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Virtual hosting is a method for hosting multiple domain names (with separate handling of each name) on a single server (or pool of servers). [1] This allows one server to share its resources, such as memory and processor cycles, without requiring all services provided to use the same host name.
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 ...
Colocation web hosting service – Similar to the dedicated web hosting service, but the user owns the colo server; the hosting company provides physical space that the server takes up and takes care of the server. This is the most powerful and expensive type of web hosting service.
The NIST's definition of cloud computing describes IaaS as "where the consumer is able to deploy and run arbitrary software, which can include operating systems and applications. The consumer does not manage or control the underlying cloud infrastructure but has control over operating systems, storage, and deployed applications; and possibly ...
Virtual hosting Dynamic content [a] Runs in user or kernel space Administration console Additional protocol support Basic access authenti-cation Digest access authenti-cation SSL/TLS https CGI FCGI SCGI WSGI Java Servlets SSI ISAPI SSJS IPv6 HTTP/2 QUIC HTTP/3; AOLserver: Yes No Yes [b] [c] [d] [3] Yes Yes No Unknown No No Yes Unknown Un ...
Name-based virtual hosting allows multiple DNS hostnames to be hosted by a single server (usually a web server) on the same IP address. To achieve this, the server uses a hostname presented by the client as part of the protocol (for HTTP the name is presented in the host header).
As of 2017, OVH was known for its offering of email hosting service, [19] considered one of the largest in the world, [20] in addition to its general Internet hosting services. OVH uses in-house design and manufacturing, including custom-made servers (based on standard components) and a modular shipping container architecture .
A virtual private server (VPS) is a virtual machine sold as a service by an Internet hosting service. [1] The term "virtual dedicated server" (VDS) has a similar meaning.A virtual private server runs its own copy of an operating system (OS), and customers may have superuser-level access to that operating system instance, so they can install almost any software that runs on that OS.