Methods and apparatus for allocating time slots and fragments on

Details Methods and apparatus for allocating time slots and fragments on Methods and apparatus for allocating time slots and fragments on

1987-10-01

1989-07-25

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04J 324

Patent

active

048520896

ABSTRACT:
A communications network comprising nodes interconnected by communication lines employs a method of allocating data rates to fragments of line bandwidth which facilitates efficient allocation of available line bandwidth. Each node maintains, for each communication line connected to it, a bit map means having a bit position associated with each fragment available in the line for keeping track of which fragments are available and which are in use. Identification of available bandwidth fragments in the line is then accomplished by finding appropriate bit values in the bit map means; fragments allocated are marked in the bit map means. A node thus need not allocate fragments contiguously, and available bandwidth is equally allocable by either of the two nodes interconnected by a particular line.

REFERENCES:
patent: 4718061 (1988-01-01), Turner
patent: 4747100 (1988-05-01), Roach et al.
patent: 4747101 (1988-05-01), Akaiwa et al.

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