Re: [Lsr] Signalling ERLD (ISIS, OSPF and BGP-LS)

2018-06-13 Thread stephane.litkowski
tion. " Brgds, -Original Message- From: Lsr [mailto:lsr-boun...@ietf.org] On Behalf Of Van De Velde, Gunter (Nokia - BE/Antwerp) Sent: Wednesday, June 13, 2018 11:10 To: Ketan Talaulikar (ketant); i...@ietf.org; lsr@ietf.org; spr...@ietf.org Subject: Re: [Lsr] Signalling ERLD (I

Re: [Lsr] Signalling ERLD (ISIS, OSPF and BGP-LS)

2018-06-13 Thread Les Ginsberg (ginsberg)
authors to work out.) Les > -Original Message- > From: Lsr On Behalf Of Van De Velde, Gunter (Nokia > - BE/Antwerp) > Sent: Wednesday, June 13, 2018 2:10 AM > To: Ketan Talaulikar (ketant) ; i...@ietf.org; lsr@ietf.org; > spr...@ietf.org > Subject: Re: [Lsr] Signal

Re: [Lsr] Signalling ERLD (ISIS, OSPF and BGP-LS)

2018-06-13 Thread Ketan Talaulikar (ketant)
Hi Gunter, In that case, I concur with you that option (2) is better than the others. My only difference in opinion is that ERLD not have its own separate TLV but instead get advertised as a new MSD sub-type - it is just a different encoding. Thanks, Ketan -Original Message- From: Van

Re: [Lsr] Signalling ERLD (ISIS, OSPF and BGP-LS)

2018-06-13 Thread Van De Velde, Gunter (Nokia - BE/Antwerp)
Indeed, the debate that made BGP-LS to go down the ERLD path is of pragmatic motivation. The major Readable Label Depth use-case is entropy. Hence, if the ERLD TLV is available, then ELC can be implicitly assumed. No pragmatic reason to signal separately, as it just make things more complex