Fault tolerance associations for IP transport protocols

Details Fault tolerance associations for IP transport protocols Fault tolerance associations for IP transport protocols

2006-09-19

2006-09-19

Wiley, David (Department: 2143)

Electrical computers and digital processing systems: multicomput

Distributed data processing

C709S245000, C709S228000, C709S230000, C709S231000

Reexamination Certificate

active

07111035

ABSTRACT:
The present disclosure addresses a system and method for failure tolerant communications using a transmission control protocol, preferably SCTP. In a preferred embodiment, an association is created between two instances of SCTP, where each instance is an endpoint. While an SCTP association provides for multiple IP addresses providing for multiple paths between the instances, it expressly does not provide for failover of the node occupied by the instance itself. The preferred embodiment provides a duplicate instance of SCTP on a separate node in the cluster which provides a hot back-up to the primary instance. The duplicate instance is maintained by replicating the state information for the association to keep the duplicate instance relatively synchronized with the primary instance.

REFERENCES:
patent: 2002/0107966 (2002-08-01), Baudot et al.
patent: 2003/0012183 (2003-01-01), Butler et al.
patent: 2004/0107234 (2004-06-01), Rajahalme
R. Stewart et al.,Stream Control Transmission Protocol(SCTP), Stream Control Transmission Protocol home page (1 p.).
IPS7 EDGE, Stepping Over The Egde, IPS7.net (6 p.).
R. Stewart et al.,Stream Control Transmission Protocol, Network Working Group, Oct. 2000 (126 p.).

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