North American Network Operators Group

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RE: multi-homing fixes

  • From: Howard C. Berkowitz
  • Date: Sat Aug 25 10:06:25 2001


This would also indicate the
timeframe needed for deployment of software to support 4 byte AS numbers.
FYI, recently issued AS numbers have been in the 22XXX area.
Much of this thread appears to be operating under the flawed assumption
that the only ways to multihome[1] involve inserting prefixes of
some size (under dispute) into the global[2] routing table.
Alex,

Total agreement, and that's why I have written a user requirements draft and posted a suggestion of a focal point for information yesterday. If the only tool you have is a BGP hammer, everything looks like a nail.

There are lots of other tools, but no one has ever, it seemed, cataloged the toolbox, and written down a beginner's guide to their applications.
[1] = let's define that, for convenience, as to connect to n>1 different
providers of IP connectivity, possibly utilizing redundant tail
circuits, in a manner where if one or more, but not all providers
fail, service is degraded as little as possible.

[2] = less than global, if it becomes balkanized filtering
in response to uncontrolled proliferation of long prefix
routes

--
Alex Bligh
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