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n a traditional system, we see each
department is equipped with its own middleware platform. With the Cloud
Middleware Platforms (CMP), a single product which is installed and
managed centrally, can replace the entire set of platforms installed
separately, say for each departments.
while sharing the same resource, will not be aware of the existence of
the other tenants. Here, multi-tenancy enables centrally
installed/deployed and managed resources, providing an independent
middleware platform virtually for each department, registered as a
tenant, in the organization's cloud middleware platform. Each tenant can
have multiple users.
Now, a cloud middleware
platform, when is hosted on a private, public, or a hybrid cloud
infrastructure, becomes a Platform as a Service. Cloud Middleware
Platform is also referred to as a cloud enabled application platform
(CEAP), by Gartner, indicating that the application platform is
|Stratos Cloud Middleware Platform |
Are all the application platforms are cloud enabled? No, obviously not.
The cloud enablement comes with the fruits of multi-tenancy, and the
native support to be a cloud platform.
An ideal example would be, WSO2
Carbon Platform, where the same platform, cloud enabled, becomes WSO2
Stratos Cloud Middleware Platform. A cloud middleware platform can
usually be hosted over the cloud as a Platform as a Service. It should
be noted that not all the PaaS are provided as a fully functional cloud
middleware platforms. WSO2 StratosLive, the open java PaaS, is the
publicly hosted cloud deployment of Stratos, from WSO2. Migration of
your applications between the PaaS, and the Cloud Middleware Platform
behind the PaaS are generally an easy job. WSO2 provides it from the
bottom up - from an enterprise middleware platform named as Carbon, to
the cloud middleware platform named as Stratos, and finally to the
Platform as a Service - StratosLive and the other public, private, or
hybrid clouds with Stratos as the Cloud Middleware Platform.
An open platform as a service is
committed to fight against the vendor lock-in, by adhering to the open
standards. Open source technologies help a lot in being committed to
being open. Being open means, the application developers should not be
writing an application solely focusing a platform. WSO2 is open by
The Cloud Zone is brought to you in partnership with Internap. Read Bare-Metal Cloud 101 to learn about bare-metal cloud and how it has emerged as a way to complement virtualized services.