电信运营商通信网络架构培训PPT课件

Media Gating
Deep-packet inspection
Access
Subscriber Access
interworking
Management
Intelligent multi-access edge providing mobility and QoS
6/2/2016
5
Standard Services/IMS 核心网－电信网 络 业务控制
14
RAN对同步的需求
无线制式 GSM
WCDMA TD-SCDMA CDMA2000 WiMax FDD WiMax TDD
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
6/2/2016
7
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
6/2/2016
6
Service Layer业务网
HDTV VOD
VoIP
Advertising
Customized applications
3rd party services
IPTV
Mobile TV
Middleware
Part of Operators Multimedia Offering
Softswitch
Multimedia Push to telephony talk
Messaging
Presence
IP address allocation
Multimedia session control
Identy management
Authentication
Reachability for end-to-end connectivity
Network access layer
TCP/IP
6/2/2016
10
网络接入层最常ห้องสมุดไป่ตู้的二层技术为以太网
Upper
Transport
IEEE 802.x
Internet
IEEE
Link
IEEE
802.3
IEEE
802.2 802.4 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
11
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)
mobility and optimized network use
6/2/2016
4
Multi Access Edge多业务接入边缘
Security
Policy Control
Charging Control
Mobility
QoS enforcement
IP session control
Edge Routing
6/2/2016
3
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
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
电信运营商通信网络概览
－前世、今生与演进
6/2/2016
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） • IP宽带数据网（IP数据承载网） • 网管系统（OSS） • Q&A
6/2/2016
2
电信运营商全业务通信网络架构（IP化）
6/2/2016
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
6/2/2016
8
End to End Management网络管理系统
Reporting
Service Management
Network Management
Trouble Mgm
Fault Mgm
Performance Mgm
Inventory Mgm
Integrated Network and Element Mgmt Systems
6/2/2016
9
Protocol Stacks --- OSI & TCP/IP
Application
Presentation Session
Transport Network
Link Physical
OSI Stack
Application(HTTP,
FTP,Telnet…)
TCP/UDP IP
6/2/2016
12
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
6/2/2016
网络同步
帧同步 节点同步
无线接口同步
13
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
6/2/2016