[Kolab-devel] Thoughts on Caching for Integrated Apps

[Gunnar Wrobel]

Zitat von "Jeroen van Meeuwen (Kolab Systems)" <vanmeeuwen at kolabsys.com>:

> Gunnar Wrobel wrote:
>> Hi Jeroen,
>>
>> Zitat von "Jeroen van Meeuwen (Kolab Systems)" <vanmeeuwen at kolabsys.com>:
>> > Hello there,
>> >
>> > I figured some of you may have a level of interest in;
>> >
>> >   http://planet.ergo-project.org/blog/jmeeuwen/2011/04/16/thoughts-kolab-
>> >
>> > and-3rd-party-application-caching
>>
>> All of the suggestions would mean we would move away from the IMAP
>> protocol. And that would severely limit the options that you have when
>> it comes to choosing the backend. Right now it can be any IMAP server
>> and I consider that very important.
>>
>
> The statement on "moving away from IMAP" is only partly true; what the second
> access protocol to the IMAP mailbox store would allow a program to do is
> correlative querying - way more efficient then iterating the  
> database contents
> through the IMAP protocol.

I did indeed misinterpret your post as the caching part would of  
course not be mandatory and "plain" IMAP would always be available as  
a fallback. Thanks for the clarification.

Cheers,

Gunnar

>
> The alternative is to implement a cache on the "client"-side -e.g. the third
> party server application, which becomes rather expensive very quickly.
>
> For example, a CalDAV server sitting on top of the Cyrus IMAP mailbox store
> would do the exact same thing; the folders with event folder-type annotations
> would be parsed, giving the (real) client a CalDAV protocol interface to
> speak.
>
> Kind regards,
>
> Jeroen van Meeuwen
>
> --
> Senior Engineer, Kolab Systems AG
>
> e: vanmeeuwen at kolabsys.com
> t: +44 144 340 9500
> m: +44 74 2516 3817
> w: http://www.kolabsys.com
>
> pgp: 9342 BF08
>



--
Gunnar Wrobel
Developer, Kolab Systems AG

e: wrobel at kolabsys.com
t: +49 700 6245 0000
w: http://www.kolabsys.com

pgp: 9703 43BE

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