[Standards] certification etc.

Richard Dobson richard at dobson-i.net
Wed Mar 28 01:34:55 UTC 2007

Rachel Blackman wrote:
>> One is that Basic defines things that are fundamental -- so far, that 
>> means stream-level stuff and service discovery. It seems to me that 
>> stream compression is a stream-level feature and thus it belongs in 
>> the Basic suite. Naturally you can do stream compression via TLS if it 
>> is supported in your SSL library. So it is preferred to handle stream 
>> compression that way. If your SSL library doesn't support the TLS bit 
>> for stream compression, file a bug report.
> To rephrase my earlier comment, I think stream compression can be a 
> recommended feature client-side, but should never be a required one.
> I DO think it should be a required one, server-side!  But for clients, 
> it's sort of redundant if you can support TLS.  With servers... well, if 
> the server doesn't support it, the client can't take advantage of it.  
> And if the client can't take advantage of it, there's going to be little 
> impetus to implement anything.  And I'm fine with it being a required 
> feature in the basic specification for servers, rather than 
> intermediate; it /is/ a stream level feature and may belong there.
> Either way, it definitely should be SOMEWHERE in the server 
> requirements, otherwise it's useless to the clients that /do/ need it.  
> I just think it's silly to require it for clients in general, when only 
> a few really need it; the vast majority of clients will be speaking TLS 
> (which I believe is *also* a server certification requirement, so the 
> servers will by definition support it!) and will never use the stream 
> compression.
> If it's required, heck, I'll support it, but I just think it's sort of 
> silly in the client spec, and clutters the requirements list. :)

Maybe to make things cleaner and easier to understand it would be better 
to have the suites to be completely separate for servers and clients, i.e.

XMPP Server Basic 2007
XMPP Client Basic 2007

rather than just:

XMPP Basic 2007


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