Re: what is acceptible jitter for voip and videoconferencing?

[Mark Andrews <marka () isc org>]

Telnet sessions where  often initiated from half duplex terminals.  Pushing that flow control across the network helped 
those users. 

-- 
Mark Andrews

> On 23 Sep 2023, at 06:25, Michael Thomas <mike () mtcc com> wrote:
>
> 
> > On 9/22/23 9:42 AM, Jay Hennigan wrote:
> > > On 9/21/23 17:04, Michael Thomas wrote:
> > >
> > > When I wrote my first implementation of telnet ages ago, i was both amused and annoyed about the go-ahead option. 
> > > Obviously patterned after audio meat-space protocols, but I was never convinced it wasn't a solution in search of a 
> > > problem. I wonder if CDMA was really an outgrowth of those protocols?
> >
> > Typically seen with half-duplex implementations, like "Over" in two-way radio. Still used in TTY/TDD as "GA".
> DId that ever actually occur over the internet such that telnet would need it? Half duplex seems to be pretty clearly 
> an L1/L2 problem. IIRC, it was something of a pain to implement.
>
> Mike