Glossary of Terms

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Glossaries

Term Definition
DWDM

DWDM (Dense Wavelength Division Multiplexing) is an optical multiplexing technology used to increase bandwidth over existing fibre networks. It works by combining and transmitting multiple signals simultaneously at different wavelengths on the same piece of fibre..

Direct Dial Inbound

DDI allows users to rent individual phone numbers without the need to rent individual lines. A single phone line is allocated to a range of numbers saving the expense of having a separate phone line for each number.

Desktop-as-a-Service

Desktop as a Service (DaaS) is a cloud service in which the back-end of a virtual desktop infrastructure is hosted by a cloud service provider. DaaS has a multi-tenancy architecture and the service is purchased on a subscription basis.

Data Centre hosting

Data Centre hosting describes the hosting of Data Centres or databases on third party servers. Data Centre hosting is often done through colocation solutions and therefore avoids expensive on premise server and hardware purchases.

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