A network interconnect device and message exchange protocol for forwarding data among packet forwarding devices are provided. According to one aspect of the present invention, data is forwarded between a first and second packet forwarding device coupled to an interconnect device. The interconnect device...http://www.google.com/patents/US6023471?utm_source=gb-gplus-sharePatent US6023471 - Network interconnect device and protocol for communicating data among packet forwarding devices
