Transcript 유무선망을 위한 WLAN 서비스 방향

Service & Network
Convergence with WLAN
Hanwook Jung
Assistant VP, KT
순서
 Convergence Layers
 WLAN as a common access
 BT21CN and WLAN
 Network Intelligence





Traffic Increase after convergence
유무선 convergence
초고속 + WLAN
신인증 + WLAN
홈네트웍크 + WLAN
 Terminal convergence and WLAN
 WLAN expectations summary
 종합
Convergence Laboratory
2
Core Convergence
Customer
Access
Core Network
Services
개인
DSL or
FTTH
대형사업장
Ethernet
Customer
Convergence Laboratory
Broadband
Fixed
IP / MPLS
Network
Enablers
사무실
VoIP
Multi Service Edge
Wireless
Broadband
Wireless
Multimedia
Streaming
Video
Broadband
Ethernet
Hosting
Others…
Service Provider
SP
3
WLAN as a Common Access
Customer
Customer
Access
Ethernet
Customer
Convergence Laboratory
Broadband
Fixed
IP /
MPLS
Network
Broadband
Ethernet
Multi Service Edge
DSL or
FTTH
Broadband
Wireless
Multi Service Edge
Wireless
Core Network
Broadband
z
wireless,
Wireless + BBWLAN
bridge
Broadband
Fixed
+ WLAN
AP
Broadband
Ethernet
Enabler
+ WLAN
AP
Service Provider
4
BT 21CN(control, core, access)
Common
Intelligence for
fixed and mobile
Internet
Services
IP NETWORK
VOIP
KT
Cellular Operator
PSTN
Service
Provider
Layer
Fixed
Access
WLAN
Service
Provider
Layer
Telephony
IMS
IMS
Network
Provider
Layer
identical
each way
Packet Switch
Core Net
Radio
Network
WLAN
Terminal roaming w/ WLAN
Convergence Laboratory
5
IMS Architecture
USER
INTERFACE
Voice Portal, Web Portal, Video Portal, Mobile Interface)
Telephony
Servers
APPLICATION
SERVICES
1. Res.
Services
2. IP Centrex
3. VoIP VPN
4. Toll Services
5. 2.5/3G/VoIP
APPLICATION
ENABLERS
GW to
SCPs
SCP
Video
Telephony
Servers
1. Basic
Calling
2. Video
Centrex
Billing
Server
Conference /
Collaboration
1.
2.
3.
4.
5.
PTT
Push to See
Voice conf.
Video conf.
MM Collab.
User Data
1.
2.
3.
4.
5.
6.
IM
Video IM
VoIP Mail
Unified Mail
Video Mail
MMS
Service
Broker
Emerging
Services
Content
Messaging
1.
2.
3.
4.
MiRingBack
MMS-VAS
Video Portal
MobileIN –
Anti Spam
5. Multicasting
6. VoD
Presence
Server
1.
2.
3.
4.
5.
6.
Mobile PayPal
Content Agg
Location OIA
Gaming
Location Srvs
Mobility IN
Seamless
Handovers
Parlay
GW
Enterprise
Applications
Legacy
Session
Layer
Legacy
MEDIA
SERVERS
Voice
Media Servers
IP Networks
Video
Media Servers
Key
END USER
CLIENTS
Application Signaling and Media Codex
Existing Portfolio Plan
New Investment
• The IMS architecture supports a wide variety of end user services
• Continue to evolve to address customer demands for advanced services
Convergence Laboratory
6
Utilising broadband access
Application Server
BTS
ISG
BSC
Application Server
CDMA
MSC
IMS
Core Network
SDHLR
H.248
Media
Server
PSTN
MGW
IP Network
exchange
RNC
VoIP
DSLAM
IMT2000/
HSDPA
Cellular/Wi-Fi/Bluetooth
Convergence Laboratory
UMTS
WiFi To Go
VoIP
DSL
Modem
WiFi
AP
Bluetooth
AP
residence
7
Network Intelligence (IMS IP)
 Network control








Authentication
Directory and Profile
Presence & Location
Application driven QoS
Content Processing
Home & Office Hub
Secure Connections
Storate
 Network ‘primitive’ services
 User and terminal identity
 Location
 Network processes
 Usage and Billing
 Activation
 Assurance
Convergence Laboratory
 Access
 Across access points
– At my & others home.
 By Wire and any wireless
 Wireless shall not be the
licensed by the government
and owned by the carriers, but
only charged resources.
 Managed converged network will
control all necessaries by the
“Network controls”.
 WLAN





Simultaneous access channels
Freedom of moving
Roaming across access points
Free of wiring
Transparent for any services ;
voice, video, control, music
8
초고속 + WLAN
Terminals will authenticate servers.
WLAN
AP
Terminals
Network
Servers
DIP
Megapass
신인증
Megapass
인증
인증,DIP
NESPOT
인증
인증,DIP
신인증
Megapass-WLAN
인증,DIP
신인증 MegapassWLAN 홈네트웍(IPv4)
인증
신인증 MegapassWLAN 홈네트웍(IPv6)
인증
인증
인증
인증,DIP
Convergence Laboratory
인증
인증
9
신인증 Megapass + WLAN
① Proxy인증
Authentication
② policy적용
③ Access sw
INTERNET
Any Access
SI
Service
POP
SER
 Customers environment
 WEB based user interface
 Carriers environment
 Allows network accesses after authentications for PC, Home gatewqy,
Notebook, phone
 Policy for each customers and terminal will be activated for each session
Convergence Laboratory
10
신인증 Megapass + NESPOT + 홈네트웍 + WLAN
WLAN/
wireless
Terminal
인증
Network
인증
Server
인증
WLAN Homenetwork
인증,DIP
INTERNET
Internet
We used to use.
‘Bi-rirection’
to connect home devices
INTERNET
Outside Terminals
Home devices can always be reached.
 Internet connections on request for outside terminals toward various home devices
 Each home devices shall be addressed uniquely by KT’s IP managed network by managed NAT IPv4, or IPv6 .
Convergence Laboratory
11
Customer gateway
Auto-provisioning
Fault monitoring,
diagnostics and alarms
Software downloads
Performance monitoring
Systems Capability
Framework
Tunnel termination
Encryption
Support for
Multiple IP sessions
Public and private IP
addressing
PPP
DHCP/NAT
IPv4/IPv6
Multi-media
voice
Derived voice
POTS
Customer PBX
Mobile Voice
Authentication &
registration
SIP client/proxy
Interaction with SEF for
real-time allocation of
resources
Other Applications
Management
Provisioning
Diagnostics
Security
Voice
Authentication
Session Control
Routing and Switching
Packet Filtering
Address
Management
VPN
QoS
IP
Connectivity to
End user
devices
End User Devices
Convergence Laboratory
Layer 2
Service Execution
Framework
Traffic
management
Policing, shaping
& queuing for
single VC access
Connectivity to
MSAN
Layer 2
Layer 2 Adaptation
Customer Network
Access Network
Customer Gateway
Customer NT
12
Devices on Demand
HP2510
Convergence Laboratory
13
Converged Terminal
CDMA
WiBro
WLAN for Broadband
Video
Chatting
TV
VoD
•Multi-mode, including Wi-Fi and
Voice on IP
•Assisted GPS
•Windows Mobile
•Removable Storage
•High resolution projection screens
•Communications Hub
•TV
Voice set
WLAN for
Megapass
Messenger
E-Mail
Voice set
WiBro
Game
CDMA
PC
Word/PowerPoint
Convergence Laboratory
14
WLAN Expectations
Various WLAN Devices
WLAN-3G Interworked Service
Roaming
For Broadband
WLAN Service
Global Business
Global Home
Home access Everywhere
Convergence Laboratory
Business Applications on WLAN
Ex) VPN, Secure Access, WEB Disk, Mobile
Intranet
15
Summary
 Wireless LAN
 Convergence 통신망 서비스에서 최종단 접속 기술로 사용증가 전망
 무선LAN이 별도의 통신 서비스로 지속 되지는 않을 전망이며,
convergence 통신망의 종단 접속망으로 활용되어질 전망
 PC, Notebook, PDA, Phone, PMP등 다양한 단말기에 기본장착 될전망이며,
이는 단말사의 고객 다원화 혹은 통신화를 통한 이용자 증대 목적에 부합.
 통신사의 입장에서는 무선LAN은 단순한 기술로 사용하는 것이 바람직하며,
이를 위해서는 인증, 과금, 보안 등의 intelligence기능은 통신망과 단말기에
위치하는것이 바람직
 Convergence Network
 초고속망은 신인증 시스템으로 전화하여, intelligence기능을 망내 위치하고
있으면, 이를 통하여 access망의 유무선 구분없이 선인증, 후접속
 BcN의 최종 접속망으로 Wireless LAN적용시 다양한 단말및 서비스 추가가능
 표준화
 무선LAN자체에 대한 연구보다는, 전체적인 망구조 표준과 사업모델에 기반한
무선LAN활용 연구가 필요
Convergence Laboratory
16
감사합니다.
Convergence Laboratory
17