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| ====== Internet Quality of Service (Internet QoS) ====== | ====== Internet Quality of Service (Internet QoS) ====== |
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| [[private:99_annexes:annex-b-terms-and-definitions:start|Go up to Terms and Definitions]] | [[public:99_annexes:annex-b-terms-and-definitions:start|Go up to Terms and Definitions]] |
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| ===== Discussion ===== | ===== Discussion ===== |
| Internet QoS is distinct from [[private:99_annexes:annex-b-terms-and-definitions:d:dds_qos|DDS Quality of Service (DDS QoS)]]. Internet QoS concerns characteristics of network communication and packet delivery. DDS QoS concerns middleware policies governing data distribution behavior among DDS entities. | Internet QoS is distinct from [[private:99_annexes:annex-b-terms-and-definitions:d:dds_qos|DDS Quality of Service (DDS QoS)]]. Internet QoS concerns characteristics of network communication and packet delivery. DDS QoS concerns middleware policies governing data distribution behavior among DDS entities. |
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| Internet QoS may involve [[private:99_annexes:annex-b-terms-and-definitions:c:communication_characteristic|Communication Characteristics]] such as [[private:99_annexes:annex-b-terms-and-definitions:l:latency|Latency]], packet loss, delay variation, throughput, or other characteristics of network service when those characteristics are relevant to the governing architecture, Configuration, or Test Definition. | Internet QoS may involve [[public:99_annexes:annex-b-terms-and-definitions:c:communication_characteristic|Communication Characteristics]] such as [[public:99_annexes:annex-b-terms-and-definitions:l:latency|Latency]], packet loss, delay variation, throughput, or other characteristics of network service when those characteristics are relevant to the governing architecture, Configuration, or Test Definition. |
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| The term does not imply that every Internet QoS mechanism controls or guarantees every communication characteristic. Different networks, protocols, implementations, and administrative domains may provide different forms and levels of Quality of Service. | The term does not imply that every Internet QoS mechanism controls or guarantees every communication characteristic. Different networks, protocols, implementations, and administrative domains may provide different forms and levels of Quality of Service. |
| Do not use Internet QoS as a synonym for [[private:99_annexes:annex-b-terms-and-definitions:d:dds_qos|DDS Quality of Service (DDS QoS)]]. DDS QoS operates at the data-distribution middleware layer and may interact with, but does not replace, Internet QoS. | Do not use Internet QoS as a synonym for [[private:99_annexes:annex-b-terms-and-definitions:d:dds_qos|DDS Quality of Service (DDS QoS)]]. DDS QoS operates at the data-distribution middleware layer and may interact with, but does not replace, Internet QoS. |
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| Specific Internet QoS characteristics become normative only when identified by an applicable requirement, [[private:99_annexes:annex-b-terms-and-definitions:c:configuration|Configuration]], or [[private:99_annexes:annex-b-terms-and-definitions:t:test_definition|Test Definition]]. | Specific Internet QoS characteristics become normative only when identified by an applicable requirement, [[public:99_annexes:annex-b-terms-and-definitions:c:configuration|Configuration]], or [[public:99_annexes:annex-b-terms-and-definitions:t:test_definition|Test Definition]]. |
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| ===== Example ===== | ===== Example ===== |