Techniques presented herein provide for a Control Agent that monitors flow distribution and Smart Network Interface Card (sNIC) capability and utilizes a simple Internet Control Message Protocol (ICMP) extension to instruct upstream node(s) to redirect traffic over other sNIC connected link(s). The techniques may be utilized for both Layer 2 (L2) and Layer 3 (L3) links and may provide a novel mechanism to leverage an sNIC for flow-based/intent-based/capability-aware load balancing and/or policy-balancing.
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Pignataro, Carlos M. and Nainar, Nagendra Kumar, "INTENT-AWARE FLOW REDIRECT USING SINGLE-HOP INTERNET CONTROL MESSAGE PROTOCOL (ICMP) EXTENSION", Technical Disclosure Commons, (January 14, 2020)