draft-ietf-tram-alpn-03.txt   draft-ietf-tram-alpn-04.txt 
TRAM P. Patil TRAM P. Patil
Internet-Draft T. Reddy Internet-Draft T. Reddy
Intended status: Standards Track G. Salgueiro Intended status: Standards Track G. Salgueiro
Expires: March 21, 2015 Cisco Expires: March 22, 2015 Cisco
M. Petit-Huguenin M. Petit-Huguenin
Impedance Mismatch Impedance Mismatch
September 17, 2014 September 18, 2014
Application Layer Protocol Negotiation (ALPN) labels for Session Application Layer Protocol Negotiation (ALPN) labels for Session
Traversal Utilities for NAT (STUN) and its Usages Traversal Utilities for NAT (STUN) and its Usages
draft-ietf-tram-alpn-03 draft-ietf-tram-alpn-04
Abstract Abstract
Application Layer Protocol Negotiation (ALPN) labels for Session Application Layer Protocol Negotiation (ALPN) labels for Session
Traversal Utilities for NAT (STUN) and its usages, such as Traversal Traversal Utilities for NAT (STUN) and its usages, such as Traversal
Using Relays around NAT (TURN) and NAT discovery, are defined in this Using Relays around NAT (TURN) and NAT discovery, are defined in this
document to allow an application layer negotiate STUN and its usages document to allow an application layer negotiate STUN and its usages
within the Transport Layer Security (TLS) connection. ALPN protocol within the Transport Layer Security (TLS) connection. ALPN protocol
identifiers defined in this document apply to both TLS and Datagram identifiers defined in this document apply to both TLS and Datagram
Transport Layer Security (DTLS). Transport Layer Security (DTLS).
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on March 21, 2015. This Internet-Draft will expire on March 22, 2015.
Copyright Notice Copyright Notice
Copyright (c) 2014 IETF Trust and the persons identified as the Copyright (c) 2014 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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3. ALPN Labels 3. ALPN Labels
The document proposes the following ALPN labels to identify the STUN The document proposes the following ALPN labels to identify the STUN
protocol [RFC5389] and its associated usages. protocol [RFC5389] and its associated usages.
'stun.turn': Label to identify the specific use of STUN over (D)TLS 'stun.turn': Label to identify the specific use of STUN over (D)TLS
for TURN [RFC5766]. for TURN [RFC5766].
'stun.nat-discovery': Label to identify the specific use of STUN 'stun.nat-discovery': Label to identify the specific use of STUN
over (D)TLS for NAT discovery. over (D)TLS for NAT discovery (Section 4.1 of [RFC7350]).
'stun': This label is used as a fallback for STUN usages that do not 'stun': This label is used as a fallback for STUN usages that do not
have a corresponding ALPN label. have a corresponding ALPN label.
This document does not explicitly assign ALPN labels for other usages This document does not explicitly assign ALPN labels for other usages
of STUN, such as NAT Behavior Discovery using STUN ([RFC5780]). All of STUN, such as NAT Behavior Discovery using STUN ([RFC5780]). All
such usages that do not have a dedicated label are implicitly such usages that do not have a dedicated label are implicitly
identified by the generic "stun" ALPN label. identified by the generic "stun" ALPN label.
4. IANA Considerations 4. IANA Considerations
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