Page 435 - Cloud computing: From paradigm to operation

Cloud Computing management 2

3.1.6 inter-cloud computing [ITU-T Y.3511]: The paradigm for enabling the interworking between two or
more cloud service providers.
NOTE – Inter-cloud computing is also referred as inter-cloud.

3.1.7 management system [b-ITU-T M.60]: A system with the capability and authority to exercise control
over and/or collect management information from another system.

3.1.8 service level agreement (SLA) [b-ITU-T Y.3500]: Documented agreement between the service
provider and customer that identifies services and service targets.

NOTE 1 – A service level agreement can also be established between the service provider and a supplier, an internal
group or a customer acting as a supplier.
NOTE 2 – A service level agreement can be included in a contract or another type of documented agreement.

3.2 Terms defined in this Recommendation
This Recommendation defines the following term:

3.2.1 service management interface (SMI): Interface that provides a set of management capabilities
exposed by a cloud service through which the cloud service can be managed.
NOTE – For additional details of SMI concepts, see [ITU-T Y.3520] and [b-TMF TR198].

4 Abbreviations and acronyms

This Recommendation uses the following abbreviations and acronyms:
BSS Business Support System

CSC Cloud Service Customer
CSP Cloud Service Provider

CSU Cloud Service User
CT Communication Technology

E2E End-to-End
EMS Element Management System
eTOM Enhanced Telecom Operations Map

IaaS Infrastructure as a Service
IT Information Technology

KQI Key Quality Indicator
NaaS Network as a Service
NMS Network Management System

OSS Operational Support System
PaaS Platform as a Service

SaaS Software as a Service
SLA Service Level Agreement

SLO Service Level Objective
SMI Service Management Interface

TMN Telecommunications Management Network
VM Virtual Machine

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