Add note on using multiple Janus servers.

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Joachim Bauch 2020-08-07 11:47:10 +02:00
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@ -127,6 +127,31 @@ The maximum bandwidth per publishing stream can also be configured in the
section `[mcu]`, see properties `maxstreambitrate` and `maxscreenbitrate`.
### Use multiple Janus servers
To scale the setup and add high availability, a signaling server can connect to
one or multiple proxy servers that each provide access to a single Janus server.
For that, set the `type` key in section `[mcu]` to `proxy` and set `url` to a
space-separated list of URLs where a proxy server is running.
Each signaling server that connects to a proxy needs a unique token id and a
public / private RSA keypair. The token id must be configured as `token_id` in
section `[mcu]`, the path to the private key file as `token_key`.
### Setup of proxy server
The proxy server is built with the standard make command `make build` as
`bin/proxy` binary. Copy the `proxy.conf.in` as `proxy.conf` and edit section
`[tokens]` to the list of allowed token ids and filenames of the public keys
for each token id. See the comments in `proxy.conf.in` for other configuration
options.
When the proxy process receives a `SIGHUP` signal, the list of allowed token
ids / public keys is reloaded.
## Setup of frontend webserver
Usually the standalone signaling server is running behind a webserver that does