Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-link-overload-01
"Acee Lindem (acee)" <acee@cisco.com> Mon, 05 October 2015 13:48 UTC
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From: "Acee Lindem (acee)" <acee@cisco.com>
To: "Anil Kumar S N (VRP Network BL)" <anil.sn@huawei.com>, Pushpasis Sarkar <psarkar@juniper.net>, "Les Ginsberg (ginsberg)" <ginsberg@cisco.com>, Shraddha Hegde <shraddha@juniper.net>
Thread-Topic: OSPF Link Overload - draft-hegde-ospf-link-overload-01
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Date: Mon, 05 Oct 2015 13:48:11 +0000
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Cc: Hannes Gredler <hannes@gredler.at>, OSPF WG List <ospf@ietf.org>, Mohan Nanduri <mnanduri@microsoft.com>, "Jalil, Luay" <luay.jalil@verizon.com>
Subject: Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-link-overload-01
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Anil, On 9/30/15, 1:25 AM, "Anil Kumar S N (VRP Network BL)" <anil.sn@huawei.com> wrote: >Hi All, > >In support of the draft : draft-hegde-ospf-link-overload-01 >Draft makes sense in below scenario I suppose, I could be wrong. > >Case where Router detectes some fault in link, would like to advertize >link as unusable for a while. > >If any router using TI-LFA for FRR might be using this link for stiching >P & Q-nodes. >Link Overload sub TLV might help LFA clacualting node to use some other >link for that period of time. It is already advertised at max-metric, for LFA/RLFA my implementation (Ericsson) avoided using max-metric links… Acee > >Possibly router under maintainence could be refresh router LSA with out >this link, Backward link check fails >and link under maintaince will not be used. I think this would be treated >as topology change which is not the case. > >I feel Overloading Node and Link are done for short period of time and >might come handy while debugging/isolating network issues. > >Thanks & Regards >Anil S N > >"Be liberal in what you accept, and conservative in what you send" - Jon >Postel > > > >> -----Original Message----- >> From: OSPF [mailto:ospf-bounces@ietf.org] On Behalf Of Pushpasis Sarkar >> Sent: 30 September 2015 10:28 >> To: Les Ginsberg (ginsberg); Shraddha Hegde; Acee Lindem (acee) >> Cc: Hannes Gredler; OSPF WG List; Mohan Nanduri; Jalil, Luay >> Subject: Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-link- >> overload-01 >> >> Hi Les, >> >> >> >> >> On 9/30/15, 9:45 AM, "Les Ginsberg (ginsberg)" <ginsberg@cisco.com> >> wrote: >> >> >><Shraddha>As I indicated before, max-metric can work in most common >> >>scenarios but not all. There could be cases where an alternate path >> >>cannot be found Satisfying the constraints so LSP remains on the link >> >>undergoing maintenance since the link is still a last resort link. >> > >> >[Les:] Which seems to me to be exactly the definition of link of last >> resort i.e. in the absence of any other alternative use the link >> undergoing maintenance. >> >?? >> [Pushpasis] What if the operator does not want any traffic on those >> links at all? Should not there be a way to ensure that as well? >> >> > >> _______________________________________________ >> OSPF mailing list >> OSPF@ietf.org >> https://www.ietf.org/mailman/listinfo/ospf
- [OSPF] OSPF Link Overload - draft-hegde-ospf-link… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Pushpasis Sarkar
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Shraddha Hegde
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Les Ginsberg (ginsberg)
- [OSPF] FW: OSPF Link Overload - draft-hegde-ospf-… Shraddha Hegde
- Re: [OSPF] FW: OSPF Link Overload - draft-hegde-o… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Shraddha Hegde
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Pushpasis Sarkar
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Ahmed Bashandy (bashandy)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Pushpasis Sarkar
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Pushpasis Sarkar
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Shraddha Hegde
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Shraddha Hegde
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Les Ginsberg (ginsberg)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Shraddha Hegde
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Les Ginsberg (ginsberg)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Pushpasis Sarkar
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Anil Kumar S N (VRP Network BL)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Uma Chunduri
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Pushpasis Sarkar
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Pushpasis Sarkar
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Manav Bhatia
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Shraddha Hegde
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Anil Kumar S N (VRP Network BL)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Shraddha Hegde
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Shraddha Hegde
- Re: [OSPF] OSPF Link Overload - draft-hegde-ospf-… Acee Lindem (acee)