Controlled multicast

Details Controlled multicast Controlled multicast

1999-09-09

2011-10-11

Meky, Moustafa M (Department: 2457)

Electrical computers and digital processing systems: multicomput

Computer conferencing

Cooperative computer processing

C709S245000, C370S432000

Reexamination Certificate

active

08037134

ABSTRACT:
According to the present invention a method and an apparatus in a packet-switched network for supplying data packets to receivers (4a-c) belonging to a multicast group are disclosed. The apparatus comprises a routing means (2) for receiving data packets from a sender (1) and for buffering data packets the destination address of which is a multicast address of a multicast group. The apparatus further comprises a control means (3) communicating with the routing means (2) for determining the addresses of the receivers (4a-c) of the multicast group indicated by the multicast address and receiver-specific parameters, for designating filters for each receiver (4a-c) and/or each determined receiver address in accordance with the receiver-specific parameters and for supplying the determined addresses and designated filters to the routing means (2). The routing means (2) filters the multicast data packets and/or the determined addresses with the designated filters for each receiver (4a-c) of the multicast group and supplies the filtered multicast dam packets to the filtered receiver addresses.

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