Windows Network Programming Chinese notes (i)

OSI Network model

OSI (open System Interconnection) Open Systems interconnect

The seventh tier application layer provides the user with the appropriate interface to use the provided networking capabilities

The sixth layer of the presentation layer completes the formatting of the data

The fifth session layer controls the communication link between the two hosts (open, operate, and shut down)

Layer Fourth Transport layer provides data transfer service (reliable or unreliable)

The third layer of network layer provides a set of address/addressing mechanisms between two hosts, while also responsible for routing of packets

The second layer of Data link Layer controls the physical communication link between the two hosts, and it is also responsible for shaping the data for transmission on the physical media

The first physical layer of physical media is responsible for outgoing data in the form of a series of electronic signals

Windows Network Programming Chinese notes (i)