1. User Requirements
   1. Timeliness
      1. end-to-end
      2. round-trip
   2. Interactivity
      1. round-trip
   3. Reliability
   4. Presentation quality
   5. Adaptability
   6. Security
      1. confidentiality
      2. integrity
      3. authenticity
   7. Affordability
   8. Functionality
   9. Supportability
   10. Future growth
       1. new application
       2. user growth
2. Requirements
   1. core/fundamental requirements
      1. metrics
   2. features
   3. categorization
3. Application Requirement
   1. Application Types
      1. Mission-critical
         1. RMA
      2. Rate-critical
         1. Capacity
      3. Real-time
         1. Delay
            1. Non-real-time application
            2. Asynchronous application
            3. Interactive application
            4. burst
            5. bulk
            6. Real-Time application
   2. Application Groups
      1. Telemetry/Command-and-Control Applications
      2. Visualization Applications
      3. Distributed-Computing Applications
      4. Web Development, Access, and Use Applications
      5. Bulk Data Transport Applications
      6. Tele∗Service Applications
      7. Operations, Administration, Maintenance, and Provisioning (OAM&P) Applications
      8. Client–Server Applications
   3. Application Locations
4. Device Requirements
   1. Device Types
      1. Generic computing devices
      2. Servers
      3. Specialized devices
   2. Performance Characteristics
      1. Storage performance
      2. Processor performance
      3. Memory performance
      4. Bus performance
      5. OS performance
      6. Device driver performance
   3. Device Locations
5. Network Requirements
   1. Existing Networks and Migration
      1. Scaling dependencies
      2. Location dependencies
      3. Performance constraints
      4. Network, system, and support service dependencies
      5. interoperability dependencies
      6. Network obsolescence
   2. Network Management and Security
      1. Network management tasks
         1. Monitoring for event notification
         2. Monitoring for metrics and planning
         3. Network configuration
         4. Troubleshooting
      2. Network management requirements
         1. Monitoring methods
         2. Instrumentation methods
         3. Sets of characteristics for monitoring
         4. In-band versus out-of-band monitoring
         5. Centralized versus distributed monitoring
         6. Performance requirements
      3. Security requirements
         1. Risk analysis
6. Other Requirements
   1. Supplemental Performance Requirements
      1. Operational suitability
      2. Supportability
      3. Confidence
   2. Financial Requirements
      1. One-time costs
      2. Recurring costs
   3. Enterprise Requirements
7. The Requirements Specification and Map