FAST FAIL-OVER USING TUNNELS
First Claim
Patent Images
1. A method comprising:
- receiving a first packet at a first node, whereinthe receiving is performed in response to a designated forwarder (DF) node detecting a loss of communication to a receiver node;
determining that the first packet was received via a tunnel;
forwarding the first packet; and
initiating a designated forwarder DF election, whereinthe forwarding and the initiating are performed in response to the determining.
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Abstract
Various systems and methods for performing fast fail-over. For example, one method involves receiving a packet at a node. The packet is received at the node in response to a designated forwarder (DF) detecting loss of communication between the DF and a receiver node. The method also involves determining that the first packet was received via a tunnel. The method also involves forwarding the first packet and initiating a DF election. Forwarding the first packet and initiating the DF election are performed in response to determining that the first packet was received via the tunnel.
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Citations
20 Claims
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1. A method comprising:
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receiving a first packet at a first node, wherein the receiving is performed in response to a designated forwarder (DF) node detecting a loss of communication to a receiver node; determining that the first packet was received via a tunnel; forwarding the first packet; and initiating a designated forwarder DF election, wherein the forwarding and the initiating are performed in response to the determining. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system comprising:
a first node configured to receive a first packet in response to a designated forwarder (DF) node detecting a loss of communication to a receiver node, determine that the first packet was received via a tunnel, forward the first packet, and initiate a DF election, wherein forwarding the first packet and initiating the DF election are performed in response to determining that the first packet was received via a tunnel. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A non-transitory computer readable storage medium comprising program instructions executable to:
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receive a first packet in response to a designated forwarder (DF) node detecting a loss of communication to a receiver node, determine that the first packet was received via a tunnel, forward the first packet, and initiate a DF election, wherein forwarding the first packet and initiating the DF election are performed in response to determining that the first packet was received via a tunnel. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification