技术在快速发展进步。因此，我们建立了易于使用的术语汇编，帮助您更好地了解影响您业务的术语、技术和趋势。
In the seven-layer OSI model, it is the session layer. The session layer provides the mechanism for opening, closing and managing a session between end-user application processes. This layer is not used in modern communication networks.
