[nanomsg] Re: how is flow control done in nanomsg?
- From: "Jason E. Aten" <j.e.aten@xxxxxxxxx>
- To: nanomsg <nanomsg@xxxxxxxxxxxxx>
- Date: Sun, 14 Dec 2014 15:07:31 -0800
Cool. Thanks Garrett.
On Sun, Dec 14, 2014 at 3:03 PM, Garrett D'Amore <garrett@xxxxxxxxxx> wrote:
>
> Answer to your question is "yes". TCP takes care of it for you.
>
> Sent from my iPhone
>
> On Dec 14, 2014, at 5:52 PM, Jason E. Aten <j.e.aten@xxxxxxxxx> wrote:
>
> I was looking around for a description of what flow-control there is in
> nanomsg; having remembered words like high-water mark being used in
> ZeroMQ. I'm interested in knowing under what (if any) circumstances
> messages would be dropped on the floor.
>
> I did see this on http://nanomsg.org/documentation-zeromq.html:
>
> "nanomsg uses only TCP's (or equivalent's) buffers to store the data."
>
> Does this mean that there isn't any high-water mark concept in nanomsg?
> (This is probably a good thing, don't get me wrong :)
>
> The more general version of this question is: how can avoid data loss in
> the face of congestion? Does the TCP flow control mechanism serve me here?
>
> Thanks.
> Jason
>
>
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