On Fri, Feb 26, 2010 at 10:35, Fabio Forno <[email protected]> wrote: > On Fri, Feb 26, 2010 at 4:49 AM, Earlence Fernandes > <[email protected]> wrote: >> Hi Peter/Fabio, >> >> Thanks for those pointers. >> However, my idea is to use JSON as the data transfer medium while on the >> mobile network. >> Right now the idea is just in the initial stages, however, here is how it >> can work: >> >> the mobile based client initiates a connected to the server via a <Stream> >> element, with an ENHANCEMENT, >> namely an attribute specifying that it is a mobile client. >> The server notes this. Also, on the server is an XML-to-JSON gate module. >> After the server notes this, all subsequent communications FROM the server >> in encoded in JSON. >> The device also switches over to the use of JSON for all communication. >> >> The reason for this idea is according to studies on JSON performance, for >> all practicable purposes, >> it is close to binary encodings of similar nature >> (http://code.google.com/p/thrift-protobuf-compare/wiki/Benchmarking) >> >> As you have correctly mentioned, we need more implementations, but this is >> quite a radical approach >> and I feel intent on pursuing it with the help of others if it is a good >> idea. > > I see, nothing to do with the other optimizations. XML-to-JSON is > anything but simple, since JSON lacks namespaces and for an extensible > protocol like XMPP this is a big obstacle. Moreover if you introduce > namespaces I'm not sure that JSON will continue outperforming XML text > serialization. > Since the main step is finding a workable mapping, I think that you > could try discussing the subject on the BOSH mailing list, where > several people have already discussed about this type of mapping.
On the client, you would do only JSON, which might be better in terms of performance, but on the server, there would be an additionnal burden for this, that would surely undermine the global performances. -- Nicolas Vérité (Nÿco) mailto:[email protected] Jabber ID : xmpp:[email protected] http://linuxfr.org/ - http://fr.wikipedia.org/ - http://www.jabberfr.org/ http://xmpp.org - http://april.org/ - http://qsos.org/
