[#BGPCEP-868] Add support for draft-ietf-idr-ext-opt-param

[BGPCEP-868] Add support for draft-ietf-idr-ext-opt-param Created: 12/Mar/19 Updated: 03/May/19 Resolved: 03/May/19
Status:	Resolved
Project:	bgpcep
Component/s:	BGP
Affects Version/s:	None
Fix Version/s:	Sodium

Type:

New Feature

Priority:

Medium

Reporter:

Robert Varga

Assignee:

Robert Varga

Resolution:

Done

Votes:

Labels:

None

Remaining Estimate:

Not Specified

Time Spent:

Not Specified

Original Estimate:

Not Specified

Description

As ~~BGPCEP-867~~ shows, we can easily exhaust Optional Parameters field size. There is an old draft, https://datatracker.ietf.org/doc/draft-ietf-idr-ext-opt-param/ , which proposes an extension to the size field, so that we can advertise longer parameters.

The draft seems to be deployed (https://mailarchive.ietf.org/arch/msg/idr/FvW4WnO8loRe6dQNq-pW-Tfjn3w ), so we do have a chance to interop with at least some implementations, even when ExaBGP does not support it.

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