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Website Hosting In Chennai

Website Hosting In Chennai

Website Hosting In Chennai

A web hosting service is a type of internet hosting service that permits people and organizations to make their site available via the world wide web. Web hosts are organizations that provide space on a server owned or leased for use by users, as well as providing internet connectivity, typically in a data center. Web hosts can also offer data center space and connectivity to the internet for other servers located in their data center, called colocation, also known as Housing in Latin America or France.

History

Until 1991, the internet was limited to use only "...for research and education in the sciences and engineering..." and was used for email, telnet, FTP and USENET traffic, but only a tiny number of website pages. The world wide web protocols had only just been written and not till the end of 1993 would there be a graphical web browser for Mac or Windows computers. Even after there was more internet availability, the situation was complicated until 1995.

To host a website on the internet, a person or company would need their own computer system or server. As not all companies had the money or capability to manage this, website hosting services started to offer to host users' sites on their own servers, without the customer needing to install the necessary infrastructure neededd to operate the web site. The owners of the sites, also called webmasters, would be able to develop a website that would be hosted on the web hosting service's server and published to the web by the website hosting service.

As the number of users on the internet increased, the pressure for companies, both large and small, to have an online presence increased. By 1995, organizations such as GeoCities, Angelfire and Tripod were offering free hosting.

Classification

Smaller Hosting Services

The simplest is awebsite page and small-scale file hosting, where files can be uploaded via File Transfer Protocol (FTP) or a website interface. The files are typically delivered to the web "as is" or with very little processing. A lot of internet service providers (ISPs) provide this service free to subscribers. People and organizations may also acquire web page hosting from other service providers.

Free website hosting service is provided by different organizations with limited services, sometimes supported by advertisements, and at times limited when compared to paid hosting.

Single page hosting is at times sufficient for personal web pages. Personal web site hosting is typically free, advertisement-sponsored, or inexpensive. Business web site hosting often has a greater investment depending upon the size and type of the site.

Larger Hosting Services

Many large organizations that are not ISPs need to be constantly connected to the web in order to send email, files, etc. to other sites. The organization may use the computer as a website host to supply details of their products and services and facilities for website orders.

A complex website will have a more comprehensive package that provides database support and application development platforms (e.g. ASP.NET, ColdFusion, Java EE, Perl/Plack, PHP or Ruby on Rails). These options allow clients to create or install scripts for applications like forums and content management. Also, Secure Sockets Layer (SSL) is typically used for sites that wish to keep the data transmitted more secure.

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Types of Hosting

Internet hosting services can manage web servers. The scope of website hosting services varies greatly.

Shared Web Hosting Service

One's site is placed on the same server as many other websites, ranging from a few sites to hundreds of websites. Typically, all domains may share a common pool of server resources, such as RAM and the CPU. The features that are available with this kind of service can be fairly basic and not flexible in terms of software and updates. Resellers at times sell shared web hosting and web companies generally have reseller accounts to provide hosting for clients.

Reseller Web Hosting

Reseller website hosting allows customers to become web hosts themselves. Resellers could function, for individual domains, under any combination of these types of hosting, depending on who they are working with as a reseller. Resellers' accounts may differentiate a fair amount in size: they may have their own virtual dedicated server to a colocated server. Many resellers provide a similar service to their provider's shared hosting plan and provide the technical support themselves.

Virtual Dedicated Server

This is also known as a Virtual Private Server (VPS), it divides server resources into virtual servers, where resources can be handed out in a way that does not directly reflect the underlying hardware. VPS will at times be allocated resources based on a one server to many VPSs relationship, but, virtualization may be desired for a few reasons, including the ability to relocate a VPS container between servers. Users may have root access to their own virtual space. Customers are usually responsible for patching and maintaining the server (unmanaged server) or the VPS provider may offer server administration jobs for the client (managed server).

Dedicated Hosting Service

The user gets his or her own web server and has full control over it (user has root access for Linux/administrator access for Windows); but, the customer often doesn't own the server. One type of dedicated hosting is self-managed or unmanaged. This is usually the least expensive for dedicated plans. The client has full administrative access to the server, which means the customer is responsible for the security and maintenance of their own dedicated server.

Managed Hosting Service

The client gets their own web server but is not allowed complete control over it (the user is denied root access for Linux/administrator access for Windows); however, they may control their data via FTP or other remote management software. The customer is not granted full control so that the provider can guarantee the quality of service by not permitting the user to change the server or possibly create configuration problems. The user often does not own the server. The server is leased to the customer.

Colocation Web Hosting Service

Similar to the dedicated web hosting service, but the client owns the colocation server; the hosting company supplies physical space that the server takes up and manages the server. This is the most powerful and costly kind of website hosting service. In most cases, the colocation provider may offer little to no support directly for their user's server, providing just the electrical, internet access, and storage facilities for the computer. In most cases for colocation, the user would have their own administrator visit the data center on-site to do any hardware upgrades or changes. Formerly, a lot of colocation providers would accept any computer configuration for hosting, even ones housed in desktop-style minitower cases, but most hosting organizations now expect rack mount enclosures and standard system configurations.

Cloud Hosting

This is a modern type of hosting platform that allows clients powerful, scalable and reliable hosting based on clustered load-balanced servers and utility billing. A cloud-hosted site might be more stable than others as other servers in the cloud can compensate when a single piece of hardware breaks. Also, local power failures or even natural disasters are less problematic for cloud hosted sites, as cloud hosting is not centralized. Cloud hosting also permits providers to invoice users just for resources consumed by the customer, rather than a flat rate for the amount the customer expects they will consume, or a fixed amount upfront hardware investment. Alternatively, the decentralization may provide users less control over where their data is located, which could be challenging for clients with data security or privacy concerns.

Clustered Hosting

Having a group of servers host the same content for improved resource utilization. Clustered servers are a great solution for high-availability dedicated hosting, or building a scalable web hosting solution. A cluster may separate web serving from database hosting capability. (Sometimes web hosts use clustered hosting for their shared hosting plans, as there are a number of pros to the mass managing of users).

Grid Hosting

This type of distributed hosting is when a server cluster performs like a grid and is made of multiple nodes.

Home Server

Sometimes, an individual computer placed in a private home can be used to host one or a number of websites from a generally consumer-grade broadband connection. These can be purpose-built machines or more commonly old PCs. Some ISPs actively attempt to block residential servers by not allowing incoming requests to TCP port 80 of the client's connection and by refusing to provide static IP addresses. A wonderful way to get a reliable DNS hostname is by obtaining an account with a dynamic DNS service. A dynamic DNS service will automatically change the IP address that a URL directs to when the IP address changes.

Some specific types of hosting provided by website host service providers:

  • File hosting service: hosts files, not web pages
  • Image hosting service
  • Video hosting service
  • Blog hosting service
  • Paste bin
  • Shopping cart software
  • Email hosting service
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Host Management

The host may also provide an interface or control panel for managing the web server and installing scripts, as well as other modules and service applications like email. A web server that doesn't use a control panel for managing the hosting account, is sometimes referred to as a "headless" server. Some hosts specialize in certain software or services (e.g. e-commerce, blogs, etc.).

Reliability and Uptime

The availability of a site is measured by the percentage of a year in which the site is publicly accessible and reachable via the internet. This is different from measuring the uptime of a system. Uptime refers to the system itself being online. Uptime does not take into account being able to reach it such as during network outage. A hosting provider's Service Level Agreement (SLA) may include a certain amount of scheduled downtime per year in order to perform maintenance on the computers. The scheduled downtime is often not included in the SLA timeframe and needs to be subtracted from the Total Time when availability is calculated. Depending on the wording of an SLA, if the availability of a server drops lower than that in the signed SLA, a hosting provider sometimes will offer a partial refund for time lost. How downtime is determined changes from provider to provider, therefore understanding the SLA is important. Not all providers provide uptime stats. Quite a number of hosting providers will guarantee at least 99.9% uptime which will allow for 43 minutes of downtime per month, or 8 hours and 45 minutes of downtime each year.

Obtaining Hosting

Website hosting is often supplied as part of a larger internet access plan from internet service providers. There are also a lot of free and paid providers offering website hosting.

A client must evaluate the requirements of the application to choose what kind of hosting to use. Such considerations include database server software, scripting software, and operating system. Many hosting providers supply Linux-based website hosting which provides a wide range of different software. A typical configuration for a Linux server is the LAMP platform: Linux, Apache, MySQL, and PHP/Perl/Python. The web hosting client might want to obtain other services, such as email for their organization domain, databases or multimedia services. A customer might also prefer Windows as the hosting platform. The customer still can choose from Perl, PHP, Python, and Ruby, but the client may also use ASP.NET or ASP Classic. Website hosting packages generally include a web content management system, so the end-user does not have to be concerned about the more technical items.

Security

Because web hosting services host websites which belong to their clients, internet security is a very important topic. When a client agrees to use a website hosting service, they are handing over control of the security of their site to the company that is hosting the site. The amount of security that a website hosting service supplies is quite important to a prospective customer and can be a major consideration when considering which supplier a customer may choose.

Website hosting server can be targeted by malicious people in various ways, which include uploading malware or malicious code onto a hosted website. These attacks {may|might| be done for different reasons, including stealing credit card information, launching a Distributed Denial of Service Attack (DDoS) or spamming.

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