nanog mailing list archives

Re: IXes and AS length


From: Clayton Zekelman <clayton () MNSi Net>
Date: Thu, 18 Dec 2014 12:55:22 -0500



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
http://www.ics-il.com

---

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

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

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