Method for forming an address table in a ring-shaped communicati

Details Method for forming an address table in a ring-shaped communicati Method for forming an address table in a ring-shaped communicati

1988-05-05

1989-11-14

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

370 941, 370 14, 370 8515, H04J 326, H04J 116

Patent

active

048810746

ABSTRACT:
A packet sequence is formed in a subscriber station which monitors a token ring network including a number of subscriber stations, the packet sequence containing an address recognition bit at a binary "0" state, a broadcast sequence identifying the packet information as a broadcast packet sequence, and the information field thereof containing either an address signaling request or an address signaling request in the address of its own subscriber station. In the respective following subscriber stations, the received binary state of the address recognition bit is modified to a binary "1" and a further broadcast packet information sequence is formed such that the address recognition bit contains a binary "0" and the most-recently received address is entered into the information field with either the address of the preceding subscriber station or with its own address. The current, complete address table is present in the information field of that broadcast packet information sequence that is received with an unmodified address recognition bit in the subscriber station monitoring the network, either without or after addition of its own address, whereby the sequence of the address information indicates the position of the subscriber stations in the network.

REFERENCES:
patent: 3787627 (1974-01-01), Abramson et al.
patent: 4495493 (1985-01-01), Segarra et al.
patent: 4507777 (1985-03-01), Tucker et al.
patent: 4677615 (1987-06-01), Orimo et al.
patent: 4747100 (1988-05-01), Roach et al.
ANSI/IEEE Std 802.5--1985, "Token Ring Access Method and Physical Layer Specifications".
ANSI Std X3.139--1987, "Fiber-Distributed Data Interface (FDDI)--Token Ring Media Access Control (MAC)".

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