||Location (Not Relevant: All 5 projects are in the same location (Chendu), there is no process difference since they all follow the same processes after tailoring.)
Customer: There are 2 types of customer: internal and external. Internal customer is for product development, and external customer for customization. The differences of processes are feasibility analysis, requirement elicitation and validation, and deployment procedure. Please refer to section 7.1 of appraisal plan for details.
Size (Not Relevant: Although projects are with different sizes, but there is no process difference for sizes since they all follow same processes after tailoring.)
Organizational Structure (Not Relevant: All 5 projects are within R&D Center, there is no significant process differences after tailoring.)
Type of Work: There are 2 types of work: software development and system development. The formal is software only and the later is system development including hardware and software (firmware). The differences are in life cycle, requirement analysis, system architecture design, product integration, and testing.