Mikael, How did you come to 50ms? What application requires such tight timing?
aron On Tue, Sep 6, 2011 at 01:42, Mikael Abrahamsson <[email protected]> wrote: > On Tue, 6 Sep 2011, Mark Tinka wrote: > > Personally, I don't mind the lack of ISSU. There is no way I'm going to >> trust that things will go well even when ISSU is supported, so we'll always >> be running upgrades during outage windows, and not using ISSU just to be >> sure. >> > > There is also the question about what "ISSU" is. For me, it should be > hitless or at least sub 50ms traffic hit. As far as I know, none of the > router manufacturers come even close to this, even when they're talking > about the future. > > Multiple seconds outage is not "in service". > > The worst thing issue I have with IOS XR upgrades is the amount of time it >> takes to run the patch. Even an SMU can take decades, especially if it needs >> to reload the line cards/fabric. It's really annoying - almost 1.5hrs >> upgrading a single box. >> > > Yes, it's a nightmare. > > But, I hear there are plans to significantly reduce the >> upgrades times in upcoming code. Not sure if you need the >> new RP's or if the current ones will do. >> > > Well, "significantly" in this case is not the "order of magnitude" > improvement that I feel is needed to make this good. > > -- > Mikael Abrahamsson email: [email protected] > ______________________________**_________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/**mailman/listinfo/cisco-nsp<https://puck.nether.net/mailman/listinfo/cisco-nsp> > archive at > http://puck.nether.net/**pipermail/cisco-nsp/<http://puck.nether.net/pipermail/cisco-nsp/> > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
