The Scalable Address Resolution Protocol (SARP) for Large Data Centers, June 2015
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This document introduces the Scalable Address Resolution Protocol (SARP), an architecture that uses proxy gateways to scale large data center networks. SARP is based on fast proxies that significantly reduce switches' Filtering Database (FDB) table sizes and reduce impact of ARP and Neighbor Discovery (ND) on network elements in an environment where hosts within one subnet (or VLAN) can spread over various locations. SARP is targeted for massive data centers with a significant number of Virtual Machines (VMs) that can move across various physical locations.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.