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MICE-DISCUSS  October 2017

MICE-DISCUSS October 2017

Subject:

Re: Multi-IX Traffic Management?

From:

Colin Baker <[log in to unmask]>

Reply-To:

MICE Discuss <[log in to unmask]>

Date:

Fri, 27 Oct 2017 15:29:00 -0500

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (47 lines)

On 27.10.2017 15:01, Matthew Beckwell wrote:
> For my own curiosity:
> 
> I've seen quite a few networks in the last year or so connecting
> themselves to other out-of-market IX's (I presume getting some cheap
> wavelengths and bringing it back to Minnesota).
> 
> A couple of questions for those of you that are doing this:
> 
> 1. I'm assuming this is enabling you to accommodate requirements from
> other networks that require peering at multiple locations, even though
> technically your network doesn't really extend that far (or maybe it's
> something else?).

For us, the goal is to reach networks which are not on exchanges which 
we're already connected.  The big ones are at MICE, but there are other 
exchanges we can get to reasonably inexpensively that have such a large 
number of networks connected that it makes sense financially (compared 
to buying more transit).  Traffic from a huge number of ASNs, 
particularly if most are on a route server, can really add up.

Peering in multiple locations is a nice benefit to this, but usually not 
a primary goal for us.

> 2. How are folks monitoring, managing, or manipulating this
> out-of-market traffic? (Using BGP MED, Prepending, Localpref, or some
> other mechanism to "prefer" your traffic enter and exit closer to
> where you really are?)

If you haven't already, install as-stats  
(https://github.com/manuelkasper/AS-Stats) to monitor things, which will 
make it clear if something is out of whack.  In most cases, our IGP 
handles outbound traffic in a way the makes sense.  Inbound traffic can 
be trickier - a few networks will publish action communities or accept 
MEDs, and we utilize those tools when available.  Prepending is 
occasionally useful.  Announcing more specifics in certain spots always 
felt like a jerk move so I tend to avoid that, but that's a thing I 
suppose.

-- 
Colin Baker
SupraNet Communications, Inc.
(608) 572-7634
[log in to unmask]

This message is subject to the SupraNet Email Confidentiality Policy
which is located at http://supranet.net/confidentiality

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