IXes and AS length

Clayton Zekelman clayton at MNSi.Net
Thu Dec 18 17:55:22 UTC 2014

I'm not sure how they can do that.   Equinix is Layer 2 - your 
peering parameters are between you and your peer?

At 12:52 PM 18/12/2014, Mike Hammett wrote:
>So I just found out that the IX we're looking to hook up with 
>(Equinix) doesn't allow downstream ASes. How does that functionally work?
>Stepping outside my ISP for a moment, I know a building owner with 
>several buildings that provides Internet to his tenants. He's 
>getting an AS so he can have upstream diversity. Unless carrier A or 
>ISP B have direct private peering with whomever (Amazon, NetFlix, 
>Google, FaceBook, etc., etc.), that building owner doesn't have a 
>route to those services? They can't utilize carrier A or ISP B's 
>public peering connection? How can that possibly bee with with every 
>ISP being required to have their own physical presence on the 
>exchange? That's just not practical.
>I understand not having parallel ASNs (advertising both ASN A and 
>ASN B separately) from a sales perspective, but I don't understand 
>ASN A advertising directly on the IX, but not allowing ASN A's 
>downstream customers of ASNs B, C, D and E.
>Am I wrong or is this just an Equinix thing?
>Mike Hammett
>Intelligent Computing Solutions


Clayton Zekelman
Managed Network Systems Inc. (MNSi)
3363 Tecumseh Rd. E
Windsor, Ontario
N8W 1H4

tel. 519-985-8410
fax. 519-985-8409        

More information about the NANOG mailing list