Method and system of multicast routing for groups with a single transmitter
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United States of America Patent
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May 14, 1996
Grant Date -
N/A
app pub date -
Sep 30, 1994
filing date -
Sep 30, 1994
priority date (Note) -
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Abstract
A method of implementing a multicast routing protocol in routers is provided to manage the assignment of multicast transport addresses and to forward data from a single transmitting endpoint to multiple receiving endpoints. This method in conjunction with a method for implementing the multicast routing protocol as a transport protocol layer service for endpoints provides an internet wide multicast transport service. The multicast transport service provides the capability of transmitting data from a single source to multiple receivers on interconnected networks efficiently and without having to send duplicate copies of the data on any single network. Routers and endpoints transmit and receive multicast packets in a manner which is independent of the network layer datagram protocols used by the multicast transport service. Multicast control packets are exchanged using a multicast transaction protocol which allows routers and endpoints to execute transactions in a manner that does not require either routers to know the state of specific endpoints or endpoints to know the state of specific routers.
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