On Oct 11, 2013, at 10:27 AM, William Waites <wwai...@tardis.ed.ac.uk> wrote:
> I'm having a discussion with a small network in a part of the world > where bandwidth is scarce and multiple DSL lines are often used for > upstream links. The topic is policy-based routing, which is being > described as "load balancing" where end-user traffic is assigned to a > line according to source address. > > In my opinion the main problems with this are: > > - It's brittle, when a line fails, traffic doesn't re-route it's brittle > - None of the usual debugging tools work properly > - Adding a new user is complicated because it has to be done in (at > least) two places > you take all the useful information that an IGP could be (or is) providing you, and then you ignore it and do something else. > But I'm having a distinct lack of success locating rants and diatribes > or even well-reasoned articles supporting this opinion. > > Am I out to lunch? evil is not a synonym for ugly patch placed over a problem that could be handled better. If it's being used as an alternative to VRF, it isn't. > > -w > -- > The University of Edinburgh is a charitable body, registered in > Scotland, with registration number SC005336.
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