ddsf:public:guidebook:06_append:glossary:t:transportlayer
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ddsf:public:guidebook:06_append:glossary:t:transportlayer [2021/07/14 15:53] murphy ↷ Links adapted because of a move operation |
ddsf:public:guidebook:06_append:glossary:t:transportlayer [2021/07/14 16:45] (current) murphy ↷ Links adapted because of a move operation |
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| ===== Transport Layer ===== | ===== Transport Layer ===== | ||
| - | [[ddsf:private:guidebook:06_append:glossary:start| Return to Glossary ]] | + | [[ddsf:public:guidebook:06_append:glossary:start| Return to Glossary ]] |
| The **Transport Layer** is seven-layer [[ddsf:public:guidebook:06_append:glossary:o:osi]] of computer networking, the [[ddsf:public:guidebook:06_append:glossary:p:physicallayer|physical layer]] or layer 1 is the first and lowest layer. The implementation of this layer is often termed PHY. | The **Transport Layer** is seven-layer [[ddsf:public:guidebook:06_append:glossary:o:osi]] of computer networking, the [[ddsf:public:guidebook:06_append:glossary:p:physicallayer|physical layer]] or layer 1 is the first and lowest layer. The implementation of this layer is often termed PHY. | ||
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| The physical layer defines the means of transmitting raw bits rather than logical data packets over a physical link connecting network nodes. The bit stream may be grouped into code words or symbols and converted to a physical signal that is transmitted over a hardware transmission medium. The physical layer provides an electrical, mechanical, and procedural interface to the transmission medium. The shapes and properties of the electrical connectors, the frequencies to broadcast on, the modulation scheme to use and similar low-level parameters, are specified here. | The physical layer defines the means of transmitting raw bits rather than logical data packets over a physical link connecting network nodes. The bit stream may be grouped into code words or symbols and converted to a physical signal that is transmitted over a hardware transmission medium. The physical layer provides an electrical, mechanical, and procedural interface to the transmission medium. The shapes and properties of the electrical connectors, the frequencies to broadcast on, the modulation scheme to use and similar low-level parameters, are specified here. | ||
| - | Within the [[ddsf:private:guidebook:06_append:glossary:s:semantics|semantics]] of the OSI network architecture, the physical layer translates logical communications requests from the [[ddsf:public:guidebook:06_append:glossary:d:datalinklayer]] into hardware-specific operations to affect transmission or reception of electronic signals. | + | Within the [[ddsf:public:guidebook:06_append:glossary:s:semantics|semantics]] of the OSI network architecture, the physical layer translates logical communications requests from the [[ddsf:public:guidebook:06_append:glossary:d:datalinklayer]] into hardware-specific operations to affect transmission or reception of electronic signals. |
| Source: [[https://osi-model.com/physical-layer/ | Transport Layer ]] | Source: [[https://osi-model.com/physical-layer/ | Transport Layer ]] | ||
ddsf/public/guidebook/06_append/glossary/t/transportlayer.1626292406.txt.gz · Last modified: 2021/07/14 15:53 by murphy
