Project-Specific Process Tailoring and CMMI Level 3
March 26th, 2009 by Payman HodaieProject-specific process tailoring falls within Organizational Process Definition (OPD), a CMMI-DEV level 3 process area. The purpose of OPD is to establish and maintain the overall organization’s processes. This include definition of processes (based on organization’s process requirements), establishment of organization’s process architecture (how processes relate to each other to best suit the organization’s structure and environments), and definition of tailoring guidelines and procedures. OPD has one specific goal SG 1 Establish Organizational Process Assets, which in turn, has six practices
SP 1.1 Establish Standard Processes
SP 1.2 Establish Lifecycle Model Description
SP 1.3 Establish Tailoring Criteria and Guideline
SP 1.4 Establish the Organization’s Measurement Repository
SP 1.5 Establish the Organization’s Process Asset Library
SP 1.6 Establish Work Environment Standards
In this post, I am only going to get into the details of SP 1.3, but I will talk about other specific practices of this process area in future posts. Also, I really want to do a post on CMMI level 3 in general. For me this is the most interesting CMMI level, as it’s so process-focused.
As I have mentioned in my previous post, process tailoring is the process by which organization’s set of standard process are adjusted to better suit a specific development project. In CMMI terminology, organization’s set of standard processes (OSSP) are tailored into a defined process (a suitable process for a project). More specifically this practice requires that tailoring to start by selecting standard processes–to be tailored–based on defined criteria, adjustments to the selected processes be made based on well defined tailoring guidelines, and defined procedures followed for any deviation from tailoring guidelines.
This may be too formal and demanding for most organizations, but is very beneficial for mature process-centric organizations. Keep in mind that tools, such as IRIS, automate many aspects of tailoring, such as creations and management of tailoring guidelines and enforcement of the tailoring procedures, hence, substantially reducing the overhead involved.
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