From 7e172c8236ec357acfc03cfae5ef36967479dce1 Mon Sep 17 00:00:00 2001 From: Randy Bush Date: Thu, 3 Mar 2022 14:19:28 -0800 Subject: [PATCH] -01 with lowest ip server, and some bumph --- draft-ymbk-idr-l3nd.xml | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/draft-ymbk-idr-l3nd.xml b/draft-ymbk-idr-l3nd.xml index c98b5a5..625845c 100644 --- a/draft-ymbk-idr-l3nd.xml +++ b/draft-ymbk-idr-l3nd.xml @@ -11,7 +11,7 @@ - + @@ -115,22 +115,35 @@ provides a similar solution at Layer-3, attempting to be as similar as reasonable to L3DL. + Some guiding principles when dealing with datacenters with tens + of thousands of devices are + + Predictable Reliability, + Security: Authorization and Integrity more than + Confidentiality, and + Massive Scalability + + + Layer-3 Neighbor Discovery (L3ND) provides brutally simple mechanisms for neighboring devices to + Discover each other's IP Addresses, Discover mutually supported layer-3 encapsulations, e.g. IP/MPLS, Discover Layer-3 IP and/or MPLS addressing of interfaces of the encapsulations, - Provide for authenticity and verification of protocol - messages. + Provide authenticity, integrity, and verification of protocol + messages, and + Accommodate scaling needed for EVPN etc. + L3DN is intended for use within single IP subnets (IP over Ethernet or other point-to-point or multi-point IP link) in order to exchange the data needed to bootstrap BGP-based peering, EVPN, etc.; - often in a datacenter Clos environment. Once - IP connectivity has been leveraged to discover1 layer-3 + especially in a datacenter Clos environment. + Once IP connectivity has been leveraged to discover1 layer-3 addressability and forwarding capabilities, normal IP forwarding and routing can take over.