• Texas A&M University

• ECEN 619

•  

ECEN 619-600 – Homework#3

Please submit your finished homework to [email protected] by 10:59:00 pm CST on April 28,

2023.

PLEASE READ, SIGN, AND UNDERSTAND THE FOLLOWING STATEMENT BEFORE YOU

BEGIN THE HOMEWORK:

I understand that the Honor Code of Texas A&M University forbids all forms of academic dishonesty and

requires that I report any violations of the code to my instructor.

Your Signature: (No Credit If Not Signed)

Your Print Name: Shirisha Vissom .

UIN: 233005492 .

Please answer the following questions:

1) Why does the end-host node run all layers of full stack protocol of the Internet?

• Every layer of the Internet's full stack protocol is operated by the end-host node since they are all

essential for facilitating communication between networked devices. TCP/IP, also referred to as

the Internet Protocol Suite, is a group of protocols that controls communication on the Internet.

The Application Layer, Transport Layer, Internet Layer, and Network Access Layer are the four

levels that make it up.

• The task of delivering communication services to end-user apps falls under the purview of the

application layer. Such protocols as HTTP, FTP, SMTP, and Telnet are found on this layer.

Regardless of the platform or programming language used, these protocols allow various

programs to communicate with one another.

• Applications can communicate with one another from beginning to end thanks to the Transport

Layer. User Datagram Protocol (UDP) and Transmission Control Protocol (TCP) are two of the

protocols that are included. UDP is used for quick and effective data transmission, while TCP is

used for data transmission that is reliable.

• Data packets are routed over the network by the Internet Layer. The Internet Control Message

Protocol (ICMP) and the Internet Protocol (IP) are included. Between various network devices, IP

is in charge of addressing and routing data packets. Error reporting and network troubleshooting

both require ICMP.

• For connection between network devices, the Network Access Layer offers the physical and datalink layers. Ethernet, Wi-Fi, and Bluetooth are among the protocols that are part of it. This layer

is in charge of data transmission across physical network mediums like wires and wireless

transmissions.

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• It is possible to create a modular and adaptable design by running the whole stack protocol on

the end-host node. The functioning of the overall system can be maintained by adding or

removing various components as needed. A new application protocol, for instance, might be

added to the Application Layer without affecting the Transport or Internet Layers.

• In order to enable communication between networked devices, the end-host node of the Internet

executes all layers of the complete stack protocol. Running all layers enables for modular and

adaptable design, and each layer is essential for providing dependable and effective data transfer.

2) What are these stack layers of protocols operating at end-host node in the Internet?

Solution: