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RE: Polling for new WG I-Ds
- To: "Bryskin, Igor" <ibryskin@movaz.com>, "Brungard, Deborah A, ALABS" <dbrungard@att.com>, "Diego Caviglia" <Diego.Caviglia@marconi.com>, "Dimitri.Papadimitriou" <Dimitri.Papadimitriou@alcatel.be>
- Subject: RE: Polling for new WG I-Ds
- From: "Drake, John E" <John.E.Drake2@boeing.com>
- Date: Wed, 23 Aug 2006 09:27:05 -0700
- Cc: "\" ccamp \" <ccamp" <ccamp@ops.ietf.org>, "\" owner-ccamp \" <owner-ccamp" <owner-ccamp@ops.ietf.org>, "Adrian Farrel <adrian" <adrian@olddog.co.uk>, "danli" <danli@huawei.com>
>
> Have you been in a situation when you just performed a
> software upgrade and a network operator tells you that your
> new release sucks and he wants the network in the state of
> this morning prior to the upgrade? No? Than you are lucky.
JD: This means reverting to the previous version of control plane
software,
not the CP->MP->CP detour.
>
> Besides, what is the problem with moving "hundreds/thousands
> of LSPs from CP->MP"?
>
> Igor
>
> -----Original Message-----
> From: Brungard, Deborah A, ALABS [mailto:dbrungard@att.com]
> Sent: Wednesday, August 23, 2006 11:43 AM
> To: Drake, John E; Bryskin, Igor; Diego Caviglia;
> Dimitri.Papadimitriou
> Cc: " ccamp " <ccamp; " owner-ccamp " <owner-ccamp; Adrian
> Farrel <adrian; danli
> Subject: RE: Polling for new WG I-Ds
>
>
> Agree with John, and control plane failures don't (should
> not/hope not) impact the data plane state. And before doing
> such a sw upgrade, I would not want to have to move
> hundreds/thousands of LSPs from CP->MP.
>
> I'm not sure myself on what is meant by CP->MP, need to discuss more.
>
> (chair hat off)
> Deborah
>
> -----Original Message-----
> From: owner-ccamp@ops.ietf.org
> [mailto:owner-ccamp@ops.ietf.org] On Behalf Of Drake, John E
> Sent: Wednesday, August 23, 2006 11:13 AM
> To: Bryskin, Igor; Diego Caviglia; Dimitri.Papadimitriou
> Cc: " ccamp " <ccamp; " owner-ccamp " <owner-ccamp; Adrian
> Farrel <adrian; danli
> Subject: RE: Polling for new WG I-Ds
>
> Snipped
>
> >
> > Besides I can see at least one quite real application for
> > CP->MP. Imagine that an operator wants to perform some major
> > software upgrade with a new software version significantly
> > incompatible with the previous one.
>
> JD: Except that we go to great pains to ensure that this
> situation never occurs.
>
>
>