Problem: on the web, enable a large number of message producers send a very large number of messages to a much larger number of message consumers. Example: allow 100,000 publishers send a total of 1 million messages per second to 100 million concurrently connected consumers.

We are dealing with the problem of connection channels, an abstraction that allows a producer distribute the message to many connected consumers. Our challenge is to design a distributed channel delivery mechanism that can scale out to millions of connected consumers.…