| 释义 |
data flow controlDFClayer RUs；group related RUs into RU chains；delimits transactions via the bracket protocol；controls the interlocking of requests and responses in accordance with control modes specified at session activation；generates sequence numbers；and correlates requests and responses.；在系统网络体系结构SNA半话路期中的层,它控制半话路期是否能发送、接收或同时发送和接收请求单元,将相关的请求单元组合为请求单元链,通过分层协议定界事务,根据激活话路时所规定的控制方式控制请求和应答的连锁,生成序号并使请求和应答相互关联。 |