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RE: Remote UI BoF at IETF63

2005-07-04 06:05:19
Hi David,


Framebuffer-level protocols can be viewed as a special case 
of graphics-level
protocols where the drawing commands are restricted to 
bitblt-like commands.


Yes, it is possible to have a graphics-level protocol with a restricted 
functionality that is matching that of framebuffer-level protocol but the 
overhead and the software and hardware complexity required are to high.


Having the UI adapt to a look-and-feel appropriate to the 
client device
(and user's preferences) doesn't automatically imply that it has to be
the client that does this adaptation. The client could send 
the server a
description of the preferred L&F. The advantage of this is 
that it allows
clients to be much simpler, putting the complexity on the 
server which is
likely to have more memory, processing power, etc.


Yes, you are right. For some simple devices you can do the customisation on the 
server side in order to reduce the complexity, but in that case it is probably 
best to use a framebuffer-level protocol rather than a widget-level one; these 
simple clients typically don't have a windowing system/widget set anyway. 

The work proposed here is for advanced client devices that have their own 
windowing system and their own widget sets, i.e. desktop, laptop or tablet 
computers, PDAs or mobile phones. These devices have enough resources and the 
means to do the scaling and adaptation by themselves.

Vlad

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