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    Pings & G.INP

    This is a discussion on Pings & G.INP within the Sky Broadband help forums, part of the Sky Broadband help and support category; Here we go again. After 6 months of stable pings of 15 or 16ms to all my benchmark addresses such ...

    1. #41
      gymno's Avatar
      gymno Guest
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      Re: Pings & G.INP

      Here we go again.

      After 6 months of stable pings of 15 or 16ms to all my benchmark addresses such as bbc & google etc, sky do some maintenance on the network this morning & they're all over the place again.

      PING 212.58.241.131 (212.58.241.131): 56 data bytes
      56 bytes from 212.58.241.131: icmp_seq=0 ttl=248 time=26.9 ms
      56 bytes from 212.58.241.131: icmp_seq=1 ttl=248 time=25.8 ms
      56 bytes from 212.58.241.131: icmp_seq=2 ttl=248 time=26.4 ms
      56 bytes from 212.58.241.131: icmp_seq=3 ttl=248 time=26.1 ms

      --- 212.58.241.131 ping statistics ---
      4 packets transmitted, 4 packets received, 0% packet loss
      round-trip min/avg/max = 25.8/26.3/26.9 ms

      It really is no big deal at all, but just thought i'd post to illustrate how sky's routing obviously changes when maintenance happens & it's effect on latency.


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    3. #42
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      Scubbie is offline Sky User Moderator
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      Re: Pings & G.INP

      Without knowing the specifics of this instance, I think it would be fair to assume that there is some form of maintenance on all the networks all the time.

      If no such maintenance happened, then it would be fair to assume that the whole system would have crashed and burned by now.

      Sky Fibre Unlimited Pro: Connected at 80,000 kbps / 20,000 kbps
      Previous ADSL2+ Speed 19999 kbps 1153 kbps, Line Attenuation 17.5 db 6.9 db, Noise Margin 7.5 dB 8.7 dB
      Speedtest: 17.15MB/s 0.97Mb/s Ping 31 ms

    4. #43
      gymno's Avatar
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      Re: Pings & G.INP

      Yes, i understand.

      I'm not complaining, just posting to give information.

      Also, this is the 3rd time i've experienced this type of phenomena immediately after network downtime / maintenance.
      here and here are the other 2 examples from this thread.
      Thankfully, last time it was what rectified the issue (not that it's an issue really).

    5. #44
      gymno's Avatar
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      Re: Pings & G.INP

      Confirmation of phenomena since network maintenance.

      Yesterday:
      Ping to google.com 216.58.208.78 16ms.
      Ping to bbc.co.uk 212.58.241.131 27ms.
      BQM at 16ms:


      Today with new ip address:
      Ping to google.com 216.58.208.78 21ms.
      Ping to bbc.co.uk 212.58.241.131 21ms.
      BQM at 27ms:

    6. #45
      gymno's Avatar
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      Re: Pings & G.INP

      A period of normality last night:



      For the record, here is the normality i had for 6 months prior to the recent maintenance:



      Incidentally, i saved the 2nd image above to show the effect that the sky box has on the bqm.
      As discussed elsewhere on the forum some time ago, this has no effect on line performance whatsoever & doesn't show up on monitors other than the thinkbroadband one.

    7. #46
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      Re: Pings & G.INP

      This silliness appears to be causing actual problems now.



      The latency drop / routing change at approximately 10:30pm completely screwed up the game update download i had in progress a the time.

      It errored & failed so i had to start the download all over again.

      Not impressed.

    8. #47
      Angel_Rex's Avatar
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      Re: Pings & G.INP

      Mine has increased too.

      Damn not being able to tell which exchanges have G.INP already!

    9. #48
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      Re: Pings & G.INP

      To be honest Angel_Rex, the thread title is pretty much meaningless now.

      Initially i incorrectly thought that this phenomena had something to do with g.inp but it seems more likely to be something to do with routing.
      Changes have occurred 3 times now immediately after network maintenance, so it appears to me that they're not quite getting things 100%.

      Here's how last night's bqm went:



      Usually these latency / routing changes occur during the early hours so don't affect anything.
      Last night was the first time i'd been using the connection while it happened & so i now know it is an actual problem.

      I can still achieve pings like this to some random addresses, proving that the level of interleaving hasn't altered:

      PING 141.136.107.5 (141.136.107.5): 56 data bytes
      56 bytes from 141.136.107.5: icmp_seq=0 ttl=62 time=16.5 ms
      56 bytes from 141.136.107.5: icmp_seq=1 ttl=62 time=16.5 ms
      56 bytes from 141.136.107.5: icmp_seq=2 ttl=62 time=17.3 ms
      56 bytes from 141.136.107.5: icmp_seq=3 ttl=62 time=16.8 ms

      --- 141.136.107.5 ping statistics ---
      4 packets transmitted, 4 packets received, 0% packet loss
      round-trip min/avg/max = 16.5/16.7/17.3 ms

    10. #49
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      Re: Pings & G.INP

      As an update, I have now had G.INP appear on my line and it is awesome.

      You can tell if, on a re-sync you have Bearer 0 & Bearer 1 showing in your logs.

      My ping was 17-31ms and has now dropped to 10-14ms It has also set my line to a full 39999 / 7175 where as before it was around 35-37mb.

      Hope your mess is sorted soon!
      Scubbie likes this.

    11. #50
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      Re: Pings & G.INP

      Looks like my line has just had this switched on. I see the bearer 0 & 1 in logs. Downstream speed increased from 27 to 35 meg, and upstream has increased from 5 to 6 meg. Never been that fast before. Nice. Hopefully DLM won't keep reducing the speed (it always used to go up to 30/31 after a DLM reset before dropping after a few weeks).

     

     
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