Identify the ARP structure and its fields in POX controller

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Reference no: EM132374077 , Length: word count:1250

Software Defined Networking (SDN) Group Assignment - Software Defined Controllers

Purpose of the assessment - (with ULO) - The main purpose of this assignment is to enable students to understand, demonstrate, and evaluate POX controllers, which is in line with learning outcomes of this unit as follows:

1. Plan, configure and troubleshoot controllers and SDN networks.

2. Apply and evaluate security challenges in the SDN paradigm.

3. Evaluate the emerging SDN applications.

Assignment Description -

Routers in traditional networks respond to Address Resolution Protocol (ARP) requests, for this, they also maintain cache. However, in Software Defined Networks (SDN) this is not the case, and router is not an intelligent device, rather a central controller handles ARP requests. So SDN controller such as POX controller sends back ARP reply upon receiving ARP requests.

For the first part of this assignment, create a network topology using Mininet that can demonstrate following parts of the assignment i.e. second and third part.

For the second part of this assignment, perform following tasks:

1. Identify the ARP structure and its fields in a POX controller.

2. Configure the POX controller that replies ARP requests.

Hint [check the sample code for load balancer to get an example showing how to handle ARP packets.]

Similarly, Internet Control Management Protocol (ICMP) is used to handle error message. One of the possible error can be to receive a packet whose destination address i.e. the host does not exist in the network. The router sends [ICMP: Host Unreachable] message in traditional network, here the controller needs to send the same message.

For the third part of this assignment, read the ICMP protocol to figure out the error management options and select at least two errors. For an error the controller may receive the ICMP packets such as host unreachable error, write a routine to entertain such messages.

In the created scenario one should be able to:

  • Ping the routers
  • Ping all the other hosts.
  • Tracing a host
  • ICMP message if a host does not exist

Finally explain at least two attacks and their impact on Software defined network.

Assignment report should contain following sections:

  • Containing (Draw) a network topology along with sub-nets and IP addresses assigned to networking devices and hosts.
  • Write all of the activities to achieve ARP requests and ICMP error message implementations.
  • Demonstration to show connectivity between all the hosts by ping command (Screen shots or video)
  • Demonstration to show an error message when a host is not reachable or the destination IP address is in a sub-net that is not connected to the network (Screen shots or Video)
  • Explanation of at least two attacks and their impact on SDN.

Section to be included in the report -

1. Topology is drawn and created - An appropriate topology is drawn in the report and created in the VM.

2. ARP requests implementation in the controller - Explaining how ARP is implemented in the POX or some other controller of your choice.

3. ICMP error message implementation in the controller - Explaining how ICMP is implemented in the POX or some other controller of your choice.

4. Router connectivity verification - Demonstration of the connectivity of the network by ping command.

5. Demonstration - Demonstration of error messages by tracing route to hosts.

6. Attacks on SDN - Two attacks explanation.

7. Attacks impacts on SDN - Analysis of the two attacks.

Reference no: EM132374077

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Reviews

len2374077

9/21/2019 3:50:17 AM

Total 1250 words. Submission Guidelines - All work must be submitted on Moodle by the due date along with a title Page. The assignment must be in MS Word format, 1.5 spacing, 11-pt Calibri (Body) font and 2.54 cm margins on all four sides of your page with appropriate section headings. Reference sources must be cited in the text of the report, and listed appropriately at the end in a reference list using IEEE referencing style.

len2374077

9/21/2019 3:50:10 AM

Marking Rubric - An appropriate topology is clearly and precisely drawn in the report and created in the VM. How ARP is implemented in the POX or some other controller is explained exceptionally well. How ICMP is implemented in the POX or some other controller is explained exceptionally well. Demonstrates of the connectivity and error messages clearly and precisely. Analysis of SDN attacks are explained clearly and precisely.

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