Hi,
Wrt having an indication that says "this is part of a snapshot", isn't this
covered by the Snapshot Id TLV?
Regards,Reshad.
On Thursday, November 6, 2025 at 01:58:50 PM EST, Jeffrey Haas
<[email protected]> wrote:
Authors,
It's good to see the ability to create snapshots, especially in combination
with the additional proposal on MRT recording, getting discussed for BMP.
A challenge that dealing with a snapshot request in the midst of receiving a
live BMP feed is distinguishing a topology change event from a route that is
simply being re-sent in order to provide the snapshot.
One possible way to address this ambiguity is to include a boolean TLV that
says "this is a snapshot". By direct analogy, if you were sending a route
solely because of a "route refresh" type snapshot behavior, this is distinct
from a topology change.
It's possible that many applications consuming BMP will not care about the
distinction. However, for route monitoring purposes for live Internet data,
I suspect this distinction might be useful.
When done for MRT files, the long practice of "here's the dump file" and
"here are the updates" should be preserved. In such a case, the regular
dump file is distinct by name, rather than contents.
-- Jeff
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