Merge pull request #238 from quicwg/mirjak-patch-23

what if all path are stand-by?

draft-ietf-quic-multipath.md

@@ -330,8 +330,10 @@ PATH_STATUS frame describes 2 kinds of path states:
 Endpoints use Destination Connection ID Sequence Number field
 in PATH_STATUS frame to identify which path state is going to be
 changed. Notice that PATH_STATUS frame
-can be sent via a different path. An Endpoint MAY ignore the PATH_STATUS frame
-if it would make all the paths unavailable in a single connection.
+can be sent via a different path.
+
+If all available path are marked as "standby", no guidance is provided about
+which path should be used preferably.
 
 
 ## Path Close