Quality Center - Introduction

What is Quality Center?

HP Quality Center (QC), a test management tool, is now popularly known as Application Life Cycle Management (ALM) tool, as it is no longer just a test management tool but it supports various phases of the software development life cycle.

HP-ALM helps us to manage project milestones, deliverables, and resources. It also aids in keeping track of project health, standards that allow Product owners to guage the current status of the product. It is important to understand the history, architecture, and workflow of Quality Center.

History of QC

Quality Center was formerly known as Test Director, a product of Mercury Interactive. The following table provides us a better insight about the version history of QC.

S.No# Commercial Name Version Numbers Owned By
1. Test Director v1.52 to v8.0 Mercury Interactive
2. Quality Center v8.0 to v9.0 Mercury Interactive
3. Quality Center v9.2 to v10.0 Hp
4. ALM v11.0 to v11.5x Hp

Architecture of QC

HP-ALM is an enterprise-wide application that is based on Java 2 Enterprise Edition (J2EE) technology and uses MS SQL Server or Oracle as its back end. There is also a load balancer to effectively cater users’ requests.

Site Administration Database is hosted on a standalone database server, while other project related data are stored on a separate database server. The following diagram shows how the setup of QC would be in a large corporation.

Architecture of QC

HP ALM Editions

HP ALM is a commercial licensed tool and HP deploys it in four different editions that are listed below −

  • HP ALM
  • HP ALM Essentials
  • HP Quality Center Enterprise Edition
  • HP ALM Performance Center Edition

ALM Edition Feature Comparison

Each one of the above editions has its own limitation in terms of ALM functionalities. Based on the following table, one can decide which license is required for their project purpose.

Feature HP ALM HP ALM Essentials HP QC Enterprise Edition HP ALM Performance Center Edition
Release Management Yes Yes Yes Yes
Project Planning and Tracking Yes No No No
Risk Based Quality Management Yes No Yes No
Test Authoring and Execution Yes Yes Yes Yes
Test Resources Yes Yes Yes Yes
Test Configurations Yes No Yes Yes
Hp Sprinter Yes No Yes No
Lab Management Yes No No Yes
Versioning Yes No Yes Yes
Baselining Yes No Yes Yes
Cross Project Customization Yes Yes No Yes
Sharing Defects Yes No No No

Quality Center Workflow

The following diagram shows the workflow of Quality Center −

Workflow of QC
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