THROTTLING OF PREDICTIVE ACKS IN AN ACCELERATED NETWORK COMMUNICATION SYSTEM
First Claim
1. A method of limiting potential data loss when pre-acknowledging requests, the method comprising:
- receiving a message as part of a transaction at a recipient-side transaction accelerator, the message being a message for which a sender expects an acknowledgement and for which a sender-side transaction accelerator sent a recipient acknowledgement of the transaction in advance of the recipient acknowledging the transaction;
computing a logical length for a request queue at the recipient-side transaction accelerator, the request queue for holding contents of messages not yet sent to the recipient; and
adjusting the flow of pre-acknowledged requests or pre-acknowledgements at the sender-side transaction accelerator based at least on the computed logical length.
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Accused Products
Abstract
In a system where transactions are accelerated with asynchronous writes that require acknowledgements, with pre-acknowledging writes at a source of the writes, a destination-side transaction accelerator includes a queue for queue writes to a destination, at least some of the writes being pre-acknowledged by a source-side transaction accelerator prior to the write completing at the destination, a memory for storing a status of a destination-side queue and possibly other determinants, and logic for signaling to the source-side transaction accelerator with instructions to alter pre-acknowledgement rules to hold off on and pursue pre-acknowledgements based on the destination-side queue status. The rules can take into account adjusting the flow of pre-acknowledged requests or pre-acknowledgements at the sender-side transaction accelerator based at least on the computed logical length.
129 Citations
14 Claims
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1. A method of limiting potential data loss when pre-acknowledging requests, the method comprising:
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receiving a message as part of a transaction at a recipient-side transaction accelerator, the message being a message for which a sender expects an acknowledgement and for which a sender-side transaction accelerator sent a recipient acknowledgement of the transaction in advance of the recipient acknowledging the transaction;
computing a logical length for a request queue at the recipient-side transaction accelerator, the request queue for holding contents of messages not yet sent to the recipient; and
adjusting the flow of pre-acknowledged requests or pre-acknowledgements at the sender-side transaction accelerator based at least on the computed logical length. - View Dependent Claims (2, 3)
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4. In a system where transactions are accelerated with asynchronous writes that require acknowledgements, with pre-acknowledging writes at a source of the writes, a destination-side transaction accelerator comprising:
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a queue for queue writes to a destination;
memory for storing a status of a destination-side queue; and
logic for signaling to a source-side transaction accelerator with instructions to alter pre-acknowledgement rules to hold off on and pursue pre-acknowledgements based on the destination-side queue status. - View Dependent Claims (5, 6, 7, 8, 9)
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10. In a system where transactions are accelerated with asynchronous writes that require acknowledgements, with pre-acknowledging writes at a source of the writes, a method comprising:
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queuing pre-acknowledged write requests at a destination-side transaction accelerator;
determining a status of a destination-side queue; and
signaling to a source-side transaction accelerator with instructions to alter pre-acknowledgement rules to hold off on and pursue pre-acknowledgements based on the destination-side queue status. - View Dependent Claims (11, 12, 13, 14)
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Specification