CriteriaList

Criteria List

General Criteria

• Speed for doing some common application.
• Ease of use.
• Total Cost of Ownership
• Expandability
• Current and Future Support
• File Server Speed
• Web Server Speed
• Specialized Hardware needed
• Desktop Ease of use
• Device Driver support

Process

• Synchronisation support
  • semaphores / mutex
  • critical region
  • monitors
  • atomic transaction
  • checkpoint recovery
• Deadlock recovery / prevention / avoidence
• Inter-Process Communication
  • shared memory
  • message system
  • socket support
• Process queues (long term / medium term / short term)
• Concurrency
  • Thread support (user types / kernel)
  • system calls
  • signal handling (user/default)
  • pthreads support
• cpu scheduling
• multiple processor support
• Real Time scheduling

Memory Management

• hardware support
  • page table methods
  • segmentation support
• Memory allocation
• dynamic loading
• Address binding
• fragmentation (internal / external)
• memory protection
• swap (backing-store) strategy
• page sharing support
• virtual memory support
  • process creation
  • demand paging
  • page replacement
  • frame allocation
  • thrashing protection
  • page locking
  • costs