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- Transport agnostic
The Cisco MDS 9000 IOA Package provides a unified solution to accelerate I/O operations over metropolitan area networks (MANs) and WANs. - IOA as a fabric service
IOA service units (interfaces) can be located anywhere in the fabric and can provide acceleration service to any port. - Speed independent
IOA can accelerate 1-, 2-, 4-, 8-, and 10-Gbps links and consolidate traffic over 8- and 10-Gbps Inter-Switch Links (ISLs). - Write acceleration
IOA provides disk write acceleration for Fiber Channel or FCIP networks. Write acceleration significantly reduces latency and extends distance for disk replication. - Tape acceleration
IOA provides tape acceleration for Fiber Channel or FCIP networks. Tape acceleration improves the performance of tape devices and enables remote tape vaulting over extended distances for data backup for disaster-recovery purposes. - High-availability and resiliency
IOA combines PortChannels or Equal Cost Multipath (ECMP) with disk and tape acceleration for higher availability and resiliency. - Lightweight Reliable Transport Protocol (LRTP)
IOA uses LRTP to protect higher-level applications against packet losses caused by physical link failures. LRTP provides retransmit capability to recover from error conditions, and it provides reliability and in-order delivery to protect against any packet loss so that the end application is not affected. - Service clustering
IOA service can be clustered to deliver redundancy and load balancing for I/O acceleration. - Transparent insertion
IOA requires no fabric reconfiguration or rewiring and can be transparently turned on by enabling the Cisco MDS 9000 IOA Package license.
The Cisco MDS 9000 I/O Accelerator (IOA) Package provides Small Computer System Interface (SCSI) acceleration to dramatically improve the number of SCSI I/O operations per second over long distances spanned by Fiber Channel or Fiber Channel over IP (FCIP) by reducing the effect of transport latency on the processing of each operation.