Transcript Session_9__Packet_Switching_Techniquesx

Problem Statement:
Recap
Recap
Recap
Bridge/ Switch
Recap
Application
Application
Transport
Transport
Network
Network
Data Link
Data Link
Bits
Bits
Source Host
Repeater/
Destination Host
Hub
(Same LAN)
A repeater (or hub) simply forwards the bits on all other ports
Application
Application
Transport
Transport
Network
Network
Data Link
Data Link
Bits
Source Host
Bits
Bridges/
Switches
Destination Host
(Same LAN)
A bridge/ L2 switch inspects dest. MAC to decide which port(s) to forward to
The other LAN may speak/ understand another protocol
(addressing/ framing/ MAC, etc.)
Application
Application
Transport
Transport
Network
Network
Data Link
Data Link
Bits
Source Host
Bits
Router
(L3 Switch)
Destination Host
(Another LAN)
A router / L3 switch inspects destination IP to decide which port(s) to forward to
Source
Destination
Destination
How to establish VC state information at every node?
How to establish VC state information at every node?
Chapter 3:
Packet Switching
[P&D]