Shared web hosting service: Difference between revisions
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There are thousands of shared hosting providers in the world.{{citation needed|date=August 2014}} They range from "mom-and-pop shops" and small design firms to multimillion-dollar providers with hundreds of thousands of customers. A large portion of the shared web hosting market is driven through [[pay per click]] (PPC) advertising or [[affiliate (e-commerce)|affiliate]] programs while some are purely non-profit.{{citation needed|date=April 2019}} |
There are thousands of shared hosting providers in the world.{{citation needed|date=August 2014}} They range from "mom-and-pop shops" and small design firms to multimillion-dollar providers with hundreds of thousands of customers. A large portion of the shared web hosting market is driven through [[pay per click]] (PPC) advertising or [[affiliate (e-commerce)|affiliate]] programs while some are purely non-profit.{{citation needed|date=April 2019}} |
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Shared web hosting can also be done privately by sharing the cost of running a server in a [[colocation center]]; this is called cooperative hosting. |
Shared web hosting can also be done privately by sharing the cost of running a server in a [[colocation center]]; this is called cooperative hosting. |
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==Implementation== |
==Implementation== |
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Revision as of 21:28, 26 July 2023
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A shared web hosting service is a web hosting service where many websites reside on one web server connected to the Internet. The overall cost of server maintenance is spread over many customers. By using shared hosting, the website will share a physical server with one or more other websites.
Description
Shared web hosting services In shared hosting, the provider is generally responsible for managing servers, installing server software, security updates, technical support, and other aspects of the service. Most servers are based on the Linux operating system and LAMP (software bundle). Some providers offer Microsoft Windows-based or FreeBSD-based solutions. Server-side facilities for either operating system (OS) have similar functionality (for example: MySQL (database) and many server-side programming languages (such as the widely used PHP programming language) under Linux, or the proprietary SQL Server (database) and ASP.NET programming language under Microsoft Windows.[citation needed]
There are thousands of shared hosting providers in the world.[citation needed] They range from "mom-and-pop shops" and small design firms to multimillion-dollar providers with hundreds of thousands of customers. A large portion of the shared web hosting market is driven through pay per click (PPC) advertising or affiliate programs while some are purely non-profit.[citation needed]
Shared web hosting can also be done privately by sharing the cost of running a server in a colocation center; this is called cooperative hosting.
Implementation
Shared web hosting can be accomplished in two ways: name-based and Internet Protocol-based (IP-based), although some control panels allow a mix of name-based and IP-based on the one server.
IP-based
In IP-based virtual hosting, also called dedicated IP hosting, each virtual host has a different IP address. The web server is configured with multiple physical network interfaces or virtual network interfaces on the same physical interface. The web server software uses the IP address the client connects to in order to determine which website to show the user.
Name-based
In name-based virtual hosting, also called shared IP hosting, the virtual hosts serve multiple hostnames on a single machine with a single IP address. This is possible because when a web browser requests a resource from a web server using HTTP/1.1 it includes the requested hostname as part of the request. The server uses this information to determine which website to show the user.
DNS and name servers
DNS stands for "Domain Name System". The domain name system acts like a large telephone directory and within is the master database, which associates a domain name such as www.wikipedia.org with the appropriate IP number. Consider the IP number something similar to a phone number: When someone calls www.wikipedia.org, the ISP looks at the DNS server, and asks "how do I contact www.wikipedia.org?" The DNS server responds, for example, "it can be found at: 91.198.174.192.". As the Internet understands it, this can be considered the phone number for the server that houses the website. When the domain name is registered/purchased on a particular registrar's "name server", the DNS settings are kept on their server, and in most cases point the domain to the name server of the hosting provider. This name server is where the IP number (currently associated with the domain name) resides.