1 IP Network Fundamental
1 IP Network Fundamental
1 IP Network Fundamental
www.huawei.com
T
HUAWEI TECHNOLOGIES CO., LTD.. All rights reserved
Network is more and more important in modern times. This course will introduce data traffic and basic knowledge of IP network.
Page 2
Upon completion of this course, you will be able to: Know basic concepts of data traffic Know basic knowledge of network and internet
Page 3
Internet
Chapter 3 Protocol and Standard
Page 4
Data
Data means the information expressed by any format. The format should be negotiated ahead by information creator and receiver.
Data Traffic
The process of data exchange between two devices via transfer medium such as line.
Page 5
Page 6
Workstation
Page 7
Internet
Chapter 3 Protocol and Standard
Page 8
Computer Network
SOHO
Intranet
Server
IP Hotel
Mobile network
All rights reserved Page 9
Evolution of Network
WAN Intra-network interconnection 1980s
Host
Host Simple Connections 1960s 1970s Low speed lines Host Network
T
HUAWEI TECHNOLOGIES CO., LTD.. All rights reserved Page 10
Bus
Star
Tree
Ring
Mesh
Page 11
Composing of Internet
LAN LAN
LAN
LAN
LAN
WAN
WAN
Page 12
HUB
Switch
Router
ATM Switch
Page 13
Types of WAN
ISDN: Integrated Services Digital Network DDN: Digital Data Network X.25 Public Packet Switched Network Frame Relay ATM: Asynchronous Transfer Mode
Page 14
Modem
Router
Wan Switch
Access Server
Page 15
ARPAnet was launched into running in 1969. It comes of America DARPA (Defence Advanced Research Projects Agency), ARPAnet is the sign of the naissance of modern computer network. ARPAnet was divided into two parts in 1983:ARPAnet and MILNET for military affairs. America NSF (National Science Foundation) founded NSFnet in 1985. NSFnet quite replaced ARPAnet in June 1990 and became the backbone network of Internet. Merit, IBM and MCI founded a non-payoff organizationANS (Advanced Network &Science Inc.) in September 1990, the objective of ANS is to found a T3 backbone network that covers with whole American, it is able to transmit data as the speed of 45Mbps. At the end of 1991, all the backbone network of NSFnet connected with T3 backbone network of ANS.
Page 16
Actuality of Internet
ISP
Area ISP
ISP
ISP
Area ISP
ISP
ISP
Area ISP
ISP
ISP
Area ISP
ISP
NAP
Page 17
Internet
Chapter 3 Protocol and Standard Chapter 4 Enterprise Applications in reality
Page 18
standard protocol
Network Network
Page 19
Standard
Data traffic standard divides into two types: de facto and de jure
de facto standard: not admitted by organization but commonly used and acceptable de jure standard: the standard established by organization which approbated by government
Page 20
Standardization Organization
International Organization for Standardization (ISO)
Institute of Electrical and Electronics Engineers (IEEE) American National Standards Institute (ANSI) Electronic Industries Association/Telecomm Industries
Page 21
and the other is RFC. Any one can refer Draft, no any special limit, and other member can take a indifferent attitude, but many important documents of IETF begin with Draft RFC is more official, and it would be kept in the archives in the history. Generally, if it is sanctioned to come on, the contents will not be changed. RFC (Request For Comments) It almost includes all the important documents of internet
Page 22
Internet
Chapter 3 Protocol and Standard Chapter 4 Enterprise Applications in reality
Page 23
Server Farm
DMZ
Web Server
SW 53
SW 53
AR 49
InterNet
HeadQuarter
Serial Link (V.35) EtherNet (RJ45)
IPsec VPN
InterNet
3G / xDSL
Serial Link (V.35) AR 29
Branch-A
IPsec VPN
Embedded WiFi
Branch-B
SW 33 SW 23 AP (WIFI) SW 23
AR 19
Page 24
Thank You
www.huawei.com T