I 
    IDS (intrusion detection system), 422 
     IEEE1394 standard, 110111 
     image processing case study, 453464 
     import auto industry case study, 465476 
     in- band management functions, 246247 
     Industry Standard Architecture (ISA), 99 
     InfiniBand standard, 268, 343346, 496 
      Initial Sequences Numbers (ISNs), 438439 
         International Image Processing Company case study, 453464 
     Internet 
  Common Internet File System.  See  CIFS 
  data stored on.  See  web-based storage 
  servers on, 14, 21 
  WIT workloads, 304307, 327328 
     Internet NAS architecture, 139141 
     Internet Protocol.  See  IP 
      Internet service providers (ISPs),1415, 185 
      interswitch linking (ISL) functions, 249251 
     intrusion detection system (IDS), 422 
           I/O device addressing, 145 
      I/O manager 
  described, 144145 
  features, 145146 
  NAS hardware as, 144152 
  NAS software as, 171174 
     I/O operations 
  block, 337338, 342343 
  distributing, 5356 
  NAS, 134137, 144152, 156, 339 
  Rapid I/O, 346347 
  SANs, 5356, 337338, 340 
  shared I/O, 112113 
  WIT I/O, 327 
     I/O operations performed per second (IOPS), 156 
     I/O priority interface, 146 
       I/O workloads, 275292 
  attributes, 281284 
  business applications, 281284 
  capacity planning and, 405406 
  characterization of, 278280 
  considerations, 290292 
  data organizational model, 285290 
  data paths, 289290 
  defined, 278 
  integration with web services, 341 
  NAS, 173174 
  storage networking and, 290292 
  user access, 287289 
  workload solutions matrix, 292 
   See also  workloads 
     IOPS (I/O operations performed per second), 156 
     IP (Internet Protocol), 80 
          ISA (Industry Standard Architecture), 99 
     iSCSI configurations, 342344 
      iSCSI (Internet SCSI) standard, 276, 496 
     ISL functions, 242, 249252 
     ISL (interswitch linking) functions, 242, 249251 
     ISNs (Initial Sequences Numbers), 438439 
     ISPs (Internet service providers), 1415, 185 
     IT organizations 
  effects of storage networks on, 3334 
  storage networking needs, 2123