To answer the original question in regards to the ISO, I'd say have a look at zsync. Wrt to delta debs the issue seems to be that the implementation will create a lot of diff between launchpad and debian, which would be difficult to maintain, hence we have no delta debs in ubuntu right now. On 19 Feb 2011 12:19, "Narendra Diwate" <[email protected]> wrote: > On Sat, Feb 19, 2011 at 9:39 AM, Ramnarayan.K <[email protected] >wrote: > >> On Sat, Feb 19, 2011 at 7:46 AM, Narendra Diwate < >> [email protected]> wrote: >> >>> >>> Also on topic, why isn't ubuntu moving to delta deb (i think that is what >>> it is called) where to update instead of downloading the whole package only >>> the difference is downloaded, the package is recreated using the old one and >>> the update done? I think Fedora uses it. Is this also possible with Debian >>> and how? >>> >>> >> isn't that what Linux Mint's rolling distribution is about - continuous >> package upgrades. >> > > > Rolling distro is where, there is no distro release as such but packages are > continually updated and so you can remain fully updated by doing small > incremental updates regularly. > > LinuxMint is not rolling, but the Debian Version (LMDE) is a Rolling Release > and that is what i now have on my system. > > A delta patch is just for each package, where you either have an older > version in your /Var cache or the package is installed in your system. Then > just the changed bits/files are downloaded and the whole package is > reconstructed and then installed instead of having to downloading th whole > package. E.g Openoffice base, instead of downloading the whole package, just > the changed files are downloaded and using the files already installed in > the system, the whole package is rebuilt/reconstructed. This brings down the > amount of data that needs to be downloaded drastically. > > Fedora has already implemented a similar system since i think Fedora 11. > There it is called delta RPM. > -- > Regards > > Narendra Diwate
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