Networking With Xinu

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Overview

Having students develop networking aspects of their own or a provided Xinu operating system is one of the potential tracks presented for a professor that is Teaching With Xinu.

A networking course incorporating Embedded Xinu can have students build a networking functionality into Embedded Xinu over the period of the course. Courses may vary in starting point; some choosing to use a core Embedded Xinu release and having students build the entire network stack and ethernet driver. While others may choose an Embedded Xinu release with the ethernet driver available so that the students can concentrate on other parts of the network stack. Network stack implementation assignments for students can parallel various networking lectures that traverse the stack over the course of the semester, terminating in the students implementing an application that uses the developed network stack.

Course Outcomes

Course development can parallel learning objectives and topics associated with many Communication and Networking courses.

Topics

  • History of networking.
  • Overview of the specializations within net-centric computing.
  • Network standards.
  • ISO 7-layer reference model
  • Circuit switching and packet switching
  • Streams and datagrams
  • Concepts and services for specific network layers.
  • Protocol and application overview/implementation.
  • Overview of network security.

Learning Objectives

  • Discuss the evolution of early networks and the Internet.
  • Explain the hierarchical, layered structure of network architecture.
  • Identify and explain the development of important network standards.
  • Discuss the advantages and disadvantages of different types of switching.
  • Demonstrate how a packet traverses the Internet.
  • Implement a simple network using devices running the Embedded Xinu operating system.
  • Discuss and explain the reasoning for network security.

Potential Course Structure

A course where students develop the networking aspects within the Xinu operating system. The students will use a base Xinu kernel with an Ethernet driver; this can be professor provided or student built in previous courses. All assignments provided after the first are intended for groups of two or three students.

Course Outline
Week Topics Assignments
01 History of networking and the Internet & specializations of net-centric computing Networking Standards
02 Networking standards & 7-layer ISO model Packet Multiplexing and Demultiplexing
03 Ethernet & Address Resolution Protocol Implementing ARP
04 Internet Protocol Implementing IP & ICMP
05 Internet Protocol and Internet Control Message Protocol
06 Internet Packet Traversal, Security Concerns for IP & ARP IP, ICMP and ARP Applications
07 Datagrams - UDP UDP Development and Implementation
08 Datagrams - UDP, Dynamic Host Configuration Protocol
09 Dynamic Host Configuration Protocol, Streams - TCP DHCP Development and Implementation
10 Streams - TCP
11 Security Concerns for UDP, TCP TCP Development and Implementation
12 Interaction Protocols for Networked Devices
13 Wireless Networking
14 Network Based Application Development Network Based Applications
15 Networking Future
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