Cloud Computing: Who are the providers
By Tarry Singh at 28 August, 2008, 2:10 pm
3Tera Inc.: Appliance-driven virtual servers
3Tera’s AppLogic is a grid engine that has evolved over time into a full-fledged cloud computing environment. The company said its offering is designed to enable data centers to replace expensive and hard-to-integrate IT infrastructure — such as firewalls, load balancers, servers and storage-area networks — with virtual appliances. Each appliance runs in its own virtual environment.
AppLogic combines servers into a scalable grid that’s managed as a single system via a browser or secure shell. According to 3Tera, data centers can add or remove servers on the fly, monitor hardware, manage user credentials, reboot servers, install software, build virtual appliances, back up the system, repair damaged storage volumes, inspect logs and perform every other management task from a single point of control, all while the system is running.
Amazon.com: As-you-need-them basic IT resources
Amazon was an early cloud computing proponent, and the company now has one of the market’s longest menu of services. Amazon’s core cloud offering, the Elastic Compute Cloud (EC2), provides a virtualized cloud infrastructure that’s designed to provide scalable compute, storage and communication facilities.
Amazon’s cloud computing arsenal also includes the Simple Storage Service (S3), a persistent storage system; the Simple Database (SimpleDB), which provides a remotely accessible database; and the Simple Queuing Service, a message queue service that’s also an agent for tying together distributed applications created by the EC2, S3 and SimpleDB combo.
AT&T: Scalable hosting in a managed network
AT&T Synaptic Hosting aims to give data centers the ability to manage applications, compute resources on servers and store data elastically, so they can scale up or down as needed. The hosted platform provides dynamic security and storage capabilities, as well as a Web portal to manage capacity, conduct maintenance, and monitor network service and performance.
AT&T has long offered hosting services, but not ones that could scale up or down as needed. AT&T’s resources and services run within its own network, rather than across data centers linked via the public Internet, which the company claims provides more certainty over server levels
XCalibre Communications Ltd.: Self-provisioned virtual servers
Described by some observers as Europe’s answer to Amazon’s EC2, Scotland-based XCalibre’s FlexiScale provides self-provisioning of virtual dedicated servers via a control panel or API. Persistent storage is based on a fully virtualized high-end SAN/NAS back end.
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