Hi @.Boody
You can't deploy websocket server to vercel and you wouldn't want to, based on how their pricing works.
If your two peers are Servers with a public facing IP/Domain, you probably could switch to webhooks. Or if it is just one pair of peers and you're ok with not having realtime data, a pull/poll method might also a cheaper option than the following:
Otherwise, have a look at Pusher.com, Ably.com, soketi.app, ParyKit. The first two provide ws as a service, the last two give a kickstart to host the ws yourself.