Standard used in cloud computing

Communication

• HTTP - http1.1
• XMPP(Extensible Mesaagingand Presence Protocol) also knownas "jabber")

Security

• SSL
• OpenID
• PCI DSS (Payment Card Industry Data Security Standard)

Client

• HTML
• Dynamic HTML (DHTML)
• Document Object Model (DOM)
• Javascript

Infrastructure

•  Virtualisation
• Open Hypervisor Standards
• Community Source (e.g in VMware ESX server)
• Open Virtualization Format (OVF)

Web Services

• REST(Representational state transfer)
• SOAP (Simple Object Access Protocol)
• JSON(Javascript Object Notation)
• XML