ISM642 Mapping TCP/IP Protocols Worksheet TCP/IP Suite Of Pr

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ISM642 Mapping TCP/IP Protocols Worksheet TCP/IP Suite of Protocols Layer (Indicate the first letter of the appropriate layer from the table below) HTTP FTP TCP ICMP ARP Ethernet DNS FRAME RELAY TOKEN RING TELNET SNMP SMTP UDP FDDI RPC LDAP LAYERS OF TCP/IP Suite of Protocols Application (A) Transport (T) Internet Layer (I) Network Layer (N)

Paper For Above instruction

The Transmission Control Protocol/Internet Protocol (TCP/IP) suite is foundational for modern networking, enabling diverse devices and applications to communicate seamlessly across global networks. Understanding how various protocols within the TCP/IP model map to its layers is essential for networking professionals and students alike. This paper will systematically classify key protocols from the given list into their respective TCP/IP layers: Application, Transport, Internet, and Network.

Introduction

The TCP/IP protocol suite, often referred to as the internet protocol suite, consists of a set of standardized protocols used in interconnecting network devices on the internet and private networks. It is organized into layered architecture, each responsible for certain functions. Correctly mapping protocols to layers enhances comprehension of data flow, troubleshooting, and network design.

Protocols and their Mapping to TCP/IP Layers

Each protocol serves specific roles in facilitating communication. The following analysis assigns each protocol to one of the four layers: Application (A), Transport (T), Internet (I), or Network (N).

Application Layer (A)

The Application layer provides network services directly to user applications. Protocols here include those used for email, file transfers, browsing, and remote login. Key protocols from the list that belong here are:

  • HTTP (Hypertext Transfer Protocol) – Used for accessing web pages.
  • FTP (File Transfer Protocol) – Facilitates file uploads and downloads.
  • DNS (Domain Name System) – Translates domain names into IP addresses.
  • SMTP (Simple Mail Transfer Protocol) – Used for sending emails.
  • SNMP (Simple Network Management Protocol) – Monitors and manages network devices.
  • TELNET – Used for remote login to systems.
  • LDAP (Lightweight Directory Access Protocol) – Accesses directory services.

Transport Layer (T)

The Transport layer manages end-to-end communication between devices, providing services like reliable data transfer. Protocols include:

  • TCP (Transmission Control Protocol) – Ensures reliable, ordered delivery of data.
  • UDP (User Datagram Protocol) – Provides connectionless, faster communication without guaranteed delivery.

Internet Layer (I)

The Internet layer handles packet routing across networks, using IP addresses. Protocols include:

  • ICMP (Internet Control Message Protocol) – Used for network diagnostics and error reporting.
  • ARP (Address Resolution Protocol) – Resolves IP addresses to MAC addresses.

Network Layer (N)

The Network layer encompasses physical and data link methods of transmitting data, including Ethernet and Frame Relay, which are pivotal for framing and media access.

  • Ethernet – Widely used LAN technology for data framing and media access.
  • FRAME RELAY – A wide-area network technology for connecting local networks.
  • Token Ring – An older LAN technology based on token passing.
  • FDDI (Fiber Distributed Data Interface) – A high-speed LAN technology over fiber optics.
  • RPC (Remote Procedure Call) – Facilitates remote procedure execution, often operating over TCP/IP.
  • LDAP and SNMP – Their functions are primarily application but rely on protocols in the lower layers.

Summary of Protocols Mapping

Based on the above explanation, the protocols and their associated TCP/IP layers are summarized as follows:

  • HTTP – Application (A)
  • FTP – Application (A)
  • TCP – Transport (T)
  • ICMP – Internet (I)
  • ARP – Internet (I)
  • Ethernet – Network (N)
  • DNS – Application (A)
  • FRAME RELAY – Network (N)
  • TOKEN RING – Network (N)
  • TELNET – Application (A)
  • SNMP – Application (A)
  • SMTP – Application (A)
  • UDP – Transport (T)
  • FDDI – Network (N)
  • RPC – Application (A)
  • LDAP – Application (A)

Conclusion

The classification of TCP/IP protocols into their respective layers enhances understanding of network architecture and functionality. Recognizing where each protocol operates helps in diagnosing issues, designing networks, and understanding data flow across complex systems. This mapping is fundamental to grasp the operational intricacies of the Internet and private networks, serving as a core knowledge area for network administrators, engineers, and students.

References

  • Comer, D. (2018). Internetworking with TCP/IP Volume One. Pearson Education.
  • Forouzan, B., & Fegan, S. (2017). Data Communications and Networking. McGraw-Hill Education.
  • Stevens, W. R., Demarco, A., & Extended, J. (2011). TCP/IP Illustrated, Volume 1: The Protocols. Addison-Wesley.
  • Kurose, J. F., & Ross, K. W. (2020). Computer Networking: A Top-Down Approach. Pearson.
  • Tanenbaum, A. S., & Wetherall, D. J. (2011). Computer Networks. Prentice Hall.
  • Standards and Protocols. (2020). Internet Society. https://www.internetsociety.org
  • RFC 793 – Transmission Control Protocol. (1981). IETF.
  • RFC 791 – Internet Protocol. (1981). IETF.
  • RFC 826 – An Ethernet Address Resolution Protocol. (1982). IETF.
  • Geneva, S. (2014). Network Protocols and Architectures. Wiley Publishing.

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