Brad Fitzpatrick 4732722b87 derp: add frameClosePeer to move around clients within a region ... For various reasons (mostly during rollouts or config changes on our side), nodes may end up connecting to a fallback DERP node in a region, rather than the primary one we tell them about in the DERP map. Connecting to the "wrong" node is fine, but it's in our best interest for all nodes in a domain to connect to the same node, to reduce intra-region packet forwarding. This adds a privileged frame type used by the control system that can kick off a client connection when they're connected to the wrong node in a region. Then they hopefully reconnect immediately to the correct location. (If not, we can leave them alone and stop closing them.) Updates tailscale/corp#372		2020-06-25 09:33:10 -07:00
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derphttp	derp: add frameClosePeer to move around clients within a region	2020-06-25 09:33:10 -07:00
derpmap	all: make client use server-provided DERP map, add DERP region support	2020-05-23 22:31:59 -07:00
derp_client.go	derp: add frameClosePeer to move around clients within a region	2020-06-25 09:33:10 -07:00
derp_server.go	derp: add frameClosePeer to move around clients within a region	2020-06-25 09:33:10 -07:00
derp_test.go	derp: reduce DERP memory use; don't require callers to pass in memory to use	2020-06-15 10:26:50 -07:00
derp.go	derp: add frameClosePeer to move around clients within a region	2020-06-25 09:33:10 -07:00