IETF RFC 8518
Selection of Loop-Free Alternates for Multi-Homed Prefixes
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| Organization: | IETF |
| Publication Date: | 1 March 2019 |
| Status: | active |
| Page Count: | 20 |
scope:
Deployment experience gained from implementing algorithms to determine Loop-Free Alternates (LFAs) for multi-homed prefixes (MHPs) has revealed some avenues for potential improvement. This document provides explicit inequalities that can be used to evaluate neighbors as potential alternates for MHPs. It also provides detailed criteria for evaluating potential alternates for external prefixes advertised by OSPF ASBRs. This document updates Section 6 of RFC 5286 by expanding some of the routing aspects.
Document History
IETF RFC 8518
March 1, 2019
Selection of Loop-Free Alternates for Multi-Homed Prefixes
Deployment experience gained from implementing algorithms to determine Loop-Free Alternates (LFAs) for multi-homed prefixes (MHPs) has revealed some avenues for potential improvement. This document...