Re: [Lsr] UPA and planned/unplanned signalling

2023-03-28 Thread Les Ginsberg (ginsberg)
Shraddha - Glad we have come to a common understanding. One point inline. > -Original Message- > From: Shraddha Hegde > Sent: Monday, March 27, 2023 10:47 PM > To: Les Ginsberg (ginsberg) ; lsr@ietf.org > Subject: RE: UPA and planned/unplanned signalling > > Les, > > Pls see inline..

Re: [Lsr] UPA and planned/unplanned signalling

2023-03-27 Thread Shraddha Hegde
Les, Pls see inline.. Juniper Business Use Only -Original Message- From: Les Ginsberg (ginsberg) Sent: Tuesday, March 28, 2023 11:02 AM To: Shraddha Hegde ; lsr@ietf.org Subject: RE: UPA and planned/unplanned signalling [External Email. Be cautious of content] Shraddha - Thanx

Re: [Lsr] UPA and planned/unplanned signalling

2023-03-27 Thread Les Ginsberg (ginsberg)
Shraddha - Thanx for the response. So the way you are proposing to use UPA on the receiving nodes is: 1)For unplanned loss of reachability trigger BGP-PIC for immediate response 2)For planned loss of reachability, don't trigger BGP-PIC - simply trigger a best path calculation considering the

Re: [Lsr] UPA and planned/unplanned signalling

2023-03-27 Thread Robert Raszuk
Hi Shraddha, So are you saying that ABR will inject UPA with U Flag when it notices unreachability and it will inject UP Flag when it notices Max Metric ? And the remote end point receiving UPA will still in both cases result in identical action ? Thx, R On Mon, Mar 27, 2023 at 9:25 PM

Re: [Lsr] UPA and planned/unplanned signalling

2023-03-27 Thread Shraddha Hegde
Hi Les, Pls see inline for replies. Juniper Business Use Only -Original Message- From: Les Ginsberg (ginsberg) Sent: Tuesday, March 28, 2023 9:10 AM To: Shraddha Hegde ; lsr@ietf.org Subject: UPA and planned/unplanned signalling [External Email. Be cautious of content] Shraddha -

[Lsr] UPA and planned/unplanned signalling

2023-03-27 Thread Les Ginsberg (ginsberg)
Shraddha - To follow up on our discussion over chat at the LSR meeting yesterday... At a remote ABR, if BGP had already been told about a planned node maintenance event (by means that is outside the scope of the UPA draft), then BGP would have moved traffic away from the node on which the