The assessment task is to produce a report to answer questions about computer network design applying layered network  models, and IPv6 addressing.

Coursework Assessment Brief
Assessment Details

 

Unit Title: Networks
Unit Code: COM712
Unit Leader: Warren Earle
Level: 7
Assessment Title: Report
Assessment Number: AE3
Assessment Type: Report
Restrictions on Time/Word Count: 1500
Consequence of not meeting time/word count limit: There is no penalty for submitting below the word/count limit, but students should be aware that there is a risk they may not maximise their potential mark.

 
 

Assessment criteria

The assessment task is to produce a report to answer questions about computer network design applying layered network  models, and IPv6 addressing.
Please see enclosed details
 
 

Learning Outcomes

 
This assessment will enable students to demonstrate in full or in part the learning outcomes identified in the unit descriptors.
T1      Present information and evaluation on an independently researched topic descriptors.
C1      Design an addressing scheme to fulfil given requirements in IPv4 and IPv6 networks.
P1      Demonstrate a sound justification for the approach adopted in designing an Ethernet network using routers and switches.
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Extenuating Circumstances

The University’s Extenuating Circumstances procedure is in place if there are genuine circumstances that may prevent a student submitting an assessment. If students are not ‘fit to study’, they can either request an extension to the submission deadline of 5 working days or they can request to submit the assessment at the next opportunity (Defer).  In both instances students must submit an EC application with relevant evidence.   If accepted by the EC Panel there will be no academic penalty for late submission or non-submission dependent on what is requested.  Students are reminded that EC covers only short term issues (20 working days) and that if they experience longer term matters that impact on learning then they must contact the Student Hub for advice.
 
 
 

Academic Misconduct

Any submission must be students’ own work and, where facts or ideas have been used from other sources, these sources must be appropriately referenced. The University’s Academic Handbook includes the definitions of all practices that will be deemed to constitute academic misconduct.  Students should check this link before submitting their work.
 
 
 
Ethics Policy
The work being carried out by students must be in compliance with the Ethics Policy. Where there is an ethical issue, as specified within the Ethics Policy, then students will need an ethics release or an ethical approval prior to the start of the project.
 
 
 
Part 1 (70 Marks) Create an approach for network address implementation and testing
Research question (RQ1):
If layered network reference models are applied to implementing the network of routers and switches and end devices does this assist the network engineer?
Figure 1Venuestream Network
1.1 Perform a literature search relating to the research question above (RQ1) and document the results of your relevant literature in a bibliography.
1.2 Write a review of the important literature you have identified in the literature search in 1.1.
1.3 Formulate an approach for documenting, implementing and testing the network addressing of the computer network in figure 1 show and describe this approach appropriately in your assessment submission.
1.4 Rigorously justify the use of this approach for implementing and testing the network addressing of the computer network in figure 1 by writing a justification in the report.
According to the Cisco Netacad Introduction to Networks module

The benefits to using a layered network reference model to describe network protocols and operations include:

  • Assisting in protocol design because protocols that operate at a specific layer have defined information that they act upon and a defined interface to the layers above and below.
  • Fostering competition because products from different vendors can work together.
  • Preventing technology or capability changes in one layer from affecting other layers above and below.
  • Providing a common language to describe networking functions and capabilities.

Cisco do not provide any evidence in the form of research with primary or reference to secondary data to justify these statements in section 3.4.2.1 (Cisco Netacad).
Therefore you should identify quality literature sources which include the topic of the main network reference models by performing a literature search.
Specify and use a criterion to exclude sources which are not relevant to the research question.
Write a literature review of up to 20 quality literature sources of information you have found about network reference models.
Reference the sources you have reviewed in a bibliography using the standard Harvard method of referencing.
Formulate an approach for implementing and testing the network addressing of the computer network in figure 1. The approach may take the form of an original diagram or table or narrative which you have created yourself.
Describe, explain and justify this approach by analyzing findings from the literature review performed.
 
Part 2 (30 marks) Complete the IPv6 Addressing of the Computer Network
For the network topology in figure 1 you must design an IPv6 Addressing scheme and complete the documentation by completing the following tables. The network is classed as one site and is allocated the following IPv6 address Global Routing Prefix
2001:DB8:ACAD::/48

Figure 2 Structure of an IPv6 address
Your first task is to calculate and allocate 4 IPv6 subnets by appending a subnet ID to the Global Routing Prefix you have been given and to document the IPv6 subnets in the table below
To calculate your first Subnet ID convert the last 4 Decimal numbers of your student number into a 4 digit hexadecimal number (16 bits) and use them as the 1st Subnet ID in the table in Figure 3 below
For example if your student number is 16777215  in decimal
The last 4 decimal digits are 7215
your subnet ID will be 1c2f in hexadecimal
Write Your Subnet ID in Hexadecimal ………………..
Allocate consecutive IPv6 Subnet IDs to the following 4 subnetworks for the HQ and Branch LANs starting at your calculated subnet ID and incrementing each new subnet ID by 1 (adding 1).
Write all IPv6 addresses in the compressed format following the rules to help reduce the notation.

Hosts’ IPv6 addresses and Network Interfaces’ IPv6 interface IDs must be allocated using IEEE EUI-64 standard.

Choose an appropriate prefix length for IEEE EUI-64

Subnet Description Subnet Id IPv6 Network Prefix /Prefix Length
HQ LAN1  
HQ LAN 2  
Branch IoT LAN  
Branch CCTV LAN  

Figure 3 IPv6 Subnet Addresses
 
Document the Global unicast IPv6 addresses to the network interfaces of the Router devices in the Interface Address table in Figure 4 using the MAC addresses given in the table.
All IPv6 addresses  are configured as EUI-64 all addresses should be written in the compressed format.
The following is an example of configuration of EUI-64 IPv6 addresses for subnet ID 0000 :
HQ(config-if)# interface g0/0
HQ(config-if)# ipv6 address 2001:db8:acad::/64 eui-64
Document the IPv6 Link Local addresses of the LAN network Interfaces of the router devices by completing the table Link Local address column.
All addresses should be written in the compressed format.

Network Device Interface MAC Address Global IPv6 Address/Prefix Length Link Local Address
HQ
BR1
G0/0 0003.E498.9E01
G0/1 0003.E498.9E02
Branch G0/0 0001.632C.B901
BR2 G0/1 0001.632C.B902

Figure 4 IPv6 Interface address table
For end devices such as PCs and IOT devices, IPv6 addresses will be allocated automatically using IEEE EUI-64 standard.
Complete the Device address table in Figure 5 with Device IPv6 Address and Address Prefix Length and Link Local address of the End Devices using the MAC addresses given in the table. All IPv6 addresses should be written in the compressed format.

End Device MAC Address IPv6 Device Address /Prefix Length Link Local Address
HQ1 00D0.BCDD.315B
HQ2 0060.473E.585C
HQserver 0060.47C8.7111
BR IoT Device 00D0.58A6.7034
BR CCTV Camera 0060.5CDD.DE36
BRServer 0030.A328:56A0

Figure 5 IPv6 Device Address Table
 
 
Grading Criteria

F3-F1 D3-D1 C3-C1 B3-B1 A4-A1
1.1  Perform a literature search relating to the research question above (RQ1) and document the results of your relevant literature in a bibliography.  (15%) A literature search marginally below the required minimum number of results ( < 5 )  related to network reference models displayed and referenced. The results are displayed incorrectly. Search terms are not documented clearly A minimum number of results ( >5 <10 )  from you search of literature related to network reference models some are displayed and referenced correctly. The search terms could be improved. An average number of results ( >10 < 15 )  from search of literature related to network reference models displayed and referenced. Some are not documented clearly or are referenced incorrectly. A good number of relevant results ( >15 <17)  from the search of literature related to network reference models displayed and referenced. They are documented clearly and referenced correctly. A large number of relevant results ( =>20 )  from you search of literature related to network reference models displayed and referenced. They are documented clearly and referenced correctly. An innovative search method with excellent search terms and informed by a literature search methodology.
1.2 Write a review of the important literature you have identified in the literature search  (15%) Sources are incorrectly described or summarised, there are mistakes in the narrative Academic style in inappropriate Concisely summarise 5-10 relevant sources from your literature, writing in an appropriate academic style. Identifies a range of relevant key themes, using appropriately cited sources, and using to support analysis and conclusions. Systematically analyses a wide range of appropriate sources, organising the findings to identify patterns, analysing the sources to produce a rational for application of the reference models. Develop a preliminary synthesis of findings to interpret the application and effectiveness of network reference models.
An interesting and inciteful narrative which systematically analyses a wide range of appropriate sources, organising the findings to identify patterns, analysing the sources to produce a rational for application of the reference models.
1.3 Formulate an approach for documenting, implementing and testing the network addressing of the computer network   (20%) No design approach is described A basic design approach is described with poor documentation. A  design approach is documented clearly and briefly described. Formulate a computer network design approach with a preliminary synthesis of findings from the studies identified in the literature review. A model which clearly demonstrates the design approach for documenting implementing and testing. Described or documented with a high academic and professional standard.
1.4 Rigorously justify the use of this approach for implementing and testing the network addressing of the computer network  (20%) Define Computer Network Design No design approach is justified Justify a network design approach by referencing one or two relevant quality sources of information. Justify a basic design approach by referencing a good selection of quality sources or studies relevant to computer network reference models. Justify a computer network design approach with a preliminary synthesis of findings from the studies identified in the literature review. An advanced design approach is justified by a narrative synthesis, the robustness of the approach is assessed and fully evidenced by findings identified from the studies in the literature review.
2.1 Calculate and allocate IPv6 subnets by appending a subnet ID to the Global Routing Prefix you have been given and to document the IPv6 subnets in the table (10%) The IP address table is complete but there are no correct addresses in the table however there are possible IPv6 network addresses in the table. There are errors in the network table which would stop the network from functioning however there are many correct addresses, The IPv6 addresses are documented correctly in compressed format The IPv6 addresses are documented correctly in compressed format There are errors in the network table which means the network would partially function correctly. A IP network address table has errors however, the IPv6 addresses are documented correctly in compressed format and the network would still function correctly. The IP network address table is correct, the IPv6 addresses are documented correctly in compressed format and the IP networks would function correctly.
The IP network address table correct except minor errors, the IPv6 addresses are documented correctly in compressed format and the networks would function correctly.
2.2  Document the Global unicast IPv6 addresses to the network interfaces of the Router devices in the Interface Address table(10%) A Complete IP address table but there are no correct addresses in the table however there are possible IPv6 network addresses in the network device interface table. There are errors in the Network device interface table which would stop the devices from functioning however there are many correct addresses, The IPv6 addresses are documented correctly in compressed format Correctly documented IPv6 addresses are in compressed format There are errors in the network device table which means the network would partially function correctly. IP network interface address table with errors however, the IPv6 addresses are documented correctly in compressed format and the network would still function correctly. Correct IP network interface address table, the IPv6 addresses are documented correctly in compressed format and the IP devices would function correctly.
The IP network device interface  address table is correct except one minor error, the IPv6 addresses are documented correctly in compressed format and the networks would function correctly.
2.3 Complete the Device address table with Device IPv6 Addresses and Address Prefix Length and Link Local address of the End Devices (10%) A Complete IP address table but there are no correct addresses in the table however there are possible IPv6 network addresses in the end device table. There are errors in the end device table which would stop the devices from functioning however there are many correct addresses, The IPv6 addresses are documented correctly in compressed format Correctly documented IPv6 addresses are in compressed format There are errors in the end device table which means the network would partially function correctly. IP end device address table with errors however, the IPv6 addresses are documented correctly in compressed format and the network would still function correctly. Correct IP end device address table, the IPv6 addresses are documented correctly in compressed format and the IP devices would function correctly. The IP end device address table is correct except one minor error, the IPv6 addresses are documented correctly in compressed format and the networks would function correctly.

 
 
 
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