Multichannel bandwidth allocation

Details Multichannel bandwidth allocation Multichannel bandwidth allocation

1988-03-30

1989-09-26

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 941, H04J 317, H04J 326

Patent

active

048706418

ABSTRACT:
A method and apparatus for allocating bandwidth in a broadband packet switching network are disclosed. The invention utilizes channel groups (112) which may be defined as a set of parallel packet channels that act as a single data link connection between packet switches (110). In accordance with the invention, bandwidth is allocated in two steps. At virtual circuit setup time, bandwidth is reserved in particular channel groups. At transmission time packets are assigned to individual channels within the groups, illustratively, using a coordination mechanism in communication with the input ports of the appropriate packet switch. The bandwidth allocation technique, known as multichannel bandwidth allocation, leads to increased throughput and reduced packet loss probabilities.

REFERENCES:
patent: 4630260 (1986-12-01), Toy et al.
patent: 4696000 (1987-09-01), Payne, III
patent: 4734907 (1988-03-01), Turner
patent: 4761781 (1988-08-01), Calvignac et al.
patent: 4769810 (1988-09-01), Eckberg, Jr. et al.

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