Checksum is used by various protocols on the Internet, but not at the one of TCP / IP layers. Explain.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transmission Control Protocol / Internet Protocol (TCP / IP) is a suite of communication protocols used to connect network devices on the Internet. TCP / IP can also be used as a communication protocol on a private computer network e.g., an intranet or extranet.

TCP defines how applications can create communication channels over a network. It also manages how a message is divided into smaller packets before they are transmitted over the Internet and reassembled in the correct order at the destination address.

IP Address defines how each packet is routed and forwarded to ensure that it reaches the correct destination. Each gateway computer on the network checks this IP address to determine where to route the message.

TCP / IP uses the client-server communication model, in which a user or computer (a client) receives a service (such as sending a web page) from another computer (a server) on the network.

In short, the TCP / IP protocol suite is classified as stateless, which means that each client request is considered new because it has nothing to do with previous requests. Being stateless, network routes are released so that they can be usedcontinuously.

Answer the following questions briefly.

- Checksum is used by various protocols on the Internet, but not at the one of TCP / IP layers. Explain.

BOOTP
Application
layer
SMTP
FTP
TFTP
DNS
SNMP
Transport
layer
SCTP
ТСР
UDP
IGMP
ICMP
Network
IP
layer
ARP
RARP
Data link
layer
Underlying LAN or WAN
technology
Physical
layer
Transcribed Image Text:BOOTP Application layer SMTP FTP TFTP DNS SNMP Transport layer SCTP ТСР UDP IGMP ICMP Network IP layer ARP RARP Data link layer Underlying LAN or WAN technology Physical layer
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