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1·As you know, TCP dynamically calculates timeout based on the round-trip time measured by TCP.

正如您所知道的，TCP根据所测量的往返时间，动态地计算超时。

2·You can compare latency in online games to the round-trip time it takes parents to drive from home to the store and back.

可以将在线游戏中的延迟与您开车从家里到商店并返回的时间进行对比。

3·The infrastructure USES an exponential back-off algorithm to determine when to retransmit, based on a computed average round-trip time.

基础结构会使用指数倒退演算法，根据计算出来的平均来回时间决定何时重新传输。

4·However, with high-speed networks, such as Gigabit Ethernet and 10 Gigabit Ethernet, the round-trip time (hence retransmission timeout) is expected to be much lower.

然而，对于一些高速网络，如千兆位的以太网和万兆位的以太网，预期的往返时间(因此重新传输超时)要低得多。

5·The time for the first retransmission attempt is adjusted according to the calculated round-trip time and the resulting stretch of time that those attempts take varies accordingly.

第一次尝试重新传输的时间会根据计算出来的来回时间调整，这些尝试所花费的时间也会因此而有所不同。

6·On the other hand, if you can use hints from the client and server, so the server can prepare for the incoming late-model, high-performance sports car, then round-trip time can be reduced.

反之，如果对客户机和服务器之间传输的数据进行适当的设计，让服务器像新型跑车那样高效率，那么往返时间就可以降低。

7·When the CPU load goes up, the time taken for a log file sync round trip can increase even when the number of log file syncs and the volume of redo log generated doesn't change.

CPU负荷增长尽管(写)事务量没有变写日志个数没有变日志文件同步的往返信号传输时间就会延长。

8·Checking is easy but expensive (you have to make an extra call to SimpleDB, which is slow since it's a whole HTTP round trip plus the processing time on Amazon's side).

要进行检查也很简单，但是需要付出开销(您必须额外调用SimpleDB，而调用会很慢，因为需要完整的HTTP往返以及amazon端的处理时间)。

9·Latency is the amount of time (usually measured in milliseconds) that a packet of data takes to get from one point to another and then back in a round trip.

延迟是数据包从一个地点到另一个地点然后返回这一个来回所花费的时间(通常以毫秒计)。

10·So I don't want to round-trip the entire form to server just to validate a single field, or download the thousands of possible airport IATA codes to the client each time.

所以，我不希望只是为了验证一个单个字段要在服务器间往返通信整个表单，或者每次都需要将数千个机场的 IATA 编码下载到客户端。