Scalable GoogleTalk

Although in the back channels of news and talks about communications, Google talk has gone through many a changes and challenges. Two of those were integration with GMail and Orkut, both of which I use extensively.
These integrations provided unique scalability challenges to Google Talk team and had to handle a sudden increase in very large number of users. But they have fared very well and one of the Engineers, Reza Behforooz, has done a presentation at the Google Scalability Conference
a while ago. But the lessons learned might help any project that will require to scale to large number of users in a very short time.
Following is a video at Google Video.

Google Talkabout: Lessons in Building Scalable Systems

Tags: Scalable Systems, googletalk, gooletalk, GMail, Orkut, Google talk