发明名称 HIGH AVAILABILITY PACKET FORWARDING APPARATUS AND METHOD
摘要 <p>A high availability packet forwarding router (102) for an internet protocol (IP) network, includes two control processors (104,106), one or more service termination cards (STCs)(112) with forwarding information bases (FIBs)(108,110), and a packet forwarding engine (214). The two processors run asynchronously in a master/standby relationship. Integrity of processes running on the control processors is monitored and the forwarding engine forwards packets according to a FIB maintained by an in-service one of the control processors. Hitless failover and hitless software upgrades are supported.</p>
申请公布号 WO2002078250(A2) 申请公布日期 2002.10.03
申请号 CA2002000424 申请日期 2002.03.27
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