Patent ID: 9197428
Filing Date: 2015-11-24
Classification: G06Q,H04L

Abstract:
1. A method for use in an exchange system, the method comprising: receiving a first multicast message including a first multicast address as a destination address, said first multicast message further including a message identifier, determining if the message identifier matches an expected message identifier; when it is determined that the received message identifier does not match the expected message identifier transmitting a multicast gap fill request message requesting a message gap fill, said multicast gap fill request message including, as a destination address, a second multicast address corresponding to a first multicast group including a plurality of message logging devices; updating preferred lamina device information based on which lamina device is the quickest to respond to the clap fill request message; and using a response to a clap fill request message to identify a message logging device that was added to the exchange system.