METHODS AND APPARATUS FOR MANAGING MULTICAST TRAFFIC THROUGH A SWITCH
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Abstract
A method for managing multicast traffic through a switch operating in the layer 2 of the OSI model, and routers and switches involved in the method. In one implementation a router sends to a switch a message containing identification of specific equipment which has requested specific multicast traffic, and also containing a specification of the specific traffic, and when the switch receives data carrying multicast traffic, based on the destination and origin addresses of the data, and based on the identification of the specific equipment and of the specification of the specific multicast traffic that it has received in the message, the switch deduces if the data carry the specific traffic that has been requested by the specific equipment, and decides through which of its ports it transmits the data.
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Citations
36 Claims
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1-16. -16. (canceled)
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17. A method for managing multicast traffic through a switch operating in the layer 2 of the OSI (Open Systems Interconnection) model, characterized in that a router that has received from specific equipment, which can be a host or another router, a request for a specific multicast traffic, sends to a switch, connected to the network interface of said router through which said router has received said request, a message containing an identification of said specific equipment and a specification of said specific multicast traffic;
- and in that when said switch receives through one of its ports data carrying multicast traffic, said switch, based on the destination and origin addresses of said data carrying multicast traffic, and based on said identification of the specific equipment and on said specification of the specific multicast traffic which said router has sent to said switch by means of said message, deduces if said data carries said specific traffic which has been requested by said specific equipment, and said switch decides through which of its ports it transmits said data.
- View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
Specification