Page 838 - Cloud computing: From paradigm to operation

5 Intercloud and interoperability

The inter-cloud functions identified in clause 7 are mapped to functional components in [ITU-T Y.3502].
No new functional components are defined. However, functions of some functional components are
extended for inter-cloud as follows.
– Business support systems
• Service subscription management functional component is extended with service subscription
management function for inter-cloud as described in clause 7.1.1.
• Billing functional component is extended with billing function for inter-cloud as described in
clause 7.1.2.
– Operational support systems
• Service catalogue functional component is extended with service catalogue function for inter-
cloud as described in clause 7.2.1.
• Provisioning functional component is extended with service provisioning function for inter-
cloud as described in clause 7.2.2.

• Monitoring and reporting functional component is extended with monitoring and reporting
function for inter-cloud as described in clause 7.2.3.
• Service policy management functional component is extended with service policy management
function for inter-cloud as described in clause 7.2.4.
• Service automation functional component is extended with service automation function for
inter-cloud as described in clause 7.2.5.
• Service level management functional component is extended with service level management
function for inter-cloud as described in clause 7.2.6.
• Incident and problem management functional component is extended with incident and
problem management function for inter-cloud as described in clause 7.2.7.
• Peer service management functional components is extended with peer service management
function for inter-cloud as described in clause 7.2.8.
– Peer service integration
• Peer service integration functional component is extended with peer CSP management function
as described in clause 7.3.1.
• Peer service integration functional component is extended with inter-cloud service negotiation
as described in clause 7.3.2.
• Peer service integration functional component is extended with inter-cloud service discovery
function as described in clause 7.3.3.

• Peer service integration functional component is extended with inter-cloud service selection
function as described in clause 7.3.4.
• Peer service integration functional component is extended with inter-cloud service reservation
function as described in clause 7.3.5.
• Peer service integration functional component is extended with inter-cloud service release
function as described in clause 7.3.6.
• Peer service integration functional component is extended with inter-cloud capabilities
adaptation function as described in clause 7.3.7.
– Security systems
• Authentication and identity management functional component is extended with
authentication and identity management function for inter-cloud as described in clause7.4.1.
• Authorization and security policy management functional component is extended with
authorization and security policy management function for inter-cloud as described in
clause 7.4.2.

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