Re: Multipeer Networking for groups > 8?
Re: Multipeer Networking for groups > 8?
- Subject: Re: Multipeer Networking for groups > 8?
- From: Jens Alfke <email@hidden>
- Date: Mon, 10 Jul 2017 11:19:41 -0700
> On Jul 10, 2017, at 9:09 AM, David Hoerl <email@hidden> wrote:
>
> Can anyone suggest some open source project that supports say up to 25?
I’m interested in this too, so if you get any offline replies or find something
on your own, please report back here!
> I did find https://github.com/jdiehl/async-network
> <https://github.com/jdiehl/async-network>, but it appears its a datagram
> service only. Still, it might be made to work with a roll-your-own end to end
> protocol.
Doing reliable messaging over UDP is tricky, but it can be done. There are a
number of protocols/libraries that provide that now, including WebRTC.
I’m guessing that AsyncNetwork broadcasts by sending to a UDP multicast
address. Now, back in the olden days (~2002-2004) Stuart Cheshire cautioned me
that sending too many multicast packets over WiFi would cripple network
performance, because the base station drops down to a very low-bandwidth mode
to ensure all the clients receive the packet. So it was actually faster to send
a separate unicast packet to each subscriber. I have no idea whether this is
still true.
—Jens
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