Change Management (CM) is one of the ITIL processes responsible for controlling the life cycle of IT Infrastructure. The main objective of this process is to enable changes to be made while ensuring minimum disruption in IT services. Traditionally, support teams have followed the ITIL change management process to manage changes while delivering IT services. However, with the advent of Cloud services, this has changed. This is mainly due to the way in which services are delivered in Cloud, if we were to consider automation, auto provisioning and decommissioning of services.
This brings us to the question, how do we manage change management process on Cloud. Should we use the traditional ITIL Change management process or do we have to do something different?”
Customers are moving to Cloud for its ability to scale quickly based on business demand and to reduce issues like IT overcapacity. However, the traditional Change Management process in Cloud has the following challenges:
All these challenges can be addressed using either Processes or Tools for change management in Cloud.
Just as it is important to define the right processes for Change management in Cloud, it is equally important to use the right Tools for managing IT infrastructure and applications on Cloud.
Public Cloud providers have various tools that they use for Configuration and Change Management on Cloud. These tools help them capture information like cloud resources currently being used, what has changed, how the relationships between cloud resources have changed and so on.
In short, you can use Cloud tools for undertaking the following activities:
Given below are some popular tools for AWS, Azure and Google cloud which can be used for change management in Cloud:
|Management Tools||Resource/Configuration Inventory||AWS Config||Portal (audit logs)||Cloud Security Scanner|
To cite an example, AWS Public Cloud has a tool called AWS Config which can be used for Configuration and Change Management in Cloud.
AWS Config also enables the following:
The Cloud Config tools also integrate with Mindtree’s Mwatch or ServiceNow CMDB tools to enable effective Change Management process in Cloud.
For example, AWS config tool can be integrated with MindTree’s MWatch or ServiceNow CMDB to manage and track AWS resources at the application and service level. It can also be used to monitor AWS service health and improve its availability by integrating with Amazon Cloud Watch.
All changes made in a hybrid Cloud environment have an impact on business, Hence, controlling changes in Cloud Infrastructure is critical for business success.
Implementing Change Management in Cloud using processes and tools can greatly reduce service interruptions especially those related to Configuration Management.
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