Relier Pairs OSI LayersVersion en ligne Matching the OSI Layers par Julie Myers 1 Application Layer 2 Transport Layer 3 Physical Layer 4 Network Layer 5 Presentation Layer 6 Data Link Layer 7 Session Layer Establishes, manages and ends user connections, Manages interaction between end systems, and Data syncing between applications Provides services directly to user applications, Authentication and HTTP & FTP used at this layer Error recovery and flow control, User Datagram Protocol (UDP), and Port Logical IP Address, Data routing and relaying standards, and Packet Error Handling at the frame level, Frame, and the Physical Address (MAC) Bitstream, Cabling Media, and Signal Encryption, Provides data transformation to provide common interface and Compression