Erlang distribution with redundant network

[Mikhail Pustovalov]

> Can you not do something with a virtual NIC at a lower layer? That is:
> somehow persuade the OS (which OS?) to aggregate the two links so it's
> transparent to Erlang/OTP (and everything else)?

Yes, this is possible, QNX supports that out of the box, but I wanted to
move it to a higher level for two reasons:
1. we might have to support Linux as well, so OS independent solution is
preferred;
2. we need to have detailed link monitoring available inside our Erlang app.


On Thu, 9 Apr 2020 at 15:25, Roger Lipscombe <roger@REDACTED> wrote:

> > The usage is obvious: assign one of the interfaces a primary role and use
> > it while it is up and automatically fall back to the secondary when it
> goes down.
> > Also I would naturally want to monitor both connections.
> > Does Erlang support this out of the box somehow? And if not are there
> > any reasonably mature 3rd party libraries available?
>
> Can you not do something with a virtual NIC at a lower layer? That is:
> somehow persuade the OS (which OS?) to aggregate the two links so it's
> transparent to Erlang/OTP (and everything else)?
>
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