Google Cloud and IX - Traffic behavior

Alain Hebert ahebert at
Mon Jun 19 13:36:28 CST 2017


     Yes Stephen, we're talking the usual like GTT...

     And no latency wise they're about the same.  In the 35ms range.

     But I still can't figure out the 10 x drop, that level of latency 
alone cannot be the factor.

     ( And Gordy...  what?!? )

Alain Hebert                                ahebert at
PubNIX Inc.
50 boul. St-Charles
P.O. Box 26770     Beaconsfield, Quebec     H9W 6G7
Tel: 514-990-5911    Fax: 514-990-9443

On 06/16/17 19:42, Stephen Fulton wrote:
> Alain,
> When you refer to "normal peering" do you mean Internet transit? Or 
> are these PNI's with Google?  Do the GCLD instance you reach through 
> "normal peering" have higher latency than through TorIX?
> -- Stephen
> On 2017-06-16 6:58 PM, Alain Hebert wrote:
>>      Hi,
>>      Anyone aware of different traffic behavior depending if the 
>> target goes through normal peering than through an exchanges google 
>> exists in?
>>      We're facing a weird issue where the same GCLD Instance can 
>> upload up to 200Mbps (Ref 1) if the target path goes through, lets 
>> say TorIX, but cannot get more than 20Mbps on similar hosts (8 of 
>> them) sittings on our peering links.
>>      PS; Those sames hosts get up to their link limit ( 1Gbps ) 
>> between each others and others test points we have;
>>      PS: Wireshark capture show nothing abnormal;
>>      PS: Links aren't congested, and so on...
>> Ref 1 - 200Mbps is on a link rate-limited to 300Mbps.  Its my only 
>> test point with a TorIX access

More information about the NANOG mailing list