* Either the planning of the second request failed or
* BADCOOKIE received for the second time.
*
- * A TCP fall-back would be desirable. But, TCP is not
- * currently reliably supported in the resolver.
- * Therefore, the resolution just fails.
+ * RFC7873 5.3 says that TCP should be used. Currently
+ * we always expect that the server doesn't support TCP.
*/
qry->flags &= ~QUERY_BADCOOKIE_AGAIN;
return KNOT_STATE_FAIL;
- /*
- DEBUG_MSG(NULL, "%s\n", "falling back to TCP");
- qry->flags |= QUERY_TCP;
- */
}
return KNOT_STATE_CONSUME;