Flow control for interfaces providing retransmission

Details Flow control for interfaces providing retransmission Flow control for interfaces providing retransmission

2007-01-16

2007-01-16

Park, Ilwoo (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Flow controlling

C710S105000, C709S232000, C709S234000, C709S235000, C370S229000, C714S748000

Reexamination Certificate

active

10686685

ABSTRACT:
A method and apparatus is described, by means of which a host data communication device obtains the effects of a desired data communication protocol, such as flow control, that may not be supported by a client device. To obtain the effects of the desired protocol, the host invokes a different protocol supported by the client, for example retransmission, by presenting an appropriate protocol-initiation signal, for example by asserting an error bit on a bidirectional connection to the client. Invoking the supported protocol repetitively, if necessary, the host interprets the client response to the invocation to achieve substantially the same effect as the desired protocol. Thus, a repetitive retransmission request by the host may have the effect of a flow hold request.

REFERENCES:
patent: 6018787 (2000-01-01), Ip
patent: 6023684 (2000-02-01), Pearson
patent: 2004/0215471 (2004-10-01), Tamagno et al.

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