Re: [Linphone-users] Why Android (Oreo) phones, are actually less reliable with TCP vs. UDP

[Brian J. Murrell]

On Sat, 2019-03-30 at 11:10 -0400, Greg Troxel wrote:
> 
> The point I've been trying to make is that an "outage" of 10 minutes
> because the phone is doing power save is not really an outage, and
> loss
> recovery mechanisms are not designed to deal with this.

I'm not sure I see a phone power saving any different than a network
link between two routers suffering backhoe damage and needing hours or
days to repair.  TCP is supposed to survive that.

> It is an
> intentional loss of connectivity, and it's reasonable to treat it as
> such in the overall system design.

Sure.  But current SIP over TCP cannot handle it.  SIP over UDP handles
it just fine.

Cheers,
b.

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