
OSI model - Wikipedia
The Open Systems Interconnection (OSI) model is a reference model developed by the International Organization for Standardization (ISO) that "provides a common basis for the coordination of standards development for the purpose of systems interconnection."
What is OSI Model? – Layers of OSI Model - GeeksforGeeks
2025年1月20日 · The OSI Model is a seven-layer framework that standardizes how different computer systems communicate over a network, facilitating data transmission and troubleshooting by defining specific functions for each layer.
一文读懂OSI七层模型和TCP/IP五层模型 - 知乎 - 知乎专栏
“ OSI模型,即 开放式通信系统互联参考模型 (Open System Interconnection Reference Model),是国际标准化组织(ISO)提出的一个试图使各种计算机在世界范围内互连为网络的标准框架,简称OSI。 OSI定义了网络互连的七层模型(物理层 、 数据链路层 、 网络层 、 传输层 、 会话层 、 表示层 、 应用层),如下图所示: 图 1 OSI七层模型. 应用层:为应用程序或用户请求提供各种请求服务。 OSI参考模型最高层,也是最靠近用户的一层,为计算机用户、各种应用 …
OSI模型 - 维基百科,自由的百科全书
开放式系统互联模型(英語: Open Systems Interconnection Model ,縮寫:OSI;簡稱為OSI模型)是一種概念模型,由国际标准化组织提出,一个试图使各种计算机在世界范围内互连为网络的标准框架。定義於ISO/IEC 7498-1。
一文彻底搞懂OSI七层模型和TCP/IP四层模型 - CSDN博客
2024年3月14日 · 本文详细解释了OSI七层模型和TCP/IP四层模型,阐述了各层的功能及应用层常见的HTTP、FTP、SMTP等协议,以及传输层的TCP和UDP,网络层的IP、ICMP、ARP和RARP,以及网络接口层的以太网、Wi-Fi等技术。 1. OSI七层模型. 2. TCP/IP四层模型. 1. OSI 七层 模型. OSI(Open System Interconnect)七层模型是一种将 计算机网络 通信协议划分为七个不同层次的标准化框架。 每一层都负责不同的功能,从物理连接到应用程序的处理。 这种模型 …
What is OSI Model | 7 Layers Explained - Imperva
2025年1月15日 · What Is the OSI Model? The Open Systems Interconnection (OSI) model describes seven layers that computer systems use to communicate over a network. The OSI model is divided into seven distinct layers, each with specific responsibilities, ranging from physical hardware connections to high-level application interactions.
What Is the OSI Model? - IBM
2024年6月11日 · The Open Systems Interconnection (OSI) model—also called the OSI reference model—is a conceptual model that divides network communication and interoperability into seven abstract layers. It provides a standardized model that enables different applications, computer systems and networks to communicate.
The OSI Model – The 7 Layers of Networking Explained in Plain …
2020年12月21日 · This article explains the Open Systems Interconnection (OSI) model and the 7 layers of networking, in plain English. The OSI model is a conceptual framework that is used to describe how a network functions. In plain English, the OSI model helped standardize the way computer systems send information to each other.
深入理解 OSI RM 7 层模型:计算机网络基础的关键-CSDN博客
1 天前 · OSI/RM(Open System Interconnection/Reference Model)是一个标准化的七层网络体系结构模型,用于定义和规范不同系统间的信息交换。该模型从下到上依次为物理层、数据链路层、网络层、传输层、会话层、表示层和应用层。其中低三层关注端到端的数据传输,涉及硬件设备间的通信连接建立与管理;高三层 ...
What is the OSI Model? - 7 OSI Layers Explained - AWS
The Open Systems Interconnection (OSI) model is a conceptual framework that divides network communications functions into seven layers. Sending data over a network is complex because various hardware and software technologies must work cohesively across geographical and political boundaries.