• HigherGround

Virtualization: Flexibility and Scalability

Updated: May 23, 2019

By Licia Wolf

The growing trend of virtualization has provided many benefits to a wide variety of enterprises and organizations. A primary advantage of virtualization is that it allows better utilization of resources.

Sharing servers and other resources is one way that virtualization optimizes IT resources. It provides flexibility that allows closer alignment with an organization’s needs for computing, storage and/or database systems.

Changing needs can be accommodated easily by allocating resources to applications with heavier or lighter loads. For example, if one application grows quickly while another is underutilized, virtualization allows fast and easy scaling to meet the requirements of the growing application while allocating less resources to the diminishing one. The ability to reallocate resources enables business to grow and meet computing needs without a large investment in new equipment, licenses, and IT manpower.

Two Types of Scalability

Two types are scalability are recognized: Vertical and Horizontal.

Horizontal Scalability

Horizontal Scalability, also called scaling out, involves the amount of hardware and software required to accommodate the workload in your network. Horizontal Scalability is necessary if you

are adding new applications or increasing data volume in your environment. In this case, more hardware and storage space would be needed.

Vertical Scalability

Within a virtual environment, one or more virtual central processing units (vCPU) are assigned to Vertical Scalability, also called scaling up, involves growing and re-allocating features such as memory, bandwidth, and CPU cores in your network. In this case, you can scale up vertically by

increasing these and other resources for the existing applications when they require it. In some cases, vertical scaling will require adding RAM or other hardware or firmware, and in other cases a simple reallocation of the existing configuration will suffice. The addition of resources to a Virtual Machine can be set up through the hypervisor's management system.

Virtualization in the Cloud

In an organization with on-premise computing and storage, there may be a limited amount of hardware and budget. In a cloud environment, scalability of virtualization becomes greater. Cloud computing affords automated scaling as needed and can accommodate growing and shrinking demands without costly hardware and/or software reconfiguration. For example, Amazon Cloud Services employs alarms and load balancers that monitor and regulate the average CPU utilization of an instance. This ensures that the appropriate resources will be allocated to your computing requirements without the expense and headache of in-house maintenance.

Many software applications today are virtualized, including platforms that formerly required a dedicated server. HigherGround call//interaction recording system is fully virtualized and can be used in both on-premise and off-premise (e.g. cloud) environments

If you have comments or contributions on Scalability and Virtualization, we would love to hear from you. Join the conversation and share your thoughts.

Learn more about Virtualization and HigherGround - read the white paper.

About the Author - Licia Wolf is the Marketing and Communications Manager at HigherGround. She holds a Ph.D., and a professional background in electronics, internet marketing, and print/imaging technology. Click here for more information on the rest of the HigherGround team.

HigherGround, Inc. provides best-in-class, reliable data capture and interaction storage solutions that enable clients to easily retrieve critical information. Our interaction recording and incident reconstruction solutions transform data into actionable intelligence, allowing optimization of operations, enhanced performance, and cost reduction.

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