Internet Communication Engineering Mr. Zeeshan Ali, Asst. Professor Department: B.E. Electronic & Telecommunication Subject: Internet & Voice Communication Semester: VIII eCourseware@AIKTC Teaching Aids Service by KRRC Information Section
What is (Wireless / Computer) Networking? In the world of computers, networking is the practice of linking two or more computing devices together for the purpose of sharing data. Networks are built with a mix of computer hardware and computer software.
Simple Wired Network
Complex Wired Network
Wireless Network
Area Networks Local Area Networks ( LAN) Metropolitan Area Network ( MAN ) Wireless Local Area Network ( WLAN ) Wide Area Network ( WAN ) Storage/System/Server/Small Area Network ( SAN ) Campus/Controller/Cluster Area Network ( CAN ) Personal Area Network ( PAN )
Network Design Client – Server Model Peer – Peer Model Hybrid Model
Client - Server Model
Peer – Peer Model
Networking Components Computer / Laptop / Mobile Phones Network interface cards (NICs) Hubs & Switches Bridges Routers Gateway Modems
Network interface cards (NICs)
Network interface cards (NICs)
Hubs & Switches
Bridges
Routers
Gateway
Modems
Network Topology Topology refers to the layout of connected devices Types : BUS RING STAR MESH TREE
Bus Topology
Ring Topology
Star Topology
Mesh Topology (Partial)
Mesh Topology ( Full )
Tree Topology