value streams is that our work is invisible. Unlike physical processes, in the technology value stream we cannot easily see where flow is being impeded or when work is piling up in front of constrained IN THE VALUE STREAM 1. In the book Implementing Lean Software Development: From Concept to Cash, Mary and Tom Poppendieck describe waste and hardship in the software development stream as anything that enable the organization to achieve its mission. Responsibilities are shared throughout the value stream, and failure results in reflection and genuine inquiry. iv. INSTITUTIONALIZE THE IMPROVEMENT OF

production access or other privileged accounts. ii. Make it highly visible for everyone in the value stream iii. Promotes responsibility 1. The team has nothing to hide from its visitors (customers, stakeholders)2 from locally optimizing at the expense of the entire value stream – Everyone (development, managers, architects, ops, etc.) in the value stream shares responsibility for handling operational incidents and Guidelines 1. Everyone must have someone review their changes2. Everyone should monitor the commit stream of their fellow team members to identify issues 3. Define changes which qualify as high-risk and

system are shared in a version control repository ii. Version control is for everyone in the value stream iii. Everything, everything, everything is checked into version control 1. Application code & dependencies resolve the problem iii. Prioritize organizational/team goals over individual goals 1. The value stream is a working application, not just working people iv. Later stages may not necessarily stop all

★Tcp-server import socket host = "0.0.0.0" port = 1234 sock1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # 创建 socket，ipv4,tcp sock1.setsockopt(socket.IPPROTO_TCP, socket.TCP_MAXSEG, 1300) ★Tcp-client import socket host = "127.0.0.1" port = 1234 sock1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # 创建 socket，ipv4,tcp sock1.setsockopt(socket.IPPROTO_TCP, socket.TCP_MAXSEG, 1300) encode("utf8")) con.close() host = "0.0.0.0" port = 1234 sock1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # 创建socket sock1.setsockopt(socket.IPPROTO_TCP, socket.TCP_MAXSEG, 1300) # 设置tcp_mss为1300

and adapting process to maximize its impact. Continuous Delivery and DevOps place the entire value stream in the hands of that small team so that it can optimize the whole – a term of art in lean thinking

then continuing to adapt the system over time as the business changes versus buying an undefined stream of future services from a vendor who doesn’t know your business and doesn’t have financial incentives