Re: Verio Decides what parts of the internet to drop

["Alex P. Rudnev" <alex () virgin relcom eu net>]

Btw, 
          it's crazy idea. I know a lot of 128-191.* networks with /19 and even
          /24 prefixes, and they should be routed independently.





On Thu, 2 Dec 1999 doug () safeport com wrote:

> Date: Thu, 02 Dec 1999 15:46:15 -0500
> From: doug () safeport com
> To: nanog () merit edu
> Subject: Verio Decides what parts of the internet to drop
>
>
> IMHOTS
>
> Apparently for their convenience Verio has decided what parts of the Internet I
> can get to. With no notification. This was (eventually) posted to the BSDI
> mailing list when some of us were cut from access to the site we need to
> maintain our OS.
>
> For this I pay them.
>
> Doug Denault
> --------------
>
> "John A." wrote:
> > Heres a little more light on the subject.  This is a message we recieved
> > from Verio explaining why anybody that goes through their network can't
> > get to bsdi.  Because of this message, we are considering moving to a
> > different backbone.
> >
> > John A.
> > Provide.Net
> > Ypsilanti, MI
> >
> > > Date: Wed, 1 Dec 1999 01:15:07 +0000
> > > From: Wade Moeller <wmoeller () noc verio net>
> > > To: smike () provide net
> > > Cc: Case Updates <updates () vanwebserv verio net>
> > > Subject: [v-666704] Routing to BSDI.com
> > > X-Mailer: Mutt 0.95.1i
> > > X-Disclaimer: My opinions are mine, and not those of anyone else.
> > >
> > > Hello there.  I am writing in regards to case #666704.  You have
> > > opened this ticket complaining that you cannot reach bsdi.com.  I am
> > > going to explain to you exactly what is happening and who needs to
> > > fix this.
> > >
> > > What is happening:
> > >       Cray Computer Corp. split up their Class B into two /17 networks
> > > and gave routing control over those IPs to 2 different ISPs.  Below
> > > are the routes being announced and the IP delegation from ARIN.
> > >
> > > First half of the Class B:
> > > BGP routing table entry for 134.195.0.0/17, version 15625171
> > > Paths: (7 available, best #3)
> > >  Advertised to peer-groups:
> > >     internal pop rr-pop
> > >  1 3404
> > >    165.117.56.98 (metric 33) from 165.117.1.145 (165.117.1.145)
> > >      Origin incomplete, metric 4294967294, localpref 100, valid,
> > > internal
> > >      Community: 1:1000 2548:183 2548:666 3706:153
> > >
> > > Second half of the Class B:
> > > BGP routing table entry for 134.195.128.0/17, version 15624883
> > > Paths: (19 available, best #13)
> > >  Advertised to peer-groups:
> > >     internal pop rr-pop
> > >  1 10487
> > >    165.117.56.98 (metric 33) from 165.117.1.145 (165.117.1.145)
> > >      Origin IGP, metric 4294967294, localpref 100, valid, internal
> > >      Community: 1:1000 2548:183 2548:666 3706:153
> > >
> > > Arin Delegation:
> > > Cray Computer Corporation (NET-CRAYCOS)
> > >   P.O. Box 17500
> > >   Colorado Springs, CO 80935
> > >
> > >   Netname: CRAYCOS
> > >   Netnumber: 134.195.0.0
> > >
> > > Verio has a BGP policy where we limit what announcements we will
> > > listen to when they are advertised to use.  This is keep the size of
> > > the routing table in check.  The policy is as follows:
> > >
> > > 0.0.0.0-127.255.255.255 Verio will listen to no announcements less
> > > then a /20
> > > 128.0.0.0-191.255.255.255 Verio will listen to no announcement less
> > > then a /16
> > > 192.0.0.0-223.255.255.255 Verio will listen to no announcement less
> > > then a /24.
> > >
> > > We have modeled this after the allocation boundaries in use by ARIN,
> > > IE ARIN will not give out a /17 in the 128.0.0.0-191.255.255.255 IP
> > > space.
> > >
> > > Therefore we are ignoring the two /17 announcements since we will only
> > > accept them as a single /16 announcement.
> > >
> > > This is the current Verio policy and this is the future Verio policy.
> > > There has been much discussion of this policy and it is still in place
> > > so it will not be changing in the foreseeable future.
> > >
> > > Who needs to fix this:
> > >       As you can see the routes for each net-block is going through
> > > BBNPlanet (AS1) and then onto Colorado Internet Cooperative
> > > Association (AS3404) and Simple Network Communications, Inc.
> > > (AS10487).  Those last two companies need to consolidate their
> > > announcements so that they are able to announce the entire /16.
> > > Alternatively they may ask BBNPlanet to aggregate the the /17s into
> > > one /16 which we will listen to.  These are the only 2 actions that
> > > will let Verio's routers see those networks and route to them.
> > >
> > > If you have any further questions please do not hesitate to ask.
> > >
> > > --
> > > Wade Moeller                                      Network Tech I
> > > wmoeller () noc verio net                 (800)551-1630
> > > Here an OS, there an OS....I need more computers.
> -- 
> Douglas Denault
> support () safeport com
> Voice: 301-469-8766
>   Fax: 301-469-0601

Aleksei Roudnev,
(+1 415) 585-3489 /San Francisco CA/