SHARE
SPREAD
HELP

The Tradition of Sharing

Help your friends and juniors by posting answers to the questions that you know. Also post questions that are not available.

To start with, Sr2Jr’s first step is to reduce the expenses related to education. To achieve this goal Sr2Jr organized the textbook’s question and answers. Sr2Jr is community based and need your support to fill the question and answers. The question and answers posted will be available free of cost to all.

Sharing the knowledge gained, is a generous way to change our world for the better. -Sr2Jr

 

#
Authors:
Linda Null ,julia Lobur
Chapter:
Network Organization And Architecture
Exercise:
Exercises
Question:6 | ISBN:9780763704445 | Edition: 3

Question

6. The OSI protocol stack includes Session and Presentation layers in addition to its Application layer. TCP/IP applications, such as Telnet and FTP, have no such separate layers defined. Do you think that such a separation should be made? Give some advantages and disadvantages of incorporating the OSI approach into TCP/IP.

TextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbookTextbook

Answer

Advantages of incorporating the OSI approach:

  • Modularity and Layered Design: The separation of Session, Presentation, and Application layers in the OSI model offers a modular and layered design, allowing for better organization and management of protocols and functionalities. This can lead to easier maintenance, scalability, and extensibility of the protocol stack.

  • Protocol Independence: The layered architecture of the OSI model allows for protocol independence at different layers. This means that protocols can be developed or replaced at a specific layer without affecting the functionality of other layers. It provides flexibility and promotes innovation in protocol development.

  • Interoperability and Standardization: The clear division between layers in the OSI model facilitates interoperability between different systems and network components. By adhering to standardized protocols at each layer, it becomes easier to develop, deploy, and integrate diverse network applications.

 

Disadvantages of incorporating the OSI approach:

  • Lack of Widespread Adoption: The OSI model has not been widely adopted in practice, particularly in the context of TCP/IP-based systems and the internet. The TCP/IP suite has proven to be efficient and effective for most networking applications, making it challenging to justify the need for additional layers.

  • Compatibility and Interoperability Issues: Incorporating the OSI approach into TCP/IP may introduce compatibility and interoperability issues with existing TCP/IP-based systems and applications. Transitioning to a new layered model would require substantial changes to existing protocols, applications, and infrastructure.

  • Overhead and Complexity: Adding additional layers to the TCP/IP stack, as in the OSI model, increases the protocol overhead and complexity. Each layer introduces additional processing, encapsulation, and overhead, which can impact performance and resource utilization.

 

It is important to note that the TCP/IP suite has been successful in enabling the internet and supporting a wide range of applications. While the OSI model provides a theoretical framework and advantages in certain contexts, the practical benefits of incorporating it into TCP/IP need to be carefully evaluated against the challenges and considerations outlined.

0 0

Discussions

Post the discussion to improve the above solution.