Campus Area Network Complete Guide

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The campus network is mostly owned by an enterprise, university, government, etc. Introducing what a campus network is and how to design the network system with professional diagramming tools.

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1. What is a Campus Area Network

A campus network is a building or group of buildings all connected into one enterprise network that consists of many local area networks (LANs). A campus is generally a portion of a company (or the whole company) that is constrained to a fixed geographic area.

The distinct characteristic of a campus environment is that the company that owns the campus network also has the physical wires deployed on the campus. The campus network topology is primarily LAN technology connecting all the end systems within the building. Campus networks generally use LAN technologies, such as Ethernet, Token Ring, Fiber Distributed Data Interface (FDDI), Fast Ethernet, Gigabit Ethernet, and Asynchronous Transfer Mode (ATM). You can use the powerful Edraw campus network design software to create network system drawings.

2. Enterprise Composite Network Model

A large campus with groups of buildings can also use WAN technology to connect the buildings. Although the wiring and protocols of a campus might be based on WAN technology, they do not share the WAN constraint of the high cost of bandwidth. After the wire is installed, bandwidth is inexpensive because the company owns the wires, and there is no recurring cost to a service provider. However, upgrading physical wiring can be expensive.

Consequently, network designers generally deploy a campus design optimized for the fastest functional architecture that runs on the existing physical wire. They might also upgrade wiring to meet the requirements of emerging applications. For example, higher-speed technologies-such as Fast Ethernet, Gigabit Ethernet, and ATM as a backbone architecture-and Layer 2 switching provide dedicated bandwidth to the desktop.

The Enterprise Composite Network Model is a blueprint that network designers can use to simplify the complexity of a large internetwork. The blueprint lets you apply a modular, hierarchical approach to network design. With the Enterprise Composite Network Model, you can analyze the functional, logical, and physical components of a network, and thus simplify the process of designing an overall enterprise network.

The Enterprise Composite Network Model comprises three major areas, which can each be made up of smaller modules:

Enterprise campus - The enterprise campus includes the modules required to build a robust campus network that provides high availability, scalability and flexibility. This area contains all the network elements for independent operation within one campus location. An enterprise can have more than one campus.

Enterprise edge - The enterprise edge aggregates the connectivity from the various elements at the edge of an enterprise network. The enterprise edge functional area filters traffic from the edge modules and routes it into the enterprise campus. The enterprise edge contains all the network elements for efficient and secure communication between the enterprise campus and remote locations, business partners, mobile users and the Internet.

3. How to Design a Campus Network Design Topology

Campus network design topologies should meet a customer's goals for availability and performance by featuring small bandwidth domains, small broadcast domains, redundancy, mirrored servers, and multiple ways for a workstation to reach a router for off-net communications. Campus networks should be designed using a hierarchical, modular approach so that the network offers good performance, maintainability, and scalability.

Most campus networks feature a high-performance, switched backbone, called the campus backbone, that connects buildings and different parts of the campus. A high-capacity, centralized server farm connects to the backbone and provides internal server resources to users, for example, application, file, print, e-mail, and Domain Name System (DNS) services. Network management is an important component in a campus network design. A campus backbone must provide access to management devices that support monitoring, logging, troubleshooting, security, and other common management functions.

According to the Enterprise Composite Network Model, a campus consists of the campus infrastructure module, a server farm, a network management module, and an edge distribution module that provides connectivity between the campus and the rest of the internetwork. It shows these modules and illustrates that the campus infrastructure module has three submodules:

  • Building access submodule: Located within a campus building, this submodule contains end-user workstations and IP phones connected to switches or wireless access points. Higher-end switches provide uplinks to the building distribution module. Services offered by this module include network access, broadcast control, protocol filtering, and the marking of packets for QoS features.
  • Building distribution submodule: The job of this submodule is to aggregate wiring closets within a building and provide connectivity to the campus backbone via routers (or switches with routing modules). This submodule provides routing, QoS, and access control methods for meeting security and performance requirements. Redundancy and load sharing are recommended for this submodule. For example, each building distribution submodule should have two equal-cost paths to the campus backbone.
  • Campus backbone: The campus backbone is the core layer of the campus infrastructure. The backbone interconnects the building access and distribute submodules with the server farm, network management, and edge distribution modules. The campus backbone provides redundant and fast-converging connectivity. It routes and switches traffic as quickly as possible from one module to another. This module usually uses high-speed routers (or switches with routing capability) and provides QoS and security features.

4. How to Draw a Campus Area Network Diagram in EdrawMax

In the end, the best way to build a campus area network diagram relies on what you need and how much money you have. Many factors go into the creation of a Campus Area Network diagram, and each person's or property's preferences will play a role in the process. You can use EdrawMax, a free online network diagram software, and its template to get a jumpstart on your campus area network diagramming career. You do not have to be an expert to do this. With a Campus Area Network example , you are good to go.

Step1 Open EdrawMax and Login

The very first step that you need to follow is to install EdrawMax in your system. Go to EdrawMax Download and download the campus area network diagram software depending upon your operating system. If you need remote collaboration with your office team, head to EdrawMax Online and log in using your registered email address.

how to draw a Campus Area Network Diagram

Step2 Select a Template

After launching, the Home screen opens by default. Head to the Template bar and search for Network Diagrams in the search box. In-built templates specific to your search will appear on the screen. EdrawMax features a large library of templates. We have more than 25 million registered users who have produced thorough Templates Community for each design. Select the template you like and click Use Immediately to open it in a new window for customization.

how to draw a Campus Area Network Diagram

Step3 Create From Scratch

From the EdrawMax homepage, you will find the '+' sign that takes you right to the canvas board, from where you can start designing the network diagram from scratch. Coupled with your technical expertise, you can use a wide range of symbols to draw a detailed campus area network diagram.

how to draw a Campus Area Network Diagram

Step4 Select Symbols

EdrawMax includes a large number of symbol libraries. You may quickly build any type of diagram with over 26,000 vector-enabled symbols. If you can't locate the symbols you need, you can easily import some images/icons or build your own shape and save it as a symbol for later use. Simply go to the 'Symbols' part of EdrawMax and select the 'Predefined Symbol' section from the top toolbar. Hundreds of symbol categories are accessible for you to utilize and incorporate into your Campus Area Network diagram.

how to draw a Campus Area Network Diagram

Step5 Add Components

After you have sketched out the basic pieces, you may customize the typefaces, colors, and other details by selecting the right or top menu to make your Campus Area Network design more visually appealing. Also, feel free to draw ideas from other layouts on Templates Community and transfer some of the photos or features that you think would go well with your campus area network design.

how to draw a Campus Area Network Diagram

Step6 Finalizing the Plan

Once your campus area network diagram is ready, you can collaborate with your team to consider their opinion using the Cloud-base files. EdrawMax allows up to 100M free cloud storage. It supports files in several formats, including HTML, PDF, Graphics, Visio, Microsoft Office, etc. It is not a complicated process to create a campus area network diagram in EdrawMax. You can take a template and continue customizing it to suit whatever design you want. EdrawMax has several templates with fantastic designs for a campus area network diagram for your organization.

how to draw a Campus Area Network Diagram

Basically, it is simple to create a campus area network diagram in EdrawMax, just grab a template and keep customizing, drag and drop professinal network diagram symbols to make your plan better. If you are still confusing about how to make a campus area network diagram in EdrawMax, you can find more tutorial videos from our Youtube.

5. Trends in Campus Design

In the past, network designers had only a limited number of hardware options - routers or hubs - when purchasing a technology for their campus networks. Consequently, it was rare to make a hardware design mistake. Hubs were for wiring closets, and routers were for the data-center or main telecommunications operations.

Recently, local-area networking has been revolutionized by the exploding use of LAN switching at Layer 2 (the data link layer) to increase performance and to provide more bandwidth to meet new data networking applications. LAN switches provide this performance benefit by increasing bandwidth and throughput for workgroups and local servers. Network designers are deploying LAN switches out toward the network's edge in wiring closets. These switches are usually installed to replace shared concentrator hubs and give higher-bandwidth connections to the end user.

5.1 Large Campus Network Design

Businesses operating large campus networks are increasingly looking for infrastructure upgrades to:

Handle high bandwidth applications such as voice, video, and IP multicast Improve backbone capacity for shared Ethernet or FDDI campus backbones

Support applications based on Novell IPX, DECnet, AppleTalk, and SNA

Offer high availability, performance, & manageability for your company's intranet

Design suggestions: Use Layer 2, Layer 3, or ATM backbone solutions to expand your large campus network. In typical designs, the buildings or different parts of the campus connect together across a high performance, switched backbone. Network redundancy and high availability is provided at each layer. A high capacity, centralized server farm provides resources to the campus, and when combined with Cisco IOS, network management strategies support QoS, security, troubleshooting, and other common management features from end to end.

5.2 Medium Campus Network Design

A medium campus consists of one large building or several buildings. Networking for a medium campus is designed for high availability, performance, and manageability. This is also called a 'collapsed backbone' design for medium campus networks. Additional requirements of these designs typically include:

High performance and availability for bandwidth applications such as voice, video, and IP multicast

Shared Ethernet or FDDI building backbone which is running out of capacity

Support for applications based on Novell IPX, DECnet, AppleTalk, and SNA Based on the Cisco AVVID architecture, these intelligent network platforms and products provide the basis for a complete network solution.

Design suggestions: This Cisco solution provides manageable switched infrastructure for a campus intranet with over a thousand networked devices. The high performance collapsed backbone uses layer three switching. Network redundancy are provided to clients and servers. Hot Standby Routing Protocol (HSRP) provides fast recovery of link failures. Cisco IOS supports QoS, security, troubleshooting, and common management features from end to end.

5.3 Small Campus Network Design

Small campus networks are typically contained within one building. In most cases, network redundancy is not the top priority, but cost effectiveness is. Additional requirements of these designs typically include:

High performance and availability for bandwidth applications such as voice, video, and IP multicast

Shared Ethernet or FDDI building backbone which is running out of capacity

Support for applications based on Novell IPX, DECnet, AppleTalk, and SNA

Design suggestions: The Cisco solution provides high-performance switched infrastructure for a building-sized intranet with hundreds of networked devices. The network backbone consists of a L3 switch. Access layer switches provide connectivity to clients and servers. Cisco IOS software supports QoS, security, troubleshooting, and common management features from end to end.

5. Free Campus Area Network Diagram Generator

EdrawMax is a free and flexible campus area network diagram software that has a library of templates for all drawing products and all their features. Overall, EdrawMax is a better choice for business presentations and has better value.

Below are EdrawMax's comprehensive features that will offer you an excellent drawing experience:

  • Using the visualization feature makes your creative process easier because it lets you plan, analyze, and make better decisions.
  • The innovative feature of EdrawMax allows you to scale your diagrams with confidence using more than 26,000 symbols and more than 1,500 pre-made templates.
  • With the enterprise scale and security feature, all campus area network diagrams and files are encrypted with SSL encryption.
  • With Smart Layout, all you must do is move your cursor, and the shape of the diagram will change to match.
  • You can drag and drop things from the panel, toolbar, or libraries into the canvas with EdrawMax.
  • The interface of EdrawMax is so easy to use that even a new user will not have any trouble getting around.
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6. Final Thoughts

The moment you start using EdrawMax , you will realize that the tool comes with several amazing features that ease your efforts in creating the campus area network diagram and help you share the designs using the easy sharing option. With EdrawMax, you can export your file into multiple formats, and share your works on different social media platforms, like Facebook, Twitter, LinkedIn, and Pinterest. All in all, EdrawMax is a wonderful tool that caters to all of your designing and drawing needs.

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Network Diagram Complete Guide

Check this complete guide to know everything about the network diagram, like network diagram types, network diagram symbols, and how to make a network diagram.

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