国际上的大趋势都已要求医疗、金融、通信等关键领域企业采用WORM(一次写多次读)的介质保存数据,以防数据被恶意更改,国内也已经注意到类似的问题,用DVD-RAM显然不能满足这一要求。
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一次写多次读光盘 Write Once Read Many ; WORM
一次写入多次读取 Write Once Read Many
一次写入多次读出光盘 CD-WORM ; compact disc-write once read many
写一次读多次介质 WORM
写一次读多次 Write Once Read Many
写入一次多次读取 Write Once Read Many ; WORM
一次写入多次读出存储 Write Once Read Many ; WORM
一次写入多次读 Write Once Read Many ; WORM
一次写入多次读出 Write Once Read Many
如果没有分帧机制,一端接收到的数据可能比另外一端发送的数据多或少(这会将一次写操作划分成多次操作,或者将多次写操作合并到一个读操作中)。
Without framing, a peer may receive more or less than was sent (splitting up a write or aggregating multiple writes into a single read).
由于XSLT处理模型是“写一次读多次”的,同步逻辑可以变得更简单,使浏览树变得更快。
Because the XSLT processing model is "write-once, read-many," the synchronization logic can be much simpler, leading to faster navigation of the tree.
这些应用都是写数据一次,读却是一次到多次,并且读的速度要满足流式读。
These applications write their data only once but they read it one or more times and require these reads to be satisfied at streaming speeds. HDFS supports write-once-read-many semantics on files.
应用推荐