Network location signature for disambiguating multicast messages in dual-IP stack and/or multi-homed network environments
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United States of America Patent
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Jun 27, 2006
Grant Date -
Jun 10, 2004
app pub date -
Dec 6, 2002
filing date -
Dec 6, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Dual stack and/or multi-homed devices networked in a device connectivity architecture include a network location signature field in multicast device or service advertisement or announcement messages for recipients to disambiguate announcements of different addresses for the device. The network location signature is a value representing the device's current network configuration (e.g., set of active addresses), and changes with the network configuration. A recipient control point in the device connectivity architecture can then determine whether announcements of different addresses for the device or service are in addition to a previous announced address, or supercedes any previous announced address.
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