--- 1/draft-ietf-dime-nat-control-16.txt	2012-04-23 04:14:32.638672898 +0200
+++ 2/draft-ietf-dime-nat-control-17.txt	2012-04-23 04:14:32.746670863 +0200
@@ -2,21 +2,21 @@
 Internet Engineering Task Force                             F. Brockners
 Internet-Draft                                               S. Bhandari
 Intended status: Standards Track                                   Cisco
 Expires: October 22, 2012                                       V. Singh
 
                                                               V. Fajardo
                                                   Telcordia Technologies
                                                           April 20, 2012
 
    Diameter Network Address and Port Translation Control Application
-                     draft-ietf-dime-nat-control-16
+                     draft-ietf-dime-nat-control-17
 
 Abstract
 
    This document describes the framework, messages, and procedures for
    the Diameter Network address and port translation Control
    Application.  This Diameter application allows per endpoint control
    of Network Address Translators and Network Address and Port
    Translators, which are added to networks to cope with IPv4-address
    space depletion.  This Diameter application allows external devices
    to configure and manage a Network Address Translator device -
@@ -136,21 +136,21 @@
    13. Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
      13.1. DNCA Session Establishment Example . . . . . . . . . . . . 48
      13.2. DNCA Session Update with Port Style Example  . . . . . . . 51
      13.3. DNCA Session Query Example . . . . . . . . . . . . . . . . 52
      13.4. DNCA Session Termination Example . . . . . . . . . . . . . 53
    14. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 56
    15. Change History (to be removed prior to publication as an
        RFC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
    16. References . . . . . . . . . . . . . . . . . . . . . . . . . . 60
      16.1. Normative References . . . . . . . . . . . . . . . . . . . 60
-     16.2. Informative References . . . . . . . . . . . . . . . . . . 60
+     16.2. Informative References . . . . . . . . . . . . . . . . . . 61
    Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 62
 
 1.  Introduction
 
    Internet service providers deploy Network Address Translators (NATs)
    and Network Address and Port Translators (NAPTs) [RFC3022] in their
    networks.  A key motivation for doing so is the depletion of
    available public IPv4 addresses.  This document defines a Diameter
    application allowing providers to control the behavior of NAT and
    NAPT devices that implement IPv4-to-IPv4 network address and port
@@ -1680,21 +1680,24 @@
                                  [ Protocol ]
                                  [ Direction ]
                                  [ NAT-External-Address ]
                                  [ Session-Id ]
                                * [ AVP ]
 
 8.7.5.  NAT-Internal-Address AVP
 
    The NAT-Internal-Address AVP (AVP code TBD.AX) is of type Grouped.
    It describes the internal IP-address and port for a binding.  Framed-
-   IPV6-Prefix and Framed-IP-Address AVPs are mutually exclusive.
+   IPV6-Prefix and Framed-IP-Address AVPs are mutually exclusive.  The
+   endpoint identifier Framed-IP-Address, Framed-IPv6-Prefix and the
+   internal address in this NAT-Internal-Address AVP to install NAT-
+   bindings for the session MUST match.
 
    AVP format:
 
      NAT-Internal-Address ::= < AVP Header: TBD.AX >
                                [ Framed-IP-Address ]
                                [ Framed-IPv6-Prefix ]
                                [ Port]
                              * [ AVP ]
 
 8.7.6.  NAT-External-Address AVP
@@ -2620,20 +2623,26 @@
        configuring the NAT-device.
 
    b.  Added NAT-device state cleanup in case of unexpected/unplanned
        termination of Diameter session or application either on NAT-
        controller or NAT-device.
 
    c.  Added MAX_BINDINGS_SET_FAILURE failure case (for those scenarios
        where the maximum number of bindings cannot be set by the
        controller)
 
+   Change from -16 to -17
+
+   a.  Clarified that the endpoint identifier Framed-IP-Address and the
+       internal address in NAT-Internal-Address specified to install
+       NAT-bindings for the session MUST match.
+
 16.  References
 
 16.1.  Normative References
 
    [ETSIES283034]
               ETSI, "Telecommunications and Internet Converged Services
               and Protocols for Advanced Networks (TISPAN),Network
               Attachment Sub-System (NASS),e4 interface based on the
               Diameter protocol.", September 2008.