Network Design - Understanding the topic and best practices

Table of Contents

We all know that irrespective of size and industry, communications and computer networks are essential to the success of any organization. A computer network helps in linking employees, supports operating systems, and provides companies access to the resources they need to function. The nature of network design is continuously evolving and becoming complicated for supporting unique business requirements.

Pen and paper are things of the past and computer systems/laptops are used for professional purposes. This means any company’s operation is grounded upon its IT network that links all of the systems and connects devices letting employees operate way more. This blog, ideated and written by the experts at AllAssignmentHelp will help students mainly in the fields of IT, programming, and networking learn the fundamentals of network design, how it works, and ways to network designing best practices.

Network Design – A Basic Idea

It can be termed as the planning and implementation of a computer network system. Network designers, engineers, IT administrators, and other professionals are usually responsible for designing a network. It is completed before designing the construction of a network infrastructure.

Network design involves examining, comprehending, and specifying the network to be developed. A network diagram is typically used to illustrate the entire network design and serves as a blueprint for physically building the network.

Typically, network design involves the following:

A logical map of the network being designed
IP Addressing Structure
Number, type, and location of network equipment (routers, switches, servers)
Cabling structure
Network security architecture and general network security procedures

To become a successful network designer, techniques of network design must be learned by all the academics associated with the academic field. One who knows all the fundamentals of proper networking has a higher chance of getting a good job with a handsome paycheck.

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Purpose of a Network?

Network design is vital for guaranteeing the seamless operation of any company.

Effective network design enables them to do the following:

Stay current with new technologies and changing company needs
Allowing them to continue providing their services or products efficiently and effectively
Help organizations optimize their resources
Increase security and cut expenditures
Maximize performance while maintaining client happiness
Increase their competitive advantage in the marketplace

It can be utilized to design an efficient system that meets the business needs of data transmission speed, storage capacity, and available applications

Thus, network design is an important component of every organization’s success. It enables firms to capitalize on current technologies and maintain a competitive advantage. And right implementation of a well-planned network architecture can considerably increase the capacity of a company to thrive.

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Core Network Design Objectives

When you look at these needs closely, you’ll notice that they translate a handful of basic network design goals.

Let us see what they are:

Scalability: Such systems can be expanded to include additional user groups and remote sites, as well as new applications, without sacrificing the quality of service supplied to existing users.
Availability: It is a system that delivers consistent, dependable service around the clock. Furthermore, a single connection or piece of equipment failing should have no significant impact on system performance.
Security: It is a feature that should be embedded into the network rather than added after it has been created. Security devices, filters, and firewall features must be carefully positioned to safeguard network resources.
Administrability: Regardless of the quality of the initial network architecture, personnel must administer and support the network. A complex network architecture cannot be fully functional or efficient.

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What is a Network Diagram?

A network diagram (be it physical or conceptual) is an illustration or plan that shows how a computer or telecommunication network works. It depicts the many elements that make up a system, as well as how they communicate, such as routers, devices, hubs, and firewalls.

A network diagram may contain a lot of information or only offer a general overview, according to its original mission. A LAN diagram, for example, may indicate individual computer IP addresses, but a MAN (metropolitan area network) diagram may depict buildings or regions with a single node.

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Different Types of Network Diagrams

There are a few differences between the type and work of network diagrams.

Let’s take a deep dive into that:

Basic Network Design Topology

Topology describes the ordered arrangement of devices on a network.

Local Area Networks (LANs) have one of three topologies: linear, ring, or star. Larger networks may consist of two or more of these.

Linear Bus Topology

A linear bus topology is the most basic sort of network.

A single connection, or bus, connects all PCs, servers, and peripherals. This is fantastic since it allows for a simple, affordable design, but the entire network is vulnerable to a shutdown with no indication of which component of the network caused the problem. Additionally, the network must include two terminators at each end.

Ring Topology

A ring network connects each component to two other components in a ring.

This eliminates the need to put terminators at the end of the bus, as in a linear topology, and may be speedier; nonetheless, the network remains prone to errors, with one malfunctioning unit causing difficulties throughout the network.

Star Topology

A star network consists of a core hub that connects all other components.

This sort of network is better suited for bigger networks because of its higher fault tolerance, especially when compared to ring and bus topologies.

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What are The Applications of Network Diagrams?

We use network designs for several reasons due to their ability. This is to depict how network components interact.

They can serve multitudinous purposes:

Creating a home or professional network structure
Updates to an existing network must be coordinated.
Troubleshooting and reporting network issues
To meet PCI or other standards
As paperwork for external communication, onboarding, and other similar activities.
To keep track of the many components
Sending pertinent information to a vendor for an RFP (request for proposal) without revealing sensitive data
Financial stakeholders should be ready to persuade to invest in a network idea.
Proposing Syslog infrastructure modifications at a high level

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How do You Construct a Network Diagram?

Make sure you have a clear purpose in mind before you start drawing. It’s preferable to make numerous diagrams, each reflecting a distinct feature of the network, rather than trying to jam everything into one.

Follow these steps to create a beautiful, usable network diagram after you’ve chosen a network to map:

Make a list of the equipment

Don’t be concerned with connections at first. Instead, make a list of all the workstations, servers, routers, firewalls, and other network devices. If you’re using network diagramming software, just drag forms into the canvas to do this.

Sort the shapes into groups

Move related shapes closer to one another to start constructing your diagram. It depends on the diagram you are making, shapes might be interconnecting with each other logically or physically.

Connect the dots

A line connecting two forms indicates linking in some way, most commonly through information transfer.

Labelling

Include any extra information about every shape that you think your audience may find helpful. You may either put that information next to each component or number them and then add further information in a legend.

The formatting

Adjust the size, color, and other properties of your diagram elements until you’re happy.

When you follow the above-provided guidelines, it becomes like slicing a cake to create network diagrams. However, in the initial stages, students may find it difficult to draw such illustrations.

There must be a crystal-clear idea about the process and types of it that many students lack. At this stage, it will be a smart move to contact a custom assignment writing service and ask them to make such illustrations for you so that you can have a full idea about it just by going through the paper.

Read Also- Know More About Computer System.

Conclusion

The basics of network design are a ‘must-know’ for budding professionals as hundreds and thousands of companies are cropping up every year. Therefore, the need for network designers will always be there rather than increase in the upcoming days. The ability to create exceptionally well and flawless network design is an asset and can help one land a high-paying job. Students pursuing a course related to this field must pay close attention to earning all the components of the network design.

Frequently Asked Questions

Question 1: What are the 3 things needed to consider in designing a network?
Answer: Consider the following in designing a network:
Scalability and modularity
Performance
Availability and reliability
Security and Cost

Question 2: What is the process of network design?
Answer: Network design, often known as network topology, is the process of planning and laying out the infrastructure of an information technology network. It entails defining the network’s numerous design criteria and developing a plan that is both aligned with those requirements and feasible.