Method for load balancing in a network switch
First Claim
1. A method for load balancing in a link aggregation environment comprising the steps of:
- determining if a packet flow in a network switch exceeds a predetermined threshold;
determining if said packet flow is a candidate for link switching from a first link to a second link if said packet flow exceeds said predetermined threshold; and
switching said packet flow from said first link to said second link if said packet flow is determined to be a candidate for link switching;
wherein said step of determining if said packet flow is a candidate for link switching further comprises the steps of;
determining if a first packet in said packet flow is larger than a second packet in said packet flow; and
determining if a transmitting queue depth is sufficient to receive said second packet in the packet flow.
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Accused Products
Abstract
A method for load balancing in a link aggregation environment, wherein the method includes the steps of determining if a packet flow in a network switch exceeds a predetermined threshold. Then the method includes the step of determining if the packet flow is a candidate for link switching from a first link to a second link if the packet flow exceeds the predetermined threshold. Additionally, the method includes switching the packet flow from the first link to the second link if the packet flow is determined to be a candidate for link switching. Additionally, a method for load balancing in a link aggregation environment including the steps of determining a length of a first frame and a length of a second frame entering the link aggregation environment. Thereafter, determining a flow rate of the first frame and the second frame entering the link aggregation environment. Then a step of determining if the flow rate exceeds a predetermined flow rate threshold is undertaken, and thereafter, a step of determining if the first frame and the second frame are candidates for link switching is completed. As a final step, the method switches a transmission link for the second frame from a first transmission link to a second transmission link.
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Citations
9 Claims
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1. A method for load balancing in a link aggregation environment comprising the steps of:
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determining if a packet flow in a network switch exceeds a predetermined threshold; determining if said packet flow is a candidate for link switching from a first link to a second link if said packet flow exceeds said predetermined threshold; and switching said packet flow from said first link to said second link if said packet flow is determined to be a candidate for link switching; wherein said step of determining if said packet flow is a candidate for link switching further comprises the steps of; determining if a first packet in said packet flow is larger than a second packet in said packet flow; and determining if a transmitting queue depth is sufficient to receive said second packet in the packet flow. - View Dependent Claims (2, 3)
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4. A method for load balancing in a link aggregation environment, with multiple ports of a network switch being trunked together to form a single logical link, comprising the steps of:
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determining a length of a first frame and a length of a second frame entering the link aggregation environment; determining a flow rate of said first frame and a flow rate of said second frame entering the link aggregation environment; determining if said flow rates exceed a predetermined flow rate threshold; determining if said first frame and said second frame are candidates for link switching; and switching a transmission link for at least a portion of a packet flow for the flow rate for said second frame from a first transmission port to a second transmission port, of said multiple ports. - View Dependent Claims (5)
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6. A method for load balancing in a link aggregation environment comprising the steps of:
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determining a length of a first frame and a length of a second frame entering the link aggregation environment; determining a flow rate of said first frame and said second frame entering the link aggregation environment; determining if said flow rate exceeds a predetermined flow rate threshold; determining if said first frame and said second frame are candidates for link switching; and switching a transmission link for said second frame from a first transmission link to a second transmission link; wherein said step of determining if said first frame and said second frame are candidates for link switching further comprises the steps of; determining if a link switching value has exceeded a predetermined link switching threshold; determining if said first frame entering the environment is larger than said second frame entering the environment; and determining if a transmitting queue depth of said second transmission link is sufficient to receive said second frame switched to said second link.
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7. A method for switching a packet flow from a first link to a second link network switch comprising the steps of:
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determining if the packet flow is a candidate for link switching; and switching the packet flow from the first link to the second link; wherein said determining step further comprises the steps of; determining if a switching frequency is below a predetermined threshold; determining if a first frame in the packet flow is larger than a second frame in the packet flow; and determining if a transmitting queue depth of the second link is sufficient to receive said second frame. - View Dependent Claims (8, 9)
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Specification