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Definition
| Conveys the bit-stream. / Electrical, light, or radio signal through the network at the electrical and mechanical level. Also called "media". EIA/TIA-232, V.35. |
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Definition
| Establishes, manages, and terminates connections between applications. / Responsible for coordinating communications between systems/nodes. NFS, SQL, ASP, SCP. |
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Definition
| Supports application and end-user processes. / Provides application services for file transfers, email, and other network software services. |
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Term
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Definition
| Translates from application, to network formats, and vice-versa. / Formats and encrypts/decrypts data to be sent across a network. Responsible for presenting the data in standard formats. jpeg, mpeg, midi, tiff, qt. |
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Definition
| Creates logical paths for transmitting data from node to node. / Includes switching, routing , and forwarding. |
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Definition
| Packets are encoded and decoded into bits. / Two sub-layers: Media Access Control (MAC), Logical Link Control (LLC). LLC handles error control, flow control, framing, etc. MAC handles access to shared media such as Ethernet. |
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Definition
| Responsible for end-to-end error recovery, flow control (windowing), and multiplexing (segmenting). / Ensures complete data transfer. |
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