Internet+Systems

Internet Systems By Lizz Askine and Lauren Boldrin Internet and The World Wide Web

-Hardware made up of networks of Computers, copper wires, fibre-optic cables & wireless networks. -Controlled by laws & regulations known as the Internet Protocol (IP). -Provides information & services in the form of E-Mail, chat, file transfers,  access to the World Wide Web and other web pages. || -A services provided by the Internet -A wealth of information, which allows people to collaborate by sharing ideas and information from separate locations to complete a project. || The Internet  is a huge client/server type of database. A ** database ** is a system that combines data, hardware for storage, software that files the data and supplies a method for retrieving or changing the data, and the users that use the data for information. Some types of databases  are-  Data Base PowerPoint []
 * Internet || -A worldwide, publicly accessible series of interconnected computer networks transmit data by packet switching using the standard Internet Protocol.
 * <span style="color: #008000; font-family: 'Comic Sans MS',cursive; font-size: 170%;">World Wide Web || <span style="font-family: 'Comic Sans MS',cursive;"><span style="background-color: #ffffff; color: #008000; font-family: 'Comic Sans MS',cursive; font-size: 11pt; line-height: 115%;">-A collection of web pages connected through hyperlinks and URLs.
 * __ Analytic databases __** are primarily read-only databases which store older data which is used for analysis of previous inventories, prior sales records, past grades and tax information from previous years.
 * __ Operational databases __** allow the user to do more than just read. They are in real time and the user is free to change the data by altering or deleting. The user can monitor inventories in real time, take attendance, track stock quantities.
 * __ Flat file databases __** are easy to access or create. It contains lots of redundant information that slows down the search process, making the flat-file type of database inefficient.
 * __ Relational databases __** utilizes the various relationships between pieces of [|data] to make information much easier to find.
 * __ The "object oriented" databases __** allow for more advanced items to be stored such as images, sounds, or even movie clips.


 * Databases are accessed when a client computer sends request for a specific piece of information held on the ** [|**server**]** computer. **

Server: In computing, a server is any combination of hardware or software designed to provide services to clients. When used alone, the term typically refers to a computer which may be running a server operating system, but is also used to refer to any software or dedicated hardware capable of providing services.


 * Different Types of Servers: ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|Server Platforms]** || A term often used synonymously with //[|operating system]//, a [|platform] is the underlying [|hardware] or [|software] for a system and is thus the engine that drives the server. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|Application Servers]** || Sometimes referred to as a type of [|middleware], application servers occupy a large chunk of computing territory between database servers and the end user, and they often connect the two. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|Audio/Video Servers]** || Audio/Video servers bring multimedia capabilities to Web sites by enabling them to broadcast [|streaming] multimedia content. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|Chat Servers]** || [|Chat] servers enable a large number of users to exchange information in an environment similar to Internet [|newsgroups] that offer [|real-time] discussion capabilities. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|Fax Servers]** || A fax server is an ideal solution for organizations looking to reduce incoming and outgoing telephone resources but that need to fax actual documents. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|FTP Servers]** || One of the oldest of the Internet services, [|File Transfer Protocol] makes it possible to move one or more files securely between computers while providing file security [[image:http://konac.kontera.com/javascript/lib/imgs/grey_loader.gif width="22" height="22" link="@http://www.webopedia.com/quick_ref/servers.asp#"]] and organization as well as transfer control. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|Groupware Servers]** || A groupware server is software designed to enable users to collaborate, regardless of location, via the Internet or a corporate [|intranet] and to work together in a virtual atmosphere. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|IRC Servers]** || An option for those seeking [|real-time] discussion capabilities, [|Internet Relay Chat] consists of various separate networks (or "nets") of servers that allow users to connect to each other via an IRC network. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|List Servers]** || List servers offer a way to better manage mailing lists, whether they be interactive discussions open to the public or one-way lists that deliver announcements, newsletters, or advertising. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|Mail Servers]** || Almost as ubiquitous and crucial as Web servers, mail servers move and store mail over corporate networks (via [|LANs] and [|WANs]) and across the Internet. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|News Servers]** || News servers act as a distribution and delivery source for the thousands of public news groups currently accessible over the [|USENET] news network. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|Proxy Servers]** || Proxy servers sit between a [|client] program (typically a Web [|browser]) and an external server (typically another server on the Web) to filter requests, improve performance, and share connections. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|Telnet Servers]** || A Telnet server enables users to log on to a host computer and perform tasks as if they're working on the remote computer itself. ||
 * <span style="font-family: ARIAL,HELVETICA;">**[|Web Servers]** || At its core, a Web server serves static content to a Web [|browser] by loading a file from a disk and serving it across the network to a user's Web browser. This entire exchange is mediated by the browser and server talking to each other using [|HTTP]. Also read ServerWatch's [|Web Server Basics] article. ||

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 * Cloud computing ** is utilizing all computers and servers available through the internet to do a specific task without having to worry about the amount of processing speed and memory contained within your own computer.

Types of Clouds: Private clouds provide specific services to a limited number of people guarded by a firewall. Public Clouds are when a service provider makes information, data, applications and storage available for free or pay per use for everyone. Hybrid Clouds: allow providers and users to use a public cloud service, but they can maintain their own data center to store information. Therefore, the providers can have control over who can access the resources and information.

<span style="color: #808080; font-family: 'Comic Sans MS',cursive;">Advantages <span style="color: #ff1600; font-family: 'Comic Sans MS',cursive;">Disadvantages
 * <span style="color: #808080; font-family: 'Comic Sans MS',cursive;">A variety of hardware is more easily accessed.
 * <span style="color: #808080; font-family: 'Comic Sans MS',cursive;">Users are not dependent on a single computer.
 * <span style="color: #808080; font-family: 'Comic Sans MS',cursive;">A speedier recovery from disaster.
 * <span style="color: #808080; font-family: 'Comic Sans MS',cursive;">Software as a Service (which is software that is regularly updated and maintained through the software company online) can be access anywhere online.
 * <span style="color: #808080; font-family: 'Comic Sans MS',cursive;">Cloud computing slows the replacement cycle.
 * <span style="color: #ff1600; font-family: 'Comic Sans MS',cursive;">Users must adhere to the terms and conditions of a program.
 * <span style="color: #ff1600; font-family: 'Comic Sans MS',cursive;">Users are rely on the internet to access information or program.
 * <span style="color: #ff1600; font-family: 'Comic Sans MS',cursive;">Software becomes a monthly or yearly fee rather than one stop shop.
 * <span style="color: #ff1600; font-family: 'Comic Sans MS',cursive;">Case sensitive information is not completely controlled by user.
 * <span style="color: #ff1600; font-family: 'Comic Sans MS',cursive;">Not all applications will run on a public cloud.