[DCCP]: Update Documentation

This patch just updates DCCP documentation a bit.
Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

Documentation/networking/dccp.txt

@@ -19,21 +19,17 @@ for real time and multimedia traffic.
 
 It has a base protocol and pluggable congestion control IDs (CCIDs).
 
-It is at draft RFC status and the homepage for DCCP as a protocol is at:
-	http://www.icir.org/kohler/dcp/
+It is at experimental RFC status and the homepage for DCCP as a protocol is at:
+	http://www.read.cs.ucla.edu/dccp/
 
 Missing features
 ================
 
 The DCCP implementation does not currently have all the features that are in
-the draft RFC.
+the RFC.
 
-In particular the following are missing:
-- CCID2 support
-- feature negotiation
-
-When testing against other implementations it appears that elapsed time
-options are not coded compliant to the specification.
+The known bugs are at:
+	http://linux-net.osdl.org/index.php/TODO#DCCP
 
 Socket options
 ==============
@@ -107,9 +103,6 @@ seq_window = 100
 Notes
 =====
 
-SELinux does not yet have support for DCCP. You will need to turn it off or
-else you will get EACCES.
-
-DCCP does not travel through NAT successfully at present. This is because
-the checksum covers the psuedo-header as per TCP and UDP. It should be
-relatively trivial to add Linux NAT support for DCCP.
+DCCP does not travel through NAT successfully at present on many boxes. This is
+because the checksum covers the psuedo-header as per TCP and UDP. Linux NAT
+support for DCCP has been added.