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5 ＶｏＩＰの動向 ブロ ドバンドの普及 ブロードバンド加入件数はDSLを中心に急速に拡大 日本のブロードバンド普及状況 2003 年1末時点で計８３４万加入 2003年1末時点で計８３４万加入 内訳 ADSL ADSL 612万 万 Cable Cable １ 99万 FTTH 23万 万 内訳 万 FTTH 23 内訳 ADSL 612万 Cable １99万 FTTH 23万 計１,９７７万 計１,９７７万 万世帯 無線を活用したサービス ケーブルインターネット DSL 光ファイバを利用したサービス 2000 加入世帯数 1600 計９１７万 計９１７万 1200 計１,７９７万 計１,７９７万 80万 計１,５１３万 計１,５１３万 41万 計３７８万 計３７８万 計１２６万 計１２６万 万 97万 29万 0万 2001年6月末 323万 65万 417万 388万 ｹｰﾌﾞﾙ DSL 749万 773万 2万 146万 429万 695万 722万 16万 800 無線 481万 238万 97万 3万 2001年度末 2002年度末 593万 335万 2003年度末 2004年度末 光ﾌｧｲﾊﾞ 2005年度末 出典 総務省 全国ブロードバンド構想 をもとに更新 出典 総務省 全国ブロードバンド構想 をもとに更新 Copy Right 2003 Oki Electric Industry Co.Ltd., 5
6 6 IP IP IP IP IP
7 7 IP IP IP IP ( IP IP ) IP IP ( IP IP )
8 8
9 9
10 Voice over Internet Protocol FAX IP Web TV TV 10
11 11 - ODT COT ODT TTC2M COT SLC
12 12 - IP
13 13 PBX
14 14
15 1997 PBX VoIP-GW VoIP VoIP-GW LAN LAN WAN LAN VoIP-GW GW 15
16 16 L2-SW PSTN PSTN IP IP IP IP L2-SW L3-SW IP NT 7 F 9 F 6 F L2-SW IP IP PBX(IP PBX(IP-PBX PBX
17 IP IP SOHO IP /
18 IP-Centrex Centrex PBX IP 18
19 19
20 IP * 0 # * 0 # 20
21 21
22 Quality of Service LAN-SW IEEE802.1Q/p GW TOS VLAN UplinkServer ( 12kbps/1ch) VoIP- 22
23 !! 23 IP AP CH
24 Voice High Data Low 24
25 25 Priority High Queuing PQ Voice Weighted Fair QueuingWFQ Short Voice Low Data Long Data UDP Custom Queuing CQ High 30 % Voice Low Latency Queuing LLQ Low Latency--High Voice Low 70 % Data High Latency--Low Data PQWFQ CQ Queuing
26 26
27 27 IEEE802.1Q/p TAG QoS IEEE802.1Q/p
28 - IP VoIP-GW IP-PBX IP VoIP-GW IP-PBX UDP/IP VoIP-GW 28
29 29 - IP IP IP VoIP-GW IP VoIP-GW
30 BS1100 UPLINK PORT BS1100 UPLINK PORT 30 - TOS VoIP-GW Diffserv VoIP-GW COMSON COMSON PBX IP
31 31 PBX GW VoI P GW IP VoI P GW
32 32 VoI P GW IP VoI P GW W-W
33 33
34 P.800 (968P.861 (968P.862 (012G.107 ( *1 * MOS : mean opinion score PSQM : perceptual speech quality measurement PESQ : perceptual evaluation of speech quality 34
35 35 IP IP IP
36 36 ITU-T G.114 PSTN 0 150ms : ms : 400ms: G.114 Delay MOS Delay 200ms MOS ms. MOS
37 37
38 38 - VoIP-G LAN
39 39 IP-PBX VoIP-GW PBX PBX
40 VoIP-GW WAN kbps a OS OS Diffserv* i Output UplinkServer TOS Diffserv VoIP-GW LAN * 0 # 40
41 41
42 42 23 PBX L2-SW 256Kbps L2-SW X L2-SW A1.5M PBX PBX PBX L2-SW X 192Kbps DR128 DR M PBX L2-SW PBX L2-SW PBX L2-SW x 2 x 2 x
43 43 A B
44 DISCOVERY 2000 DISCOVERY 2000 DISCOVERY 2000 DISCOVERY 2000 DISCOVERY
45 45 PBX A VoIP-GW PBX B VoIP-GW L3-SW L3-SW C VoIP-GW PBX L3-SW D L3-SW
46 46 A VoIP-GW PBX ATM ATM B PBX ATM PBX ATM PBX ATM VoIP-GW VoIP-GW VoIP-GW
47 47 xdsl FTTH xdsl FTTH B PBX PBX VoIP-GW VoIP-GW
48 48 -
49 49
50 50 - VoIP-GW IP-PBX
51 51 -
52 52 - IP IP-TEL IP-TEL IP-PBX
53 - IP- PBX CT 53
54 54 -
55 55 -
56 - IP-PBX UMS 56
57 - FAX Microsoft Word Excel PowerPoint Lotus
58 58 - /FAX/E ( )
59 59 -
60 60 - WAN LAN-SW IEEE802.1Q/p IP-PBX TOS IP-TEL IEEE802.1Q/p
61 61
62 1Gbps PBX L2-SW IP-PBX IP-TEL PC FAX FAX 1Gbps VoIP-TA L2-SW L2-SW VoIP-TA VoIP-TA FAX IP-TEL PC FAX IP-TEL PC 62
63 63 PBXIP PBX 1 PBX LAN1 LAN IP-TEL VoIP-TA LAN 3 LU TEL(FAX) FAX:3 WAN (IP) NIKKEI COMMUINICATION (1Gbps) 3
64 DISCOVERY BASE-FX PBX IP-PBX PBX - 100BASE-FX - PC
65 65 IP-TEL VoIP-TA LU TEL(FAX) WAN (IP) NIKKEI COMMUINICATION (100BASE-FX) m 11
66 66 OD TDM IP INS64 PHS FAX
67 67 PSTN INS64 UPLINK COMSON BS10 PORT PSTN PSTN
68 125 - VoIP-GW Cisco4000 IP IP-PBX Cisco 1700 Cisco4000 FR PC host 80 VoIP 125 IP-PBX Cisco 1700 Cisco 1700 Cisco 1700 Cisco 1700 IP-PBX IP 125 IP-PBX IP 68
69 69 / /
IEEE e
2007 IEEE 802.11e LAN VoIP 2008 2 4 3606U075-2 1 5 1.1...................................... 5 1.2...................................... 5 1.3..................................... 6 2 IEEE 802.11e LAN
SIP SDP(Session Description Protocol) RTSP(Real-time Streaming Protocol) RTP(Real-time Transport Protocol) IP 1 [1] 1: IP RTP(Real-Time RFC1889 Transf
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C4 higa@comm.eng.osaka-u.ac.jp 1 IP 1.1 1. IP IP 2. 1.2 1.2.1 IP IP (Internet Protocol telephone) IP VoIP(Voice over Internet Protocol) IP IP (Network Access Control) IP IP (Call Control) (Terminal Control)
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IEEE 802.11e における無線伝送速度の 変化に応じた最適な EDCA パラメータの設定 早稲田大学理工学部 コンピュータ ネットワーク工学科 後藤研究室学部 4 年 1G06R156-6 野間敬太 2010/2/1 卒業論文発表 1 研究の背景 目的 ワイヤレス ブロードバンド時代の進展 モバイル端末による音声 動画通信の利用 サービスに適した QoS (Quality of Service)
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Word 2007 Word 2007 Word Word 2003 Word 2007 Excel Web
Microsoft Office Word 2007 Microsoft Office Word 2007 Microsoft Office Word 2007 Office Professional 2007 1 / / 1 /5 Word 2007 Word 2007 Word 2007 Word Word 2003 Word 2007 Excel Web http://office.microsoft.com/ja-jp/word/ha100744321041.aspx
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VoIP Tutorial 2002. 7.26 Y.Tanaka / JT 0. VoIP EX PSTN EX VoIP GW IP Network GW IP VoIP (Voice over IP) cf. IP (IP Telephony) VoIP TS: Time Slot TS VoIP IP / HLR fixed network EX mobile network EX 090-...
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JEITA IPv6 - IPv6-1 1. 2. IPv6 3. 4. IPv6 5. IPv6 6. 7. 2 1 1. 2. IPv6 3. 4. IPv6 5. IPv6 6. 7. 3 (1) 4 2 (2) IP(Internet Protocol - - A A 5 (3) IPv6 AP AP TCP IP TCP IP 6 3 TCP/IP(v6) TELNET FTP TFTP
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A little bit faster access line to the home - xdsl Internet Access - JANOG6 in 2000/6/16 xdsl DSL = Digital Subscriber Line (ADSL) 6Mbps (ADSL Annex.A G.dmt) 2000/6/16 A little bit faster access line to
100 6, , ,800 QoS QoS 802.1X Web IPv6 QoS 802.1X ACL SNMP Web IPv6 1 Web 3
Cisco For Small Business 2012.5-8 Web 100 6,800 200 30,800 300 41,800 QoS QoS 802.1X Web IPv6 QoS 802.1X ACL SNMP Web IPv6 1 Web 3 RV 31,800 WebEx Meeting Center 46,800 132,000 66,000 2 WAN LAN GbE 4LANGbE
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10_08.dvi
476 67 10 2011 pp. 476 481 * 43.72.+q 1. MOS Mean Opinion Score ITU-T P.835 [1] [2] [3] Subjective and objective quality evaluation of noisereduced speech. Takeshi Yamada, Shoji Makino and Nobuhiko Kitawaki
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b 221743-192 2001 5 2001 Compaq Computer Corporation 2001 Compaq Compaq Armada Compaq Computer Corporation Evo Compaq Information Technologies Group, L.P. Microsoft Windows Windows NT Microsoft Corporation
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Si-R30取扱説明書
1 1 25 2 61 3 103 1 1 1 27 27 28 29 30 31 34 ISDN 34 35 35 36 ISDN 38 38 ISDN 39 40 ISDN 40 41 42 42 43 43 44 44 44 46 LAN 46 TCP/IP 46 WWW 52 LAN 54 54 HUB LAN 55 LAN 56 56 IP 57 58 1 1 Si-R30 CD-ROM
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
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8 デジタルケーブルテレビ関連技術およびサービス動向 宮地悟史 KDDI( 株 ) ケーブルテレビ概要 1953 2 1955 Community Antenna Television Common Antenna Television CATV CATV CATV BS CATV サービス動向 全体概要 2010 9 図 -1 1 4,451 5,336 83% 4,890 91% 2,371 44%
SRX300 Line of Services Gateways for the Branch
SRX300 SRX300 WAN TCO SRX300 SRX300 UTM SRX300 4 SRX300 SRX300 WAN SRX300 1 Gbps 300 Mbps IPsec VPN 1 SRX320 SRX320 WAN SRX320 1 Gbps 300 Mbps IPsec VPN 1 SRX340 SRX340 WAN 1 U SRX340 3 Gbps 600 Mbps IPsec
QoS Intserv diffserv 1998 12 16 Internet Week 98 Internet Week98 1998 Kenjiro Cho, Japan Network Information Center 1 3 QoS Intserv RSVP QoS Diff-serv 2 QoS ISP 3 2.1 FAX LAN WAN LAN WAN Heavy Tail WWW
C08.PDF
QoS Diffserv 1999 12 14 Internet Week 99 Internet Week 99 1999 kenjiro Cho, Japan Network Information Center 1 DiffServ DiffServ DiffServ DiffServ 2 DiffServ congestion 90 IP IP 3 QoS 3.1 QoS QoSQuality
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2005 3 3-1- 1. 2. 3. 4. -2- 1. -3- IP ADSL/ FTTH IP-PBX / & -4- & 2004 1,200 & PC HDD IP 2,050 1,900-5- FTEL No.1 ADSL (50%*) No.2 (20%*) FNC No.1 (28%**) Nortel 3% 3% 2% Motorola 4% Ericsson 7% 22% Cisco
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IT IT IT IT 1 IT 2 Software as a Service (SaaS 3 ) IT SaaS 4 SaaS SaaS PC SaaS SaaS Web SaaS ID IT SaaS IT 1 2 3 Software as a Service ASP(Application Service Provider) SaaS 4 ASPIC SaaS SaaS SaaS SaaS
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IP Windows Word Excel Web Web Word Excel XHTML CSS Web Windows Word Excel Web XHTML CSS
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2013 11 27 NTT ISP IP 32 8. FTTH OLT ONU( ) ADSL DSLAM ADSL (ISDN) WiMAX ISP i sp ISP LAN ISP IP PPPoE FTTH ADSL BAS ID IP PPP RAS ID IP DHCP DHCP IP PPPoE ID ID ISP @ IP IPCP ID PC PC WAN LAN PC PPPoE
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11 11 7 28 7 30 9 30 16 30 2-302 1. (hardware) Microsoft Excel Microsoft Word Windows95/98 OS Windows95/98 MS-DOS 2. 3. 1 1 2 4. Enter CTRL ALT ALT SHIFT ESC BS DEL INS TAB CAPS 5. 1 ID ID 2 ID 3-1 - 6.Windows95/98
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2002 (%) (%) 64.7[56.4] 46.8[33.1] 60.8[52.1] 46.4[34.6] 60.4[48.4] 44.0[37.1] 59.8[55.8] 43.9[43.9] 59.0[48.7] 43.5[36.9] 58.1[45.8] 39.7[39.7] 55.3[33.6] 36.4[24.3] 54.4[52.6] 36.3 54.4[43.9] 53.3[42.8]
LAN
LAN 2003 6 4 LAN Hotel LAN LAN IEEE802.11a IEEE802.11b 802.11b 11Mbps Copyright (c) 2003 NPO Page 3 FREESPOT FREESPOT HOTSPOT NTT ( ) MZONE ( )NTT Mobile ( ) Yahoo! BB ( ) MapFanWeb http://www.mapfan.com/musen/
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2 2004411 88 NIKKEI COMMUNICATIONS 2004.3.22 20037 4 NTT NTT NTT WAN3040% WAN NIKKEI COMMUNICATIONS 2004.3.22 89 IP-VPN WAN 30 40 p.895060 IP-VPN NTT 50 6080% WAN 6080 p.89 IP IP 2 KDDI KDDI 4 NTT NTT
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スライド 0
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情報通信ネットワークの基礎 サンプルページ この本の定価 判型などは, 以下の URL からご覧いただけます. http://www.morikita.co.jp/books/mid/085361 このサンプルページの内容は, 初版 1 刷発行時のものです. i LTE TCP/IP LAN TCP/ IP VoIP 1 2 3 2 4 5 OSI OSI 6 ISDN ADSL ii CATV
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