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Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
From the Figure illustrates how a message is transmitted from the application layer to the physical layer in the Internet model of a data communication network.
1. With the aid of the diagrams of header formats
2. explain the main purpose of all fields of the header formats of the transport, network, and data link layers protocols. For example, the main purpose of the source address and destination address of an IP Header is to provide the sender and receiver IP addresses, respectively.

Transcribed Image Text:Application
Layer
Transport
Layer
Network
Layer
Data Link
Layer
Physical
Layer
Sender
HTTP Request
+
TCP HTTP Request
+
IP TCP HTTP Request
Ethernet IP TCP HTTP Request
ကာ
PDU
Packet Application
Layer
Segment
Packet
Frame
Bit
Transport
Layer
Network
Layer
Data Link
Layer
Physical
Layer
Receiver
HTTP Request
TCP HTTP Request
IP TCP HTTP Request
Ethernet IP TCP HTTP Request
பபட
Fig. 1: Message transmission through layers.
The application Layer
uses the HTTP
protocol
• The transport layer
uses the TCP
(Transmission Control)
Protocol
• The network layer uses
The IP (Internet)
Protocol
●
The data link layer of the
LANs typically uses the
Ethernet protocol
• Protocol Data Units
(PDUs)
Expert Solution
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Network applications and application layer protocols are discussed in further detail in the following sections.arrow_forward4. Describe a connectionless and a connection-oriented protocol, and list one example of each.arrow_forwardTell me about the distinction between Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). Identify the four most noticeable variations between the two sets of treatment, and evaluate their relative significance.arrow_forward
- Two transport-layer protocols offer services that certain applications may make use of (UDP or TCP). So, when a packet arrives at its destination, how can a computer tell which transport layer is involved?arrow_forwardProvide an overview of common transport layer protocols such as TCP and UDP, and their respective use cases.arrow_forward
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