Multiplex communications – Wide area network – Packet switching
Patent
1993-03-16
1996-12-10
Bowler, Alyssa H.
Multiplex communications
Wide area network
Packet switching
39520016, 370258, 370404, 340827, G06F 1300
Patent
active
055839967
ABSTRACT:
A system and method are disclosed for transmitting a packet from a source node S in a first stub 300 to a destination node D in a second stub 306 of an internet communications network 200. The first stub 300 is connected with a public data network (PDN) 210 by a first access point node Ra and the second stub 306 is connected with the PDN 210 by a second access point node Rd. The first access point node Ra, writes its PDN subnetwork address in the packet. The first access point node Ra then transmits the packet via a sequence of one or more intermediary access point nodes Rb, Rc on a base path until the packet reaches the second access point node Rd. The second access point node Rd receives the packet via the base path. The second access point node Rd stores the PDN subnetwork address of the first access point node Ra (contained in the packet) in an entry 131 of shortcut table 130 maintained at the second access point node Rd. Thereafter, the second access point node Rd can transmit a second packet back to the first access point node Ra by transmitting the packet to the first access point node Ra using the PDN subnetwork address of the first access point node Ra stored in the shortcut table entry 131.
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Bell Communications Research Inc.
Bowler Alyssa H.
Davis Walter D.
Falk James W.
Giordano Joseph
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