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- ゆきさ かたづ
- 8 years ago
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Transcription
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3 (SNI) MAC ARP IPv IPv IPv ICMPv IPv IPv IPv ICMPv NDP
4 (SNI) SNI A DNS...23 B NTP
5 (SNI) (1) HGW HGW () (2) IP IP IP (3) (4) (UNI: User-Network Interface) (5) (SNI: Application Server-Network Interface) (6) NNI: Network-Network Interface (7) 3GPP (3rd Generation Partnership Project) 3 (8) EIA (Electronic Industries Alliance) (9) Ethernet CSMACD (Carrier Sense Multiple Access with Collision Detection) (10) ETSI(European Telecommunications Standards Institute) TISPAN (NGN) 3
6 (SNI) 1.0 (11) IEC (International Electrotechnical Commission) 1947 ISO (12) IEEEInstitute of Electrical and Electronics Engineers 1884 LAN (13) IETF (Internet Engineering Task Force) RFC (14) IMSIP Multimedia Subsystem 3GPP IP ITU-T TISPAN (15) IP (Internet Protocol) IP 4 (IPv4) 6 (IPv6) (16) IPv4 32 IPv4 (17) IPv6 128 IPv6 (18) IP IPv4 IPv6 IP (19) IP IP IP (20) ISO (International Organization for Standardization)
7 (SNI) 1.0 (21) ITU-T (International Telecommunication Union-Telecommunication standardization sector) (22) OSI (Open Systems Interconnection) ISO (23) RFC (Request For Comments) TCPIP IETF (24) RTP (Real-time Transport Protocol) IP (25) SDP (Session Description Protocol) (26) SIP (Session Initiation Protocol) IP (27) TIA (Telecommunications Industry Association) USTSA(United States Telephone Suppliers Association) EIA (28) TCP (Transmission Control Protocol) (29) UDP (User Datagram Protocol) 5
8 (SNI) [1] IETF RFC768 (08/1980): User Datagram Protocol [2] IETF RFC791 (09/1981): Internet Protocol [3] IETF RFC792 (09/1981): Internet Control Message Protocol [4] IETF RFC793 (09/1981): Transmission Control Protocol [5] IETF RFC826 (11/1982): An Ethernet Address Resolution Protocol or Converting Network Protocol Address to 48bit Ethernet Address for Transmission on Ethernet Hardware [6] IETF RFC1034 (11/1987): Domain Names Concepts and Facilities [7] IETF RFC1035 (11/1987): Domain Names Implementation and Specification [8] IETF RFC1123 (10/1989): Requirements for Internet Hosts Application and Support [9] IETF RFC1305 (03/1992): Network Time Protocol (Version 3) Specification, Implementation and Analysis [10] IETF RFC1700 (10/1994): Assigned Numbers [11] IETF RFC2181 (07/1997): Clarifications to the DNS Specification [12] TTC JF-IETF-RFC2327 (06/2005): SDP: [13] IETF RFC2460 (12/1998): Internet Protocol, Version 6 (IPv6) Specification [14] IETF RFC2461 (12/1998): Neighbor Discovery for IP Version 6 (IPv6) [15] IETF RFC2463 (12/1998): Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification [16] IETF RFC2474 (12/1998): Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers [17] IETF RFC2597 (06/1999) Assured Forwarding PHB Group [18] IETF RFC2671 (08/1999): Extension Mechanisms for DNS (EDNS0) [19] IETF RFC2782 (02/2000): A DNS RR for specifying the location of services (DNS SRV) [20] IETF RFC3246 (03/2002): An Expedited Forwarding PHB (Per-Hop Behavior) [21] TTC JF-IETF-RFC3261 (06/2005): SIP: [22] IETF RFC3596 (10/2003): DNS Extensions to Support IP Version 6 [23] IETF RFC4330 (01/2006): Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI [24] ITU-T Recommendation Y.2001 (12/2004): General Overview of NGN [25] ITU-T Recommendation Y.1540 (12/2002): Internet protocol data communication service - IP packet transfer and availability performance parameters [26] ITU-T Recommendation Y.1221 (03/2002):Traffic control and congestion control in IP-based networks [27] ETSI TR (03/2006): Release1 Definition [28] IEEE Std (12/2005): Information technology - Telecommunications and information exchange between systems - Local and metropolitan are networks - Specific requirements - Part 3: Carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer specifications - Media Access Control Parameters, Physical Layers and Management Parameters for subscriber access networks [29] JIS JIS C5973 F04 [30] ISO/IEC 8877:1992 (12/1992): Information technology - Telecommunications and information exchange between systems - Interface connector and contact assignments for ISDN Basic Access Interface located at reference points S and T [31] IETF RFC2308 (03/1998): Negative Caching of DNS Queries (DNS NCACHE) [32] TTC TR-1014 (06/2006): NGN 6
9 (SNI) IP SNIUNI IP VoD IP SNI IP VoD UNI IP ISP NNI SNI : Application Server erver-network etworkinterface NNI : etwork-network etworkinterface UNI : User ser-network etworkinterface 3-1: 3-1 7
10 (SNI) : Diffserv PHB[17][20][16] EF AF AF Default () IPv4 IPv6 IPv6 ITU-T [24] [32] IMS 8
11 (SNI) IP (SNI) 4-1 RJ-45 SNI SC SNI 4-1: 9
12 (SNI)
13 (SNI) OSI 4-1 IPv4 IPv NTP/SNTP : RFC1305[9] RFC4330[23] DNS : RFC1034[6] RFC1035[7] RFC1123[8] RFC2181[11] RFC2308[31] RFC2671[18] RFC2782[19] RFC3596[22] SIPSDPRTPRTCPRTSPHTTPFTP 1 RTP 2 4 TCP : RFC793[4] UDP : RFC768[1] 3 IPv4 : RFC791[2] RFC2474[16] ICMPv4: RFC792[3] 2 ARP: RFC826[5] IPv6 : RFC2460[13] RFC2474[16] ICMPv6 RFC2463[15] NDP : RFC2461[14] UDP : RFC768[1] IPv6 : RFC2460[13] RFC2474[16] ICMPv6 : RFC2463[15] MAC: IEEE [28] 1 100BASE-TX : IEEE [28] 1000BASE-T : IEEE [28] 1000BASE-LX : IEEE [28] 1000BASE-SX: IEEE [28] 1 IP SNI 2 IP SNI 11
14 (SNI) IEEE 802.3[28] 100BASE-TX 1000BASE-T1000BASE-SX 1000BASE-LX 100BASE Full Duplex 1000BASE (Auto Negotiation) Full Duplex BASE-TX 1000BASE-T ISO8877[30] 8 RJ-45 RJ RJ BASE-TX 1000BASE-T 1 TD(+) TP1+ 2 TD() TP1 3 RD(+) TP0+ 4 TP3+ 5 TP3 6 RD() TP0 7 TP2+ 8 TP2 5-1 RJ-45 12
15 (SNI) BASE-SX 1000BASE-LX JIS C5973 F04[29] SC BASE-SX/LX 5-1: 1000BASE-SXLX 1000BASE-SX 1000BASE-LX GBd ppm nm dbm dbm dbm dbm db B/10B RJ45 100BASE-TX 2 ()1000BASE-T 4 (UTP)CAT5 UTP 1000BASE-SX 1000BASE-LX JIS C5973 F04[29] SC MAC IEEE 802.3[28] MAC 5-2 IEEE MAC
16 (SNI) 1.0 SFD 1 MAC 6 MAC FCS 4 5-2:IEEE MAC E5DC 0800 Internet IP(IPv4) 0806 Address Resolution Protocol(ARP) 86DD IP version 6(IPv6) ARP 3 IPv4 RFC 826[5] ARP 5-3 ARP HLEN PLEN MAC MAC IP IP MAC MAC IP HLENMAC 6 PLENIP 4 5-3ARP IPv4 IPv6 3 IPv4 IPv6 3 IPv6 14
17 (SNI) 1.0 IPv4 ICMPv4 IPv6 ICMPv6 BGP IPv4 3 1 IPv4 IPv4 RFC791[2]IP DSCP TTL IP IP IPv4 IPv4 RFC791[2] RFC1700[10] D /4 E /4 IPv4 IPv4 IPv IPv4 5-4 IPv4 5-5 IPv4 DSCP RFC2474[16] IPv4 5-3 IPv Version IHL Type Of Service Total Length 15
18 (SNI) 1.0 Identification Time To Live(TTL) Flags Protocol Source Address IPv4 Destination Address IPv4 Options Data Fragment Offset Header Checksum Padding 5-4IPv4 DSCP DSCP ICMP Internet Control Message Protocol 6 TCP Transmission Control Protocol 17 UDP User Datagram Protocol ICMPv4 IPv4 RFC792[3] ICMPv4 ICMPv4 ICMPv4 ICMPv4 5-6 ICMPv4 5-4 ICMPv4 16
19 (SNI) ICMP (ICMP Type) (CODE) (Checksum) ICMP (ICMP Data) 5-6ICMPv4 5-4ICMPv4 0 Echo Reply 3 Destination Unreachable 4 Source Quench 5 Redirect 8 Echo Request 11 Time Exceeded for Datagram 12 Parameter Problem on Datagram IPv6 3 1 IPv6 IPv6 RFC2460[13]IP DSCP IP IP IPv6 IPv6 IPv IPv6 5-7 IPv6 5-8 IPv6 DSCP RFC2474[16] IPv6 17
20 (SNI) IPv6 IPv6 IP (4) (8) (20) (16) (8) (8) IPv6 (128) IPv6 (128) 5-7IPv6 DSCP DSCP TCP 17 UDP 58 ICMPv6 18
21 (SNI) ICMPv6 IPv6 RFC2463[15] ICMPv6 ICMPv6 ICMPv6 ICMPv6 5-9 ICMPv ICMP (8) (8) (16) () 5-9ICMPv6 5-6 ICMPv6 128 Echo Request 129 Echo Reply 133 Router Solicitation 134 Router Advertisement 135 Neighbor Solicitation NDP 136 Neighbor Advertisement 5-7 ICMPv6 1 Destination Unreachable 2 Packet too Big 3 Time Exceeded 4 Parameter Problem 19
22 (SNI) NDP IPv6 Neighbor Discovery NDP NDP RFC2461[14] 5.4 RFC793[4] TCP RFC768[1] UDP TCP UDP UDP 5.5 IPv6 DNSNTP DNS ANTP B 20
23 (SNI) TTC JF-IETF-RFC2327[12] SDP SDP IP TTC JF-IETF-RFC3261[21] SIP (1) IPv4 DSCP DSCP 6-1 (IPv4) DSCP 6-1DSCP (IPv4) (2) IPv6 DSCP DSCP
24 (SNI) 1.0 (IPv6) DSCP 6-2DSCP (IPv6) SNI SNI (1) SNI ITU-T Y.1221 [26] Appendix 1 (2) 22
25 (SNI) 1.0 A DNS IPv6 DNS DNS A-1 A-1DNS L5 RFC1034[6] Domain names concepts and facilities DNS RFC1035[7] Domain names implementation and DNS specification RFC1123[8] Requirements for Internet Hosts DNS Application and Support RFC2181[11] Clarifications to the DNS Specification DNS RFC2308[31] Negative Caching of DNS Queries (DNS NCACHE) RFC2671[18] Extension Mechanisms for DNS DNS DNS (EDNS0) RFC2782[19] A DNS RR for specifying the location of services SRV RFC3596[22] DNS Extensions to Support IP Version IPv6 6 23
26 (SNI) 1.0 B NTP IPv6 NTP NTP B-1 B-1NTP L4 RFC1305[9] Network Time Protocol (Version 3) Specification, Implementation and Analysis RFC4330[23] Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI NTPv3 SNTPv4 24
27
28 1 () SIP SIP-UA SDP SDP SIP A TTC TR A.1 TR
29 1 () 1.0 B RTPRTCP...25 B.1 RTP B.1.1 RTP B B B B B B SSRC...27 B B B UDP...27 B.1.2 RTP B.2 RTCP B.2.1 RTCP B.2.2 RTCP B.2.3 RTCP B.2.4 UDP B.2.5 RTCP C...30 C C C.2.1 SIP-UA C C C C i
30 1 () UNI SNI IP VoD SNI UNI SNI : Application Server erver-network etwork Interface UNI : User ser-network etwork Interface 1.2. SNI 4 1 IPv4UDP/IPv6UDP SDP b= 3
31 1 () IPv4TCP/UDP/IPv6TCP/UDP SDP b= 3 IPv4TCP/UDP/IPv6TCP/UDP SDP b= 4 IPv6TCP/UDP IP SNI 4
32 1 () [1] ITU-T Recommendation G.711 (11/1988): PULSE CODE MODULATION (PCM) OF VOICE FREQUENCIES [2] TTC JT-G711v4 (04/2001): PCM [3] TTC TS-1008 v1 (06/2005): SIP [4] TTC TS-1009 v1.0 (08/2005): SIP SDP MPEG4-Visual [5] TTC TR-9022 v2.0 (12/2006): NGN ID [6] TTC TR-9024 v2.0 (12/2006): NGN SIP [7] IETF RFC768 (08/1980): User Datagram Protocol [8] IETF RFC793 (09/1981): Transmission Control Protocol [9] IETF RFC2326 (04/1998): Real Time Streaming Protocol (RTSP) [10] IETF RFC2616 (06/1999): Hypertext Transfer Protocol HTTP/1.1 [11] IETF RFC4733 (12/2006): RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals [12] IETF RFC3016 (11/2000): RTP Payload Format for MPEG-4 Audio/Visual Streams [13] TTC JF-IETF-RFC3261 (06/2005): SIP: [14] TTC JF-IETF-RFC3262 (06/2005): SIP [15] TTC JF-IETF-RFC3264 (06/2005): SDP [16] TTC JF-IETF-RFC3311 (06/2005): SIPUPDATE [17] TTC JF-IETF-RFC3323 (06/2005): SIP [18] TTC JF-IETF-RFC3324 (06/2005): ID [19] TTC JF-IETF-RFC3325 (06/2005): ID SIP [20] TTC JF-IETF-RFC3327 (03/2007): (SIP) [21] TTC JF-IETF-RFC3428 (09/2006): SIP [22] TTC JF-IETF-RFC3455 (03/2007): 3GPP SIP P-Header [23] TTC JF-IETF-STD64 (06/2005): RTP: [24] TTC JF-IETF-STD65 (06/2005): RTP [25] TTC JF-IETF-RFC3608 (03/2007): SIP [26] TTC JF-IETF-RFC3966 (06/2005): tel URI [27] IETF RFC3984 (02/2005): RTP Payload Format for H.264 Video [28] TTC JF-IETF-RFC4028 (08/2005): SIP [29] TTC JF-IETF-RFC4145 (03/2007): SDP TCP [30] TTC JF-IETF-RFC4566 (03/2007): SDP: [31] 3GPP TS V7.2.0 (12/2005): IP multimedia control protocol based on Session Initiation 5
33 1 () 1.0 Protocol (SIP) and Session Description Protocol (SDP); Stage 3 (Release 7) [32] 3GPP TS V6.7.0 (06/2007): End-to-end Quality of Service (QoS) Signalling flows (Release 6) [33] TTC JT-G722v2.2 (06/2004): 64kbit/s 7kHz [34] TTC JT-H264 v2(08/2006): [35] IP UNI 1 [36] TTC JF-IETF-RFC4715 (03/2007): tel URI ISDN [37] IETF draft-ietf-sipping-race-examples-04 (08/2007): Examples call flow in race condition on Session Initiation Protocol [38] IETF draft-ietf-sip-acr-code-05 (07/2007): Rejecting Anonymous Requests in the Session Initiation Protocol (SIP) [39] ISO (06/2004): Information Technology Coding of audio-visual objects Part 2: Visual [40] ISO (12/2005): Information Technology Coding of audio-visual objects Part 3: Audio [41] ITU-T Recommendation H.281 (11/1994): A FAR END CAMERA CONTROL PROTOCOL FOR VIDEOCONFERENCES USING H.224 [42] IETF RFC4573 (07/2006): MIME Type Registration for RTP Payload Format H.224 [43] IETF draft-ietf-avt-rtp-uemclip-00 (05/2007): RTP payload format for UEMCLIP speech codec [44] IPTV IPTV 1.0 (04/2007): IPTV 6
34 1 () IP SNI OSI UDP RFC768[7] 1 SIP TTC JF-IETF-RFC3261[13] TTC JF-IETF-RFC3262[14] TTC JF-IETF-RFC3311[16] TTC JF-IETF-RFC3323[17] TTC JF-IETF-RFC3324[18] TTC JF-IETF-RFC3325[19] TTC JF-IETF-RFC3327[20] TTC JF-IETF-RFC3428[21] TTC JF-IETF-RFC3455[22] TTC JF-IETF-RFC3608[25] TTC JF-IETF-RFC3966[26] TTC JF-IETF-RFC4028[28] TTC JF-IETF-RFC4715[36] TTC TS-1008[3] TTC TS-1009[4] TTC TR-9022[5] TTC TR-9024[6] 3GPP TS24.229[31] draft-ietf-sipping-race-examples- 04 [37] draft-ietf-sip-acr-code-05[38] SDP TTC JF-IETF-RFC4566[30] TTC JF-IETF-RFC3264[15] TTC JF-IETF-RFC4145[29] 3GPP TS29.208[32] RTP G.711 µ-law[1][2] DTMF[11] G.722[33] MPEG4-visual[4][12][39] H.264[27][34] UEMCLIP[43] MP4A-LATM[12][40] TTS[44] 1Dparityfec[44] FECC[41][42] RTPRTCP TTC JF-IETF-STD64[23] TTC JF-IETF-STD65[24] RTSP RFC2326[9] UDP RFC768[7] TCP RFC793[8] HTTP RFC2616[10] UDP RFC768[7] TCP RFC793[8] IP SNI
35 1 () IP SNI UDP[7] UDP[7] TCP[8] SIP SDP 5 7 A RTPRTCP 6 8
36 1 () SIP SIP-UASIP-UA SIP-UA TTC TR-9024[6] SIP-UA REGISTER SIP-UA SIP-UA (1) SIP-UA (2) SIP-UA SIP-UA (3) SIP-UA SIP-UA (4) SIP-UA SIP-UA SIP-UA SIP-UA ID ID ID SIP SIP-URI SIP-URI ID SIP-UA SDP m= 5.2. SDP SDP TTC JF-IETF-RFC4566[30]TTC JF-IETF-RFC4145[29] SDP SDP TTC JF-IETF-RFC3264[15] 9
37 1 () m=audiom=videom=application m=audio G.711-law 5-1 b=ttc JF-IETF-RFC4566[30] m=video 5-1 b=ttc JF-IETF-RFC4566[30] m=applicationb= b=m= proto TCP [29] b=ttc JF-IETF-RFC4566[30] RFC b=as 4 3 (m=audio) (m=video) 5-1 G.711µ-law[1][2] G.722[33]DTMF[11]MP4A-LATM[40][12]UEMCLIP[43] MPEG4-visual[4][12][39]H.264[34][27]TTS[44] 1Dparityfec[44] G.711-law 20ms DTMF RFC4733[11] telephone-event RTP SDP m= media-type a= m=3gpp TS ( 1)[32] SDP m= a= RTCP 5-2 RTP 10
38 1 () 1.0 3GPP TS [32] SDP m /a 5-2SDP (1)(2) (1)(4) media-type=application (1)media-type=video (1)media-type=video a=sendrecv a=sendonly (2)media-type=audio (2)media-type=video a=sendrecv a=recvonly (3)media-type=audio a=sendonly (4)media-type=audio a=recvonly SDP SIP-UA TTC JF-IETF-RFC3264[15] 488 Not Acceptable Here SIP-UA INVITE Warning 300 (Incompatible network protocol) 301Incompatible network address formats 488 Not Acceptable Here SIP-UA IPv6 SIP-UA SIP-UA IPv4 SDP IPv6 IPv4 INVITE SIP-UA SDP IPv6 IPv4 SIP-UA Warning 300 (Incompatible network protocol) 488 Not Acceptable Here 11
39 1 () SIP-UA SDP 488 Not Acceptable Here Warning 304(Media type not available) 305(Incompatible media format) SDP SIP-UA SIP-UA SDP SDP 488 Not Acceptable Here Message-Body SDP G.711 -law SDP 488 Not Acceptable Here SDP SIP-UA SDP SDP SIP-UA 488 Not Acceptable Here 488 Not Acceptable Here Warning 304(Media type not available) 305(Incompatible media format) 12
40 1 () RTP BYE CANCEL Confirmed Dialog BYE CANCEL Confirmed Dialog BYE CANCEL Confirmed Dialog BYE CANCEL Confirmed Dialog 3xx6xx
41 1 () SIP SIP-UA 7.1. SIP 2 TTC JF-IETF-RFC3261[13] Request-line Message-Header Message-Body Method From: To: Via: Call-ID: Request-URI 1 SDP 2 SDP TTC JF-IETF-RFC4145[29] TTC JF-IETFRFC4566[30] 1userinfo 2MIME-Multipart
42 1 () 1.0 Status-line SIP-Version Status-Code Reason-Phrase Message-Header Message-Body From: To: Via: Call-ID: SDP 1 SDP TTC JF-IETFRFC4145[29] TTC JF-IETF-RFC4566[30] 1MIME-Multipart
43 1 () 1.0 A TTC TR-9024 A.1 TR-9024 TR-9024 ii TR-9024 TR-9024 IP UNI 1[35] A TR Supported timer timer timer 100rel 100rel 100rel timer,100rel timer,100rel -2TR Request-URI SIP URI Request-URI TEL URI re-invite REGISTER NTT /NTT UNI 16
44 1 () REGISTER UPDATE MESSAGE MESSAGE REFER REFER SUBSCRIBE NOTIFY PUBLISH NTT /NTT REGISTER UNI Initial INVITE 1 INVITE 3xx REGISTER P-Associated-URI REGISTER 200 OK Service-Route -3TR xx P-Associated-URI Service-Route NTT /NTT REGISTER UNI NTT /NTT REGISTER 17
45 1 () UNI 1 m= fmt list a= ptime m= m= TR-9024 SDP m= a= G.711 µ-law 18
46 1 () Request-URI port TR-9024 REGISTER 2 Contact q Contact expires Expires From Contact transport Allow Supported path To To UDP UDP TCP path path To To To UDP UDP TCP path path path NTT /NTT REGISTER UNI NTT /NTT REGISTER UNI 423 Interval Too Brief Expires NTT /NTT REGISTER UNI To NTT /NTT REGISTER UNI NTT /NTT REGISTER UNI NTT /NTT REGISTER UNI NTT /NTT REGISTER UNI NTT /NTT REGISTER UNI 19
47 1 () Request-URI REGISTER Contact Request-URI port Allow PRACK Allow UPDATE Allow From userinfo Min-SE Session-Expires Supported timer Supported 100rel TR-9024 Initial INVITE PRACK PRACK PRACK PRACK PRACK UPDATE UPDATE telephone-subscriber timer timer 100rel 100rel UPDATE UPDATE UPDATE 1 telephone-subscrib er timer timer timer 100rel 100rel 100rel NTT /NTT REGISTER UNI NTT /NTT 100 Trying PRACK NTT /NTT 100 Trying 100rel 20
48 1 () Supported Option-tag Pre-existing Option-tag Option-tag Option-tag TR-9024 UPDATE 1 Allow UPDATE Min-SE Session-Expires Supported timer TR-9024 re-invite UPDATE UPDATE UPDATE UPDATE UPDATE timer timer timer timer timer 1 Min-SE Session-Expires Supported timer TR-9024 UPDATE timer timer timer timer timer 21
49 1 () Pre-existing TR-9024 MESSAGE -10TR-9024 Initial INVITE 1 1xx,2xx PRACK PRACK Allow PRACK PRACK PRACK PRACK 2 1xx,2xx UPDATE UPDATE Allow UPDATE UPDATE UPDATE UPDATE 3 1xx,2xx Allow xx 100rel 100rel Require 100rel rel 100rel 100rel 5 2xx timer timer Require timer timer timer timer 6 1xx RSeq xx Session-Expires xx timer timer Supported timer timer timer timer NTT /NTT 100 Trying PRACK INVITE Supported 100rel INVITE Supported timer INVITE Supported 100rel INVITE Supported timer 22
50 1 () TR-9024 re-invite 1 2xx Allow UPDATE UPDATE UPDATE UPDATE UPDATE UPDATE UPDATE 2 2xx timer timer Require timer timer timer timer 3 2xx Session-Expires xx timer timer Supported timer timer timer timer INVITE Supported timer INVITE Supported timer -12TR-9024 UPDATE 1 2xx timer timer Require timer timer timer timer 2 2xx Session-Expires xx timer timer Supported timer timer timer timer UPDATE Supported timer UPDATE Supported timer 1 SIP 3-13TR-9024 SIP UDP/IPv4 UDP/IPv4 NTT /NTT UDP/IPv4 UDP/IPv6 ii-14tr a 23
51 1 () a 24
52 1 () 1.0 B RTPRTCP SNI RTP RTCP B.1 RTP RTP RTP TTC JF-IETF-STD64[22]TTC JF-IETF-STD65[24] SNI RTP B.1.1 RTP RTP B-1 V P X CC M PT sequence number timestamp SSRC CSRC B-1RTP V P X CC M PT sequence number timestamp SSRC CSRC CSRC B RTP 25
53 1 () B B-1 1 B-1 DTMFRFC4733[11] (1) RFC4733 RTP (1) B RTP SIP B-2 TTC JF-IETF-STD65[24] B-2 Payload Type Encoding Name Codec Media Type 0 PCMU G.711-law 9 G722 G telephone-event DTMF MP4A-LATM MP4A-LATM UEMCLIP UEMCLIP MP4V-ES MPEG4-Visual Elementary Stream H264 H vnd.iptvforum.ttsavc TTS vnd.iptvforum.1dparityfec_1010 1Dparityfec h224 FECC B SSRC SSRC RTP 26
54 1 () 1.0 IP UDP IP UDP B SSRC 1 RTP RTP SSRC RTP IP UDP IP UDP B SSRC SSRC RTP IP UDP IP UDP SSRC SSRC SSRC RTP B RTP SSRC B RTP SIP B UDP RTP UDP SIP 27
55 1 () 1.0 UDP B.1.2 RTP SDP SDP SIP-UA RTP Media Description 1 RTP m= media audio proto RTP/AVP G.711 µ-law DTMF telephone-event a=sendrecv RTP SIP SDP a=sendonly/recvonly SIP-UA RTP RTP a=inactive SIP-UA RTP SDP 5.2 SDP B.2 RTCP RTCP B.2.1 RTCP RTCP TTC JF-IETF-STD64[23] B.2.2 RTCP RTCP B-3 28
56 1 () 1.0 B-3RTCP SR 200 RTP RR 201 RTP RTP 31 SR SDES 202 RTP BYE 203 B.2.3 RTCP RTCP RTCP RTCP RTCP SIP B.2.4 UDP RTCP UDP RTP UDP B.2.5 RTCP (1) RTCP RTCP SIP RTCP (2) RTCP TTC JF-IETF-STD64[22] RTCP RTP 5% 29
57 1 () 1.0 C ID SNI C.1 C-1 1 #0 #1 SNI IP UNI C-1 C.2 SNI SNI SNI IP MAC
58 1 () 1.0 SIP C.2.1 C.2.1 SIP-UA 2 SIP-UA ID ID SIP-URI SIP SIP-URI C.2.2 C.2.3 SIP-UA SIP-UA C SIP SIP-UA SIP-UA SIP-UA SIP-UA C.2.4 SDP m= SIP-UA SIP-UA 31
59 1 () 1.0 i. IMS ITU-T ANI Parlay*1 SIP B2BUA*2 SNI i-1 *1 Parlay APIApplication Programming Interface) Parlay API *2 B2BUA (Back to Back User Agent) 2 SIP-UA SIP SIP-UA SIP-UA 32
60
61 SNI UDP UDP
62 SNI IP IP 1-1 IP SNI IP ISP UNI NNI SNI : Application Server erver-network etwork Interface NNI : etwork-network Interface UNI : User ser-network etwork Interface SNI 2 1 IPv6UDP 2 IPv6UDP IP SNI 2
63 SNI [1] IETF RFC768 (08/1980): User Datagram Protocol [2] TTC JF-IETF STD64 (06/2005): RTP 3 IP SNI OSI 3-1() 7 RTP: 6 TTC JF-IETF-STD64 [2] 5 4 UDP: RFC768[1] IP SNI 4-1 3
64 SNI IP SNI UDP 4 RFC768[1] UDP UDP RFC UDP UDP RTP 4
IP通信網サービスのインタフェース －フレッツシリーズ－
- 1 - - 2 - - 3 - - 4 - FLET S.NET EX FLET S.NET FdN - 5 - - 6 - - 7 - - 8 - - 9 - ONU IP RJ45 Ethernet ONU IP UNI - 10 - Ethernet ONU IP Ethernet ONU IP - 11 - 7 6 5 4 3 2 1 IPv6 PPPoE DHCPv6: RFC3315
図解でわかるVoIPのすべて - IP電話の技術から構築まで -
VoIP VoIP 2003 2003 9 10 1 IP VoIP VoIP 11301J101 VoIP(Voice over Internet Protocol) VoIP IP IP IP 3 1. IP 2. VoIP 3. QoS 4. IP 4 IP IP 5 1.1 IP IP IP IP VoIP VoIP 6 1.2 IP - - - - - 7 1.2 IP - - - - 8
Macintosh HD:Users:ks91:Documents:lect:nm2002s:nm2002s03.dvi
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