Page 1100 - Cloud computing: From paradigm to operation

8 Assisting developing countries

3.1.16 network as a service (NaaS) [ITU-T Y.3500]: Cloud service category in which the capability provided
to the cloud service customer is transport connectivity and related network capabilities.

3.1.17 party [ITU-T Y.3500]: Natural person or legal person, whether or not incorporated, or a group of
either.

3.1.18 platform as a service (PaaS) [ITU-T Y.3500]: Cloud service category in which the cloud capabilities
type provided to the cloud service customer is a platform capabilities type.

3.1.19 private cloud [ITU-T Y.3500]: Cloud deployment model where cloud services are used exclusively by
a single cloud service customer and resources are controlled by that cloud service customer.

3.1.20 public cloud [ITU-T Y.3500]: Cloud deployment model where cloud services are potentially available
to any cloud service customer and resources are controlled by the cloud service provider.
3.1.21 resource management [ITU-T Y.3520]: The most efficient and effective way to access, control,
manage, deploy, schedule and bind resources when they are provided by service providers and requested by
customers.

3.1.22 role [ITU-T Y.3502]: A set of activities that serves a common purpose.
3.1.23 service level agreement (SLA) [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.
3.1.24 software as a service (SaaS) [ITU-T Y.3500]: Cloud service category in which the cloud capabilities
type provided to the cloud service customer is an application capabilities type.

3.2 Terms defined in this Supplement
None.

4 Abbreviations and acronyms

This Supplement uses the following abbreviations and acronyms:
AC Alternating Current
BaaS Back-up as a Service

CaaS Communications as a Service
CAPEX Capital Expenditure

CompaaS Compute as a Service
CSC Cloud Service Customer
CSP Cloud Service Provider

DaaS Desktop as a Service
DC Direct Current

DraaS Disaster Recovery as a Service
DSaaS Data Storage as a Service

IaaS Infrastructure as a Service
ICT Information and Communication Technology

IT Information Technology
IXP Internet Exchange Point

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