Re: Destination-IP-Origin-AS Filter for BGP Flow Specification
Jeffrey Haas <[email protected]> Mon, 11 Nov 2019 03:24:03 -0500
| Newsgroups | gmane.ietf.idr |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Nov 11, 2019 at 07:21:17AM +0000, Wanghaibo (Rainsword) wrote: > Hi Jeffrey, > > Thanks for your suggestion. > > Flowspec is intended to match only the message fields. > Our solution here is an enhancement to Flowspec, which can effectively reduce the space of the flowspec. > > The rules here are also used in conjunction with the existing Flowspec rules, so using the new SAFI to describe it is not appropriate. > We can increase OPEN capability negotiation to enable when this feature is supported. BGP NLRI are transitive across a network. If you want a feature that varies on NLRI parsing or processing behavior, it needs to be uniformly supported across all BGP speakers that receive it. This cannot be a capability. That behavior is covered by afi/safis. -- Jeff _______________________________________________ Idr mailing list [email protected] https://www.ietf.org/mailman/listinfo/idr