Hardware (physical and electrical interfaces)
Communication (data connectivity, content and completeness)
Software (API and data processing)
Connecting sub-systems together to form a homogenous platform
Requirements to integrate software with hardware platform
Network Management System / MMI elements
Requirements to integrate third party products, systems or interfaces
Requirements for end to end integration
System migration, cutover plan and contingency plan
System reliability, on-line performance monitoring and results analysis
Integration validation and acceptance
