On 5/25/2017 1:09 PM, Brian E Carpenter wrote: >> We could even decide that "version 2" would start with [M_GRASP2, [stuff]] >> costing us perhaps two bytes, which is about the same as inserting a version >> would cost, but I'm still not convinced we'd ever need to do that. > You're right. If we had stuck to the original TLV model I would have agreed > that a version number is needed, but the nature of CBOR means that it > really isn't useful. Even the limit MESSAGE_TYPE = 0..255 in the syntax > isn't restrictive; a message type >255 or <0 would just kick back an M_INVALID > with old code, and would be happily accepted by new code, if we increased > the valid range. > > Brian AOK - thanks for the explanation. Joe
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