Patent ID: 7898943
Filing Date: 2011-03-01
Classification: H04L

Abstract:
1. A method comprising: receiving a data packet comprising a data packet identifier; identifying a destination port corresponding to the data packet identifier from a first routing table, wherein there is a first association between the data packet identifier and the destination port in the first routing table; and transmitting the data packet via a transmitting port corresponding to the destination port based on a second association between the destination port and the transmitting port in a second routing table, wherein the transmitting port is used to transmit other data packets regardless of whether a failure is associated with the destination port, wherein each destination port appears only once in the second routing table, and wherein the order of the second association is set according to the sequence of the port numbers of the destination port, and wherein at least one of the transmitting ports in the second routing table is associated with a plurality of the destination ports when the failure is associated with one of the plurality of the destination ports.