Skip to main content

Posts

Showing posts with the label layers

Understanding the OSI Reference Model: Protocols at Each Layer

protocols at each layer of OSI model The OSI (Open Systems Interconnection) reference model is a conceptual framework used to understand network interactions in seven distinct layers. Each layer has specific protocols that facilitate communication and data exchange. Letā€™s dive into the OSI model and explore the protocols that operate at each layer. Application layer Itā€™s responsible for providing an interface for the user to interact with application services or network services. Ex- Web browser (HTTP), Telne Presentation layer Itā€™s responsible for defining a standard format to the data. The major functions described at this layer are: - Encoding-Decoding Ex- AVI-(video), WAV-(voice), JPEG (graphite), ASCII (text) Encryption-Decryption Session layer Itā€™s responsible for establishing, maintaining, and terminating the sessions. Session ID is used to identify a session or interaction. Ex- Remote procedural call, Apple talk session protocol. Transport Layer It provides data delivery me...