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UPC Interleaving?

  • 29-05-2010 4:03pm
    #1
    Dark Nex
    Registered Users, Registered Users 2 Posts: 54 ✭✭


    I've just heard that interleaving can result in a delay in latency and pings. Do UPC use interleaving and is it possible to get it turned off to increase pings for gaming?

    What are the side effects of turning this off?


Comments

  • #2
    Spear
    Moderators, Computer Games Moderators, Technology & Internet Moderators, Help & Feedback Category Moderators Posts: 25,763 CMod ✭✭✭✭Spear


    Dark Nex wrote: »
    I've just heard that interleaving can result in a delay in latency and pings. Do UPC use interleaving and is it possible to get it turned off to increase pings for gaming?

    What are the side effects of turning this off?

    There's no such thing as interleaving on a cable modem system.


  • #3
    CrazyRabbit
    Registered Users, Registered Users 2 Posts: 8,659 ✭✭✭CrazyRabbit


    Dark Nex wrote: »
    I've just heard that interleaving can result in a delay in latency and pings. Do UPC use interleaving and is it possible to get it turned off to increase pings for gaming?

    What are the side effects of turning this off?

    You're obsessed with pings dude! :D

    UPC don't do anything unusual with their network. (Edit: Other than DNS hijacking which directs mistyped url's to their search engine)


  • #4
    watty
    Registered Users, Registered Users 2 Posts: 32,417 ✭✭✭✭watty


    Cable uses DVB-c for downstream data and usually TDMA version of DOCSIS for upstream. The latency is generally very very low (<15ms), but latency can increase ( 30ms) if a lot of users are on one channel. Even when very busy the latency will be lower than typical interleaved DSL (70ms).

    Higher speed DSL where a lot of users are in one multipair cable has to use Interleaving. Sometimes all subscribers are switched to high Interleaved rather than examining each connection for crosstalk. On DSL even if you don't have interleaving it may need to be turned on later if the number of subscriber pairs in the multicore cable rises.

    Cable Broadband (DOCSIS) doesn't at all work like DSL.


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