What do you mean by network design model

Assignment Help Computer Networking

Reference no: EM132443110

Unit 15 - Transport Network Design - Higher National Diploma in Computing

Learning Outcomes

LO1- Explore LAN design principles and their application in the network design process

LO2 - Implement a network using LAN design principles based on a predefined set of requirements

LO3 - Produce an appropriate WAN solution to a set of organisational requirements

LO4 - Solve a range of network related problems using appropriate troubleshooting techniques and methods

Assignment Brief and Guidance

EMC Solutions is a private owned well-known Software company located at Colombo. The Management of EMCSolutions decided extend their services Kandy and as a result building with 3 stories has purchased in the heart of Kandy town. They are planning make it to become one of the state-of-the-art companies in Kandy with new facilities.

They are expecting have nearly 150 employees in Kandy branch.

Department	Number of Users	Floor
Customer Care	10	1^st Floor
Sales and Marketing	20	1^st Floor
Finance	25	2^nd Floor
Legal	5	2^nd Floor
HR	10	2^nd Floor
Developers	55	3^rd Floor
Network Team	5	3^rd Floor
Server Room	8 Servers + SAN	3^rd Floor

Following requirements are given by the Management;
• All departments must be separated with unique subnet and should not communicate each other unless special requirements are given.
• 10.254.1.0/24 is given and should use for all the departments except Server Room. IPs should assign using DHCP.
• Server Room and SAN should be in 192.168.1.32/27 subnet. (Uses static IPs)
• High level of redundancy is expected in network design to eliminate the single point of failures and traffic bottle necks.
• Multiple ISP connections need to configure for gateway redundancy.
• Link aggregation need to configure to improve the Network performance where necessary.
• Data transmission between Head office and Kandy need to be secured with proper WAN design.
• Sales and Marketing Team need to access resources at Kandy office and the head office securely while they are in field visits.
• Proper methods for networking monitoring and troubleshooting need to be established.
• Customer Care and Sales team should not be allowed to access the Finance Web server in Kandy server Room.
• All possible network security mechanisms should be implemented.

Task 1
Explore LAN design principles and their application in the network design process.
1.1. What do you mean by Network Design Model and explain the importance of having Network Design Models for proper network design?
1.2. Suggest a network design model for above scenario and justify your suggestion.
1.3. Explain the importance of Layer 2 redundancy and describe Layer 2 redundancy protocols use in industry and recommend a protocol/protocols for above scenario and justify your selection.
1.4. Explain the importance of Link Aggregation and describe Link Aggregation protocols use in industry and recommend a protocol/protocols for above scenario and justify your selection.
1.5. Explain the importance of Layer 3 redundancy and describe Layer 3 redundancy protocols use in industry and recommend a protocol/protocols for above scenario and justify your selection.

Task 2
Implement a network using LAN design principles based on a predefined set of requirements
2.1. Provide list of Network Devices and justify your selections for above Network Design.
2.2. Provide IP Subnet Design for the Kandy Branch
2.3. Provide Complete Network Diagram IncludingWAN for above scenario according to your design.
2.4. Configure All the network devices with basicconfigurations*.
2.5. Implement and configure All required Layer 2 and Layer 3 solutions (including redundancy) * to Kandy Branch LAN according to the requirements given in the scenario.

Task 3
Produce an appropriate WAN solution to a set of organizational requirements.
3.1. Describe various WAN technologies with their characteristics, which are used in industry and protocols associated with them and select WAN Technology for given scenario and justify your selection.
3.2. Implement and Configure * the selected WAN technology to above Network.
*Note: - Screen shots of Configuration scripts should be presented.

Task 4
Solve a range of network related problems using appropriate troubleshooting techniques and methods.
4.1. Explain the importance of Network monitoring related to LAN and WAN.
4.2. Describe few Network Monitoring Tools and Protocols, which are used in industry with their characteristics.
4.3. Implement and Configure* selected Network Monitoring Tool/Tools to above Network.
4.4. Develop test cases and Test the above LAN and WAN* designs to verify whether the design objectives are met.
4.5. Explain and document the troubleshooting steps following scenarios;
a. Kandy branch users cannot access the resources in server located at Colombo Head office.
b. Customer Care users can access File Servers at Kandy branch but Sales andMarketing users cannot access the same Servers but can access the Internet.

Attachment:- Transport Network Design.rar

Reference no: EM132443110

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