[zeromq-dev] ZMQ 3.1 and jzmq compatibility

[Chuck Remes]

On Jan 31, 2012, at 8:42 AM, john skaller wrote:

> 
> On 01/02/2012, at 12:52 AM, Staffan Gimåker wrote:
> 
>> Not sure that it's fixable, since AFAIK there's no way (?) to detect the
>> ZeroMQ version being used on the other side.
> 
> Just an idea, is it possible in 3.1 to add the protocol version to the messages?
> Like say:
> 
> \0xE5\0x31 [rest of message]
> 
> where 31 is the protocol version and E5 is a fixed sync byte?
> That would actually enable the above feature (if missing, probably 2.1)?

You should look at the existing proposals for the wire protocol.

http://rfc.zeromq.org/

Check out specs 13 and 15.

If we start mucking with the wire protocol, then we should start from a known and good foundation.

cr