Method and apparatus for measuring performance of multi-service in tunnel
Embodiments of the present invention provide a method for measuring performance of multi-service in a tunnel, including: receiving a measurement message corresponding to a service packet, where a priority of the measurement message is the same as that of the service packet, and the measurement message includes at least one of the three: a packet loss measurement parameter, a delay measurement parameter, and a variation measurement parameter; and measuring performance of a service in a tunnel according to a measurement parameter in the measurement message. According to the embodiments of the present invention, a problem that performance measurement cannot be performed for different services transmitted in a tunnel in the prior art may be solved.
1. A method for measuring performance of multi-service in a tunnel, comprising:
receiving a measurement message corresponding to a service packet, wherein a priority of the measurement message is the same as a priority of the corresponding service packet, the measurement message comprises a measurement parameter, and the measurement parameter comprises at least one of the three: a packet loss measurement parameter, a delay measurement parameter, and a variation measurement parameter, wherein the measurement message is an extended bidirectional forwarding detection (BFD) packet, and the extended BFD packet comprises at least one of: a packet loss measurement TLV and a delay measurement TLV; and
measuring performance of a service in a tunnel according to the measurement parameter in the measurement message;
wherein before receiving the measurement message corresponding to the service packet, the method comprises:
identifying the service packet by using a priority identification field and a tunnel identification field; and
identifying the measurement message corresponding to the service packet by using a priority identification field and a tunnel identification field, wherein the priority identification field and the tunnel identification field of the service packet are the same as those of the corresponding measurement message;
wherein measuring performance of the service in a tunnel according to the measurement message comprises:
identifying, according to a priority identification field and a tunnel identification field of a received packet, a received service packet and an extended BFD packet corresponding to the service packet;
at least one of: calculating a near-end packet loss rate of the service packet through transmitting count in the extended BFD packet and the number of preset-type packets that have been received by a receiving end; and calculating a one-way delay of the service packet through transmitting time in the extended BFD packet, local time when the extended BFD packet is received by the receiving end, and a time difference between a sending end and the receiving end.
2. The method according to claim 1 , wherein receiving the measurement message corresponding to the service packet comprises at least one of:
determining a measurement period of the service packet in the tunnel, and receiving the measurement message corresponding to the service packet in the measurement period; and
receiving the measurement message sent as required corresponding to the service packet.
3. The method according to claim 2 , wherein determining the measurement period of the service packet in the tunnel comprises one of:
receiving acknowledgement information of a negotiation message, wherein the negotiation message is used to negotiate measurement periods for multiple types of service packets simultaneously or used to negotiate a measurement period for one type of service packet, and the negotiation message comprises an extended type-length-value (TLV); and
defining a measurement period of the service packet before sending the measurement packet.
4. The method according to claim 3 , wherein when the negotiation message is used to negotiate the measurement periods for the multiple types of service packets simultaneously, the value field of the extended TLV comprises:
a service identification field for identifying a service, the performance of which is to be measured; and
a measurement period of the service, the performance of which is to be measured.
5. The method according to claim 2 , wherein the measurement period comprises at least one of the three: a packet loss measurement period, a delay measurement period, and a variation measurement period.
6. The method according to claim 1 , wherein the measurement message is an extended bidirectional forwarding detection (BFD) packet, and the extended BFD packet comprises at least one of: a packet loss measurement TLV and a delay measurement TLV.
7. A method for measuring performance of multi-service in a tunnel comprising:
receiving a measurement message corresponding to a service packet, wherein a priority of the measurement message is the same as a priority of the corresponding service packet, the measurement message comprises a measurement parameter, and the measurement parameter comprises at least one of the three: a packet loss measurement parameter, a delay measurement parameter, and a variation measurement parameter; and
measuring performance of a service in a tunnel according to the measurement parameter in the measurement message,
wherein before receiving the measurement message corresponding to the service packet, the method further comprises:
identifying the service packet by using a priority identification field; and
identifying the measurement message corresponding to the service packet by using a priority identification field, wherein the priority identification field of the service packet is the same as that of the corresponding measurement message;
wherein the measurement message is an extended bidirectional forwarding detection (BFD) packet, and the extended BFD packet comprises at least one of: a packet loss measurement TLV and a delay measurement TLV;
wherein measuring performance of the service in a tunnel according to the measurement message comprises:
identifying, according to a priority identification field and a tunnel identification field of a received packet, a received service packet and an extended BFD packet corresponding to the service packet;
calculating a near-end packet loss rate of the service packet through transmitting count in the extended BFD packet and the number of preset-type packets that have been received by a receiving end; and/or
calculating a one-way delay of the service packet through transmitting time in the extended BFD packet, local time when the extended BFD packet is received by the receiving end, and a time difference between a sending end and the receiving end.
8. A method for measuring performance of multi-service in a tunnel, comprising:
receiving a measurement message corresponding to a service packet, wherein a priority of the measurement message is the same as a priority of the corresponding service packet, the measurement message comprises a measurement parameter, and the measurement parameter comprises at least one of the three: a packet loss measurement parameter, a delay measurement parameter, and a variation measurement parameter, wherein the measurement message is an extended bidirectional forwarding detection (BFD) packet, and the extended BFD packet comprises at least one of: a packet loss measurement TLV and a delay measurement TLV; and
measuring performance of a service in a tunnel according to the measurement parameter in the measurement message;
wherein before receiving the measurement message corresponding to the service packet, the method comprises:
identifying the service packet by using a priority identification field and a tunnel identification field; and
identifying the measurement message corresponding to the service packet by using a priority identification field and a tunnel identification field, wherein the priority identification field and the tunnel identification field of the service packet are the same as those of the corresponding measurement message;
wherein measuring performance of a service in a tunnel according to the measurement message comprises:
identifying, according to a priority identification field and a tunnel identification field of a received packet, a received service packet and an extended BFD packet corresponding to the service packet;
calculating a far-end packet loss rate of the service packet through returning count and receiving count that are in the extended BFD packet; and/or
calculating a two-way delay of the service packet through local time when the extended BFD packet is received by a receiving end, and transmitting time, returning time, and receiving time that are in the extended BFD packet.
9. The method according to claim 8 , wherein receiving the measurement message corresponding to the service packet comprises at least one of:
determining a measurement period of the service packet in the tunnel, and receiving the measurement message corresponding to the service packet in the measurement period; and
receiving the measurement message sent as required corresponding to the service packet.
10. The method according to claim 9 , wherein determining the measurement period of the service packet in the tunnel comprises one of:
receiving acknowledgement information of a negotiation message, wherein the negotiation message is used to negotiate measurement periods for multiple types of service packets simultaneously or used to negotiate a measurement period for one type of service packet, and the negotiation message comprises an extended type-length-value (TLV); and
defining a measurement period of the service packet before sending the measurement packet.
11. The method according to claim 10 , wherein when the negotiation message is used to negotiate the measurement periods for the multiple types of service packets simultaneously, the value field of the extended TLV comprises:
a service identification field for identifying a service, the performance of which is to be measured; and
a measurement period of the service, the performance of which is to be measured.
12. The method according to claim 9 , wherein the measurement period comprises at least one of the three: a packet loss measurement period, a delay measurement period, and a variation measurement period.
13. A method for measuring performance of multi-service in a tunnel, comprising:
receiving a measurement message corresponding to a service packet, wherein a priority of the measurement message is the same as a priority of the corresponding service packet, the measurement message comprises a measurement parameter, and the measurement parameter comprises at least one of the three: a packet loss measurement parameter, a delay measurement parameter, and a variation measurement parameter; and
measuring performance of a service in a tunnel according to the measurement parameter in the measurement message,
wherein before receiving the measurement message corresponding to the service packet, the method further comprises:
identifying the service packet by using a priority identification field; and
identifying the measurement message corresponding to the service packet by using a priority identification field, wherein the priority identification field of the service packet is the same as that of the corresponding measurement message;
wherein measuring performance of a service in a tunnel according to the measurement message comprises:
identifying, according to a priority identification field and a tunnel identification field of a received packet, a received service packet and an extended BFD packet corresponding to the service packet;
calculating a far-end packet loss rate of the service packet through returning count and receiving count that are in the extended BFD packet; and/or
calculating a two-way delay of the service packet through local time when the extended BFD packet is received by a receiving end, and transmitting time, returning time, and receiving time that are in the extended BFD packet.