Re: A proposal for Shared Dictionary Compression over HTTP


Attached please find the updated version of SDCH spec with proper license
language. It is added based on the feedback from other people. SDCH is
supported by Google Chrome and is used by Google web search and other
company like LinkIn. Yandex expresses interests in properly submit SDCH via
IETF.  Please let us know if you have any feedback on this. Thank you very

SDCH team, Google Inc.

On Mon, Sep 8, 2008 at 1:59 PM, Wei-Hsin Lee <> wrote:

> Hi,
> Over the last few weeks we've been experimenting with a way to get better
> compression for HTTP streams using a dictionary-based compression scheme,
> where a user agent obtains a site-specific dictionary that then allows
> pages on the site that have many common elements to be transmitted much
> more quickly.
> We have a paper that we wrote to describe this idea, which I have put
> online here:
> The specifics in the paper are just one possibility, we're not attached to
> the exact model described above. So far our experiments have been quite
> encouraging, so we'd love to work with other browser and server vendors to
> flesh this out. Is this something that anyone would be interested in? Your
> advices are very welcomed.
> Thank you,
> SDCH team, Google Inc.

Received on Tuesday, 7 June 2016 17:38:52 UTC