CMMI 3级过程域： 需求开发
SG1 Develop Customer Requirements 开发客户需求
SP 1.1 Elicit Needs 获取客户的需要
SP 1.2 Develop the Customer Requirements 生成客户需求
SG2 Develop Product Requirements 开发产品需求
SP 2.1 Establish Product and Product Component Requirements
建立产品需求和构件需求
SP 2.2 Allocate Product Component Requirements 分配产品构件需求
SP 2.3 Identify Interface Requirements 确定接口需求
SG3 Analyze and Validate Requirements 分析和确认需求
SP 3.1 Establish Operational Concepts and Scenarios 建立操作概念和场景
SP 3.2 Establish a Definition of Required Functionality 定义功能需求
SP 3.3 Analyze Requirements 分析需求
SP 3.4 Analyze Requirements to Achieve Balance 平衡需求
SP 3.5 Validate Requirements 确认需求
CMMI 3级过程域：
技术方案
SG1 Select Product Component Solutions 选择产品构件方案
SP 1.1 Develop Alternative Solutions and Selection Criteria 开发候选方案和选择准则
SP 1.2 Select Product Component Solutions 选择产品构件方案
SG2 Develop the Design 设计
SP 2.1 Design the Product or Product Component 设计产品或构件
SP 2.2 Establish a Technical Data Package 建立技术数据包
SP 2.3 Design Interfaces Using Criteria 设计接口
SP 2.4 Perform Make, Buy, or Reuse Analyses 分析“制作、购买或重用”
SG3 Implement the Product Design 实现产品设计
SP 3.1 Implement the Design 实现构件的设计
SP 3.2 Develop Product Support Documentation 编写产品支持文档
CMMI 3级过程域： 产品集成
SG1 Prepare for Product Integration 准备产品集成
SP 1.1 Determine Integration Sequence 确定集成次序
SP 1.2 Establish the Product Integration Environment 建立产品集成环境
SP 1.3 Establish Product Integration Procedures and Criteria 建立产品集成规程和准则
SG2 Ensure Interface Compatibility 确保接口兼容
SP 2.1 Review Interface Descrīptions for Completeness 审查接口描述的完备性
SP 2.2 Manage Interfaces 管理接口
SG3 Assemble Product Components and Deliver the Product 组装产品构件和交付产品
