fn := authenticateNode
		b.ResetTimer()
		b.ReportAllocs()
		for i := 0; i < b.N; i++ {
			fn(creds.AccessKey, creds.SecretKey, "aud")
		}
	})
	b.Run("cached", func(b *testing.B) {
		fn := newCachedAuthToken()
		b.ResetTimer()
		b.ReportAllocs()
		for i := 0; i < b.N; i++ {
			fn("aud")
		}
	})

		if debugPrint {
			fmt.Printf("handler: Got Connect Req %+v\n", cReq)
		}
		writeErr(remote.handleIncoming(ctx, conn, cReq))
	}
}

// AuthFn should provide an authentication string for the given aud.
type AuthFn func(aud string) string

// Connection will return the connection for the specified host.
// If the host does not exist nil will be returned.
func (m *Manager) Connection(host string) *Connection {