Multiplex communications – Communication over free space – Repeater
Reexamination Certificate
2008-07-01
2008-07-01
Orgad, Edan (Department: 2619)
Multiplex communications
Communication over free space
Repeater
C370S390000, C370S401000, C725S065000
Reexamination Certificate
active
07394779
ABSTRACT:
The present invention relates to a satellite IP multicasting system and method for constructing an IP multicast network by a unit of internet node having a router for subscriber connection or a switch, and for transmitting a multicasting packet transmitted from a content provider into a local IP multicast network via a satellite. The satellite IP multicasting system features a backbone network, a content provider, a satellite network and a local network. The local network, which is interworked with the backbone network, is configured to multicasting protocol at a router or a switch, performs reverse path forwarding by static multicasting routing setup on a router or a switch connected to the satellite network via Ethernet and on a subscriber router or by IP designation of the same sub-net with source address of IP header of the multicast packet to an output port of a satellite data receiver and a port of a router connected to the satellite data receiver, and transmits the multicast packet into a terminal client.
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RFC 2827, “Network Ingress Filtering: Defeating Denial of Attack which employ IP Source Address Spoofing”, 2000, pp. cover.
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Jang Jong Oun
Kim Cheol Woo
Ryoo Kyoo Tae
Seo Gwang Ju
Yoon Young Joong
KT Corporation
Merchant & Gould P.C.
Orgad Edan
Park Jung
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