INTER-CLOUD RESOURCE MANAGEMENT

Cloud of Clouds (Intercloud)

Intercloud or 'cloud of clouds’-refer to a theoretical model for cloud computing services.
Combining many different individual clouds into one seamless mass in terms of on-demand operations.
The intercloud would simply make sure that a cloud could use resources beyond its reach.
Taking advantage of pre-existing contracts with other cloud providers.
Every single cloud does not have infinite physical resources or ubiquitous geographic footprint.
A cloud may be saturated to the computational and storage resources of its infrastructure.
It would still be able to satisfy such requests for service allocations sent from its clients.
A single cloud cannot always fulfill the requests or provide required services.
When two or more clouds have to communicate with each other, or another intermediary comes into play and federates the resources of two or more clouds.
In inter-cloud, the intermediary is known as a “cloud broker” or simply “broker.”
A broker is the entity that introduces the cloud service customer (CSC) to the cloud service provider (CSP)

Six layers of cloud services and their providers

The top layer offers SaaS which provides cloud application.
PaaS sits on top of IaaS infrastructure.
The bottom three layers are more related to physical requirements.
The bottommost layer provides Hardware as a Service (HaaS).
NaaS is used for interconnecting all the hardware components.
Location as a Service (LaaS), provides security to all the physical hardware and network resources. This service is also called as Security as a Service.
The cloud infrastructure layer can be further subdivided as

INTER-CLOUD RESOURCE MANAGEMENT - CLOUD COMPUTING