Using a public cloud model, a public network transmits data that is physically stored on shared virtual servers that make up the cloud resource. Cloud hosting can be considered both infrastructure as a service (IaaS) and platform as a service (PaaS). ![]() Cloud hosting is an alternative to hosting a website on a single server. It often includes a network of servers pulling from different data centers in different locations.Ĭloud hosts operate as a service that enables clients to buy as much of the service as they need. Cloud hostĪ cloud host is based on cloud computing technologies that enable a number of servers to act as one system in which website performance can be guaranteed by multiple machines. Host can also refer to the service provider that leases this infrastructure, which is known as hosting. Web hostįor companies or individuals with a website, a host is a web server that stores and transmits the data for one or more websites. The term host is used in several other areas within information technology (IT), carrying a slightly different meaning depending on the context. In the Open Systems Interconnection ( OSI) model, protocols in the transport layer, also known as Layer 4, are responsible for communication between hosts. On a TCP/IP network, each host has a host number that, together with a network identity, forms its unique IP address. Hosts use various protocols to communicate, including TCP and User Datagram Protocol ( UDP). In other words, all hosts are nodes, but network nodes are not hosts unless they require an IP address to function. A node is a broader term that includes anything connected to a network, while a host requires an IP address. Hosts typically do not include intermediary network devices like switches and routers, which are instead often categorized as nodes. Also known as network hosts, hosts include clients and servers that send or receive data, services and applications. ![]() A host is a computer or other device that communicates with other hosts on a network.
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