Public Clouds

KT's cloud offering (ucloud service) includes CloudStack based compute, Openstack Swift based object storage, KT CDN and other cloud capabilities based from KT's data centers in South Korea.

Cloudant offers fully managed and hosted CouchDB hostings. To do so, they have forked the open source CouchDB project and created BigCouch, which while backwords compatible with CouchDB requests, supports more advanced clustering capabilities.

AgileCLOUD offer cloud virtual and bare metal compute and object storage from their New York, Dallas, Santa Clara, Amsterdam and Singapore data centers.

Lunacloud is an European pure-play cloud services provider focusing on delivering reliable, elastic and low cost cloud infrastructure services (IaaS), on which you can run your operating systems and applications or store your data.

AT&T's Synaptic cloud service advertises both compute and storage services with on-demand pricing and self service or API provisioning.

OpSource is a VMware-based cloud provider. They offer cloud servers and storage with on-demand pricing. Their web management UI is intuitive and they also offer an API.

Microsoft is a late arrival to the cloud market, but is now dedicating significant resources to their Azure cloud services. Azure offers a .NET Platform, Storage, CDN, SQL Server Database and Messaging services, all available with on-demand pricing.

Nirvanix offers a "Storage Delivery Network", basically a hybrid of cloud storage and content delivery network. Users can configure their account to use 1, 2 or 3 geographically distributed storage nodes.

Google offers an assortment of cloud services including the AppEngine Platform and the Google Storage service. Google is very innovative and aggressive in this market and offers generous free usage allocations for these services and paid upgrade options.

Box.net provides an easy to use cloud-based file sharing service. This service includes integrated collaboration and security controls. If you are looking for a storage provider with simple web-based management capabilities, Box.net is a good choice.

Salesforce offers cloud services: Force.com lets users define and manage databases, forms, etc. using a browser GUI. Database.com is a cloud based relational database - basically Force.com without a GUI and more flexible and affordable API usage options.

GoGrid is an infrastructure-as-a-service provider specializing in Public and Private cloud solutions. Services include cloud & dedicated servers, load balancing, cloud storage, firewall, CDN, public & private networks all managed via a web portal or API.

BareMetalCloud is one of very few IaaS providers offering "bare-metal" cloud servers. These servers are deployed onto physical servers using real-time disk re-imaging.

Zetta's enterprise cloud storage service supports many different access methods including HTTP, NFS, FTP, sFTP, rsync and WebDAV. Storage is protected and secured using Raid6 N+3 encoding. Zetta charges monthly based on a predefined storage commitment.

Rackspace has been providing managed dedicated hosting since 1998. The Rackspace Cloud was launched in 2009 after Rackspace acquired VPS provider Slicehost. Their cloud services currently includes servers, storage and Limelight CDN.

SoftLayer got its start with managed dedicated hosting in 2006. They own and operate 3 data centers in Texas, Seattle and DC. SoftLayer began offering cloud services in 2009 including Servers, Storage and Internap's CDN service.

AWS is the guerilla in the room in terms of cloud computing. It was initially created to enable better management of their own infrastructure. AWS offers Servers (EC2), Storage (S3), CDN (CloudFront), Databases (SimpleDB & RDS) and many advanced features.

Internap provides a variety of IT services including CDN, cloud storage, co-location and managed hosting.

HP Cloud is built on the Openstack platform. It offers compute, block and object storage, CDN and MySQL database cloud services.