[Standards] [XEP-0264] thumbnails: we should be able to transmit them with XEP-0234

Goffi goffi at goffi.org
Sat Feb 24 17:36:59 UTC 2018


Le samedi 24 février 2018, 18:25:26 CET Kim Alvefur a écrit :
> On Sat, Feb 24, 2018 at 09:12:30AM +0100, Goffi wrote:
> > currently thumbnails are transmitted using http(s) or BoB (XEP-0231).
> > But with resolutions we can have todays even on small screens, size of
> > images is growing. Transmitting them using BoB can block the
> > connection and is a useless waste of bandwidth.
> 
> What size thumbnails are we talking here? At what point does it become a
> problem to BoB them and what quality do people expect from thumbnails?

It 's not only the size, it's also the quantity. I'm thinking about a 
photos album, say you have 50 pictures/page and so 50 thumbnails, with 
XEP-0234 you can get all thumbnails out of band in the same session, with 
BoB you have to greatly increase the bandwith and number of requests.




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