CN105634856B - Method and device for determining service performance parameters - Google Patents
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Abstract
The invention provides a method and a device for determining service performance parameters, wherein the method comprises the following steps: acquiring a configuration relation among a plurality of pseudo wires in a PTN, wherein the pseudo wires correspond to services in the PTN; and determining the performance parameters of the services corresponding to the pseudo wires according to the configuration relationship. By adopting the technical scheme provided by the invention, the problem that no effective technical scheme in the related technology can really, accurately and real-timely calculate the performance parameters of the end-to-end service is solved, and the performance parameters related to the end-to-end service can be accurately determined in real time.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method and an apparatus for determining a service performance parameter.
Background
Packet Transport Network (PTN) refers to a Network of such an optical Transport Network architecture and specific technologies: a layer is arranged between an IP service and a bottom layer optical transmission medium, the optical transmission medium is designed aiming at the burstiness of packet service flow and the requirement of statistical multiplexing transmission, the packet service is taken as a core and provided with multiple services, the optical transmission medium has lower Total Cost of Ownership (TCO for short), and simultaneously takes the traditional advantages of optical transmission, including high availability and reliability, efficient bandwidth management mechanism and flow engineering, convenient Operation, management and Maintenance (OAM for short), network management, expandability, higher safety and the like.
The PTN supports a plurality of bidirectional point-to-point connecting channels based on packet switching services, has the networking capability suitable for various coarse and fine particle services and end-to-end, and provides a flexible transmission pipeline more suitable for service characteristics; the protection switching of the point-to-point connection channel can be completed within 50 milliseconds, and the service protection and recovery of the transmission level can be realized; the method inherits an operation, management and maintenance mechanism of a Synchronous Digital Hierarchy (SDH) technology, has complete OAM of point-to-point connection, and ensures that the network has protection switching, error detection and channel monitoring capabilities; interconnection and intercommunication with multiple modes of IP/Multi-Protocol Label Switching (MPLS for short) are completed, and core IP services are seamlessly borne; the network management system can control the establishment and the setting of the connection channel, realize the differentiation and the guarantee of the quality of Service (QoS for short), and flexibly provide the advantages of the Service level agreement (SLA for short). In addition, it can utilize various underlying Transport channels (such as SDH)/Ethernet/Optical Transport networks (OTN for short). In a word, the method has a perfect OAM mechanism, accurate fault location and a strict service isolation function, manages and utilizes optical fiber resources to the maximum extent, ensures service safety, and can realize automatic configuration of resources and high survivability of a mesh network after being combined with GMPLS.
By combining the characteristics, the service on the PTN network can be configured in a complex way and has more flexibility, and a plurality of services can be configured under the port, so that the whole network is fully utilized. How to calculate the performance parameters of the end-to-end service faithfully, accurately and in real time so as to analyze the operation condition of the service, related technical solutions have not been proposed yet in the related art.
Aiming at the problem that no effective technical scheme can realize the real, accurate and real-time calculation of the performance parameters of the end-to-end service in the related technology, an effective solution is not provided.
Disclosure of Invention
In order to solve the technical problem, the invention provides a method and a device for determining service performance parameters.
According to an aspect of the present invention, a method for determining service performance parameters is provided, where the method includes: acquiring a configuration relation among a plurality of pseudo wires in a Packet Transport Network (PTN), wherein the pseudo wires correspond to services in the PTN;
and determining the performance parameters of the services corresponding to the pseudo wires according to the configuration relationship.
Preferably, the configuration relationship among the plurality of dummy lines includes at least one of: the multiple pseudo wires are mutually independent and have no protection relation; the plurality of pseudo wires are in a configuration relation of work and protection; the multiple pseudo wires are in a configuration relation of working, protection and double-node interconnection DNI; and the plurality of pseudo wires are in a configuration relationship of working, protection, DNI and multiplex section protection MSP.
Preferably, the performance parameters include at least one of: bandwidth, traffic, delay, jitter.
Preferably, when the configuration relationship is that the plurality of pseudo wires are independent from each other and have no protection relationship, the performance parameter is determined according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2Is the value corresponding to the flow rate,
for the bandwidth value corresponding to the jth pseudowire,
the flow value corresponding to the jth pseudo wire;
wherein i is 3,4, B3Is the value corresponding to said time delay, B4Is the value to which the jitter corresponds,
for the delay value corresponding to the jth pseudowire,
and j is the jitter corresponding to the j-th pseudo wire, wherein j is 1,2 … … n, and n is the number of the pseudo wires.
Preferably, when the configuration relationship is a working and protection configuration relationship, the performance parameter is determined according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2Is the value corresponding to the flow rate,
for the bandwidth value corresponding to the jth working pseudowire,
for the flow value corresponding to the jth working pseudo-line,
for the bandwidth value corresponding to the jth protection pseudowire,
the flow value corresponding to the jth protection pseudo wire;
wherein i is 3,4, B3Is the value corresponding to said time delay, B4Is the value to which the jitter corresponds,
for the delay value corresponding to the jth working pseudowire,
for the jitter corresponding to the jth working pseudowire,
for the delay value corresponding to the jth protected pseudowire,
and j is the number of the plurality of pseudo wires for the jitter corresponding to the j-th protection pseudo wire, wherein j is 1,2 … … n.
Preferably, when it is usedWhen the configuration relationship is the configuration relationship of the working, protection and DNI, determining the performance parameters according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2Is the value corresponding to the flow rate,
for the bandwidth value corresponding to the jth working pseudowire,
for the flow value corresponding to the jth working pseudo-line,
for the bandwidth value corresponding to the jth protection pseudowire,
for the traffic value corresponding to the jth protection pseudowire,
for the bandwidth value corresponding to the jth DNI,
the flow value corresponding to the j-th DNI;
wherein i is 3, B3Is the value to which the time delay corresponds,
for the delay value corresponding to the jth working pseudowire,
for the delay value corresponding to the jth protected pseudowire,
the corresponding time delay value of the j-th DNI;
wherein i is 4, B4Is the value to which the jitter corresponds,
for the jitter corresponding to the jth working pseudowire,
for the jitter corresponding to the jth protection pseudowire,
and j is the jitter corresponding to the j-th DNI, and j is 1,2 … … n, n is the number of the pseudo wires.
Preferably, when the configuration relationship is that of the working, protection, DNI and MSP, the performance parameter is determined according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2The value corresponding to the flow is a bandwidth value corresponding to the jth working pseudo wire, a flow value corresponding to the jth working pseudo wire, a bandwidth value corresponding to the jth protection pseudo wire, a flow value corresponding to the jth protection pseudo wire, a bandwidth value corresponding to the jth DNI, a flow value corresponding to the jth DNI, a bandwidth value corresponding to the jth MSP, and a flow value corresponding to the jth MSP;
wherein i is 3, B3The value corresponding to the time delay is a time delay value corresponding to the jth working pseudo wire, a time delay value corresponding to the jth protection pseudo wire, a time delay value corresponding to the jth DNI and a time delay value corresponding to the jth MSP;
wherein i is 4, B4And the value corresponding to the jitter is the jitter corresponding to the jth working pseudo wire, the jitter corresponding to the jth protection pseudo wire, the jitter corresponding to the jth DNI and the jitter corresponding to the jth MSP, wherein j is 1,2 … … n, and the number of the plurality of pseudo wires.
According to another aspect of the present invention, there is also provided an apparatus for determining service performance parameters, the apparatus including: an obtaining module, configured to obtain a configuration relationship between a plurality of pseudowires in a packet transport network PTN, where the plurality of pseudowires correspond to a service in the PTN; and the determining module is used for determining the performance parameters of the services corresponding to the pseudo wires according to the configuration relationship.
Preferably, the configuration relationship among the plurality of pseudo wires acquired by the acquiring module includes at least one of: the multiple pseudo wires are mutually independent and have no protection relation; the plurality of pseudo wires are in a configuration relation of work and protection; the multiple pseudo wires are in a configuration relation of working, protection and Double Node Interconnection (DNI); the multiple pseudo wires are in a configuration relationship of working, protection, DNI and Multiplex section protection (MSP for short).
Preferably, the performance parameters determined by the determination module include at least one of: bandwidth, traffic, delay, jitter.
Preferably, the determining module is configured to determine the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2Is the value corresponding to the flow rate,
bandwidth value corresponding to the jth pseudo wire，
The flow value corresponding to the jth pseudo wire;
wherein i is 3,4, B3Is the value corresponding to said time delay, B4Is the value to which the jitter corresponds,
for the delay value corresponding to the jth pseudowire,
and j is the jitter corresponding to the j-th pseudo wire, wherein j is 1,2 … … n, and n is the number of the pseudo wires.
Preferably, the determining module is configured to determine the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2Is the value corresponding to the flow rate,
for the bandwidth value corresponding to the jth working pseudowire,
for the flow value corresponding to the jth working pseudo-line,
for the bandwidth value corresponding to the jth protection pseudowire,
the flow value corresponding to the jth protection pseudo wire;
wherein i is 3,4, B3Is the value corresponding to said time delay, B4Is the value to which the jitter corresponds,
for the delay value corresponding to the jth working pseudowire,
for the jitter corresponding to the jth working pseudowire,
for the delay value corresponding to the jth protected pseudowire,
and j is the number of the plurality of pseudo wires for the jitter corresponding to the j-th protection pseudo wire, wherein j is 1,2 … … n.
Preferably, the determining module is configured to determine the performance parameter according to the following formula: wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2The value corresponding to the flow is the bandwidth value corresponding to the jth working pseudo wire, the flow value corresponding to the jth working pseudo wire, the bandwidth value corresponding to the jth protection pseudo wire, the flow value corresponding to the jth protection pseudo wire, the bandwidth value corresponding to the jth DNI, and the flow value corresponding to the jth DNI;
wherein i is 3, B3The value corresponding to the time delay is a time delay value corresponding to the jth working pseudo wire, a time delay value corresponding to the jth protection pseudo wire and a time delay value corresponding to the jth DNI;
wherein i is 4, B4And j is the jitter corresponding to the jitter, the jitter corresponding to the jth working pseudo wire, the jitter corresponding to the jth protection pseudo wire and the jitter corresponding to the jth DNI, wherein j is 1,2 … … n, and n is the number of the pseudo wires.
Preferably, the determining module is configured to determine the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2The value corresponding to the flow is a bandwidth value corresponding to the jth working pseudo wire, a flow value corresponding to the jth working pseudo wire, a bandwidth value corresponding to the jth protection pseudo wire, a flow value corresponding to the jth protection pseudo wire, a bandwidth value corresponding to the jth DNI, a flow value corresponding to the jth DNI, a bandwidth value corresponding to the jth MSP, and a flow value corresponding to the jth MSP;
wherein i is 3, B3The value corresponding to the time delay is a time delay value corresponding to the jth working pseudo wire, a time delay value corresponding to the jth protection pseudo wire, a time delay value corresponding to the jth DNI and a time delay value corresponding to the jth MSP;
wherein i is 4, B4And the value corresponding to the jitter is the jitter corresponding to the jth working pseudo wire, the jitter corresponding to the jth protection pseudo wire, the jitter corresponding to the jth DNI and the jitter corresponding to the jth MSP, wherein j is 1,2 … … n, and the number of the plurality of pseudo wires.
By adopting the technical means for determining the performance parameters of the services corresponding to the pseudo wires according to the configuration relationship among the pseudo wires in the current PTN network, the invention solves the problem that no effective technical scheme can really, accurately and real-timely calculate the performance parameters of the end-to-end service in the related technology, and can accurately determine the performance parameters related to the end-to-end service in real time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a method for determining service performance parameters according to an embodiment of the present invention;
fig. 2 is a block diagram of a service performance parameter determining apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the relationship of ports, tunnels, and pseudowires in accordance with a preferred embodiment of the present invention;
FIG. 4 is a diagram of a pseudowire protection group according to a preferred embodiment of the present invention;
FIG. 5 is a diagram of pseudowire protection group two in accordance with the preferred embodiment of the present invention;
fig. 6 is a diagram of pseudowire protection group three in accordance with a preferred embodiment of the present invention;
fig. 7 is a fourth schematic diagram of a pseudowire protection group according to a preferred embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In this embodiment, a method for determining a service performance parameter is provided, and fig. 1 is a flowchart of a method for determining a service performance parameter according to an embodiment of the present invention, as shown in fig. 1, the flowchart includes the following steps:
step S102, obtaining a configuration relation among a plurality of pseudo wires in a PTN, wherein the pseudo wires correspond to services in the PTN;
step S104, determining the performance parameters of the service corresponding to the pseudo wires according to the configuration relationship.
Through the steps, a technical means for determining the performance parameters of the services corresponding to the pseudo wires according to the configuration relationship among the pseudo wires in the current PTN network is provided, and the problem that the performance parameters of the end-to-end services are calculated accurately and in real time in the related technology is solved.
Optionally, the configuration relationship among the plurality of dummy lines involved in step S102 includes at least one of: 1) the multiple pseudo wires are independent from each other and have no protection relationship (as shown in FIG. 4); 2) the plurality of pseudo wires are in a working and protecting configuration relationship (as shown in FIG. 5); 3) the configuration relationship among a plurality of pseudo wires is work, protection and double-node interconnection DNI (shown in FIG. 6); 4) the configuration relationship of working, protection, DNI and multiplex section protection MSP is arranged among the plurality of pseudo wires (as shown in FIG. 7).
Because the services in the PTN network are all carried by the pseudo wires, and sometimes the pseudo wires are configured redundantly for the transmission reliability, a plurality of pseudo wires exist under one end-to-end service, some pseudo wires are working properties, and some pseudo wires are protection properties, and become a pseudo wire protection group, the calculation of the performance parameters of the end-to-end service is carried out according to the real-time flow data and quality data of the pseudo wires and the configuration relationship between the pseudo wires and the services.
The performance parameters in step S104 include at least one of: bandwidth, traffic, delay, jitter, and performance parameters of the service may further include: the jitter may be understood as including the near-end packet loss number, the far-end packet loss number, the near-end packet loss rate, the far-end packet loss rate, and the far-end packet loss rate, which is not limited in the embodiments of the present invention.
Based on the four configuration relationships provided in the above embodiment, the step S104 may have a plurality of implementation manners, and in the embodiment of the present invention, the following technical solutions are provided:
first case
When the configuration relationship is that a plurality of pseudo wires are mutually independent and have no protection relationship, determining the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the above bandwidth, B2Is a value corresponding to the above-mentioned flow rate,
for the bandwidth value corresponding to the jth pseudowire,
the flow value corresponding to the jth pseudo wire;
wherein i is 3,4, B3Is a value corresponding to the above time delay, B4Is a value corresponding to the above-mentioned jitter,
for the delay value corresponding to the jth pseudowire,
j is 1,2 … … n, n is the number of the above-mentioned multiple pseudo wires.
Second case
When the configuration relationship is the configuration relationship of working and protection, the performance parameter is determined according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the above bandwidth, B2Is a value corresponding to the above-mentioned flow rate,
for the bandwidth value corresponding to the jth working pseudowire,
for the flow value corresponding to the jth working pseudo-line,
for the bandwidth value corresponding to the jth protection pseudowire,
the flow value corresponding to the jth protection pseudo wire;
wherein i is 3,4, B3Is a value corresponding to the above time delay, B4Is a value corresponding to the above-mentioned jitter,
for the delay value corresponding to the jth working pseudowire,
is the jth stripThe jitter to which the working pseudo-wire corresponds,
for the delay value corresponding to the jth protected pseudowire,
and j is 1,2 … … n, n is the number of the pseudo wires for the jitter corresponding to the j-th protection pseudo wire.
It should be noted that, in the second case provided in the embodiment of the present invention, when the multiple pseudowires are in a configuration relationship between working and protection, the two cases of dual-sending (both the protection pseudowire and the working pseudowire are used for carrying a service) and single-sending (one of the working pseudowire and the protection pseudowire is used for carrying a service) are further included, and in single-sending and dual-sending, the technical scheme for determining the performance parameter of the service is the same as the formula listed in the second case.
Third case
When the configuration relationship is the configuration relationship of working, protection and DNI, determining the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the above bandwidth, B2Is a value corresponding to the above-mentioned flow rate,
for the bandwidth value corresponding to the jth working pseudowire,
for the flow value corresponding to the jth working pseudo-line,
for the bandwidth value corresponding to the jth protection pseudowire,
for the traffic value corresponding to the jth protection pseudowire,
for the bandwidth value corresponding to the jth DNI,
the flow value corresponding to the j-th DNI;
wherein i is 3, B3Is the value corresponding to the above-mentioned time delay,
for the delay value corresponding to the jth working pseudowire,
for the delay value corresponding to the jth DNI,
a time delay value corresponding to the jth protection pseudo wire;
wherein i is 4, B4Is a value corresponding to the above-mentioned jitter,
for the jitter corresponding to the jth working pseudowire,
for the jitter corresponding to the jth protection pseudowire,
j is 1,2 … … n, n is the number of the above-mentioned multiple pseudo wires for the jitter corresponding to the j-th DNI.
It should be noted that, the above formula for calculating the time delay is:
the time delay between a plurality of pseudowire protection groups can be understood, but when only one protection group exists, calculation can be performed by taking a formula into consideration, and the embodiment of the invention does not limit the time delay.
Fourth case
When the configuration relationship is the configuration relationship of the working, protection, DNI and MSP, determining the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the above bandwidth, B2The value corresponding to the flow is a bandwidth value corresponding to a jth working pseudo wire, a flow value corresponding to a jth working pseudo wire, a bandwidth value corresponding to a jth protection pseudo wire, a flow value corresponding to a jth protection pseudo wire, a bandwidth value corresponding to a jth DNI, a flow value corresponding to a jth DNI, a bandwidth value corresponding to a jth MSP, and a flow value corresponding to a jth MSP;
wherein i is 3, B3The value corresponding to the time delay is a time delay value corresponding to the jth working pseudo wire, a time delay value corresponding to the jth protection pseudo wire, a time delay value corresponding to the jth DNI and a time delay value corresponding to the jth MSP;
wherein i is 4, B4And the value corresponding to the jitter is the jitter corresponding to the jth working pseudo wire, the jitter corresponding to the jth protection pseudo wire, the jitter corresponding to the jth DNI and the jitter corresponding to the jth MSP, wherein j is 1,2 … … n, n is the number of the pseudo wires.
It should be noted that, the above formula for calculating the time delay is:
can be understood as the time delay among a plurality of pseudowire protection groups, but when only one protection group exists, the time delay can be considered to pass through
The formula is used for calculation, and the embodiment of the invention does not limit the formula.
That is, the calculation of the end-to-end service performance parameter in the above embodiment may be represented by the following process:
1. firstly, calculating the flow data and quality performance data of an end-to-end pseudo wire according to the performance data of the pseudo wire;
2. calculating the flow data and quality performance data of the independent pseudowires and the pseudowire protection groups according to the formula provided in the embodiment according to the relation between the end-to-end pseudowires and the relation between the pseudowires and the protection groups;
3. calculating the flow data and quality performance data of the end-to-end service according to the relation between the independent pseudo wire, the pseudo wire protection group and the end-to-end service and the formula provided in the embodiment;
4. and outputting the performance data of the end-to-end service, and completing calculation.
For other performance parameters: the determining process of the guaranteed bandwidth and the peak bandwidth is the same as the process of the bandwidth provided in the above embodiment, the determining process of the received traffic, the sent traffic and the total traffic is the same as the determining process of the determined traffic, the one-way delay, the two-way delay, the one-way variation delay and the two-way variation delay provided in the above embodiment, and the determining process of the near-end packet loss number, the far-end packet loss number, the near-end packet loss rate and the far-end packet loss rate is the same as the determining process of the jitter rate provided in the above embodiment.
In the embodiment of the method for determining the service performance parameter, the following technical solutions may be roughly summarized:
and step A, firstly determining the configuration scene of the end-to-end service, and dividing the calculation mode according to the scene. There may be multiple pseudowires below an end-to-end service, and there are relationships between pseudowires that protect each other, so the scenario can be divided into three cases:
scenario a, no protection between pseudowires independently, this label being N (corresponding to the first case mentioned in the above embodiments);
scene b, there is a protection relationship of W (work)/P (protection) between pseudowires, there are one or more W/P protection groups, and there may be a relationship of 1+1 (dual-transmission) or 1: 1 (single shot) backup relationship (corresponding to the second case mentioned in the above embodiment);
the scene c and the pseudo wires are in W/P/DNI protection relation, one or more W/P/DNIs exist, and the W/P/DNIs can be 1+1 (double-launch) or 1: 1 (single shot) backup relationship (corresponding to the third case of the above-described embodiment);
the scene d and the pseudo wires are in W/P/DNI/MSP protection relation, one or more W/P/DNI/MSPs are arranged, and the W/P/DNI/MSPs can be 1+1 (double-launch) or 1: 1 (single shot) backup relationship (corresponding to the fourth case of the above embodiment);
and B, determining different end-to-end service calculation formulas according to different scenes. The specific calculation formula is as follows (the calculation formula for scenario C is shown in the third case of the above embodiment, and is not described here again):
the calculation formula for scenario a is shown in the following table one:
watch 1
| Index (I) | Bandwidth of | Flow rate | Dithering | Time delay |
| Formula (II) | sum(N) | sum(N) | max(N) | max(N) |
It should be noted that sum (n) in table i indicates the sum of multiple pseudo wires in the corresponding index, which is specifically the first case provided in the foregoing embodiment, and the embodiment of the present invention is not described herein again.
The calculation formula for scenario b is shown in table two below:
watch two
The calculation formula for scene d is shown in table three below:
watch III
Step C, calculating the flow performance and quality performance of the pseudo wire or the pseudo wire protection group according to a formula, wherein the calculation formula of parameters such as guaranteed bandwidth, peak bandwidth and the like is similar to a bandwidth formula; receiving flow, sending flow, total flow and other parameter reference flow formulas; unidirectional delay, bidirectional delay and isoparametric reference delay formulas; the parameters such as the near-end packet loss number, the far-end packet loss number, the near-end packet loss rate, the far-end packet loss rate and the like refer to the jitter formula.
D, according to the pseudo wire protection group and the pseudo wire performance and the end-to-end service of the pseudo wire protection group and the pseudo wire performance, counting the flow and quality performance of the end-to-end service to obtain final performance data;
the technical scheme provided by the embodiment of the invention can accurately calculate the performance data and the flow data of the end-to-end service by utilizing the performance flow of the pseudo wires bearing the service and the relations among the pseudo wires and between the pseudo wires and the service through a method for calculating the performance parameters of the end-to-end service in the PTN network.
In this embodiment, a device for determining service performance parameters is further provided, which is used to implement the foregoing embodiments and preferred embodiments, and details of the foregoing description are omitted, and a description is provided below for modules involved in the device. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated. Fig. 2 is a block diagram of a service performance parameter determining apparatus according to an embodiment of the present invention. As shown in fig. 2, the apparatus includes:
an obtaining module 20, configured to obtain a configuration relationship between a plurality of pseudo wires in a PTN, where the pseudo wires correspond to services in the PTN;
and a determining module 22, connected to the obtaining module 20, configured to determine performance parameters of the services corresponding to the pseudowires according to the configuration relationship.
Through the comprehensive action of the modules, a technical means for determining the performance parameters of the services corresponding to the pseudo wires according to the configuration relationship among the pseudo wires in the current PTN network is provided, the problem that the performance parameters of the end-to-end services are calculated accurately and in real time in the related technology is solved, and the performance parameters related to the end-to-end services corresponding to the pseudo wires can be determined accurately and in real time by adopting the technical scheme provided by the embodiment.
Optionally, the configuration relationship among the plurality of dummy lines acquired by the acquiring module 20 includes at least one of: 1) the multiple pseudo wires are mutually independent and have no protection relation; 2) the plurality of pseudo wires are in a configuration relation of work and protection; 3) the multiple pseudo wires are in a configuration relation of working, protection and double-node interconnection DNI; 4) the multiple pseudo wires are in a configuration relation of working, protection, DNI and multiplex section protection MSP; the performance parameters determined by the determination module 22 include at least one of: bandwidth, traffic, delay, jitter.
In order to implement the functions to be performed by the determining module 22, the determining module 22 is further configured to determine the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the above bandwidth, B2Is a value corresponding to the above-mentioned flow rate,
for the bandwidth value corresponding to the jth pseudowire,
the flow value corresponding to the jth pseudo wire;
wherein i is 3,4, B3Is a value corresponding to the above time delay, B4Is a value corresponding to the above-mentioned jitter,
for the delay value corresponding to the jth pseudowire,
the jitter corresponding to the jth pseudo wire is 1,2 … … n, the number of the above pseudo wires; and when the configuration relationship is the configuration relationship of working and protection, determining the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the above bandwidth, B2Is a value corresponding to the above-mentioned flow rate,
for the bandwidth value corresponding to the jth working pseudowire,
for the flow value corresponding to the jth working pseudo-line,
for the bandwidth value corresponding to the jth protection pseudowire,
the flow value corresponding to the jth protection pseudo wire;
wherein i is 3,4, B3Is a value corresponding to the above time delay, B4Is a value corresponding to the above-mentioned jitter,
for the delay value corresponding to the jth working pseudowire,
for the jitter corresponding to the jth working pseudowire,
for the delay value corresponding to the jth protected pseudowire,
and j is 1,2 … … n, n is the number of the pseudo wires for the jitter corresponding to the j-th protection pseudo wire.
It should be noted that, in the second case provided in the embodiment of the present invention, when the multiple pseudowires are in a configuration relationship between working and protection, the two cases of dual-sending (both the protection pseudowire and the working pseudowire are used for carrying a service) and single-sending (one of the working pseudowire and the protection pseudowire is used for carrying a service) are further included, and in single-sending and dual-sending, the technical scheme for determining the performance parameter of the service is the same as the formula listed in the second case.
The determining module 22 is further configured to determine the performance parameter according to the following formula when the configuration relationship is a configuration relationship of working, protection and DNI:
wherein i is 1,2, B1Is a value corresponding to the above bandwidth, B2Is a value corresponding to the above-mentioned flow rate,
for the bandwidth value corresponding to the jth working pseudowire,
for the flow value corresponding to the jth working pseudo-line,
for the bandwidth value corresponding to the jth protection pseudowire,
for the traffic value corresponding to the jth protection pseudowire,
for the bandwidth value corresponding to the jth DNI,
the flow value corresponding to the j-th DNI;
wherein i is 3, B3Is the value corresponding to the above-mentioned time delay,
for the delay value corresponding to the jth working pseudowire,
for the delay value corresponding to the jth protected pseudowire,
the corresponding time delay value of the j-th DNI; (ii) a
Wherein i is 4, B4Is a value corresponding to the above-mentioned jitter,
for the jitter corresponding to the jth working pseudowire,
for the jitter corresponding to the jth protection pseudowire,
j is 1,2 … … n, n is the number of the above-mentioned multiple pseudo wires for the jitter corresponding to the j-th DNI.
It should be noted that, the above formula for calculating the time delay is:
the time delay between a plurality of pseudowire protection groups can be understood, but when only one protection group exists, calculation can be performed by taking a formula into consideration, and the embodiment of the invention does not limit the time delay.
The determining module 22 is further configured to determine the performance parameter according to the following formula when the configuration relationship is the configuration relationship of the working, protection, DNI, and MSP:
wherein i is 1,2, B1Is a value corresponding to the above bandwidth, B2The value corresponding to the flow is the bandwidth value corresponding to the jth working pseudo wire, the flow value corresponding to the jth working pseudo wire and the protection pseudo wireThe bandwidth value corresponding to the line is the bandwidth value corresponding to the jth protection pseudo wire, the flow value corresponding to the jth protection pseudo wire, the bandwidth value corresponding to the jth DNI, the flow value corresponding to the jth DNI, the bandwidth value corresponding to the jth MSP and the flow value corresponding to the jth MSP;
wherein i is 3, B3The value corresponding to the time delay is a time delay value corresponding to the jth working pseudo wire, a time delay value corresponding to the jth protection pseudo wire, a time delay value corresponding to the jth DNI and a time delay value corresponding to the jth MSP;
wherein i is 4, B4And the value corresponding to the jitter is the jitter corresponding to the jth working pseudo wire, the jitter corresponding to the jth protection pseudo wire, the jitter corresponding to the jth DNI and the jitter corresponding to the jth MSP, wherein j is 1,2 … … n, n is the number of the pseudo wires.
It should be noted that, the above formula for calculating the time delay is:
it can be understood as the time delay between a plurality of pseudowire protection groups, but when only one protection group exists, the time delay can be considered to pass through
The formula is used for calculation, and the embodiment of the invention does not limit the formula.
In order to better understand the determination process of the performance parameters of the service, the following describes the above technical solution with reference to the preferred embodiment and fig. 3 to 4:
fig. 3 is a schematic diagram of a relationship among ports, tunnels, and pseudowires according to a preferred embodiment of the present invention, as shown in fig. 3, one tunnel may be provided below one port, a plurality of end-to-end pseudowires may be configured below one tunnel, and each pseudowire may carry one service (which may be the same service or different services), because a plurality of services may be configured below one port, data such as traffic flow seen from a port is definitely inaccurate, and real traffic data of an end-to-end service and the like need to be calculated through the pseudowires and the relationship between the pseudowires and the services.
But pseudowires and pseudowires, the configuration relationship of pseudowires and services is complex. As shown in fig. 4 to 7, there are several cases of pseudowires and pseudowire relationships:
1. independent pseudowires without any dependency;
2. the working pseudo wire W and the protection pseudo wire P form a pseudo wire protection group, the W is normally used for carrying out service data transmission, and the P is used when a problem occurs;
3. the relation between a working pseudowire W and a protection pseudowire P, DNI, wherein a pseudowire (PW for short) from a service access point is simultaneously configured on two different pieces of ground Equipment CE (one is P and the other is W), and DNI PW protection is started between two pieces of Customer Equipment (CE for short);
4. the relation of working pseudowire W, protection pseudowire P, DNI and MSP, and the relation of W, P and DNI refer to 3, and an MPSPW is added to form ring protection.
The technical scheme of the embodiment of the invention achieves the following technical effects: the problem that the technical scheme is not provided in the related technology that the performance parameters of the end-to-end service are calculated faithfully, accurately and in real time is solved, and the technical scheme provided by the embodiment can accurately determine the performance parameters related to the end-to-end service corresponding to a plurality of pseudo wires in real time.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, an optical disk), and includes several instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.
In another embodiment, a software is provided, which is used to execute the technical solutions described in the above embodiments and preferred embodiments.
In another embodiment, a storage medium is provided, in which the software is stored, and the storage medium includes but is not limited to: optical disks, floppy disks, hard disks, erasable memory, etc.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In summary, the embodiments of the present invention achieve the following technical effects: the problem that the technical scheme is not provided in the related technology that the performance parameters of the end-to-end service are calculated faithfully, accurately and in real time is solved, and the technical scheme provided by the embodiment can accurately determine the performance parameters related to the end-to-end service corresponding to a plurality of pseudo wires in real time.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A method for determining service performance parameters, the method comprising:
acquiring a configuration relation among a plurality of pseudo wires in a Packet Transport Network (PTN), wherein the pseudo wires correspond to services in the PTN;
determining performance parameters of the service corresponding to the pseudo wires according to the configuration relation;
the configuration relationship among the plurality of pseudo wires comprises at least one of the following:
the multiple pseudo wires are mutually independent and have no protection relation;
the plurality of pseudo wires are in a configuration relation of work and protection;
the multiple pseudo wires are in a configuration relation of working, protection and double-node interconnection DNI;
the plurality of pseudo wires are in a configuration relation of working, protection, DNI and multiplex section protection MSP;
the performance parameters include at least one of: bandwidth, traffic, delay, jitter;
when the configuration relationship is that the plurality of pseudo wires are mutually independent and have no protection relationship, determining the performance parameter according to the following formula:
when the configuration relationship is the configuration relationship of working and protection, determining the performance parameter according to the following formula:
when the configuration relationship is the configuration relationship of the working, protection and DNI, determining the performance parameter according to the following formula:
when the configuration relationship is the configuration relationship of the working, protection, DNI and MSP, determining the performance parameter according to the following formula:
2. An apparatus for determining service performance parameters, the apparatus comprising:
an obtaining module, configured to obtain a configuration relationship between a plurality of pseudowires in a packet transport network PTN, where the plurality of pseudowires correspond to a service in the PTN;
a determining module, configured to determine performance parameters of the services corresponding to the pseudowires according to the configuration relationship;
the configuration relationship among the plurality of pseudo wires acquired by the acquisition module comprises at least one of the following: the multiple pseudo wires are mutually independent and have no protection relation; the plurality of pseudo wires are in a configuration relation of work and protection; the multiple pseudo wires are in a configuration relation of working, protection and double-node interconnection DNI; the plurality of pseudo wires are in a configuration relation of working, protection, DNI and multiplex section protection MSP;
the performance parameters determined by the determination module include at least one of: bandwidth, traffic, delay, jitter;
the determining module is configured to determine the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2Is the value corresponding to the flow rate,
for the bandwidth value corresponding to the jth pseudowire,
the flow value corresponding to the jth pseudo wire;
wherein i is 3,4, B3Is the value corresponding to said time delay, B4Is the value to which the jitter corresponds,
for the delay value corresponding to the jth pseudowire,
the jitter corresponding to the jth pseudo wire is j ═ 1,2 … … n, and n is the number of the pseudo wires; alternatively, the first and second electrodes may be,
the determining module is configured to determine the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2Is the value corresponding to the flow rate,
for the bandwidth value corresponding to the jth working pseudowire,
for the flow value corresponding to the jth working pseudo-line,
for the bandwidth value corresponding to the jth protection pseudowire,
the flow value corresponding to the jth protection pseudo wire;
wherein i is 3,4, B3Is the value corresponding to said time delay, B4Is the value to which the jitter corresponds,
for the delay value corresponding to the jth working pseudowire,
for the jitter corresponding to the jth working pseudowire,
for the delay value corresponding to the jth protected pseudowire,
the jitter corresponding to the jth protection pseudo wire is j equal to 1,2 … … n, and n is the number of the pseudo wires; alternatively, the first and second electrodes may be,
the determining module is configured to determine the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2Is the value corresponding to the flow rate,
for the bandwidth value corresponding to the jth working pseudowire,
for the flow value corresponding to the jth working pseudo-line,
for the bandwidth value corresponding to the jth protection pseudowire,
for the traffic value corresponding to the jth protection pseudowire,
for the bandwidth value corresponding to the jth DNI,
the flow value corresponding to the j-th DNI;
wherein i is 3, B3Is the value to which the time delay corresponds,
for the delay value corresponding to the jth working pseudowire,
for the delay value corresponding to the jth protected pseudowire,
the corresponding time delay value of the j-th DNI;
wherein i is 4, B4Is the value to which the jitter corresponds,
for the jitter corresponding to the jth working pseudowire,
for the jitter corresponding to the jth protection pseudowire,
jitter corresponding to the j-th DNI, wherein j is 1,2 … … n, and n is the number of the pseudo wires; alternatively, the first and second electrodes may be,
the determining module is configured to determine the performance parameter according to the following formula:
wherein i is 1,2, B1Is a value corresponding to the bandwidth, B2Is the value corresponding to the flow rate,
for the bandwidth value corresponding to the jth working pseudowire,
for the flow value corresponding to the jth working pseudo-line,
for the bandwidth value corresponding to the jth protection pseudowire,
for the bandwidth value corresponding to the jth protection pseudowire,
for the traffic value corresponding to the jth protection pseudowire,
for the bandwidth value corresponding to the jth DNI,
the flow value, MSP, corresponding to the j-th DNI1 jBandwidth value corresponding to jth MSP，
The flow value corresponding to the jth MSP is obtained;
wherein i is 3, B3Is the value to which the time delay corresponds,
for the delay value corresponding to the jth working pseudowire,
for the delay value corresponding to the jth protected pseudowire,
for the delay value corresponding to the jth DNI,
the time delay value corresponding to the jth MSP;
wherein i is 4, B4Is the value to which the jitter corresponds,
for the jitter corresponding to the jth working pseudowire,
for the jitter corresponding to the jth protection pseudowire,
for the jitter corresponding to the jth DNI,
and j is the jitter corresponding to the j-th MSP, wherein j is 1,2 … … n, and n is the number of the pseudo wires.
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| CN103873190A (en) * | 2012-12-14 | 2014-06-18 | 中兴通讯股份有限公司 | Terminal-to-terminal business performance transmission method, system and terminal |
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| CN103873190A (en) * | 2012-12-14 | 2014-06-18 | 中兴通讯股份有限公司 | Terminal-to-terminal business performance transmission method, system and terminal |
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