Re: [Bloat] emulating non-duplex media in linux qdiscs

2017-10-15 Thread Michael Richardson
wrote: >> Saying that is half duplex, doesn't work for me. In their example of >> "half duplex", (using push to talk), it still means that everybody on >> that channel hears who is talking. "half duplex" to me, given the >> definition of duplex, means

Re: [Bloat] emulating non-duplex media in linux qdiscs

2017-10-10 Thread Luca Muscariello
Dave, If the objective is to run experiments with some emulated wifi I could suggest a workaround that we are using. It is not based on qdisc only. It is based on ns3 emulation and linux bridges. https://git.fd.io/cicn/tree/emu-radio/README.md?h=vicn/master The radio emulation piece includes

Re: [Bloat] emulating non-duplex media in linux qdiscs

2017-10-10 Thread erik.taraldsen
> wifi is not p2p, all data is broadcast to many potential recievers, > only one can transmit at one time. On the radio level that is true for the time being. That may change with 802.11ax, as MU-MIMO is set up to get an multiple sender version. OFDMA I believe. > Saying that is half

Re: [Bloat] emulating non-duplex media in linux qdiscs

2017-10-10 Thread Mikael Abrahamsson
On Mon, 9 Oct 2017, Dave Taht wrote: Saying that is half duplex, doesn't work for me. In their example of "half duplex", (using push to talk), it still means that everybody on that channel hears who is talking. "half duplex" to me, given the definition of duplex, means more that there is a

Re: [Bloat] emulating non-duplex media in linux qdiscs

2017-10-09 Thread Michael Richardson
Dave Taht wrote: > (Some people try to describe these as simplex (which is not true > because you can have multiple destinations), and they certainly are > not duplex, so I tend to say non-duplex and still hope some better > word emerges) semi-multiplex?

Re: [Bloat] emulating non-duplex media in linux qdiscs

2017-10-09 Thread Stephen Hemminger
On Sun, Oct 8, 2017 at 6:54 PM, Dave Taht wrote: > I have been hacking away at netem for a while now in the hope that > eventually - with a great deal more hacking - it could be used to more > accurately emulate shared media like wifi and lte. > > (Some people try to

Re: [Bloat] emulating non-duplex media in linux qdiscs

2017-10-09 Thread Andrew Shewmaker
On Mon, Oct 9, 2017 at 10:53 AM, Dave Taht wrote: > > writes: > > > Half duplex is the term you are looking for > > https://en.wikipedia.org/wiki/Duplex_(telecommunications) > > "A duplex communication system is a point-to-point system composed > of two

Re: [Bloat] emulating non-duplex media in linux qdiscs

2017-10-09 Thread Dave Taht
writes: > Half duplex is the term you are looking for > https://en.wikipedia.org/wiki/Duplex_(telecommunications) "A duplex communication system is a point-to-point system composed of two connected parties or devices that can communicate with one another in both

Re: [Bloat] emulating non-duplex media in linux qdiscs

2017-10-09 Thread Y
Interesting :) On 2017年10月09日 10:54, Dave Taht wrote: I have been hacking away at netem for a while now in the hope that eventually - with a great deal more hacking - it could be used to more accurately emulate shared media like wifi and lte. (Some people try to describe these as simplex

Re: [Bloat] emulating non-duplex media in linux qdiscs

2017-10-09 Thread erik.taraldsen
. Not sure if this solves your task though. -Erik Fra: Bloat <bloat-boun...@lists.bufferbloat.net> på vegne av Dave Taht <dave.t...@gmail.com> Sendt: 9. oktober 2017 03:54 Til: bloat Emne: [Bloat] emulating non-duplex media in linux qdiscs

[Bloat] emulating non-duplex media in linux qdiscs

2017-10-08 Thread Dave Taht
I have been hacking away at netem for a while now in the hope that eventually - with a great deal more hacking - it could be used to more accurately emulate shared media like wifi and lte. (Some people try to describe these as simplex (which is not true because you can have multiple