Re: local_preference for transit traffic?

2011-12-15 Thread Joe Malcolm
Jeff Wheeler writes: >On Thu, Dec 15, 2011 at 1:07 AM, Keegan Holley > wrote: >> Had in interesting conversation with a transit AS on behalf of a customer >> where I found out they are using communities to raise the local preference > >That sounds like a disreputable practice. > >While not quite as

Re: Peering - Benefits?

2008-10-31 Thread Joe Malcolm
vijay gill writes: >This is probably going to be a somewhat unpopular opinion, mostly >because people cannot figure out their COGS. If you can get transit >for cheaper than your COGS, you are better off buying transit and not >peering. There are some small arguments to be made for latency and >'ch

Re: IPv6: IS-IS or OSPFv3

2008-12-27 Thread Joe Malcolm
Steven M. Bellovin writes: >Unless, of course, someone one hop away -- a peer? a customer? an >upstream or downstream? someone on the same LAN at certain exchange >points? -- sends you a CLNP packet at link level... True enough, and mistakenly enabling ISIS on external ports has been known to ha

Re: Public shaming list for ISPs announcing other ISPs IP space by mistake

2008-08-15 Thread Joe Malcolm
Jared Mauch writes: > No really, the reason for some leaks isn't because so-and-so was >never a customer, they were. 5 years ago. nobody removed the routes from >the IRR or AS-SET or and now the route is learned via >some other location and it's bypassed your perimiter security and >infi

Re: Is it time to abandon bogon prefix filters?

2008-08-15 Thread Joe Malcolm
Robert E. Seastrom writes: >Not sure what you mean by this, but the painful reality is that most >stuff, once deployed, gets promptly forgotten about, much the same as >you might ignore a wall wart power supply under your desk until it >started smelling funny or stopped delivering electricity. Thu