Campus Area Networks (CAN).
Computer and Network Examples
The modern education system, one way or another, aims to form students' abilities to work with information. It is no coincidence that the prior areas of education development pay special attention to form skills of information processing, which later becomes the mainstay of professional activity of graduates in the information society, a necessary component of information culture. In such circumstances, students will acquire the necessary knowledge to express themselves creatively, learn to evaluate the accuracy of the information, develop critical thinking, and distinguish information and knowledge.
Local networks are common in the education field. Most schools and other educational institutions have computers connected to a local network. At the same time, modern technologies allow to connect even the computers that are on different continents, and not only in the same room or building. Numerous educational institutions have branches in different countries, with computer connected via local network. Moreover, local area networks can connect computers from different colleges or universities.
Using Internet, any student can get public access to education materials that can be presented in the form of simple textbooks (e-text), as well as in the form of complex interactive systems, computer models of virtual learning environments, etc. The number of users and information sources of Internet is continuously increasing. In addition, there is a constant quality of telecommunications services improvement. Because of this, not only companies and organizations operating in the economic and other fields have a high-quality access to the Internet, but also educational institutions.
Many systems are susceptible to vulnerabilities that can take full control of critical resources (e-mail systems, network equipment management and others). Critical vulnerabilities are often associated with the use of outdated versions of software and operating systems.
Studies have shown that the modern corporate networks are quite vulnerable to attacks from internal and external intruders. The ability to access the critical resources of most examined systems leads to the conclusion about the necessity of the information security measures improvement, particularly in the area of password policies, web application protection, providing regular security updates and protection of privileged accounts. For safety deficiencies early detection, system administrator should regularly conduct security analysis, including the form of penetration testing.
A Campus Area Network (CAN) is a computer network that links the buildings and consists of two or more local area networks (LANs) within the limited geographical area. It can be the college campus, enterprise campus, office buildings, military base, industrial complex. CAN is one of the type of MAN (Metropolitan Area Network) on the area smaller than MAN.
The Campus networks usually use the:
- LAN technologies,
- such as Ethernet,
- Token Ring,
- Fiber Distributed Data Interface (FDDI),
- Fast Ethernet,
- Gigabit Ethernet
- Asynchronous Transfer Mode (ATM).
ConceptDraw DIAGRAM is a powerful diagramming and vector drawing software that allows quick and easy draw the Campus Area Networks.
Example 1. Computer and Networks area
Computer and Networks Area provides solutions that contain the libraries with a great number of predesigned vector stencils, a set of professional looking examples that you can change for your needs.
Example 2. Computer and Networks examples
Example 3. Computer and Networks symbols for drawing Campus Area Network
All these allow you create the Campus Area Network of any complexity in a few minutes.
Example 3. Campus Area Network (CAN).
This example was created in ConceptDraw DIAGRAM using the Computer and Networks Area of ConceptDraw Solution Park and shows the Campus Area Network.
Campus network can be additional to the set of wireless connections, connect several buildings to the same network, but it's not the same thing. A campus network should be broad enough to cover a large territory, while the point-to-point access simply distributes a separate network within the territory of several buildings. Project Athena at MIT and Stanford University Network at Stanford University are the most well-known networks. Athena was launched in 1983 and it still works. It’s primary purpose was to share experience, code and ideas among students, to found a base of knowledge for the future generations and to develop educational tools. This project influenced the development of instant messaging, online help systems, improved client–server model of distributed computing, developed Kerberos protocol for encrypted authentication and authorization and has many other functional and system management advantages. Some of Athena architecture design features are used beyond MIT, for example in Iowa State University and North Carolina State University.
All networks designed with ConceptDraw DIAGRAM are vector graphic documents and are available for reviewing, modifying, and converting to a variety of formats (image, HTML, PDF, MS PowerPoint, Adobe Flash or MS Visio).
See also Samples:
TEN RELATED HOW TO's:
The reliability is a cornerstone for any corporate computer network. If you want to provide a high fault tolerance, a mesh network topology would be the solution. The main advantage of this network is that every node can work as a commutator, although it’s not easy to set up this kind of network.
A mesh network topology may be full, or partial. Full mesh network means that each node of the network (computer, workstation or other equipment) is connected directly to each of the other nodes. A partial mesh topology means that a part of nodes are connected with a whole network, and the other part of nodes are only connected to those equipment, they exchange the majority of data. This illustration shows schematic diagram of a partial mesh network containing six nodes. Each node is represented as a circles and connections are drawn as straight lines. The connections may be both wired and wireless. This scheme can be used to make the specific logical or physical network diagrams by means the ConceptDraw Computer and Networks solution.
Picture: Mesh Network Topology Diagram
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There are many tools to manage a process or to illustrate an algorithm or a workflow. Flowcharting is one of those tools. However, it may be difficult to show complex processes that require multiple attributes or several people in a simple flowchart, so a cross-functional flowchart would be a solution for that situation. To create such flowchart, group processes and steps to labeled rows or columns, and divide those groups with horizontal or vertical parallel lines. It is worth mentioning that there are different types of cross-functional flowcharts, like opportunity or deployment flowchart.
This diagram shows a cross-functional flowchart that was made for a trading process. It contains 14 processes, distributed through 5 lines depicting the participants who interact with the process. Also there are connectors that show the data flow of information between processes. The cross-functional flowchart displays a detailed model of the trading process, as well as all participants in the process and how they interact with each other. The lines in the flowchart indicates the position, department and role of the trading process participants.
Picture: Cross-Functional Flowchart
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While designing a conceptual data model, you should use appropriate software. For instance, ConceptDraw DIAGRAM is a user-friendly ER diagram tool that has a lot of samples and templates to facilitate your work. A clear entity-relationship diagram helps to define the relations between system’s components.
Software engineering is the section of a computer science engaged to design, realization, and support of complex software products. An ERD is a data modeling method that is widely applied in the software engineering practice. Commonly it is used for developing a structure of a a relational database. An entity relationship diagram is helpful for structuring and organizing databases that can be modeled using a relational structure. An entity relationship diagram is designed to depicts the interrelationships within the sets of entities which are accumulated in the database. Each entity represents a particular component of a data. Thus, ER diagrams depicts the logical structure of databases. ConceptDraw ER Diagrams solution provides software engineers with the professional tool for making entity-relationship diagrams.
Picture: Entity Relationship Diagram Software Engineering
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Wireless network topology — logical topology.
Wireless network topology shows how the computers connect each other when there is no physical connection. The computers communicate each using the wireless devices.
Picture: Wireless Network Topology
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Wireless computer network diagrams help system administrators and network engineers to find out amount and type of equipment needed for each office WLAN.
Picture: Find out what amount and type of equipment is needed for your office network
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It is easy to recreate any informational system structure using diagrams. There are three main components of any ER diagram: entity, attribute and relationship. Basing on these three components, one can define other, less used elements, such as weak entity or relationship, derived attribute, recursive relationship etc.
This is the set of graphic elements of ERD Chen's notation. This ERD notation is used to represent an entity–relationship models. It involves the set of geometric forms: rectangles - depicting entities, ovals - representing attributes and diamonds depicting relationships assigned for first-class objects, that can have relationships and attributes of their own. Connections are displayed with arrowed lines. It is known that the Chen's ERD notation is used to show a detailed view of entities and relationships. ConceptDraw Entity-Relationship Diagram solution from the Software Development section of Solution Park provides the ability to create ERD of database structure for software development purposes using the Chen’s notation elements.
Picture: Components of ER Diagram
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The efficiency of any corporate network depends on many factors such as equipment, architecture etc. Moreover, every administer knows that network architecture is a cornerstone for any system. Also, it's easy to make a draft of a network structure using an appropriate diagramming tool.
Designing network architecture diagrams refers to the network structure, including hardware, software, connectivity, protocols of communication and type of transmission: wired or wireless. A high performance, highly reliable, and secure network architecture is critical for the successful deployment and operation of modern communication network. This diagram represents in detail the sample of the network architecture of the three-divisional office. It is designed using vector libraries supplied with ConceptDraw Computer and Networks solution.
Picture: Network Architecture
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A Local Area Network (LAN) is a computer network that interconnects computers on the limited area such as a home, office building, school, bank, computer laboratory, etc.
ConceptDraw DIAGRAM is a powerful network diagramming and vector drawing software. It provides the Computer and Networks Area with many Solutions that contain the wide set ready-to-use predesigned vector stencils and examples to help you design the LANs quick and easy.
Picture: Local network area. Computer and Network Examples
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Special libraries of highly detailed, accurate shapes and computer graphics, servers, hubs, switches, printers, mainframes, face plates, routers etc.
Use ConceptDraw DIAGRAM with Computer & Networks solution for drawing LAN and WAN topology and configuration diagrams, Cisco network diagrams, network wiring schemes and floor plan layouts.
Picture: How To use Switches in Network Diagram
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UML Diagrams Social Networking Sites Project. This sample was created in ConceptDraw DIAGRAM diagramming and vector drawing software using the UML Use Case Diagram library of the Rapid UML Solution from the Software Development area of ConceptDraw Solution Park.
This sample shows the Facebook Socio-health system and is used at the projection and creating of the social networking sites.
Picture: UML Use Case Diagram Example. Social Networking Sites Project
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