??? (Yen-Cheng Chen)

1
????????

• ??? (Yen-Cheng Chen)
• yencheng_at_mcu.edu.tw
• http//www.im.tj.mcu.edu.tw/ycchen/

2
????

• 1. ??????(Platform)
• 2. ??????
• ??? (Centralized)
• ??? (Hierarchical)
• ??? (Distributed)
• 3. Web-Based??????

3
1. ??????

• ??????
• ??????????????????????????,??????????,????????????
  ????????,???????????????
• Network Management Platform
• A software package that provides the basic
  functionality of network management for many
  different network components

4
??????????

• ???????? (Graphical User Interface, GUI)
• ??? (Network Map)
• ??????? (Database Management System, DBMS)
• ????????????? (Standard method to query devices)
• ????????????? (Customizable menu system)
• ???? (Event log)
• ????? (Graphing Tools)
• ?????? (Application Programming Interface, API)
• ???? (System Security)

5
????????

• HP OpenView
• http//openview.hp.com/
• IBM/Tivoli NetView
• http//www.tivoli.com/products/index/netview/
• SUN Solstice SunNet Manager
• http//www.sun.com/solstice/

6
????????
? ????

• ???? (Management Tools)
• ??????(Stand Alone Tools)
• ???? (Test Tools)
• ?????? (Protocol Analyzer)
• ?????? (Internet Tools)
• ???? (Integrating Tools)
• ?????? (Enterprise Management Systems)
• ????? (Trouble Ticket Systems)
• ????? (Documentation Systems)
• ???? (Management Platform)
• ???? (Development Tools)
• ??????? (MIB Tools)
• ??????? (Agent Development Tools)
• ?????? (Application Development Tools)
• ??????? (GUI Tools)

7
??????

• ??????????
• ????? (Centralized Architecture)
• ????? (Hierarchical Architecture)
• ????? (Distributed Architecture)
• ??????????
• ????
• ????
• ??????
• ??????

8
Centralized Architecture
????
9
?????

• ????????????????????,??????
• ??????(Alert)???(Event)????
• ??????????
• ?????????????
• ????
• ???????????????????????????

10
Hierarchical Architecture
NMS Server
DBMS
NMS Client
NMS Client
11
?????

• ???????????,??????????(Server),???????(Client)
• ????
• ???????????????
• ????????????
• ???????????
• ????????
• ????
• ??????????????????????????????????

12
Distributed Architecture
NMS Peer
DBMS
NMS Peer
DBMS
NMS Peer
DBMS
13
?????

• ????????????(Peer)?????,?????????????????,????????
  ???????
• ???????????????????,?????
• ???????????(Alert)???(Event)?????????
• ??????????,???????
• ???????????????
• ????????????
• ???????????

14
Web-Based??????

• Web-Based????
• Web-Based?????
• Web-Based????
• ??HiNet????

15
Web-Based????
? ????
WWW Client
WWW Server
App.
CGI, ASP
Database
HTML
HTTP
HTTP Server
App.
H
Socket, RMI, CORBA, DCOM
App.
Applet
Applet
16
Web-Based?????
? ????

• ????? (Client-Server)
• ??????? (Universal Client)
• ??????? (Rich Multimedia)
• ????? (Platform Independence)
• ??????? (Open Communication)
• ??????? (Easy Maintenance Update)
• ???????? (Distributed Network-Centric
  Computing)

17
Web-Based????

• ????Web-Based????
• ??? (Embedded)
• ????????Web???,????????http?????????
• ???? (Proxy)
• ?????????Web???,???????????(?SNMP)??????,?????????
  ???Web?????????Web????

18
Embedded Approach
HTTP
A
HTTP/SNMP
SNMP
A
19
Proxy Approach
HTTP server
WWW Client
Managed Devices
SNMP
HTTP
HTTP
SNMP
SNMP