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US 6,721,318 B1Granted
Extending router functionality to report static group membership
AssigneeNortel Networks Limited
InventorsXiangrong Cai, Shuching Shieh
Life of this patent
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Abstract
A router is configured with a static membership to a multicast group address and is capable of transmitting a message reporting the static membership to another router.
Claims29
An apparatus, comprising:
- a router, which is configured with a static membership to a multicast group address, for transmitting a message reporting the static membership to another router, the message comprising an unsolicited IGMP protocol message that is transmitted when the router is booted.
A method of propagating memberships to multicast group addresses, comprising:
- transmitting a message reporting one or more static memberships to multicast group addresses from a multicast router configured with the one or more static memberships to a second multicast router, the message comprising an unsolicited IGMP message that is transmitted when the multicast router is booted.
Dependencies are inferred from the claim text.