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《计算机网络与因特网》课件
林坤辉
PART II Packet Transmission
Chapter 18 WAN Technologies and Routing
广域网技术与路由
works and Wide Areas大型网络和广域
work technology is classified into one of three broad categories:
LAN: Local work(局域网).
MAN: Metropolitan work(城域网).
WAN: Wide work(广域网).
Packet Switches 包交换
A WAN is constructed from many switches to which puters connect.
The basic electronic switch used in a WAN is called a packet switch,
because it plete packets from one connection to another.
Each packet switch is a puter.
Store and Forward 存储转发
A shared LAN allows only one pair puters to exchange a frame at a given time.
A WAN permits puters to send packets simultaneously.
Store and forward switching.
Physical Addressing In A WAN 广域网的物理编址
Each WAN technology defines the exact frame format puter uses when sending and receiving data.
puter connected to a WAN is assigned a physical address.
Many WANs use a hierarchical addressing scheme.
《计算机网络与因特网》课件
林坤辉
PART II Packet Transmission
Chapter 18 WAN Technologies and Routing
广域网技术与路由
works and Wide Areas大型网络和广域
work technology is classified into one of three broad categories:
LAN: Local work(局域网).
MAN: Metropolitan work(城域网).
WAN: Wide work(广域网).
Packet Switches 包交换
A WAN is constructed from many switches to which puters connect.
The basic electronic switch used in a WAN is called a packet switch,
because it plete packets from one connection to another.
Each packet switch is a puter.
Store and Forward 存储转发
A shared LAN allows only one pair puters to exchange a frame at a given time.
A WAN permits puters to send packets simultaneously.
Store and forward switching.
Physical Addressing In A WAN 广域网的物理编址
Each WAN technology defines the exact frame format puter uses when sending and receiving data.
puter connected to a WAN is assigned a physical address.
Many WANs use a hierarchical addressing scheme.
《计算机网络与因特网》课件第十八章广域网技术知识与路由 来自淘豆网www.taodocs.com转载请标明出处.
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