Method and apparatus to provide pended transaction on a non-pend

Details Method and apparatus to provide pended transaction on a non-pend Method and apparatus to provide pended transaction on a non-pend

1994-07-01

1997-01-14

Auve, Glenn A.

395309, 395856, G06F 1314, G06F 1342

Patent

active

055948758

ABSTRACT:
A data processing system includes a plurality of nodes connected to a shared data path, one of said plurality of nodes being a commander node to initiate a transaction on said shared data path, and one of said plurality of nodes being a responder node. The system also includes means for providing, by said responder node, a response to said commander node indicating unavailability of said responder node and for providing an acknowledgement of said transaction over said shared data path; and means, directly responsive to said response indicating that said responder node is unavailable to respond to said transaction, for retrying said transaction. In this manner, a retry mechanism can be implemented on a bus which does not directly support a retry signal.

REFERENCES:
patent: 4706190 (1987-11-01), Bomba et al.
patent: 4949239 (1990-08-01), Gillett, Jr. et al.
patent: 5150467 (1992-09-01), Hayes et al.

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