Multicast in Ruby: Building a Peer-to-Peer Chat System 11/01/12 — IP multicasting allows you to send a datagram to multiple nodes. In this post we'll look at multicasting and implement a simple chat system using the ruby socket library. Building Real-Time Web Applications with Server-Sent Events 10/29/12 — We're supposedly living in the bright, shiny future of the real-time web but often we're sti