[zeromq-dev] Preferred Transport to Handle Lossy Networks?

Peter Krey krey at ripple.com
Mon Jun 1 21:47:48 CEST 2015

In this context of 1 to 1 transfer then yes I agree that UDT protocol will
best meet your needs.

On Mon, Jun 1, 2015 at 12:43 PM, Steven McCoy <steven.mccoy at miru.hk> wrote:

> On 1 June 2015 at 12:33, Peter Krey <krey at ripple.com> wrote:
>> Yes use the PGM or EPGM transport. If you want to use an additional layer
>> at the application level, you can implement your own resend logic with
>> message sequence numbers if your network is truely massively losing
>> messages.
> I think on wireless PGM is not a great idea unless you can implement a
> congestion control method that works, with tweaks for radio interference
> patterns.  PGM is 1-to-many, for 1-to-1 there are a plethora of options, my
> first choice excepted it not being implemented in 0MQ would be QUIC from
> Google, for long links it would be UDT.  For real lossy environments you
> may need UDP-Lite and possibly a one-way broadcast channel.
> I'm the developer of the PGM implementation, the project is currently on
> hiatus until I have a new use case for it.  Presently I only have need to
> 1-to-1 channels.
> --
> Steve-o
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