An RPC framework providing client and server.
Features:
- RPC deadlines, both client- and server-side.
- Cascading cancellation (works with multiple hops).
- Configurable limits
- In-flight requests, both client and server-side.
- Server-side limit is per-connection.
- When the server reaches the in-flight request maximum, it returns a throttled error to the client.
- When the client reaches the in-flight request max, messages are buffered up to a configurable maximum, beyond which the requests are back-pressured.
- Server connections.
- Total and per-IP limits.
- When an incoming connection is accepted, if already at maximum, the connection is dropped.
- Transport agnostic.