ATM plane merging filter for ATM switches and the method thereof

Details ATM plane merging filter for ATM switches and the method thereof ATM plane merging filter for ATM switches and the method thereof

1992-01-23

1993-12-21

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 941, H04Q 1104

Patent

active

052726967

ABSTRACT:
Many telecommunication switches operate in dual plane mode for better reliability and maintainability. For ATM switches, it has been difficult to merge cells emerging from two identical planes because of the non-synchronous nature of transmission. An ATM plane merging filter is disclosed. The filter contains memory to store the first of a pair of identical cells under control of filter control means. The filter control means monitors the headers of the cells and sends an enabling signal to the memory for cell storage when no identical cell is in storage.

REFERENCES:
patent: 4858224 (1989-08-01), Nakano et al.
patent: 5072440 (1991-12-01), Isono et al.
patent: 5138612 (1992-08-01), Keller et al.
Fisher, D. G. et al., "A Flexible Network Architecture for the Introduction of ATM", May 1990, International Switching Symposium 1990 vol. 2, pp. 35-44.
"The DMS-100 Distributed Control System", Bourne et al., Telesis, No. 4, 1980, pp. 6-12.

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