Communication method and apparatus
A method includes receiving quality of service requirement information including packet loss rate indication information. The packet loss rate indication information includes an index value and a reference number of service data packets. The reference number of service data packets indicates a reference measurement number for counting the packet loss rate. The index value includes one or more characters. The index value corresponds to an index item in a database. The index item in the database has a mapping relationship with an acceptable maximum packet loss rate in the database. The acceptable maximum packet loss rate includes two or more characters. A quantity of the one or more characters included in the index value is less than a quantity of the two or more characters included in the acceptable maximum packet loss rate. The method also includes determining quality of service requirement based on the quality of service requirement information.
1. A communication method, comprising:
receiving quality of service requirement information comprising packet loss rate indication information, wherein
the packet loss rate indication information comprises an index value and a reference number of service data packets,
the reference number of service data packets indicates a reference measurement number for counting the packet loss rate,
the index value comprises one or more characters,
the index value corresponds to an index item in a database,
the index item in the database has a mapping relationship with an acceptable maximum packet loss rate in the database,
the acceptable maximum packet loss rate comprises two or more characters,
a quantity of the one or more characters included in the index value is less than a quantity of the two or more characters included in the acceptable maximum packet loss rate; and
determining a quality of service requirement based on the quality of service requirement information.
2. The communication method according to claim 1 , wherein the quality of service requirement information further comprises a delay bound indicating an allowed maximum delay of a traffic stream.
3. The communication method according to claim 2 , wherein the quality of service requirement information further comprises a transmission direction indicating a direction of the traffic stream, and the transmission direction comprises one of uplink, downlink, direct link, or uplink and downlink.
4. The communication method according to claim 1 , wherein the quality of service requirement information further comprises at least one of:
an element identifier identifying an element carrying the quality of service requirement information;
a length indicating a number of bytes occupied by the element;
a traffic identifier bitmap indicating a traffic identifier (TID) corresponding to the element;
a minimum service interval between any two service periods of a traffic stream;
a maximum service interval between any two service periods of the traffic stream;
a service start time indicating start time of a service;
a minimum data rate corresponding to a location of a service access point at a media access control (MAC) layer;
a mean data rate corresponding to a location of the service access point at a MAC layer; or
a burst size indicating a maximum burst size of the traffic stream.
5. The communication method according to claim 1 , wherein the quality of service requirement information further comprises:
a threshold of an average packet loss rate.
6. The communication method according to claim 1 , wherein the quality of service requirement information further comprises one or more of indication information indicating whether a service is a high-reliability service, indicating information indicating a maximum delay jitter of a service, indication information indicating whether to use a backup transmission mode, indication information indicating an expected channel access manner, or indication information indicating whether a restricted service period needs to be established.
7. The communication method according to claim 1 , wherein the acceptable maximum packet loss rate comprises a range of values including a minimum value and a maximum value.
8. The communication method according to claim 1 , wherein the acceptable maximum packet loss rate comprises a percentage.
9. The communication method according to claim 1 , wherein the index value is an integer, the index item is equal to the index value, the database is a table, and the index value is usable by a receiving device to determine the acceptable maximum packet loss rate based on the index value, the index item in the database, the mapping relationship with the acceptable maximum packet loss rate in the database.
10. An apparatus, comprising:
a processor; and
a memory, having instructions stored thereon that, when executed by the processor, cause the apparatus to:
receive quality of service requirement information comprising packet loss rate indication information, wherein
the packet loss rate indication information comprises an index value and a reference number of service data packets,
the reference number of service data packets indicates a reference measurement number for counting the packet loss rate,
the index value comprises one or more characters,
the index value corresponds to an index item in a database,
the index item in the database has a mapping relationship with an acceptable maximum packet loss rate in the database,
the acceptable maximum packet loss rate comprises two or more characters,
a quantity of the one or more characters included in the index value is less than a quantity of the two or more characters included in the acceptable maximum packet loss rate; and
determine a quality of service requirement based on the quality of service requirement information.
11. The apparatus according to claim 10 , wherein the quality of service requirement information further comprises a delay bound indicating an allowed maximum delay of a traffic stream.
12. The apparatus according to claim 11 , wherein the quality of service requirement information further comprises a transmission direction indicating a direction of the traffic stream, and the transmission direction comprises one of uplink, downlink, direct link, or uplink and downlink.
13. The apparatus according to claim 10 , wherein the quality of service requirement information further comprises at least one of:
an element identifier identifying an element carrying the quality of service requirement information;
a length indicating a number of bytes occupied by the element;
a traffic identifier bitmap indicating a traffic identifier (TID) corresponding to the element;
a minimum service interval between any two service periods of a traffic stream;
a maximum service interval between any two service periods of the traffic stream;
a service start time indicating start time of a service;
a minimum data rate corresponding to a location of a service access point at a media access control (MAC) layer;
a mean data rate corresponding to a location of the service access point at a MAC layer; or
a burst size indicating a maximum burst size of the traffic stream.
14. The apparatus according to claim 10 , wherein the quality of service requirement information further comprises:
a threshold of an average packet loss rate.
15. The apparatus according to claim 10 , wherein the quality of service requirement information further comprises one or more of indication information indicating whether a service is a high-reliability service, indicating information indicating a maximum delay jitter of a service, indication information indicating whether to use a backup transmission mode, indication information indicating an expected channel access manner, or indication information indicating whether a restricted service period needs to be established.
16. The apparatus according to claim 10 , wherein the acceptable maximum packet loss rate comprises a range of values including a minimum value and a maximum value.
17. The apparatus according to claim 10 , wherein the acceptable maximum packet loss rate comprises a percentage.
18. The apparatus according to claim 10 , wherein the index value is an integer, the index item is equal to the index value, the database is a table, and the index value is usable by a receiving device to determine the acceptable maximum packet loss rate based on the index value, the index item in the database, the mapping relationship with the acceptable maximum packet loss rate in the database.
19. A non-transitory computer-readable storage medium, storing computer instructions, which when executed by a processor, cause an apparatus comprising the processor to:
receive quality of service requirement information comprising packet loss rate indication information, wherein
the packet loss rate indication information comprises an index value and a reference number of service data packets,
the reference number of service data packets indicates a reference measurement number for counting the packet loss rate,
the index value comprises one or more characters,
the index value which corresponds to an index item in a database,
the index item in the database has a mapping relationship with an acceptable maximum packet loss rate in the database,
the acceptable maximum packet loss rate comprises two or more characters,
a quantity of the one or more characters included in the index value is less than a quantity of the two or more characters included in the acceptable maximum packet loss rate; and
determine a quality of service requirement based on the quality of service requirement information.
20. The non-transitory computer-readable storage medium of claim 19 , wherein the quality of service requirement information further comprises a delay bound indicating an allowed maximum delay of a traffic stream.