Serial Storage Architecture

(SSA) IBM's proposed ANSI standard for a standard high-speedinterface to disk clusters and arrays. SSA allowsfull-duplex packet multiplexed serial data transfers atrates of 20Mb/sec in each direction.

According to John Taylor, programme manager at IBM's StorageDivision at Havant, SSA will be used in arrays of discsworking with high-end computers ranging from mainframes downto LAN servers. Taylor said that SSA differs from the IEEEproposed P1394 serial interface specification in its abilityto offer simultaneous multiplexed transfers from more than onedisk or array. IBM also supports the P1394 standard whichwill be used primarily by desktop PCs for multimediaapplications.

SSA has received backing from a number of companies includingconnector makers Molex, ITT Cannon and AMP, disk drive makersConner and Western Digital and RAID array suppliers likeDynatech and NCR. IBM expects to see the first SSA productsreleased at Comdex in Autumn 1994 but it will be 1995 beforethe products ship in volume.

Under an agreement signed with ASIC maker and ARM licenceeVLSI Technology, IBM will use ARM-based chips made by VLSIto implement the SSA interface and VLSI will make these coresavailable to third parties as one of its Functional SystemBlocks.

单词	serial storage architecture
释义	Serial Storage Architecture Serial Storage Architecture (SSA) IBM's proposed ANSI standard for a standard high-speedinterface to disk clusters and arrays. SSA allowsfull-duplex packet multiplexed serial data transfers atrates of 20Mb/sec in each direction. According to John Taylor, programme manager at IBM's StorageDivision at Havant, SSA will be used in arrays of discsworking with high-end computers ranging from mainframes downto LAN servers. Taylor said that SSA differs from the IEEEproposed P1394 serial interface specification in its abilityto offer simultaneous multiplexed transfers from more than onedisk or array. IBM also supports the P1394 standard whichwill be used primarily by desktop PCs for multimediaapplications. SSA has received backing from a number of companies includingconnector makers Molex, ITT Cannon and AMP, disk drive makersConner and Western Digital and RAID array suppliers likeDynatech and NCR. IBM expects to see the first SSA productsreleased at Comdex in Autumn 1994 but it will be 1995 beforethe products ship in volume. Under an agreement signed with ASIC maker and ARM licenceeVLSI Technology, IBM will use ARM-based chips made by VLSIto implement the SSA interface and VLSI will make these coresavailable to third parties as one of its Functional SystemBlocks. AcronymsSeeSSA
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