[Standards] XEP-0047: IBB

Peter Saint-Andre stpeter at stpeter.im
Sun Feb 28 23:57:28 UTC 2010

On 2/23/10 11:03 AM, Fabio Forno wrote:
> Just got some doubts having several compatibility issues with block
> sizes in different implementations  (lampiro, some bots, pidgin). All
> the specs say about it is this sentence: "The data to be sent, prior
> to any wrapping in the <data/> element and IQ or message stanza, MUST
> NOT be larger than the 'block-size' determined in the bytestream
> negotiation."
> There is no indication whether:
> - the size is the one of the original data or the b64 encode one (for
> implementations it would easier if it were the non-encoded data)

I've always thought that the block-size limit applies to the
base64-encoded data.

> - if each block must be a valid b64 block, i.e. with padding at the
> end (again for implementation it be easier this solution, since we
> don't have to buffer incoming stanzas)



Peter Saint-Andre

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