Flow scheduling for network application apparatus
First Claim
1. A method for scheduling data flows among processors, comprising,receiving a request for processing a data flow,receiving a data flow from a network, the data flow comprising a stream of data packets that contain data, the data including subscriber profile information,identifying a processor group to process the request by applying a policy to the data, the processor group including at least one processor,computing a flow schedule for the identified processor group,consulting the flow schedule associated with the identified processor group, and,transferring the request for processing the data flow to the at least one processor in the identified processor group based on the flow schedule, the subscriber profile information, and the policy.
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Abstract
A method and system for distributing flows between a multiple processors. The flows can be received from an external source such as a network, by a front-end processor that recognizes the flow and the associated request, and identifies at least one internal applications processor to process the request/flow. The front-end processor utilizes a flow scheduling vector related to the identified applications processor(s), and the flow scheduling vector can be based on intrinsic data from the applications processor(s) that can include CPU utilization, memory utilization, packet loss, and queue length or buffer occupation. In some embodiments, applications processors can be understood to belong to a group, wherein applications processors within a group can be configured identically. A flow schedule vector can be computed for the different applications processor groups. In some embodiments, a control processor can collect the intrinsic applications processor data, compute the flow scheduling vectors, and transfer the flow scheduling vectors to the front-end processor.
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Citations
14 Claims
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1. A method for scheduling data flows among processors, comprising,
receiving a request for processing a data flow, receiving a data flow from a network, the data flow comprising a stream of data packets that contain data, the data including subscriber profile information, identifying a processor group to process the request by applying a policy to the data, the processor group including at least one processor, computing a flow schedule for the identified processor group, consulting the flow schedule associated with the identified processor group, and, transferring the request for processing the data flow to the at least one processor in the identified processor group based on the flow schedule, the subscriber profile information, and the policy.
Specification