1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Overview
7 Messages and behaviours
     7.1 Messages and behaviours
     7.2 Buffer and buffermap
          7.1.1 Structure of a buffer
          7.1.2 Structure of a buffermap
A buffermap of a buffer represents the possession status of each fragment of a content within a downloading section. The possessed fragment is represented as one (1) and the fragment not yet possessed is represented as zero (0). The buffermap correspo...
     7.2 Messages
          7.2.1 HELLO
          7.2.2 PELLO
          7.2.3 REFRESH
          7.2.4 BUFFERMAP
          7.2.5 GET
          7.2.6 BUSY
          7.2.7 DATA
          7.2.8 CANCEL
          7.2.9 BYE
     7.3 Behaviour of peers
          7.3.1 Overview
          7.3.2 Peering phase
               7.3.2.1 Source peer
                    7.3.2.1.1 Connection establishment
                    7.3.2.1.2 Fragment transmission
                    7.3.2.1.3 Connection termination
               7.3.2.2 Client peer
                    7.3.2.2.1 Connection establishment
                    7.3.2.2.2 Fragment reception
                    7.3.2.2.3 Fragment transmission
                    7.3.2.2.4 Connection termination
          7.3.3 Updating phase
               7.3.3.1 Source peer
                    7.3.3.1.1 Index file distribution
                    7.3.3.1.2 Fragment transmission
               7.3.3.2 Corresponding peer
                    7.3.3.2.1 New version awareness
                    7.3.3.2.2 Index file reception
                    7.3.3.2.3 Index file transmission
Annex A  Consideration on web-based content distribution
     A.1 Overview
     A.2 Recommendation ITU-T X.609.7 over WebRTC
Bibliography