Patent ID: 7116634
Filing Date: 2006-10-03
Classification: H04L

Abstract:
1. A method for forwarding data within a redundant system having an active network device and a standby network device, the method comprising: sending a first packet that forms part of a data connection, the first packet having a first send sequence number and the first packet being sent from the active network device to a receiver, wherein the data connection is a type of connection that tracks the sequence of data sent between the active network device and the receiver; receiving a second packet having an associated first receive sequence number, and the second packet being received into the active network device from the receiver; sending a third packet that forms part of the data connection from the active network device to the receiver, wherein the third packet has a second send sequence number; and communicating the first send sequence number and the first receive sequence number to the standby network device without communicating the second send sequence number to the standby network device.