Communication control method and system

Details Communication control method and system Communication control method and system

2004-08-10

2010-10-19

Moe, Aung S (Department: 2474)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S231000, C370S338000, C709S235000, C455S024000, C455S069000

Reexamination Certificate

active

07817552

ABSTRACT:
A relay device40, when it relays data blocks transmitted in succession from a transmitter device20to a receiver device10, is caused to identify a state code showing a state of a communication resource used when the data blocks are transferred. Relay device40divides the identified state code into portions of a predetermined data size and writes the divided portions into a predetermined area of the data blocks. Receiver device10transmits to transmitter device20an acknowledgement containing the same data as is written in a predetermined area of the received data block. Transmitter device20, upon receipt of the acknowledgement, reads the state code that is divided and written in the acknowledgement and increases or reduces the number of data blocks on the basis of the state code.

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