Nginx & Comet: Low Latency Server Push - igvita.comBy Ilya Grigorik on October 21, 2009 Server push is the most efficient and low latency way to exchange data. If both the publisher and the receiver are publicly visible then a protocol such as PubSubHubbub or a simpler Webhook will do the job. However, if the receiver is hidden behind a firewall, a NAT, or is a web-browser which is designed to generated outbound requests, not handle incoming traff
