如何衡量网络性能（如何对网络协议进行基准测试）

First, a bit of a background. There are many various comparisons of distributed version control systems (DVCS) which compare size of repository, or benchmark speed of operations. I haven't found any that would benchmark network performance of various DVCS, and various protocols used... beside measuring speed of operations (commands) involving network like 'clone', 'pull'/'fetch' or 'push'.First, a bit of a background. There are many va