IPv6使命及趋势展望_04 - 移动世界的IPv6（英文）

China global IPv6 Summit IPv6 in the Mobile World Apri3.2003 SAMSUNG ELECTRONICS CO, Ltd

China Global IPv China Global IPv 6 Summit

Agenda Arrival of IPv6 Era Wireless Network Trend Mobile World IPv6 Samsung Mobile Phones IPv6

Arrival of PYb Era

Transformation of telecommunication Network Past Present Separated Network Partially Integrated Voice Data (Voice, Data, Wired, Wireless) Network Mobile Data Voice PSTN Internet ATM Switch IP Router z STM ATM IP C PDsN Ci IP Router Exchange MSC .MSC: Mobile Switching Center .ATM: Asynchronous Transport Mode . PDsn Packet Data Service Node IP: Internet Protocol STM: Synchronous Transport Mode

Transformation of Telecommunication Network Transformation of Telecommunication Network Past Separated Network Separated Network (Voice, Data, Wired, Wireless) (Voice, Data, Wired, Wireless) Present Present Partially Integrated Voice & Data Partially Integrated Voice & Data Network Network Mobile Mobile N/W PSTN Data N/W MSC ATM Switch IP Router Switch Data Voice Exchange IP Router STM ATM IP MS C PDSN PSTN Internet •PDSN : Packet D ata Service N ode •STM : Synchronous Transport Mode •M SC : Mobile Switching Center •ATM : Asynchronous Transport Mode IP : Internet Protocol

Advantages of IP O Future Network Requirements Broadband, Low Cost, Data/Voice/Multimedia stream ATM→AP ATM P Service loice Data QOS Guaranteed No Guarantee Efficiency Low(Packet-Cell) High(Packet+Packet Tech Evolution Multi Function(MSS) Broadband(Tera Router Preference Telco New Operator, ISPs Cost High Ow MMS Multi Service Switch

Advantages of IP Advantages of IP Future Network Requirements : Future Network Requirements : Broadband, Low Cost, Data / Voice / Multimedia stream Broadband, Low Cost, Data / Voice / Multimedia stream - ATM → All IP Service QoS Efficiency Tech. Evolution Preference Cost ATM IP Voice Guaranteed Low(Packet→Cell) Data No Guarantee High(Packet→Packet) Multi Function(MSS) Broadband(Tera Router) Telco New Operator, ISPs High Low * MMS : Multi Service Switch

Future network Integrated Single Network SoftSwitch All P Network IP Switch WGW AGW/TGW Mobile network PSTN Data Network .WGW: Wireless Gateway TGW: Trucking Gateway AGW: Access Gateway

Mobile Network PSTN All IP Network All IP Network WGW AGW/TGW IP Switch Future Network Future Network Integrated Single Network Integrated Single Network Data Network SoftSwitch SoftSwitch •WGW : Wireless Gateway TGW : Trucking Gateway AGW : Access Gateway

IP Network Evolution(1) First Stage ( Before IPv4) Second Stage(Current IPv4) Interconnection between Global network through IPv4 heterogeneous networks Integration of heterogeneous through gateway networks No global connectivity Internet revolution ALG ALG ALG IPy4 ALG Pv4」 ALG 1 IPv4 ALG: Application Layer Gateway

ALG : Application Layer Gateway ALG ALG ALG ALG IPv4 IPv4 IPv4 IPv4 IP Network Evolution ( 1 ) IP Network Evolution ( 1 ) First Stage (Before IPv4) - Interconnection between heterogeneous networks through gateway - No global connectivity Second Stage(Current IPv4) - Global network through IPv4 - Integration of heterogeneous networks - Internet Revolution ALG IPv4

IP Network Evolution(2) Third Stage(IPv4& IPv6) Final Stage(IPv6 Only) -Network Integration Device Integration(P Address) Noice/Data, Telecom/Broadcasting) Any Time, Anywhere, Any Media Emergence of New Service All IP Depletion of iPv4 Address Wired Mobile Comput Netwo LPV6 ALC IPv6 ALG ALG PSDN Core Network Broadcast ALG P Broadcast ome DevI IT Device

IPv6 IPv6 IPv4 IPv4 ALG Mobile ALG ALG Wired Home Device Broadcast ALG IPv6 Core Network Core Network Mobile Computer Network PSDN Broadcast IT Device Mobile PSTN Home Device IP Network Evolution ( 2 ) IP Network Evolution ( 2 ) Third Stage (IPv4 & IPv6) -Network Integration (Voice/Data, Telecom/Broadcasting) · Emergence of New Service · Depletion of IPv4 Address Final Stage (IPv6 Only) -Device Integration (IP Address) -Any Time, Anywhere, AnyMedia All IP

Issues on Py4 Depletion of IP Address o Total number of ipya address i 4,3 billion Remaining IP Address: 0.5-0.6 billion Needed IP by region(Asia 2.5bil, EU 0. 25bil Africa 0.8 bil) Demand for more p address o Various devices will require IP address Consumer electronic goods, Wireless Internet, Mobile phones Lack of Scalability o Scalability of internet is limited by routing table capacity Lack of Security o IPsec(Internet Protocol Security) needs to be implemented

Total number of IPv4 address : 4.3 billion - Remaining IP Address: 0.5- 0.6 billion - Needed IP by region (Asia 2.5bil., EU 0.25bil. Africa 0.8 bil.) Depletion of IP Address Depletion of IP Address Scalability of internet is limited by routing table capacity IPsec(Internet Protocol Security) needs to be implemented Lack of S Lack of Scalability Lack of Security Lack of Security Various devices will require IP address - Consumer electronic goods, Wireless Internet, Mobile phones Demand for more IP Address Demand for more IP Address Issues on IPv4 Issues on IPv4

IPy4 VS, IPV6 IPv4 IPv6 Depletion fiPy4 32bit address space 128bit address space Plenty of IP Address 43B) (almost infinite) address Difficult Manual Auto Confiquration asy sage Configuration Usage Lack of sec Is Mandated security Optional Built-In Psec securit Lack of Less features to Scalable QoS support Qos Flow label QoS Lack of Triangle Resolve Triangle Better Mobility Routing problem Routing problem Mobility

IPv4 vs. IPv6 IPv4 vs. IPv6 IPv4 IPv6 32bit address space (4.3B) Manual Configuration IPsec is Optional Less features to support QoS Triangle Routing problem Lack of Mobility Lack of Lack of Mobility Mobility Difficult Usage Difficult Difficult Usage Lack of QoS Lack of Lack of QoS Lack of security Lack of Lack of security security Depletion of IPv4 Address Depletion Depletion of IPv4 of IPv4 Address Address Better Mobility Better Mobility Mobility Mandated security Mandated Mandated security security Scalable QoS Scalable Scalable QoS Plenty of IP address Plenty of IP Plenty of IP address address Easy Usage Easy Usage 128bit address space (almost infinite) Auto Configuration Built-In IPsec Flow label Resolve Triangle Routing problem