1. akvarile's Avatar
    Hello, I'm planing to buy Q10 but I want to be clear - does BIS still compress BBM messages on BB10? I read some aricles about that but I'm not sure that it is true...
    08-19-13 09:11 AM
  2. howarmat's Avatar
    I don't think It does anymore.
    08-19-13 09:18 AM
  3. akvarile's Avatar
    08-19-13 09:22 AM
  4. sarmod's Avatar
    Bb10 don't support BIS any more

    Posted via CB10
    08-19-13 09:50 AM
  5. sbx9900's Avatar
    the article says that BB10 still compresses BBM...however, BBM's, just being tiny bits of data, don't need compressing anyway....
    08-19-13 10:00 AM
  6. walcolm's Avatar
    Bb10 don't support BIS any more

    Posted via CB10
    define support?

    as explained in the linked article above, BB10 devices can run on BIS plans but only BBM gets to use the blackberry compression system and that doesn't add up to a lot of savings in data. other services like social media, browsing etc eat up your data as much as on any other mobile platform

    so the answer is simple, if you choose to subscribe to a BIS plan (provided your network service provider has not taken specific steps to block BB10 devices from making use of BIS data on their network), your BB10 will work just fine.

    on the plus side, you wont experience the slow data pace that is native to legacy BB devices that can only run on BIS and everything gets to pass through the NOC.
    08-19-13 10:04 AM
  7. akvarile's Avatar
    Thanks guys !
    08-19-13 11:14 AM
  8. akvarile's Avatar
    the article says that BB10 still compresses BBM...however, BBM's, just being tiny bits of data, don't need compressing anyway....
    And do you know how much approximately data BBM uses when roaming?
    08-19-13 11:23 AM
  9. Richard Buckley's Avatar
    As more and more sites are going to ubiquidous encryption (Google, Facebook, Twitter, etc) the ability of any intermediary to reduce bandwidth usage by compressing the stream is greatly reduced. Encrypted data doesn't compress. The vast majority of web assets (images, video, audio) are already very compressed. Compression of web data by servers is becomming more and more common, but this only really compresses the HTML and CSS which represent a fairly small part of bandwith used.

    The real impact that BIS had was from two features. All images were resized on the fly so that only an image just large enough to occuply the portion of the screen the image fit in. This is why you had the option (or were required to, depending on how you look at it) to download the full image of any pictures on web pages if you zoomed into them. An image that is half the size of the original uses a quarter of the data, one a quarter size of the original uses 1/16th of the data, etc. Messages were downloaded in chunks of 2KB. Remember the auto more option? With a more modern and capable platform like BB10 and faster wireless speeds these features become less valuable, but with increasing richness of web sites they become more expensive to provide.

    Many of the limitations of BBOS devices were as a result of BIS/BES. If BlackBerry made a BBOS 7.1 device with 16GB of memory and LTE radios you would not see an improvement in download speeds. If you really need to use BIS compression to reduce your data usage while roaming you should use a legacy BBOS device. If a legacy BBOS device no longer satisfies your needs from a mobile device, then a BB10 device using BIS would not either.
    08-19-13 07:18 PM

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