v2.16

always send new segments before retransmission checks

optimize rtt estimator

v2.15

optimizations on update_ack, using shift operators

adjust pipeline processing to eliminate jitters

v2.14

remove rtomin, set rtt's clock G(ranularit) to interval

fix a bug for in-effective write notify

v2.13

optimize code on LOCK# , and a bug fix in write notify

rtt optimize

use recent ack for rto calc in a single packet.

BufferBloat问题优化等

v2.11

get rid of heap & optimize in slice for better jitter

Fix BufferBloat with Buffered Channel

https://en.wikipedia.org/wiki/Bufferbloat

20170114

v2.05

fix test

v2.04

Update README.md

v2.0.3

add a comment for sliding window