ATM exchange for monitoring congestion and allocating and transm

Details ATM exchange for monitoring congestion and allocating and transm ATM exchange for monitoring congestion and allocating and transm

1997-10-08

1999-08-10

Olms, Douglas W.

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370389, 370437, H04J 324

Patent

active

059369582

ABSTRACT:
For both a bandwidth-guaranteed connection call and a non-bandwidth-guaranteed connection call together, with respect to the bandwidth-guaranteed connection call, a schedular allocates the number of time slots which correspond to a required bandwidth to the bandwidth-guaranteed connection call from among the N time slots that constitute one period and so controls as to transmit an ATM cell at an allocated time slot. The non-bandwidth-guaranteed call transmitting unit transmits an ATM cell of a non-bandwidth-guaranteed connection call at a time slot which is not allocated to any bandwidth-guaranteed connection call. A congestion
ormal state monitoring unit sets in advance a queue length which is regarded as the occurrence of a long-term congestion in a queuing buffer and compares the actual queue length with the preset queue length so as to detect the occurrence of a long-term congestion.

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