 22, 2007 6:56 PM

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
Posted by John L. Miller | 1 Comments
Tuesday, March 27, 2007 8:16 PM

May the best bot win...

There are two broad areas in gaming I want to take a closer look at. The first is distributed games, and models for ensuring fairness and cheat-proofing. The second is issues which affect game play quality, such as latency and jitter in network connections.
Posted by John L. Miller | 0 Comments
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Friday, December 22, 2006 8:44 AM

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.
Posted by John L. Miller | 1 Comments
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Thursday, November 23, 2006 11:08 PM

Threading models for network services

One of the first steps in writing a multi-layered network service is determining a threading model. Common wisdom for a performant network service is that the socket layer, at the very least, should use some form of overlapped IO, such as async winsock
Posted by John L. Miller | 1 Comments
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Sunday, October 29, 2006 6:31 PM

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
Posted by John L. Miller | 0 Comments
Tuesday, May 16, 2006 2:00 PM

Using SCHANNEL and TLS

A few areas of computer science are especially intimidating. The two worst for my money are networking and security. Networking because it involves LAL of TLA's, and security because, well, it's security. Just because these areas are intimidating doesn't
Posted by John L. Miller | 1 Comments
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