- To understand the protocol layering and physical level communication.
- To analyze the performance of a network.
- To understand the various components required to build different networks.
- To learn the functions of network layer and the various routing protocols.
- To familiarize the functions and protocols of the Transport layer.
UNIT I INTRODUCTION AND PHYSICAL LAYER
Networks – Network Types – Protocol Layering – TCP/IP Protocol suite – OSI Model –
Physical Layer: Performance – Transmission media – Switching – Circuit-switched
Networks – Packet Switching.
UNIT II DATA-LINK LAYER & MEDIA ACCESS
Introduction – Link-Layer Addressing – DLC Services – Data-Link Layer Protocols – HDLC
– PPP - Media Access Control - Wired LANs: Ethernet - Wireless LANs – Introduction –
IEEE 802.11, Bluetooth – Connecting Devices.
UNIT III NETWORK LAYER
Network Layer Services – Packet switching – Performance – IPV4 Addresses – Forwarding
of IP Packets - Network Layer Protocols: IP, ICMP v4 – Unicast Routing Algorithms –
Protocols – Multicasting Basics – IPV6 Addressing – IPV6 Protocol.
UNIT IV TRANSPORT LAYER
Introduction – Transport Layer Protocols – Services – Port Numbers – User Datagram
Protocol – Transmission Control Protocol – SCTP.
UNIT V APPLICATION LAYER
WWW and HTTP – FTP – Email –Telnet –SSH – DNS – SNMP.
OUTCOMES:
On Completion of the course, the students should be able to:
- Understand the basic layers and its functions in computer networks.
- Evaluate the performance of a network.
- Understand the basics of how data flows from one node to another.
- Analyze and design routing algorithms.
- Design protocols for various functions in the network.
- Understand the working of various application layer protocols.
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