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Importance of firewalls in internet security
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The word architecture has many different connotations including the construction of buildings and the planning or engineering of parts to make up a structural composition. In relation to computers, it is the style and fundamental groundwork, allowing people on a mass scale to communicate globally with one another via protocols; a universal programming language, interconnecting an infrastructure of networks (AKA the Internet to you and me). There are many components of website architecture; Internet service providers, Web browsers/URLS, Web hosting services, domain names, proxy servers, and even the World Wide Web. I will endeavour to discuss these principles.
Many people are surprised when they realise the Internet and World Wide Web are not synonymous. The role of the World Wide Web is a key phase of the architectural formation of the web in itself: a system of hypertext coding accessed via the Internet. The coding is crucial in permitting millions of computers to interlink and share their knowledge. Without the coding, or mark-up language as its technically known, web functionality would be nonexistent. It is a model or skeleton built as an upper layer of the Internet. HTTP (hypertext transfer protocol) is the most common language spoken over the Internet. However, this is only one of the many programming languages used to transmit data. Others include JSON (Java Script Object Notation) used to transmit more structured data between connections as an alternative to XML (Extensible Mark-up Language): a set of regulations enabling computers to speak to one another, both in written or verbal format across the Internet or similar local connections. The Transmission Control Protocol or Internet Protocol (abbreviated to TCP/IP) wer...
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...eb content to be launched and a proxy server will mediate between servers if there is a security issue. Your firewall will finally assess if information can pass to and from your system. This is a continuous and effective cycle allowing you to explore the flourishing opportunities out there on the Internet with little effort. Therefore, people can create innovations and “push the envelope of their possibilities” - Monte Reid.
References
RFC1123 (n.d.) Internet engeneering task force, [online] Available at: http://tools.ietf.org/html/rfc1123 [Accessed: 19 Jan 2012].
W3C (n.d.) Architecture of the World Wide Web volume 1, [online] Available at: http://www.w3.org/TR/webarch [Accessed: 19 Jan].
An example of a highly important protocol which will be utilized at application level, is HTTP or hypertext transfer protocol. HTTP is the protocol used within web browsers and the entire internet to send and receive specific web page data. HTTP is a controlling protocol, as it determines how documents should be sent, and what the browser should do in response to commands. When accessing a web page, a HTTP command is sent to the pages web server, so that the server may send that specific page’s data to the user. PCO’s Learning Centre will be using the hypertext transfer protocol on a regular basis. In order for students to access web pages, the HTTP must exist to ensure speedy and accurate navigation, especially in a learning
The internet works on the basis that some computers act as ‘servers’. These computers offer services for other computers that are accessing or requesting information, these are known as ‘clients’. The term “server” may refer to both the hardware and software (the entire computer system) or just the software that performs the service. For example, Web server may refer to the Web server software in a computer that also runs other applications or it may refer to the computer system dedicated only to the Web server applicant. For example, a large Web site could have several dedicated Web servers or one very large Web server.
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“The Internet is becoming the town square for the global village of tomorrow.” Bill Gates. The Internet is vast and is just getting bigger. It has its own community that is open to the public. The Internet is becoming a platform all on its own. It is a stepping-stone in a direction that is unknown. The Internet has become so vast that there are now different versions of it. The different versions of the web are Web 1.0, Web 2.0, the main focus of this paper, and Web 3.0. Web 1.0 is all about sharing information. It is very bland and just gets the point across of what was needed. This how the Internet had started. Web 2.0 is sharing information with interaction. To me this means social media in some fashion. The website that was accessed has a way of interacting with the users whether it be through comments or giveaways on the web. Web 3.0 is the server interacting with the individual on a particular website. Amazon is the best example of Web 3.0 because it gives recommendations based on items that have been searched. “Among American adults 87% use the web, 68% connect...
The Internet has revolutionized the computer and communications world like nothing before. The Internet enables communication and transmission of data between computers at different locations. The Internet is a computer application that connects tens of thousands of interconnected computer networks that include 1.7 million host computers around the world. The basis of connecting all these computers together is by the use of ordinary telephone wires. Users are then directly joined to other computer users at there own will for a small connection fee per month. The connection conveniently includes unlimited access to over a million web sites twenty-four hours a day, seven days a week. There are many reasons why the Internet is important these reasons include: The net adapts to damage and error, data travels at 2/3 the speed of light on copper and fiber, the internet provides the same functionality to everyone, the net is the fastest growing technology ever, the net promotes freedom of speech, the net is digital, and can correct errors. Connecting to the Internet cost the taxpayer little or nothing, since each node was independent, and had to handle its own financing and its own technical requirements.
Deitel, P.J., and H. M. Deitel. Internet & World Wide Web How to Program: Fourth Edition.
There are many different ways to define an architecture as they can take many forms, including logical views, scenarios (or sequence diagrams), physical views and deployment views. Each view provides a specific type of information within the diagram and is directed to a certain audience, including Web architects, data architects, application architects and end users.
Developing Web contents involves shaping and making many choices involving technical, aesthetic, and usability concerns. With the expanding technical options for communication on the World Wide Web, it is tempted to focus only on issues such as hypertext markup language (HTML) syntax, page layout, or the latest and flashiest technologies. However, there needs to be a broader approach in order to articulate the information content that is to be conveyed. There is also a need to pay attention to the characteristics and qualities of the Website as a medium for communication so that there are not merely duplicate practices intended for paper and other media.