I think you will find (1) at the top of the list (i.e simplicity taking the ruling position) shortly followed by 4B , in many cases the provider will give the customer a private ASN (even the same private ASN) to make network management simpler.
Dave > On 17 Jun 2015, at 09:33, Matjaz Straus Istenic <mat...@njetwork.si> wrote: > > Hi list, > > This is my first post to the list so let me briefly introduce myself. I’m a > network engineer — worked with the local national and research network for > 15+ years, now chairing the freshly started Slovenian NOG. Currently I'm part > of a development and design verification team for a vendor that focuses > mostly on radio transmission on IP routing and MPLS devices. > I’m dealing with the requirements for such a device, namely which CE-PE IGP > protocols should be primary supported and to what extent. So, my question to > the list is which flavour of IGP is most common for CE-PE routing in L3VPNs: > > 1) static routing > 2) OSPF > 3) IS-IS > 4) BGP > 4A) iBGP with ISPs ASN or some private ASN for both CE and PE > 4B) eBGP - customer uses their own ASN > 5) RIP <— somebody still remembers this Rest in Peace protocol? > 6) EIGRP or some other protocols > > Thank you very much for your feedback, > > KInd regards, > Matjaž
