[AusNOG] Vocus NSW Latency

[Tim Raphael]

A more verbose response would be that this latency is caused by MPLS tunnelling warping the RTTs indicated by traceroutes.

The RTT times are correct, albeit not being indicated on the correct hops (normal).

- Tim


> On 1 Sep 2015, at 10:07 am, Trent Farrell <tfarrell at riotgames.com> wrote:
> 
> http://www.ciscopress.com/articles/article.asp?p=680824&seqNum=4 <http://www.ciscopress.com/articles/article.asp?p=680824&seqNum=4>
> 
> On Mon, Aug 31, 2015 at 5:01 PM, Matt Perkins <matt at spectrum.com.au <mailto:matt at spectrum.com.au>> wrote:
> We are not seeing what you are from Vocus Sydney. I have always found Vocus support excellent. Why dont you give them a try.
> 
> Matt
> 
> 
> On 1/09/2015 9:55 AM, Ibrahim Kunduraci wrote:
>> Hi guys,
>> 
>> Seeing high latency between host 114.31.193.37 (ten-1-3-0-782.bdr03.syd03.nsw.VOCUS.net.au <http://ten-1-3-0-782.bdr03.syd03.nsw.vocus.net.au/>) and host 114.31.192.34 (ten-0-1-0-7.cor01.syd04.nsw.vocus.net.au <http://ten-0-1-0-7.cor01.syd04.nsw.vocus.net.au/>); RTT between the 2 hosts increase 10-fold.
>> 
>> Tracing route to 4.2.2.2 over a maximum of 30 hops
>>   1     2 ms     1 ms     1 ms  192.168.52.1
>>   2    <1 ms    <1 ms    <1 ms  172.16.251.1
>>   3    <1 ms    <1 ms    <1 ms  172.16.253.2
>>   4     1 ms    <1 ms    <1 ms  203.83.194.209
>>   5    10 ms    13 ms    10 ms  203.83.194.161
>>   6    10 ms    10 ms    10 ms  203.83.192.42
>>   7    10 ms    10 ms    11 ms  114.31.193.37
>>   8   166 ms   167 ms   205 ms  114.31.192.34
>>   9   167 ms   166 ms   179 ms  114.31.199.85
>>  10   167 ms   167 ms   167 ms  114.31.199.59
>>  11   167 ms   167 ms   167 ms  114.31.199.123
>>  12   177 ms   177 ms   177 ms  46.33.90.49
>>  13   176 ms   174 ms   174 ms  89.149.187.73
>>  14   178 ms   177 ms   178 ms  4.68.62.213
>>  15   167 ms   167 ms   175 ms  4.69.152.206
>>  16   167 ms   167 ms   167 ms  4.2.2.2
>> Trace complete.
>> 
>> 
>> Any known issues? 
>> 
>> Thanks
>> 
>> 
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> 
> 
> -- 
> /* Matt Perkins 
>         Direct 1300 137 379        Spectrum Networks Ptd. Ltd. 
>         Office 1300 133 299        matt at spectrum.com.au <mailto:matt at spectrum.com.au> 
>                                    Level 6, 350 George Street Sydney 2000
>         Spectrum Networks is a member of the Communications Alliance & TIO  
> */
> 
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> 
> 
> 
> 
> -- 
> Trent Farrell
> 
> Riot Games
> 
> IP Network Engineer
> 
> E: tfarrell at riotgames.com <mailto:tfarrell at riotgames.com> | IE:  +353 83 446 6809 | US: +1 424 285 9825 
> 
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