Re: Question on the topology of Internet Exchange Points

Greg VILLAIN wrote: > I'm not saying one should convert every single IX peering into a PNI, as > I feel both are pretty much required: your smallest peers shall be > secured on as many IXes as possible, your biggest ones via PNI. IX > peering is mandatory to keep internet routing diversity up to

Re: Question on the topology of Internet Exchange Points

On Feb 15, 2008, at 8:04 AM, Greg VILLAIN wrote: Obvious as it is, if one of your peerings on an IX gets big in terms of in/out volumes, you HAVE to secure it by PNI. You need a way to prevent the IX's equipments from being a SPoFs between you and that peer. "HAVE to" is such a strong phr

Re: Question on the topology of Internet Exchange Points

On Feb 14, 2008, at 7:06 PM, Paul Vixie wrote: [EMAIL PROTECTED] ("Kai Chen") writes: A typical Internet Exchange Point (IXP) consists of one or more network switches , to which each of the participating ISPs connect. We call it the exchange-b

Re: Question on the topology of Internet Exchange Points

Paul Vixie wrote: i don't know what's true of other IXP's around the world. At the Kenyan Internet Exchange Point (KIXP), we require that all operators have a BGP-speaking router mounted on the racks at the facility. All connections are done through the IXP switches. We have not had a

Re: Question on the topology of Internet Exchange Points

On Feb 14, 2008, at 3:44 PM, Andy Davidson wrote: On 14 Feb 2008, at 17:02, Kai Chen wrote: A typical Internet Exchange Point (IXP) consists of one or more network switches, to which each of the participating ISPs connect. We call it the exchange-based topology. My question is if some cur

Re: Question on the topology of Internet Exchange Points

> > in other words there appeared to be no "exchange-based topology", more > > like a "hybrid exchange and PNI topology." > > > > Paul Vixie > > It is interesting. Is this the common case for the IXP infrastructure?[1] I > mean the hybrid topology? It seems that it is both directly-connected and

Re: Question on the topology of Internet Exchange Points

On 14 Feb 2008, at 17:02, Kai Chen wrote: A typical Internet Exchange Point (IXP) consists of one or more network switches, to which each of the participating ISPs connect. We call it the exchange-based topology. My question is if some current IXPs use directly-connected topology, in whic

Re: Question on the topology of Internet Exchange Points

[EMAIL PROTECTED] ("Kai Chen") writes: > A typical Internet Exchange Point (IXP) consists of one or more network > switches , to which each of > the participating ISPs connect. We call it the exchange-based topology. > My question is if some current I

Re: Question on the topology of Internet Exchange Points

On Thu, Feb 14, 2008 at 11:02:54AM -0600, Kai Chen wrote: > A typical Internet Exchange Point (IXP) consists of one or more network > switches , to which each of the > participating ISPs connect. We call it the exchange-based topology. My > question is