Cisco Technology, Inc.

Chingsung Lin

Changhong Shen

Yubei Cao

Sandy X Chang

In one embodiment, a method includes receiving, by a network node, a packet associated with a session. The method also includes performing, by the network node, a sequence-based anti-replay check and determining, by the network node, that the sequence-based anti-replay check rejected the packet. The method further includes performing, by the network node, a time-based anti-replay check, performing, by the network node, a selective anti-replay check, and determining, by the network node, whether to dynamically adjust a time-based anti-replay window size.

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Fremont, CA, United States of America

Chingsung Lin