Hello, XEP-0198 Stream Management relies on a stanza count that is being send as an acknowledgement that a certain amount of session data has been received (the 'h' value). The XEP does not specify what should happen if the acknowledgement is off - when the remote entity appears to acknowledge data that was never / not yet sent.
This situation was discussed briefly in the sidelines of the summit. Terminating the stream came up as the suggested way to handle such a situation. It is worth noting that such behavior is already allowable: "misuse of stream management MAY result in termination of the stream." (but this is not further specified in the XEP). I propose that the XEP is updated with an instruction to, upon detection of an invalid acknowledgement, terminate the stream with stream error. Thoughts? Guus
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