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MICE-DISCUSS  March 2013

MICE-DISCUSS March 2013

Subject:

Re: Interesting route to Akamai

From:

Jeremy Lumby <[log in to unmask]>

Reply-To:

MICE Discuss <[log in to unmask]>

Date:

Thu, 21 Mar 2013 22:50:00 -0500

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (54 lines)

I realize that the return traffic might be taking a different route, however one of the MICE members still needs to be transiting it to Charter.  I guess it may just be an inevitable side effect of providing the internet connection to fill the cluster.

-----Original Message-----
From: MICE Discuss [mailto:[log in to unmask]] On Behalf Of David Farmer
Sent: Thursday, March 21, 2013 10:30 PM
To: [log in to unmask]
Subject: Re: [MICE-DISCUSS] Interesting route to Akamai

I can assure you the path from Akamai to Charter is not following that path, this is an asymmetrical path.  We are helping USInternet provide cache fill for Akamai by announcing the prefix through commercial peering relationships we have.  Along with cache fill comes some TCP Ack traffic depending on some people's routing policy.

--
===============================================
David Farmer               Email:[log in to unmask]
Networking & Telecommunication Services
Office of Information Technology
University of Minnesota    
2218 University Ave SE        Phone: 612-626-0815
Minneapolis, MN 55414-3029   Cell: 612-812-9952
===============================================


On Mar 21, 2013, at 21:11, Jeremy Lumby <[log in to unmask]> wrote:

> I was a little interested in seeing which Akamai cluster would feed my Charter home internet connection if I decided to stream NCAA basketball.  A quick packet capture revealed a very familiar IP address.  However when I tracerouted to it, I was surprised to see it go through the University transit MICE, and then loop back on USinternet to get to the MICE Akamai cluster.  
> 
>   2   1   - 66.191.136.9             
>   3   2   - 10.149.234.1           
>   4   3   1 96.34.25.200    dtr01rsmtmn-tge-0-1-1-2.rsmt.mn.charter.com
>   5   3   1 96.34.27.182    crr02stcdmn-tge-0-4-0-1.stcd.mn.charter.com
>   6   3   1 96.34.2.136     bbr01stcdmn-bue-3.stcd.mn.charter.com
>   7   3   1 96.34.1.149     bbr02chcgil-bue-1.chcg.il.charter.com
>   8   3   1 96.34.3.11      prr01chcgil-bue-4.chcg.il.charter.com
>   9   4   2 64.57.20.49     ge-9-0-4.0.chic0.tr-cps.internet2.edu
>  10   4   - 64.57.21.122    
>  11   5   3 206.108.255.126 as57-2.micemn.net
>  12   5   4 206.108.255.19  g1-43.usi-cr03-mpls.usinternet.com
>  13   6   4 216.17.48.25    v115.usi-cr02-mpls.usinternet.com
>  14   7   - 216.17.31.194
>  15   8   5 23.15.4.8       a23-15-4-8.deploy.akamaitechnologies.com
> 
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