Plurk: Instant conversations using Comet - amix.dk

The web is becoming more and more realtime and we at Plurk are following the trend. Yesterday we released instant notifications so users can have conversations with sub-second delays - - it's like group based instant messaging. Implementing this has not been easy given the complexities and size of Plurk, some problems include: huge amount of active users - hundred thousands of online users at once

[perezvon]

We have rewritten to node.js from Java+JBoss Netty, because the old solution had scalability problems.

[teppeis]

node.js