Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Security kernel or utility
Reexamination Certificate
2011-07-19
2011-07-19
Davis, Zachary A (Department: 2492)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Security kernel or utility
C713S152000, C726S002000, C726S014000, C380S239000, C709S227000, C709S238000, C709S239000
Reexamination Certificate
active
07984294
ABSTRACT:
A method and apparatus determine a trust level of a path through a plurality of routers by an endpoint by transmitting a path setup message requesting a path reservation for a first path through a subset of the routers, by receiving in response to transmission of the path setup message a trust level message containing trust level information inserted by each router in the first path through the subset, and by evaluating the inserted trust level information to determine if the first path has a sufficient trust level. Another method and apparatus gather trust level information from a router by receiving a trust level message into which a trust level of the router can be inserted, by inserting trust level information of the router into the trust level message, and by re-transmitting the trust level message on a designated path.
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Goringe Christopher Michael
Minhazuddin Muneyb
Scholte Alexander Martin
Schreuder James
Avaya Inc.
Davis Zachary A
Moran John C.
Pan Joseph
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