[zeromq-dev] Is UDP transport needed in ZeroMQ?

[Arnaud Loonstra]

On 12/31/2013 10:05 AM, Martin Sustrik wrote:
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> On 31/12/13 09:59, Wojtek Sliwinski wrote:
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>> For many industrial & control systems, UDP is the solution when we
>> talk about: - high frequency (>50Hz) messaging - scalability:
>> minimal load & use of resources on publisher's side - some messages
>> may be lost but usually the last one only counts
>
> There's an implication of message ordering in the last point, which is
> not guaranteed in UDP. You are probably looking for something like DCCP.
>
> Martin

Don't you mean SCTP? DCCP also does not do ordered delivery to my 
knowledge. Both SCTP and DCCP would be welcomed transports I guess, 
however they are only available on BSD & Linux. UDP on the other hand is 
available everywhere.

Rg,

Arnaud
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