The term coldfusion scaling means - ”to reduce or increase the design of an application.” In the coldfusion framework, it is necessary for the application to increase its traffic handling capacity, tasks, activities and transactions.

There are following objects to be considered for scaling in coldfusion application -

hardware like - application and hosting server
software - device deployment and running
network infrastructure like - routers and hubs
third party caching servers and proxy servers

The first approach towards coldfusion application scaling is the increasing of server space. It can be done both horizontally or vertically. Horizontal scaling increases the number of servers and vertical scaling increases the number of server resources and efficiency like -CPU, memory space and other tools. This process is also known as clustering.

Clustering also allows an application developer to the connecting the one coldfusion application to the multiple of servers without any server downtime or failure. The setting of one coldfusion application with the other multiple of servers is so difficult task in itself. There are so many considerations in handling the clustering activities of a coldfusion application -

How many servers are needed for an application ?

what type of servers are needed to deploy an application ?
How will load balancing and traffic distribution will be done in the application ?
How will you syndicate your content in multi-tier server architecture ?

One more common approach is to manage the coldfusion application is by using tiering approach. The most simple coldfusion application is distributed in between two or three tier server architecture. Most complex coldfusion applications can also be connected to the multi-tier server architecture.

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