A proposal for SDshare push

Lars Marius Garshol has posted a proposal for a push form of SDshare to the topicmapmail mailing list. The need for this form of the protocol is explained in this blog posting. Thoughts and opinions on the design are very much welcome.

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Ontopia gets an SDshare implementation

A prototype server implementation of the SDshare protocol was added to the sandbox today. The implementation is not yet tested, and somewhat incomplete, but good enough to be tried out. The readme file has more details, plus build instructions.

This particular implementation of SDshare allows the contents of one topic map to be replicated into another topic map, potentially on a different server. One use case is to have one hub server build a merged topic map from SDshare streams from a number of upstream servers. Another is to transfer updates from a staging server to a production server. And so on.

The implementation is being written for two reasons. One is to learn SDshare. The other is because Bouvet is likely to get a project which will be based on SDshare, in which case using Ontopia for some of the SDshare servers is one of the options we are exploring. So work on the implementation is likely to continue.

Note that the implementation is so far an SDshare server only. There is no client for the time being.