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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: solving problems instead of beating heads on walls
On Sat, 27 Jul 2002, Brad Knowles wrote: > > Responsible and overall best: connect to the same 2+ providers in both > > locations and announce more specifics locally in each region/city/whatever > > with no-export. > > As said above, this isn't possible. I'd like to learn what could > be done in this kind of situation that would allow the desired > redundancy, while also being responsible. > > I'm not a manager of a large network (where I might have this > kind of problem myself), nor am I employed at a large ISP (where my > customers might have this kind of problem). But I would like to > learn. It depends on the quality of intra-AS connectivity. In situations such as Ralph's, where intra-AS connectivity is strong, it has been shown that there is a technique to allow for the weaker transit link to be only used for backup: conditional BGP announcements and a gre tunnel over the transit links in both cities. Andy xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Andy Dills 301-682-9972 Xecunet, LLC www.xecu.net xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Dialup * Webhosting * E-Commerce * High-Speed Access
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