Loop transmission system with improved bypass routing arrangemen

Details Loop transmission system with improved bypass routing arrangemen Loop transmission system with improved bypass routing arrangemen

1981-07-09

1983-04-12

Robinson, Thomas A.

Multiplex communications

Wide area network

Packet switching

370 88, H04Q 900, H04J 314

Patent

active

043800610

ABSTRACT:
A double loop transmission system is provided in which not only bypass routes but also terminals are connected with a pair of transmission control units of each loop. In this manner, the transfer of a message is controlled by both the information concerning whether the smaller loop formed by a pair of the adjacent transmission control units is abnormal or not and the bypass code data contained in the message. The transmission can thus be continued no matter which loop has its transmission control units disordered. And the transmission between the terminals can be performed by the construction and reconstruction of the bypass routes when a loop which has been disordered is restored.

REFERENCES:
patent: Re28958 (1976-09-01), Zafiropulo et al.
patent: 3519750 (1970-07-01), Beresin et al.
patent: 4190821 (1980-02-01), Woodward

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