Nghiên cứu các giao diện kết nối cung cấp khả năng phát triển dịch vụ gia tăng cho mạng thế hệ sau-NEXT GENERATION NETWORK

Bé gi¸o dôc vµ ®µo t¹o

Tr−êng ®¹i häc b¸ch khoa hµ néi

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luËn v¨n th¹c sÜ

Nghiªn cøu c¸c giao diÖn kÕt nèi cung cÊp

kh¶ n¨ng ph¸t triÓn dÞch vô gia t¨ng cho

m¹ng thÕ hÖ sau – next generation network

ngµnh: c«ng nghÖ th«ng tin

m∙ sè:

v−¬ng thÞ cÈm v©n

Ng−êi h−íng dÉn: ts. trÞnh v¨n loan

Hµ néi 2006

1

Môc lôc

Môc lôc........................................................................................................ 1

ThuËt ng÷ vµ tõ viÕt t¾t ................................................................. 4

Danh môc c¸c b¶ng vµ h×nh vÏ ..................................................... 9

Më ®Çu ........................................................................................................ 11

Ch−¬ng 1 - Tæng quan vÒ m¹ng NGN.......................................... 13

1.1 Sù cÇn thiÕt ph¶i chuyÓn ®æi sang m¹ng NGN.............. 13

1.1.1 C¸c yªu cÇu vÒ dÞch vô cña kh¸ch hµng c¸ nh©n............................. 13

1.1.2 Yªu cÇu cña c¸c doanh nghiÖp ........................................................ 14

1.1.3 C¸c yªu cÇu ®èi víi c¸c nhµ cung cÊp dÞch vô viÔn th«ng .............. 15

1.1.4 Nhu cÇu chuyÓn ®æi sang m¹ng thÕ hÖ sau NGN ............................ 15

1.1.5 C¸c yªu cÇu vµ nguyªn t¾c tæ chøc m¹ng NGN .............................. 17

1.2 M¹ng thÕ hÖ sau - NGN ............................................................... 18

1.2.1 §Þnh nghÜa NGN.............................................................................. 18

1.2.2 CÊu tróc m¹ng NGN ........................................................................ 19

1.2.3 C¸c phÇn tö trong m¹ng NGN ......................................................... 21

1.3. C¸c giao diÖn NGN ..................................................................... 39

1.4. KÕt luËn ........................................................................................... 44

Ch−¬ng 2 - Nghiªn cøu tiªu chuÈn c¸c giao diÖn kÕt

nèi cung cÊp dÞch vô trong NGN theo ITU CS4 ................. 45

2.1. Giíi thiÖu chung vÒ ITU CS4.................................................... 45

2.1.1 C¸c tiªu chuÈn cho IN CS- 4........................................................... 47

2.1.2. Hç trî IN cho tho¹i trªn IP ............................................................ 47

2.2 M« h×nh chøc n¨ng ph©n t¸n cho IN CS-4 ...................... 49

2.2.1 C¸c thùc thÓ chøc n¨ng liªn quan ®Õn dÞch vô IN .......................... 49

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2.2.2 C¸c giao diÖn chøc n¨ng .................................................................. 56

2.2.3 C¸c chøc n¨ng ¸nh x¹ vµ giao thøc møc thÊp.................................. 61

2.3 KÕt luËn ............................................................................................ 62

Ch−¬ng 3 - Gi¶i ph¸p Surpass vµ kiÕn tróc më cung cÊp

dÞch vô gia t¨ng cña Siemens...................................................... 63

3.1 Giíi thiÖu chung vÒ SURPASS .................................................. 63

3.1.1 SURPASS hiQ9200.......................................................................... 64

3.1.2 SURPASS hiQ4000.......................................................................... 66

3.1.3 SURPASS hiQ30.............................................................................. 67

3.1.4 SURPASS hiQ20.............................................................................. 67

3.1.5 SURPASS hiA7500.......................................................................... 67

3.1.6 SURPASS hiG1000.......................................................................... 68

3.1.7 SURPASS hiR 200........................................................................... 69

3.1.8 SURPASS NetManager.................................................................... 69

3.2 KiÕn tróc cung cÊp c¸c giao diÖn cho c¸c øng dông

multimedia............................................................................................ 70

3.2.1 Surpass callsetup bloc ................................................................. 72

3.2.2 Surpass Internetbusy bloc ........................................................... 73

3.2.3 SURPASS conference bloc .............................................................. 74

3.2.4 SURPASS surfsyncrone bloc ........................................................... 75

3.2.5 SURPASS callhandling bloc ............................................................ 76

3.3 C¸c øng dông vµ dÞch vô ......................................................... 77

3.3.1 FreecallButton.................................................................................. 78

3.3.2 WebdialPage .................................................................................... 80

3.3.3 Call Waiting Internet ....................................................................... 81

3.3.4 SurFone ............................................................................................ 86

3.3.5 WebConfer....................................................................................... 88

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3.3.6 DÞch vô tr¶ tr−íc .............................................................................. 91

3.3.7 DÞch vô Toll Free ( 1800 ) ............................................................... 92

3.3.8 DÞch vô Automatic Service Selection ( 1900 )................................. 93

3.3.9 DÞch vô m¹ng riªng ¶o (VPN- Virtual Private Network) ................ 94

3.4 kÕt luËn ............................................................................................ 95

Ch−¬ng 4 - Thùc tÕ triÓn khai m¹ng NGN t¹i ViÖt nam 96

4.1 nguyªn t¾c tæ chøc m¹ng ngn............................................ 96

4.1.1 Ph©n vïng l−u l−îng. ....................................................................... 96

4.1.2 Tæ chøc líp øng dông vµ dÞch vô..................................................... 96

4.1.3 Tæ chøc líp ®iÒu khiÓn..................................................................... 97

4.1.4 Tæ chøc líp chuyÓn t¶i..................................................................... 98

4.1.5 Tæ chøc líp truy nhËp. ..................................................................... 99

4.1.6 KÕt nèi víi m¹ng PSTN ................................................................. 100

4.1.7 KÕt nèi víi m¹ng Internet.............................................................. 101

4.1.8 KÕt nèi víi m¹ng FR, X.25 hiÖn t¹i............................................... 101

4.1.9 KÕt nèi víi m¹ng di ®éng GSM..................................................... 101

4.2 Lé tr×nh chuyÓn ®æi ................................................................ 102

4.2.1 Yªu cÇu cña lé tr×nh chuyÓn ®æi .................................................... 102

4.2.2 Lé tr×nh chuyÓn ®æi ®Õn 2010........................................................ 103

4.3 kÕt luËn .......................................................................................... 104

Ch−¬ng 5 - KÕt luËn vµ kiÕn nghÞ............................................ 105

Tµi liÖu tham kh¶o .......................................................................... 107

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ThuËt ng÷ vµ tõ viÕt t¾t

AC Authentication Centre

ACE Application Creation Environment

ADSL Asymmetric Digital Subscriber Line

API Application Programming Interface

ASR Automatic Speech Recognition

ATM Asynchronous Transfer Mode

BGP Border Gateway Protocol

BICC Bearer independent call control protocol

BRI Basic Rate Interface

CAMEL Customised Application for Mobile network Enhanced Logic

CAPEX CApital EXPenditure

CCAF Call Control Agent Function

CCBS Custumer Care & Billing Service

CCF Call Control Function

CDMA Code Division Multiple Access

CGI Common Gateway Interface

CHAP Challenge Handshake Authentication Protocol

CLIP Calling Line Identification Presentation

CODEC Compression/Decompression - Codification/Decodification

CORBA Common Object Request Broker Architecture

CPL Call Processing Language

CPML Call Policy Markup Language

CUSF Call-Unrelated Service Function

D/A GF Dial Access Gateway Function

DCOM Distributed Common Object Model

DTMF Dual Tone Multiple Frequency

ECTF Enterprise Computer Telephony Forum

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EJB Enterprise JavaBeans

ETSI European Telecommunications Standards Institute

FE Functional Entity

FTP File Transfer Protocol

GK GateKeeper

GSM Global System for Mobile communications

GUI Graphical User Interface

HTTP HyperText Transport Protocol

ICW Internet Call Waiting

ICC Inter-Connect Controller

IETF Internet Engineering Task Force

IMT-2000 International Mobile Telecommunications-2000

IN Intelligent Network

INAP Intelligent Network Application Part

IPSec Internet Protocol Security

IPTN IP Transport Network

ISDN Integrated Services Digital Network

ISG Intergrated Signaling Gateway

ISUP ISDN User Part

ITU International Telecommunications Union

JAIN Java and IN

JCC Java Community Process

JTAPI Java Telephony API

LDAP Lightweight Directory Access Protocol

LSR Label Switch Routing

MAC Media Access Control

MAP Mobile Application Part

MCP Media Control Processor

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MEGACO MEdia GAteway COntrol protocol

MGC Media Gateway Controller

MGCP Media Gateway Control Protocol

MP3 MPEG-1 Audio Layer 3

MPEG Moving Picture Expert Groupe

MPLS MultiProtocol Label Switching

NGN Next Generation Network

NSP Network Service Processor

OAM&P Operation,Administration, Maintenance and Provisining

OCCRUI Out-Channel Call-Related User Interaction

OPEX OPerational EXPenditure

ORB Object Request Broker (CORBA)

OSP Open Service Platform

OSPF Open Shortest Path First

PAM (Parlay) Precence & Availability Management

PAP Password Authentication Protocol

PCM Pulse Code Modulation

PHS Personal Handyphone System

PIN Personal Identification Number

PINT PSTN Internet Interworking

PM Packet Manager

PoP Point of Presence

POTS Plain Old Telephony System

PRI Primary Rate Interface

PSDN Public Switched Data Network

PSTN Public Switched Telephone Network

QoS Quality of Service

RADIUS Remote Authentication Dial In User Service

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RANAP Radio Access Network Application Part

RFC Request For Comments

RTP Real Time Protocol

SA-GF Service Application Gateway Function

SCEF Service Creation Environment Function

SCF Service Control Function

SC-GF Service Control Gateway Function

SCN Switched Circuit Network

SCP Service Control Point

SCUAF Service Control User Agent Function

SDF Service Data Function

SDP Session Description Protocols

SG Signaling Gateway

SIP Session Initiation Protocol

SLEE Service Logic Execution Environment

SMAF Service Management Access Function

SMDS Switched Multimegabit Data Service

SMF Service Management Function

SMTP Simple Mail Transfer Protocol

SNMP Simple Network Management Protocol

SRF Specialized Resource Function

SS7 Signalling System number 7

SSF Service Switching Function

SSL Secure Sockets Layer

TAPI Telephony Application Protocol Interface

TCAP Transaction Capabilities Application Part

TCP Transmission Control Protocol

TDM Time Division Multiplex

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TINA Telecommunication Information Network Architecture

TIPHON Telecommunications and IP Harmonization Over Networks

TMN Telecommunications Management Network

TRIP Token Ring Interface Processor

TTS Text To Speech

UA User Agent

UDP User Datagram Protocol

VoIP Voice over IP

VPN Virtual Private Network

XLML eXtended Linderdaum Markup Language

XML eXtensible Markup Language

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Danh môc c¸c b¶ng vµ h×nh vÏ

B¶ng 1.1 C¸c giao diÖn trong m¹ng PSTN/ISDN............................................ 40

B¶ng 1.2 C¸c giao diÖn gi÷a m¹ng IP víi m¹ng chuyÓn m¹ch kªnh(SCN) .... 41

B¶ng 2.1 C¸c giao diÖn.................................................................................... 57

H×nh 1.1 M¹ng hîp nhÊt.................................................................................. 19

H×nh 1.2 M« h×nh ph©n líp NGN.................................................................... 19

H×nh 1.3 C¸c phÇn tö m¹ng NGN c¬ b¶n....................................................... 21

H×nh 1.4 CÊu h×nh tham chiÕu TIPHON cña ETSI ......................................... 41

H×nh 2.1 VÝ dô API xö lý cuéc gäi.................................................................. 46

H×nh 3.1 KiÕn tróc m¹ng NGN cña Siemens .................................................. 63

H×nh 3.2 KiÕn tróc cña s¶n phÈm SURPASS hiQ9200 ................................... 65

H×nh 3.3 CÊu tróc m¹ng cña gi¶i ph¸p SURPASS MMA ............................... 66

H×nh 3.4 Chøc n¨ng cña hiG1000 ................................................................... 68

H×nh 3.5 Tæng quan vÒ SURPASS NetManager ............................................. 69

H×nh 3.6 KiÕn tróc cung cÊp dÞch vô cña SURPASS....................................... 70

H×nh 3.7 C¸c giao diÖn cña hiQ 4000 ............................................................. 71

H×nh 3.8 Chøc n¨ng cña SURPASS callsetup bloc ......................................... 73

H×nh 3.9 Chøc n¨ng cña SURPASS internetbusy bloc.................................... 74

H×nh 3.10 Chøc n¨ng cña SURPASS conference bloc .................................... 74

H×nh 3.11 Chøc n¨ng cña SURPASS surfsyncrone bloc................................. 75

H×nh 3.12 CÊu h×nh chung cña m¹ng .............................................................. 77

H×nh 3.13 VÝ dô FreecallButton ®Æt trªn Website cña Siemens...................... 79

H×nh 3.14 S¬ ®å m¹ng cho FreecallButton...................................................... 79

H×nh 3.15 Giao diÖn ®å ho¹ ng−êi dïng(GUI) cña øng dôngWebdialPage ... 80

H×nh 3.16 S¬ ®å m¹ng cho øng dông WebdialPage........................................ 81

H×nh 3.17 S¬ ®å m¹ng cho øng dông Call Waiting Internet ........................... 82

H×nh 3.18 Cuéc gäi Call Waiting Internet ..................................................... 83