[AusNOG] High Latency to AS15169

Ross Tsolakidis ross at dataexpress.net.au
Thu Oct 4 14:38:19 EST 2018


This happens often, we graph it for fun.
(not default smokeping timers, very low impact).

[image: image.png]

Regards,
Ross.


On Thu, Oct 4, 2018 at 2:30 PM Nathan Brookfield <
Nathan.Brookfield at simtronic.com.au> wrote:

> We never saw it come back.
>
> Nathan Brookfield
> Chief Executive Officer
>
> Simtronic Technologies Pty Ltd
> http://www.simtronic.com.au
>
> On 4 Oct 2018, at 14:12, Tim Jackson <tim at jacksons.net.au> wrote:
>
> Gone offshore again?
>
> <image.png>
>
> On Wed, Oct 3, 2018 at 2:30 PM Jen Linkova <furry13 at gmail.com> wrote:
>
>> I believe the latency should be back to usual values now.
>>
>> On Wed, Oct 3, 2018 at 1:55 PM Dave Browning <dave at sentrian.com.au>
>> wrote:
>>
>>> All,
>>>
>>> Just to keep the list updated on this issue, Google have confirmed there
>>> is a wide spread problem and the appropriate Engineer's are on the case
>>>
>>> Cheers,
>>>
>>> Dave Browning | Senior Network Engineer
>>> P 1300 791 678 D 07 3708 0008
>>> Level 1, 12 Railway Tce, Milton QLD 4064
>>>
>>> -----Original Message-----
>>> From: AusNOG <ausnog-bounces at lists.ausnog.net> On Behalf Of Dave
>>> Browning
>>> Sent: Wednesday, 3 October 2018 12:53 PM
>>> To: ausnog at lists.ausnog.net
>>> Subject: Re: [AusNOG] High Latency to AS15169
>>>
>>> Hi Jen,
>>>
>>> Looks like your front line aren’t aware of the issues, see response
>>> below;
>>>
>>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>>> Hi,
>>>
>>> Google does not recommend using ping time to google.com [or any other
>>> Google service, including Google Public DNS, or 8.8.8.8] as a measure of
>>> the actual performance of Google services for the following reasons:
>>>
>>> - Google services, including Google Public DNS, are not designed as ICMP
>>> network testing services
>>> - Many large networks, including Google, rate limit ICMP
>>> - ICMP ping or traceroute traffic can be discarded or delayed en-route
>>> to Google
>>> - The termination point of the TCP/UDP session with Google may not
>>> represent the full network path between a user and the service
>>> - User requests may be served from locations closer to or farther from
>>> the user than the destination of the initial TCP termination point
>>> - Even a complete lack of response to ICMP traffic may not reflect any
>>> sort of issue with Google service performance.
>>>
>>> Please do let us know if you actually getting complaints from your users
>>> about accessing Google services.
>>>
>>> FYI, you may also want to read this about icmp and traceroutes to Google
>>> https://peering.google.com/#/learn-more/faq
>>>
>>>
>>> Best Regards,
>>>
>>> Salman Nasir Khan | Network Operations Center (AS15169) | mailto:
>>> noc at google.com | +1-855-4664-638
>>>
>>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>>>
>>> Cheers,
>>>
>>> Dave Browning | Senior Network Engineer
>>> P 1300 791 678 D 07 3708 0008
>>> Level 1, 12 Railway Tce, Milton QLD 4064
>>>
>>> From: AusNOG <ausnog-bounces at lists.ausnog.net> On Behalf Of Jen Linkova
>>> Sent: Wednesday, 3 October 2018 12:04 PM
>>> To: ausnog at lists.ausnog.net
>>> Subject: Re: [AusNOG] High Latency to AS15169
>>>
>>> Just to let everyone know - the problem is being investigated right now.
>>>
>>>
>>> On Wed, Oct 3, 2018 at 10:42 AM Dave Browning <mailto:
>>> dave at sentrian.com.au> wrote:
>>> All,
>>>
>>> I am seeing high latency into Google's network from both our network and
>>> also my home network. Is everyone else seeing this? Examples are 8.8.8.8
>>> and 35.185.160.2 We direct peer with them. Looks as if my home ISP do too.
>>>
>>> Latency seems to jump at the same spot from both networks, between
>>> 108.170.247.75 and 216.239.35.142 (both Google IPs).
>>> Have sent NOC a message, but just be interested to see if others are
>>> affected.
>>>
>>> Cheers,
>>>
>>> Dave Browning | Senior Network Engineer
>>> P 1300 791 678 D 07 3708 0008
>>> Level 1, 12 Railway Tce, Milton QLD 4064
>>> _______________________________________________
>>> AusNOG mailing list
>>> mailto:AusNOG at lists.ausnog.net
>>> http://lists.ausnog.net/mailman/listinfo/ausnog
>>>
>>>
>>> --
>>> SY, Jen Linkova aka Furry
>>> _______________________________________________
>>> AusNOG mailing list
>>> AusNOG at lists.ausnog.net
>>> http://lists.ausnog.net/mailman/listinfo/ausnog
>>> _______________________________________________
>>> AusNOG mailing list
>>> AusNOG at lists.ausnog.net
>>> http://lists.ausnog.net/mailman/listinfo/ausnog
>>>
>>
>>
>> --
>> SY, Jen Linkova aka Furry
>> _______________________________________________
>> AusNOG mailing list
>> AusNOG at lists.ausnog.net
>> http://lists.ausnog.net/mailman/listinfo/ausnog
>>
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