ieee 802.16/와이브로 isp 액세스망 적용시나리오및 ipv6...

IEEE 802.16/IEEE 802.16/와이브로와이브로 ISP ISP 액세스액세스망망적용적용시나리오시나리오및및 IPv6 IPv6 링크링크표준표준모델모델

한국기술교육대학교한국기술교육대학교

한연희한연희

[email protected]@kut.ac.kr2006.03.302006.03.30

IPv6 기반컨버젼스핵심표준기술워크숍

Table of ContentsTable of ContentsIntroductionIntroduction

IPv6 Technical Issues over IPv6 Technical Issues over WiBroWiBro

IPv6 Deployment Scenario over IPv6 Deployment Scenario over IEEE802.16/WiBro NetworksIEEE802.16/WiBro Networks

ConclusionsConclusions


IntroductionIntroduction


Why IPv6 overWhy IPv6 over WiBro?WiBro?

-무한대에가까운주소공간-효율적인이동성지원-주소자동구성기능-효율적인라우팅-보안측면강화

IPv6

Efficient and Complete Support for

Peer-to-Peer (P2P) applications

-시간과공간의제약없이인터넷이용

- Link(BS)/IP 이동성지원-무선 IP 기반의Personal Broadband 서비스

WiBro

이동 (휴대) IP 기반TPS (Triple Play Service) 실현으로 새로운디지털

패러다임창출

TPS: 초고속인터넷, 전화(VoIP), 방송(IP-TV)

디지털컨버젼스

유비쿼터스

All-IP 네트워킹

IP 기반유무선통합

2


국내외국내외표준화표준화 TrendsTrendsIETFIETF

16ng (BoF) 16ng (BoF) –– IPv6 over IEEE 802.16IPv6 over IEEE 802.1620052005년년 1111월에월에 새롭게새롭게 신설신설 –– 100100여명여명 참석참석 (WG(WG화화 5656명명 찬성찬성, 2, 2명명 반대반대))한국한국 연구자들이연구자들이 주도적으로주도적으로 참여참여

MIPSHOPMIPSHOPFMIPv6 over WiBro FMIPv6 over WiBro 제안건제안건((삼성삼성, ETRI) WG Item , ETRI) WG Item 채택채택 유망유망

WiMAXWiMAXNWGNWG

Release 2Release 2에는에는 IPv6 IPv6 및및 Mobile IPv6 Mobile IPv6 관련관련 기술을기술을 넣는넣는 계획계획 수립수립IPv6 IPv6 SubteamSubteam 구성구성

IETF 16ng IETF 16ng 의의 결과를결과를 WiMAXWiMAX에서에서 활용하려고활용하려고 함함

IEEEIEEEIEEE 802.16gIEEE 802.16g

네트워크네트워크 측면에서의측면에서의 관리관리 및및 제어제어 평면평면 규격규격 정의정의

TTATTAIPv6 over IPv6 over WiBroWiBro WGWG ((IPv6 PG IPv6 PG –– PG210)PG210)

20052005년년 1010월경월경 신설신설 -- 20062006년년 국내국내 고유고유 표준표준 제정제정 목표목표IPv6 Forum KoreaIPv6 Forum Korea

Mobility WGMobility WGIPv6 over IEEE802.16 IPv6 over IEEE802.16 연구연구

3


The 64The 64thth IETF 16ng BoF Agenda IETF 16ng BoF Agenda (2005.11)(2005.11)IETF 16ng Agenda IETF 16ng Agenda –– 1111월월 88일일 ((의장의장: : 박수홍박수홍--Samsung DM, GabrielSamsung DM, Gabriel--Microsoft)Microsoft)

An Introduction to IEEE 802.16(e) (15 minutes)An Introduction to IEEE 802.16(e) (15 minutes)presenter: presenter: HannesHannes TschofenigTschofenig <<[email protected]@siemens.com>>

WiMAX Forum Network Working Group Overview, (15 minutes)WiMAX Forum Network Working Group Overview, (15 minutes)presenter: presenter: ParvizParviz YeganiYegani <<[email protected]@cisco.com>>

IEEE 802.16 and NETLMM Overview, (5 minutes)IEEE 802.16 and NETLMM Overview, (5 minutes)presenter: James presenter: James KempfKempf <<kempf@[email protected]>>

IPv6 Deployment over IEEE 802.16IPv6 Deployment over IEEE 802.16, (5 minutes), (5 minutes)presenter: Yupresenter: Yu--SeonSeon Kim <Kim <[email protected]@kt.co.kr>>

Transport of IP over IEEE 802.16Transport of IP over IEEE 802.16, (10 minutes), (10 minutes)presenter: Jeff presenter: Jeff MandinMandin <<jeff@[email protected]> >

Scenarios and Considerations of IPv6 in IEEE 802.16 NetworksScenarios and Considerations of IPv6 in IEEE 802.16 Networks, (10 minutes), (10 minutes)presenter: presenter: MyungMyung--KiKi Shin <Shin <[email protected]@pec.etri.re.kr>>

IPv6 NDP Implications in IEEE 802.16IPv6 NDP Implications in IEEE 802.16, (10 minutes), (10 minutes)presenter: presenter: SyamSyam MadanapalliMadanapalli <<[email protected]@samsung.com>>

Fast Mobile IP Handovers over IEEE 802.16e NetworksFast Mobile IP Handovers over IEEE 802.16e Networks, (10 minutes) , (10 minutes) presenter: Rajeev presenter: Rajeev KoodliKoodli <<[email protected]@iprg.nokia.com> >

16ng Problem Statements16ng Problem Statements, (5 minutes), (5 minutes)presenter: presenter: JunghoonJunghoon JeeJee <<[email protected]@etri.re.kr>>

Overview of proposed charter, (5 minutes)Overview of proposed charter, (5 minutes)presenter: chairspresenter: chairs

Charter discussion, (25 minutes)Charter discussion, (25 minutes)presenter: chairspresenter: chairs

4


The 65The 65thth IETF 16ng BoF Agenda IETF 16ng BoF Agenda (2006.03)(2006.03)IETF 16ng Agenda IETF 16ng Agenda –– 33월월 2222일일 ((의장의장: : 박수홍박수홍--Samsung DM, GabrielSamsung DM, Gabriel--Microsoft)Microsoft)

16NG Problem Statement16NG Problem Statement, (20 minutes), (20 minutes)Presenter: Presenter: JunghoonJunghoon JeeJee<<[email protected]@etri.re.kr>>

WiMAXWiMAX Forum NWG Stage 3 work for IPv6Forum NWG Stage 3 work for IPv6, (10 minutes), (10 minutes)presenter: presenter: BasavarajBasavaraj PatilPatil <<[email protected]@nokia.com>>

IPv6 over IEEE 802.16 Solution FrameworkIPv6 over IEEE 802.16 Solution Framework, (10 minutes), (10 minutes)presenter: presenter: SyamSyam MadanapalliMadanapalli <<[email protected]@samsung.com>>

Charter discussion, (50 minutes)Charter discussion, (50 minutes)presenter: Yupresenter: Yu--SeonSeon Kim <Kim <[email protected]@kt.co.kr>>

IPv6 NDP for Common Prefix Allocation in IEEE 802.16IPv6 NDP for Common Prefix Allocation in IEEE 802.16, (5 minutes), (5 minutes)presenter: presenter: HongseokHongseok JeonJeon

IPv6 Packet IPv6 Packet TramsmissionTramsmission over 802.16 Networksover 802.16 Networks, (5 minutes), (5 minutes)presenter: presenter: MyungkiMyungki Shin <Shin <[email protected]@pec.etri.re.kr>>

RealReal--Time usage of IEEE 802.16: Problem StatementTime usage of IEEE 802.16: Problem Statement, (5 minutes), (5 minutes)presenter: Pedro presenter: Pedro NevesNeves

QoSQoS Aware RealAware Real--Time Support for IPv6 in IEEE 802.16 Backhaul scenariosTime Support for IPv6 in IEEE 802.16 Backhaul scenarios, , (5 minutes)(5 minutes)

presenter: Pedro presenter: Pedro NevesNeves

5


AR (PAA)

RAS(Radio Access Station)

AR (PAA)

Public Internet

IP Network

HA(Home Agent)

ACR(Access Control Router)

PSS(Portable Subscriber Station)

IEEE 802.16/WiBroIEEE 802.16/WiBroNetwork Model in WiBro Network Model in WiBro

CN(Correspondent Node)

6


AR (PAA)

RAS(Radio Access Station)

AR (PAA)

Public Internet

IP Network

HA(Home Agent)

ACR(Access Control Router)

PSS(Portable Subscriber Station)

IPv6 over IEEE 802.16/WiBroIPv6 over IEEE 802.16/WiBroIPv6 & Network Model in WiBro IPv6 & Network Model in WiBro

IEEE 802.16e

IPv6 Protocol Suite

(Neighbor)

FMIPv6

MIPv6 CN(Correspondent Node)

7


IPv6 Technical Issues over WiBroIPv6 Technical Issues over WiBro

IPv6 Link Model Determination (Packet IPv6 Link Model Determination (Packet Transport)Transport)

IPv6 Multicast Address MappingIPv6 Multicast Address Mapping

IPv6 Neighbor Discovery ServiceIPv6 Neighbor Discovery Service

IPv6 Mobility ServiceIPv6 Mobility Service

Fast IPv6 Mobility over WiBroFast IPv6 Mobility over WiBro

8


IPv6 Link Model DeterminationIPv6 Link Model Determination(Packet Transport)(Packet Transport)


Link Model DeterminationLink Model Determination

Service SpecificConvergence Sublayer

(CS)

MAC Common Part Sublayer(MAC CPS)

Privacy Sublayer

Physical Layer(PHY)

PHY SAP

MAC SAP

CS SAP

MAC

PHY

1) Transformation or mapping of external network data1) Transformation or mapping of external network data2) Classifying external network 2) Classifying external network SDUsSDUs and associating them and associating them to the proper MAC service flow and Connection IDto the proper MAC service flow and Connection ID

IP

UD

P

TCP

IP

IPv4 Packet Mapping

IPv6Packet header

How to efficiently map ?

Convergence Layer & IPv6 Packet TransportConvergence Layer & IPv6 Packet Transport

9



IEEE 802.16 LinkIEEE 802.16 Link

IPv6 Link (Subnet)IPv6 Link (Subnet)

MS1MS1

BSBS(RAS)(RAS)

ARAR(ACR)(ACR)

MS3MS3

MS2MS2

From the viewpoint of IPv6 ND, BS is just linkFrom the viewpoint of IPv6 ND, BS is just link--level bridge. Unlike IEEE 802.11, however, level bridge. Unlike IEEE 802.11, however, IEEE 802.16 BS is always acting as the termination point for a cIEEE 802.16 BS is always acting as the termination point for a communication ommunication by using by using Connection IDConnection ID instead of MAC address instead of MAC address

IEEE 802.11 MAC HeaderIEEE 802.11 MAC HeaderFrameControl

DurationID Addr 1 Addr 2 Addr 3 Addr 4Sequence

Control

2 2 6 6 6 62

802.11 MAC Header

Bytes:

Recipient Recipient AddrAddr..

Transmitter Transmitter AddrAddr..

802.16 MAC Header

FromDSFromDS: Original Source : Original Source AddrAddr., ., ToDSToDS: Final Destination : Final Destination AddrAddr..

Special Special AddrAddr..

IEEE 802.16 Link vs. IPv6 Link (Subnet)IEEE 802.16 Link vs. IPv6 Link (Subnet)

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Link Model DeterminationLink Model DeterminationA Recipe for IP transport over IEEE 802.16A Recipe for IP transport over IEEE 802.16

Determine an IP Determine an IP Link(subnetworkLink(subnetwork) model ) model a.a. Can view the PMP (PointCan view the PMP (Point--toto--Multipoint) network as a collection of Multipoint) network as a collection of

pointpoint--toto--point linkspoint links ((WiBroWiBro))

b.b. Can create an Can create an ““emulated broadcast networkemulated broadcast network”” at layer 2 which the at layer 2 which the IP layer then regards as a regular IEEE 802IP layer then regards as a regular IEEE 802--style broadcast style broadcast networknetwork

Implement the Implement the subnetworksubnetwork model in the 802.16 PMP model in the 802.16 PMP network via the following steps:network via the following steps:1)1) Determine an Determine an ““appropriateappropriate”” 802.16 CS802.16 CS

a.a. Ethernet CSEthernet CS

b.b. IP CS (IP CS (WiBroWiBro))

2)2) Define how to configure the classifier tables in the CS (either Define how to configure the classifier tables in the CS (either statically or dynamically) to support the statically or dynamically) to support the subnetworksubnetwork modelmodel

3)3) If necessary, place additional (and hopefully simple) If necessary, place additional (and hopefully simple) functional elements into the protocol stack between the IP functional elements into the protocol stack between the IP layers and the 802.16 MAC (layers and the 802.16 MAC (WiBroWiBro에서는에서는 고려고려 안함안함))

11



MS1MS1

BSBS(RAS)(RAS)

ARAR(ACR)(ACR)

MS3MS3

MS2MS2

Ethernet HeaderEthernet Header(Source MAC, Destination (Source MAC, Destination

MAC)MAC)

IPv6 HeaderIPv6 Header(Source IP, Destination IP)(Source IP, Destination IP)

Ethernet HeaderEthernet Header(Source MAC, Destination (Source MAC, Destination

MAC)MAC)


MS1MS1

BSBS(RAS)(RAS)

ARAR(ACR)(ACR)

MS3MS3

MS2MS2



GRE HeaderGRE Header

DATA PayloadDATA Payload

DATA PayloadDATA Payload DATA PayloadDATA Payload


DATA PayloadDATA Payload

Ethernet CS IP CS / GRE Tunnel

WiBro’s approach. But the followings happen:

1) Stateful network monitoring2) Unsolved problems with IPv6 autoconf.3) Difficult to support for control plane

protocols4) Difficult to support for peer-to-peer

communication in a IPv6 link

Overload on Wireless Links

12


IPv6 Multicast Address MappingIPv6 Multicast Address Mapping


IPv6 Multicast Address Mapping IPv6 Multicast Address Mapping IPv6 Signaling Multicast may put heavy loads on the wireless linIPv6 Signaling Multicast may put heavy loads on the wireless linkk

3ffe:1111::13ffe:1111::1New PSS

RSRS RARA

3ffe:1111::1 3ffe:1111::1

NSNS

3ffe:1111::1New PSS

3ffe:1111::1New PSS

NANA

[[접근방법접근방법]]Option 1: RS/RAOption 1: RS/RA를를 내보내지내보내지 않음않음-- MAC Singling Message MAC Singling Message 내에내에 RS RS 및및 RARA를를 Embed Embed 함함Option 2: RS/RAOption 2: RS/RA를를 UnicastUnicast로로 보냄보냄--RouterRouter의의 주소를주소를 미리미리 단말에게단말에게 알려주어야알려주어야 함함

Option 3: Simulated Multicast using Option 3: Simulated Multicast using UnicastUnicast--무선구간에무선구간에 부하가부하가 심함심함

Option 4: IP SignalingOption 4: IP Signaling 위한위한 New Multicast New Multicast -- CID CID 할당할당 및및 효율적효율적 Multicast Multicast 방법방법 구현구현

13


IPv6 Multicast Address Mapping IPv6 Multicast Address Mapping

IPv6 Multicast Address (IPv6 link scope)IPv6 Multicast Address (IPv6 link scope)allall--nodes multicast address nodes multicast address –– FF02::1FF02::1allall--routers multicast address routers multicast address –– FF02::2FF02::2solicitedsolicited--node multicast address node multicast address –– FF02::1:FFxx:xxxxFF02::1:FFxx:xxxxSpecificSpecific--purpose multicast address purpose multicast address

Mapping: IPv6 Mapping: IPv6 ↔↔ IEEE 802 MACIEEE 802 MAC

IPv6 Multicast Address8 16 24 32

FF...:

33-33-MAC Multicast Address

Transmission of IPv6 packets over Ethernet (RFC 2464)

14


IPv6 Multicast Address Mapping IPv6 Multicast Address Mapping

How to map into Connection ID?How to map into Connection ID?Case of IP CSCase of IP CS

IPv6 Multicast Address IPv6 Multicast Address ⇔⇔ Connection IDConnection ID

Case of Ethernet CSCase of Ethernet CSIPv6 Multicast Address IPv6 Multicast Address ↔↔ Ethernet MAC Ethernet MAC ⇔⇔ Connection IDConnection ID

It seems to be a standardization item in It seems to be a standardization item in ““IETFIETF””WiMAX will use the result.WiMAX will use the result.SAIT will submit a draftSAIT will submit a draft

기타기타

MLD (Multicast Listener Discovery) MLD (Multicast Listener Discovery) 를를 어떻게어떻게 Deployment Deployment 할할 것인가것인가??IEEE 802.16 MBS IEEE 802.16 MBS 서비스와서비스와 어떻게어떻게 연동할연동할 것인가것인가??

15


IPv6 Neighbor Discovery ServiceIPv6 Neighbor Discovery ServiceWhy IPv6 ND ?Why IPv6 ND ?

Address Address AutoconfAutoconf. and Duplicate Address Detection. and Duplicate Address DetectionPeerPeer--toto--peer communication in a IPv6 linkpeer communication in a IPv6 link

Specific Protocols for IPv6 ND ServicesSpecific Protocols for IPv6 ND ServicesRedirect Redirect NANA

Adaptation to WiBroAdaptation to WiBro

Whether or not stateless address Whether or not stateless address aucoconfaucoconf in in WiBroWiBro



Ethernet CS, IP CS (Adaptation to WiBro)Ethernet CS, IP CS (Adaptation to WiBro)

What Policy? What Policy? (Whether or not stateless address (Whether or not stateless address aucoconfaucoconf in in WiBro)WiBro)




NotesNotes

RedirectRedirect

Duplicate Address Duplicate Address DetectionDetection

Neighbor Unreachability Neighbor Unreachability DetectionDetection

NextNext--hop determinationhop determination

Address ResolutionAddress Resolution

Address Address AutoconfigurationAutoconfiguration

Parameter DiscoveryParameter Discovery

Prefix DiscoveryPrefix Discovery

Router DiscoveryRouter Discovery

NSNSRARARSRS

16



Router (ACR)/Prefix/Parameters DiscoveryRouter (ACR)/Prefix/Parameters DiscoveryRouter (ACR), OnRouter (ACR), On--link link PreifxPreifx, Link MTU , Link MTU 정보들을정보들을 어떻게어떻게 단말기에단말기에알려주는가알려주는가??Original Method (in multicast manner)Original Method (in multicast manner)

RS/RA Exchange orRS/RA Exchange orReceipt of (Periodic) Unsolicited RAReceipt of (Periodic) Unsolicited RA

AlternativesAlternatives1)1) 망망 접속시에접속시에 한번의한번의 Unsolicited RAUnsolicited RA를를 보낸다보낸다..2)2) Network Entry Network Entry 과정과정 시시 IEEE 802.16 MAC Management IEEE 802.16 MAC Management 메시지메시지 내에내에위위 정보를정보를 넣어서넣어서 보내준다보내준다..

17



Stateless Address AutoStateless Address Auto--configuration & DADconfiguration & DADStateless AutoStateless Auto--confconf를를 지원해야지원해야 하나하나??만약만약 지원한다면지원한다면……어떻게어떻게 DAD (Uniqueness Test)DAD (Uniqueness Test)를를 할할 수수 있나있나??어떻게어떻게 제어국쪽의제어국쪽의 CS LayerCS Layer에게에게 생성된생성된 IPv6 IPv6 주소를주소를 통보하는가통보하는가??

Original MethodOriginal Method단말이단말이 OnOn--link Prefixlink Prefix와와 자기자기 자신의자신의 IDID를를 Combine Combine 하여하여 구성구성NS/NA Exchange for DAD in multicast mannerNS/NA Exchange for DAD in multicast manner

AlternativesAlternatives1)1) 각각 단말에게단말에게 고유의고유의 PrefixPrefix를를 할당하면할당하면 각각 단말이단말이 스스로스스로 주소를주소를생성하여도생성하여도 DAD DAD 를를 수행하지수행하지 않아도않아도 되게끔되게끔 한다한다..

2)2) Network Entry Network Entry 과정과정 시시 IEEE 802.16 MAC Management IEEE 802.16 MAC Management 메시지를메시지를 통하여통하여고유의고유의 주소를주소를 할당한다할당한다. (DHCP. (DHCP와와 다름다름))

18



NextNext--hop Determination & (Neighbor) Address Resolutionhop Determination & (Neighbor) Address ResolutionNextNext--hop Determinationhop Determination

Mapping: Destination IPv6 Address Mapping: Destination IPv6 Address →→ A Neighbor or A router?A Neighbor or A router?Address ResolutionAddress Resolution

Mapping: Mapping: A Neighbor or A routerA Neighbor or A router →→ LinkLink--layer Address (MAC)layer Address (MAC)단말단말 입장에서입장에서 Neighbor Neighbor 는는 누구인가누구인가??1)1) Only ACR (BS)?Only ACR (BS)?2)2) Include other terminalsInclude other terminalsIP CSIP CS를를 사용한다면사용한다면 구현구현 필요성이필요성이 없음없음

단말에서단말에서 필요한가필요한가? ? 필요하다면필요하다면 어떻게어떻게??Neighbor Neighbor 에게에게 직접직접 패킷을패킷을 보낼보낼 수수 있는가있는가??ACR ACR 이이 여러여러 개개 일일 수수 있는가있는가??위위 22 기능이기능이 필요필요 없다면없다면 NextNext--hop Determination hop Determination 은은 필요필요 없음없음

19



Neighbor Neighbor UnreachabilityUnreachability DetectionDetection어떻게어떻게 Neighbor NodeNeighbor Node가가 Reachable Reachable 한지한지 아닌지아닌지 알알 수수 있나있나??단말에서단말에서 필요한가필요한가? ? 필요하다면필요하다면 어떻게어떻게??단말단말 입장에서입장에서 Neighbor Neighbor 는는 누구인가누구인가??

1)1) Only ACR (BS)?Only ACR (BS)?2)2) Include other terminalsInclude other terminals

RedirectRedirectACRACR이이 더더 좋은좋은 NextNext--hophop을을 단말에게단말에게 알려주는알려주는 기능기능. . 단말에서단말에서 필요한가필요한가? ? 필요하다면필요하다면 어떻게어떻게??

20


IPv6 Mobility ServiceIPv6 Mobility Service


Mobile IPv6 over WiBroMobile IPv6 over WiBroRFC 3775 (June 2004)RFC 3775 (June 2004)MIPv6 over WiBroMIPv6 over WiBro

Easy DeploymentEasy DeploymentNo More Issues will remain if No More Issues will remain if ““IPv6 over IPv6 over WiBroWiBro”” technicaltechnical issues are issues are resolved.resolved.

Issues of Mobile IPv6 over WiBroIssues of Mobile IPv6 over WiBroMovement DetectionMovement Detection

1)1) RS/RA exchange (Original Method)RS/RA exchange (Original Method)2)2) Using router/prefix information embedded in L2 frameUsing router/prefix information embedded in L2 frameAddress Configuration and Confirmation (DAD)Address Configuration and Confirmation (DAD)

1)1) Terminal configures it and Terminal configures it and DADsDADs it? (Endit? (End--toto--End Approach)End Approach)2)2) Network allocates it?Network allocates it?Return Return RoutabilityRoutabilityLocation RegistrationLocation Registration

Mobile IPv6 is not handover management protocol but location & pMobile IPv6 is not handover management protocol but location & path ath update protocol.update protocol.

21


FMIPv6 (Fast Mobile IPv6) over WiBroFMIPv6 (Fast Mobile IPv6) over WiBro

RFC 4068 (July 2005) RFC 4068 (July 2005) -- Fast Handover over Mobile IPv6Fast Handover over Mobile IPv6약약 55년여년여 동안동안 걸쳐서걸쳐서 UpdateUpdate된된 프로토콜프로토콜

It can be the next step IPIt can be the next step IP--handover solution for WiBro handover solution for WiBro IETF Official Standardization ItemIETF Official Standardization Item

FMIPv6 over IEEE 802.16eFMIPv6 over IEEE 802.16eSAIT, Samsung DM, ETRI CollaborationSAIT, Samsung DM, ETRI Collaborationhttp://www.ietf.org/internethttp://www.ietf.org/internet--drafts/draftdrafts/draft--jangjang--mipshopmipshop--fh80216efh80216e--00.txt00.txt

Some optimization technique needed for WiBroSome optimization technique needed for WiBro

22


IPv6 Deployment Scenario IPv6 Deployment Scenario over IEEE802.16/WiBro Networksover IEEE802.16/WiBro Networks


IPv6 Deployment Scenario in IEEE 802.16 NetworksIPv6 Deployment Scenario in IEEE 802.16 Networks

How to provide the service?How to provide the service?CellularCellular--likelikeHotHot--zonezone

How to define system architecture?How to define system architecture?Router separation from BSRouter separation from BSBS and Router in one BoxBS and Router in one Box

How to allocate prefix?How to allocate prefix?A unique prefix to a SSA unique prefix to a SSA single prefix to attached A single prefix to attached SSsSSs

How to make Convergence SubHow to make Convergence Sub--layer?layer?IP CSIP CSEtehrentEtehrent CSCS

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How to provide the service?How to provide the service?

CellularCellular--like (e.g. WiBro)like (e.g. WiBro)BS might be deployed with a proprietary backend managed by BS might be deployed with a proprietary backend managed by an operatoran operatorAll standard IPv6 functionalities may not surviveAll standard IPv6 functionalities may not survive and some of and some of them might be compromisedthem might be compromised

Hot ZoneHot ZoneAn area served by one BS is usually termed An area served by one BS is usually termed ‘‘Hot ZoneHot Zone’’

Use unlicensed (2.4 & 5 GHz) band as well as licensed (2.6 & 3.5Use unlicensed (2.4 & 5 GHz) band as well as licensed (2.6 & 3.5GHz) bandGHz) band

Department store, Campus, FactoryDepartment store, Campus, Factory……BS will be deployed using an Ethernet (IP) backbone rather than BS will be deployed using an Ethernet (IP) backbone rather than a proprietary backend like cellular systems. a proprietary backend like cellular systems. Thus, Thus, many IPv6 functionalities will be preservedmany IPv6 functionalities will be preserved..

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How to define system architecture?How to define system architecture?Router separation from BS (e.g. Router separation from BS (e.g. WiBroWiBro))

A simple or complex network equipments may constitute the A simple or complex network equipments may constitute the underlying wired network between underlying wired network between BSsBSs and router.and router.IPv6 adoption to IEEE 802.16 may depend on the underlying IPv6 adoption to IEEE 802.16 may depend on the underlying network architecture network architecture

BS and Router in one BoxBS and Router in one BoxOnly IEEE 802.16 link will be taken into consideration for IPv6 Only IEEE 802.16 link will be taken into consideration for IPv6 adoption.adoption.

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How to allocate prefix?How to allocate prefix?A unique prefix to a SSA unique prefix to a SS

RFC 3314 recommends that 3GPP terminals generate multiple RFC 3314 recommends that 3GPP terminals generate multiple IPv6 address using IPv6 address using the unique prefix per terminalthe unique prefix per terminal without the without the concerns of address confliction.concerns of address confliction.Many IPv6 functionalities can be implemented without Many IPv6 functionalities can be implemented without difficulty.difficulty.

A single prefix to attached A single prefix to attached SSSsSs'Hot zone' scenario would not allow RFC 3314 'Hot zone' scenario would not allow RFC 3314 recommendationrecommendationThere will be more issues for adopting IPv6 to IEEE 802.16.There will be more issues for adopting IPv6 to IEEE 802.16.

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How to make Convergence SubHow to make Convergence Sub--layer?layer?IP CS (e.g. IP CS (e.g. WiBroWiBro))

Ethernet CSEthernet CS

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ConclusionsConclusions


Q & A?

ConclusionsConclusionsIPv6 over IPv6 over WiBroWiBro 기술기술

WibroWibro 시스템에시스템에 최적화된최적화된 IPv6 ProtocolsIPv6 Protocols의의 Adaptation Adaptation 기술기술 개발개발Transport, Multicast Address Mapping, Neighbor Discovery, MobiliTransport, Multicast Address Mapping, Neighbor Discovery, Mobilityty

국내국내 고유고유 표준표준 개발개발TTA TTA 표준표준 & IPv6 Forum & IPv6 Forum 표준표준

국내국내 표준에표준에 대한대한 국제국제 표준화표준화IETF 16ng, IETF 16ng, WiMAXWiMAX 등등

IPv6 over IEEE 802.16 Hot Zone ServiceIPv6 over IEEE 802.16 Hot Zone ServiceCompatibility to the existing IPv6 devicesCompatibility to the existing IPv6 devicesEfficiently keep the all IPv6 featuresEfficiently keep the all IPv6 features

Development of IPDevelopment of IP--based Service & Application over WiBrobased Service & Application over WiBro

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ieee 802.16/와이브로 isp 액세스망 적용시나리오및 ipv6...

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