I was wondering what the address book architecture is like and if it's possible to create new backends. For instance I'd quite like to have a go at a ldap address book or a kolab address book backend.

If their is no such thing in the current codebase as address book backends, would it be possible to move the existing database address book to a backend plugin backend style architecture? I might be willing to have a go at this, depending how much work is involved.

Currently you can use an LDAP addressbook. There is an option and settings for it. I'm not sure of how to use it, but you can.

There is nothing stopping you from creating your own flavor of addressbook architecture. Matter of fact, it was a hot-ticket item not long ago about scalability and just how to do it and make it compatible. So feel free to give it a shot and post what you get.

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