Broadband Convergence Network Design

Transcription

1 Broadband Convergence Network Design Byung-Chang Kang, VP 1/27

2 Contents Network Trend BcN Overview BcN Transport BcN Services Samsung s BcN Solution 2/27

3 Paradigm Shift Emerging Era : Integration of Comm., Broadcast and Internet Digital convergence due to Digital technology improvement - Network technology and performance improvement - Computing power growth Movie Music News Game VOD Voice Broadband convergence Network Data Broadcasting Terrestrial Satellite Cable Internet FTTC+xDSL/LAN FTTH or HFC Comm. Network Wired Wireless Satellite Improvement of Digital Technology Improvement of Network Technology Growth of Computing Power Network 3/27

4 As a Result - Rapid Growth of Internet Users Worldwide Internet Users (Unit : Million) Latin-America 6.51% Africa 1.56% Canada & USA 29.01% Asia/Pacific 31.04% Middle-East 2.14% Europe 27.73% [Source: KRNIC, Internet World Stats] Growing Potential due to Internet Multimedia!!! 4/27

5 As a Result - Rapid Growth of Wireless Users Total Mobile Subscribers Internet-enabled Handsets Mobile Data Users [Unit : 10 million] Total Mobile Subscribers Internet-enabled Handsets Mobile Data Users Growing Potential due to Wireless Multimedia!!! 5/27

6 As a Result - Rapid Evolution of Services Transmission rate [b/s] 1G 100M 50M 20M FTTH VDSL On-line 3D game HD quality TV broadcasting, VoD 3D video, on-line virtual 3D game Network-based robot & computing High quality Internet broadcasting Full screen VoD, P2P file transfer 10M 1M ADSL, Cable Modem Text-based chatting MP3 music, JPEG On-line 2D game Internet broadcasting (small screen) Small screen VoD, etc /27

7 Korean Government s s Vision The IT839 Strategy 8 New Services 3 Infrastructures 9 IT New Growth Engine WiBro DMB Home N/W Telematics RFID W-CDMA Terrestrial DTV Internet Telephony (VoIP) Broadband convergence N/W (BcN) Ubiquitous Sensor N/W (USN) IPv6 NG Mobile Communication Digital TV Home N/W IT SoC Next-Generation PC Embedded S/W Digital Contents Telematics Intelligent Service Robot 7/27

8 BcN Concept Next generation converged network which can provide QoS guaranteed communication and broadcasting services at anytime, anywhere and with any devices Application Services Open API QoS Security IPv6 Wired/Wireless Voice/Data Comm./Broadcast Wired Comm. FTTH Broadband Wireless Comm. Telephony Internet CATV DMB Home N/W UB Network Integrated information devices 8/27

9 BcN Architecture BcN layered architecture Application Server Service Softswitch OAM & Provisioning AAA Security Control BcN Transport Transport Gateway Access 9/27

10 Present Transport Issues Present Service-dependent N/W - Data/Voice, Wire/Wireless - Communication/Broadcasting Not guaranteed QoS Not managed network Insufficient security Deficiency in IP address Insufficient revenuegenerating services BcN Converged network - MPLS/GMPLS-based IP IP network QoS guaranteed network - Flow based end-to-end QoS Managed IP networks - SLA, flow, fault management - Perfect FCAPS Network-based security - Authorization/Authentication -IPsec, SSH, Cryptography Deployment of IPv6 Support new services for pay 10/27

11 Key Factors in BcN Transport QoS Guaranteed Broadband Manageable Converged Network Secure 11/27

12 Requirement of BcN Transport - Convergence Currnet Network BcN Services Services (Application Server) ATM Switch Toll/Tandem IP Router MSC Headend Control Servers Wired N/W Data N/W Wireless N/W Broadcast N/W Convergence Edge Network Wireless Access IP-based BcN Transport MGW Wireline Access MGW Access network Separated Network per Services IP-base Converged Network 12/27

13 Requirement of BcN Transport - QoS End-to-End QoS Guaranteed BcN Transport Premium IP End-to-End QoS Guarantee MPLS GMPLS Network Control for E2E QoS Guarantee OXC End-to-End QoS Guaranteed Network QoS guaranteed premium BcN transport network - Based on MPLS/GMPLS Broadband optical transport network - Deployment of of OXC Efficient QoS, SLA, traffic, billing management network Traffic engineered and traffic monitored network 13/27

14 Requirement of BcN Transport - QoS End-to-End QoS Controllable Network Network Control System Softswitch Policy Server QoS Configuration Directory server Monitoring Server Call Admission control Bandwidth control Charging Server AGW AGW Edge Router Core Router Core Router Edge Router Consistent QoS End-to-End QoS Control through Management System 14/27

15 Requirement of BcN Transport - QoS Network Element Control for Flow/LSP QoS Network Control System NE control for QoS SLA (per Subscriber, per Service) Network Element Traffic Profile Packets Meter Classifier Marker Shaper Dropper.. Traffic Conditioner Queue Management Classifier, Traffic Conditioner, Queue Control for QoS 15/27

16 Requirement of BcN Transport - QoS QoS Guarantee through Connection Admission Control Network Control System Bandwidth Available Bandwidth SSW Contents Resource Request/Reply Network Resource DB Allocated Bandwidth Time New Flow VoD G/W IP-TV Connection Request/Reply Flow Accept Network Resource Resource Monitoring Effective Rate Allocation Available Resource In Service Flow Flow Deny Accept or Reject the Requested Services based on Network Resource Availability 16/27

17 Requirement of BcN Transport - Management Manageable Network through Centralized Control System Network Control System Configuration Performance Policy Admission Control Fault Reporting SLA Efficient Network Management Configuration management - Provisioning function Performance management - SLA monitoring Fault management - Network/Element failure - Protection/Restoration Traffic management - Traffic monitoring -NetFlow, cflowd Policy management 17/27

18 Requirement of BcN Transport - Management Performance Management through OAM SLA parameters - Availability ( %), User request bandwidth - Delay, Delay variance, Loss rate In case of performance degradation, protection/restoration may be occurred by network control system [Statistics for SLA] NTP Statistics Trap (MPLS, VLAN Fault) Identifier Path ID : 5 Availability % Bandwidth 100M Performance Delay 5ms Jitter 2ms Loss Rate 10-9 OAM Frame Insertion Ingress SNMP Agent SNMP Agent OAM Frame Processing Path ID : 5 OAM OAM Egress 18/27

19 Requirement of BcN Transport - Management Traffic Management through Data Analysis : cflowd case Network Control System Flow Data Anayzer Flow Data Storage Data Base HTMP Applet GUI Viewer GUI Module Flow Collector DBMS Query Report Module TCP flowmediator flowmediator cflowd Re-Ordering FlowData cflowd Re-Ordering FlowData cflowdmux Flow Raw Data cflowdmux Flow Raw Data UDP UDP Network Element Network Element 19/27

20 Requirement of BcN Transport - Security Secure Network through Network-based Security Network Security Intrusion Detection Host Security Traffic Control Integrated Security Control Intrusion Isolation Network-base Security Control & Monitoring Deployment of Networkbased security Intrusion detection, isolation, and traffic monitoring by network control system AAA function - Authorization - Authentication - Account Traffic monitoring - Detection of of DoS, DDoS 20/27

21 Requirement of BcN Transport - Security User Authentication through Network Control System VoIP Service Domain 1 Credential Database VPN Service Domain 2 Credential Database VLL Service Domain 3 Credential Database Multimedia Service Domain 4 Credential Database Customer Service Authentication Service Portal Network, Service Authentication Request Network Control System Authentication & Authorization Policy & Credential Database Integrated Authentication Server (SSO : Single Sign-On) Network Access Authentication BcN 21/27

22 Requirement of BcN Transport - Services Realize BcN World with Any-X solution Any-X Any Time Any Where Any One Any Device Any Media 22/27

23 Requirement of BcN Transport - Services IPv6 HDTV Intelligent Appliance Home Robot Home High Quality VoD IP Video Video Phone BcN (Any-X X Solution) Mobile Game GPS Mobile Video Navigation Outdoor Telematics IP/Ethernet VPN Video Conference Enterprise Video Phone Mobile Office 23/27

24 BcN Service Deployment Video Phone Video Phone Service Delivery through BcN Transport Network Resource DB 4. Search path & Decide Resource availability (Source/Dest IP,BW) 5. Update Resource information 2. Decide Resource Spec (Source/Dest IP, BW) Call Server 3. Reservation Request (Call ID, Source/Dest IP,BW ) Network Control System 6. Reservation Request Result (OK) 7. INVITE (SDP) 9. Ring/ACK 1. INVITE (SDP) 10. RING/ACK Core SE SE Core Core 11. Talking MPLS Path Core SE 8. Alerting 24/27

25 BcN Service Deployment - XoD XoD Service through BcN Transport XoD : VoD, EoD, etc... Network Control System Path configuration (MPLS LSP) Contents Provider VoD Headend S.E Contents Delivery S.E Contents Distribution Server Subscriber Access Network VoD Headend S.C VoD Headend S.E BcN S.E Access Network VoD Contents Server 25/27

26 BcN Service Deployment - IP TV IP-TV Service through BcN Transport Network Control System Program Provider KBS MBC SBS Headend IP-TV path Configuration (MPLS LSP) Access Network S.E Headend S.E S.C BcN S.E IP-TV Stream delivery (Broadcasting/Multicasting) Headend S.E Subscriber Access Network Encoder (MPEG4, H264) Access Network 26/27

27 Samsung s s Solution for BcN Softswitch MSC Control/ Transport IP/MPLS Switch IPv6 Router BcN (Premium Internet) Wireless G/W Access Trunk G/W E-PON OLT Access G/W E-PON ONT GGSN Wireless SGSN Mobile Phone Video Phone IP STB Home Cable STB BSC Devices Home G/W WLAN Phone PDA Phone 27/27

28 Thank You!