PPSP Tracker Protocol-Extended Protocol
draft-huang-ppsp-extended-tracker-protocol-06
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PPSP Rachel Huang
INTERNET-DRAFT Huawei
Intended Status: Standards Track Rui Cruz
Expires: January 5, 2015 Mario S. Nunes
INESC-ID/INOV
Joao P. Taveira
IST/INOV
Lingli Deng
China Mobile
July 4, 2014
PPSP Tracker Protocol-Extended Protocol
draft-huang-ppsp-extended-tracker-protocol-06
Abstract
This document specifies an extension to the PPSP Tracker Protocol -
Base Protocol, which complements the core messages of the protocol
with Request-Response enhancements and usages, and with a new
DISCONNECT Protocol-level message. These enhancements and usages are
related with the exchange of meta information between trackers and
peers, such as initial offer/request of participation in multimedia
content streaming, content information, peer lists, reports of
activity and status, and graceful disconnection from the network.
The extension is retro-compatible with the PPSP-TP Base Protocol.
Status of this Memo
This Internet-Draft is submitted to IETF in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that
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The list of Internet-Draft Shadow Directories can be accessed at
Huang, et al. Expires January 5, 2015 [Page 1]
INTERNET DRAFT PPSP-TP/1.1 July 4, 2014
http://www.ietf.org/shadow.html
Copyright and License Notice
Copyright (c) 2014 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
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include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Huang, et al. Expires January 5, 2015 [Page 2]
INTERNET DRAFT PPSP-TP/1.1 July 4, 2014
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 4
3. Motivation . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. Extended Tracker Protocol Overview . . . . . . . . . . . . . . 5
4.1. Request-Response Extension . . . . . . . . . . . . . . . . 5
4.2. Protocol-level Extension . . . . . . . . . . . . . . . . . 6
4.3. Usage of Extended Request Messages . . . . . . . . . . . . 6
4.4. Extended Tracker Transaction State Machine . . . . . . . . 7
4.4.1. Normal Operation . . . . . . . . . . . . . . . . . . . 8
4.4.2. Error Conditions . . . . . . . . . . . . . . . . . . . 9
5 Extended Tracker Protocol Specification . . . . . . . . . . . . 9
5.1. Request/Response Syntax and Format . . . . . . . . . . . . 9
5.3. Extended Request/Response Element in Request Messages . . . 11
5.4. Compatibility with the Base Tracker Protocol . . . . . . . 12
5.5. Negotiation of Chunk Addressing Methods . . . . . . . . . . 12
5.6. Request/Response Processing . . . . . . . . . . . . . . . . 13
5.6.1. Enhanced FIND Request . . . . . . . . . . . . . . . . . 13
5.6.2. Enhanced STAT_REPORT Request . . . . . . . . . . . . . 13
5.6.3. DISCONNECT Request . . . . . . . . . . . . . . . . . . 13
6. Error and Recovery Conditions . . . . . . . . . . . . . . . . . 14
7. Security Considerations . . . . . . . . . . . . . . . . . . . . 14
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