A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Link State Routing WG of the IETF.
Title : IS-IS Optimal Distributed Flooding for Dense
Topologies
Authors : Russ White
Shraddha Hegde
Tony Przygienda
Filename : draft-ietf-lsr-distoptflood-00.txt
Pages : 12
Date : 2023-01-06
Abstract:
In dense topologies (such as data center fabrics based on the Clos
and butterfly topologies, though not limited to these), IGP flooding
mechanisms designed for sparse topologies can "overflood," or carry
too many copies of topology and reachability information to fabric
devices. This results in slower convergence times and higher
resource utilization. The modifications to the flooding mechanism in
the Intermediate System to Intermediate System (IS-IS) link state
protocol described in this document reduce resource utilization
significantly, while increasing convergence performance in dense
topologies.
Note that a Clos fabric is used as the primary example of a dense
flooding topology throughout this document. However, the flooding
optimizations described in this document apply to any topology.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-lsr-distoptflood/
There is also an htmlized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-lsr-distoptflood-00
Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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