Latency/Connection Issues Since the Launch of the EU Data Center

[Raist]

Thanks for sharing the data...it gives some nice examples of things to watch out for.

There are some issues with the data though, which may be causing you to miss some key points about what is going on with the connection. You are comparing a 2 minute sample against almost 2.5 hours (50 samples against 3450 samples)...which may not be painting a very accurate picture, and you seem to be glossing over the jitter factor, which can lead to retransmits as well.

In both samples you are experiencing the same incredibly high jitter earlier in your route that may be contributing to the issues you only caught with the longer sample (if the second sample ran just as long, you may have captured losses at hops 2 and 3 as well--and yes, you are showing losses within France Telecom). Take a closer look at the min/max values. In both samples, your France Telecom is spiking in a major way...at times up to almost 4x your average ping...and you should NOT be hitting 200ms+ response times at your localized gateways either.

Something is up much earlier in this route that your ISP needs to investigate.

[Moonraker]

Thanks for sharing the data...it gives some nice examples of things to watch out for.

There are some issues with the data though, which may be causing you to miss some key points about what is going on with the connection. You are comparing a 2 minute sample against almost 2.5 hours (50 samples against 3450 samples)...which may not be painting a very accurate picture, and you seem to be glossing over the jitter factor, which can lead to retransmits as well.

In both samples you are experiencing the same incredibly high jitter earlier in your route that may be contributing to the issues you only caught with the longer sample (if the second sample ran just as long, you may have captured losses at hops 2 and 3 as well--and yes, you are showing losses within France Telecom). Take a closer look at the min/max values. In both samples, your France Telecom is spiking in a major way...at times up to almost 4x your average ping...and you should NOT be hitting 200ms+ response times at your localized gateways either.

Something is up much earlier in this route that your ISP needs to investigate.

Thanks for your comments.

1. Samples.
Agreed, though the purpose was only to give a general snapshot to compare rather than a direct comparison.

2. Jitter.
I really should just switch the tag off in the testing mainly because it is not a true reflection of the connection. Any internet traffic load from my house will inflate the difference in min/ max latency and will skew the figures. Which, living in a home sharing the connection with my family will happen especially during primetime.

Considering that as mentioned, I live in a rural location and connect over a 2MB ADSL line, there will be some amount of jitter to reach Frankfurt, DE, though typically quality if the line doesn't change much over except in poor weather occasionally for me.

Given that I typically get decent Jitter test results, for example Pingtest (Java not installed so no PL) to Frankfurt ;



Using the wider test depth from DSLReport Ping/ Jitter Test gives a good idea that it is not a general issue for me;

31/10/2015 6:53:31PM calculating grade
31/10/2015 6:53:54PM grade A
31/10/2015 6:54:24PM grade A+
31/10/2015 6:54:54PM grade A

Here is a quick 10 minute sample to show that Jitter is not generally high yet still the packet loss rise from hop 7 at Frankfurt and even more clear at hop 9 into the KKDI host network during mid afternoon.



Regarding the underlying issue of bad lag/ hitching during primetime, it was not an issue until the data center move even with higher latency over a longer distance.

The data is showing a clear rise in packet loss hitting Frankfurt and then notably once in KKDI network.

It could be that it effects lower speed connections more than faster ones. Either way there is an issue for a lot of players and it lies somewhere which has some common root. This looks like a likely place to start.