电信运营商通信网络架构培训

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Upper
Transport
IEEE 802.x
Internet
IEEE 802.2
Link
IEEE 802.3 IEEE 802.4 IEEE 802.5 IEEE 802.6 Physical
1. Internetworking 2. Logical Link Control (LLC) 3. CSMA\CD 4. Token Bus 5. Token Ring 6. Metropolitan Area Networks
What is high availability in Telecom network?-99.999%
Availability DPM
99.000%
10000
99.500%
5000
99.900%
1000
99.950%
500
99.990%
100
99.999%
10
99.9999%
1
Downtime Per Year (24x365)
电信运营商通信网络概览
-前世、今生与演进
6/2/2016
a
1
目录
• 全业务通 信网络架构
• 无线接入 网络(移动通信 网络)
• 有线接入 网络(固网语音 +宽带)
• 传送网
(传输网)
6/2/2016
a
2
电信运营商全业务通信网络架构(IP 化)
Access接入网
Fixed Access GPON Fixed Line xDSL
Fixed Wireless Access
WLAN
WiMax
Mobile Access
HSPA
LTE
Fixed and Mobile accesses integrated for maximal
service mobility and optimized network use
Multi Access Edge多业务接入边缘
3 Days
15 Hours
36 Minutes
1 Day
19 Hours
48 Minutes
8 Hours
46 Minutes
4 Hours
23 Minutes
53 Minutes
5 Minutes
30 Seconds
“High Availability”
DPM—Defects per Million
Security
Policy Contro l
IP session control
Edge Routing
Media Gating
Charging Control
Mobility
QoS enforcement
Deep-packet inspection
Access
Subscriber Access
interworking
7. Broadband Tech Advisory Group 8. Fiber Optic Tech Advisory Group 9. Integrated Voice&Data Networks 10. Network Security 11. Wireless Networks 12. Demand Priority Access LAN's
电信网络对同步有严格要求(3G为例) (信号传输与计费)
Iu
Uu
Iub
CN
RNC
Node B
UE
网络同步
帧同步 节点同步
无线接口同步
频率同步和时间同步的区别
时间同步:两个表每时每刻的时间都保持一致;
频率同步:两个表的时间不一样,保持一个恒定的差
RAN对同步的需求
无线制式 GSM
WCDMA TD-SCDMA CDMA2000 WiMax FDD WiMax TDD
Application
Application(HTTP,
Presentation Session
Transport Network
Link Physical
OSI Stack
FTP,Telnet…)
TCP/UDP IP
Network access layer
TCP/IP
10
网络接入层最常用的二层技术为以太 网
LTE-TDD LTE-FDD
时钟频率精度要求 0.05ppm 0.05ppm 0.05ppm 0.05ppm 0.05ppm 0.05ppm 0.05ppm 0.05ppm
时钟相位同步要求 NA NA
± 1.5us ±1.5us
NA 1us 0.04us 4us
GSM/WCDMA采用异步基站技术,此时只需要做频率同步,精度要求0.05ppm (或者50源自文库pb)
Management
Intelligent multi-access edge providing mobility and QoS
Standard Services/IMS 核心网-电
信网 络业务控制
Softswitch
Multimedia Push to telephony talk
Messaging
VoIP IPTV
Advertising
Customized applications
3rd party services
Mobile TV
Middleware
Part of Operators Multimedia Offering
Transport (Optical and IP/Ethernet) 传输+IP承载网
Multicast Carrier Ethernet
Routing
PTN
OTN
NextGen SDH
Microwave
VPN
CWDM/ DWDM
Cost per Bit Optimization with Common Transport
End to End Management网络管理系 统
Service Management
Presence
IP address
Multimedia
Identy
allocation session control management
Authentication
Reachability for end-to-end connectivity
Service Layer业务网
HDTV VOD
Reporting
Network Management
Trouble Mgm
Fault Mgm
Performance Mgm
Inventory Mgm
Integrated Network and Element Mgmt Systems
Protocol Stacks --- OSI &
TCP/IP
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