CN106059830B - Automatic analysis method for traffic performance of PTN (packet transport network) ring network - Google Patents
Automatic analysis method for traffic performance of PTN (packet transport network) ring network Download PDFInfo
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Abstract
The invention discloses an automatic analysis method for PTN looped network flow performance, and realizes 'point-line-surface' comprehensive analysis of equipment port flow, service tunnel flow and looped network flow. Aiming at PTN equipment of different manufacturers such as Huashi, Zhongxing and beacon fire, the invention realizes the analysis of the comprehensive performance of the 'point and line surface' of the equipment port flow, the service tunnel flow and the looped network flow. The centralized and three-dimensional control of the PTN equipment flow of different manufacturers is completed, and the method has important support significance for flow management and flow planning optimization.
Description
Technical Field
The invention relates to the field of IP transmission, in particular to an automatic analysis method for traffic performance of a PTN looped network.
Background
In the world telecommunication society (WTSA-12) held by the auspices in 2012, the Packet Transport Network (PTN) standard g.8113.1, which is dominated and assumed by china mobile and edited, has formally passed, indicating that the PTN formally becomes an international standard from an actual industrial standard, and that the technology dominated by china for the first time in the field of optical communication has historically become an international standard. From 2009 to 2013, china mobile invests several billions of yuan for four times of collecting PTN devices, and a 4G mobile communication network is carried by the PTN, so the requirement for the switching capacity of the PTN devices is continuously increasing. In the future, the PTN transmission network will become larger, the number of newly added devices will be larger, the types of newly carried services will be more diversified, and the daily maintenance work of the transmission network will be more challenging. The invention focuses on the management and analysis work of the flow performance in the maintenance of the PTN transmission network, and introduces a more centralized and comprehensive management and analysis method to improve the working efficiency.
A summary of the service types and application scenarios mainly carried by the current PTN network is shown in table 1.
Table 1 service types and scene classifications carried by PTN network
In the application development period of the PTN technology, traffic performance analysis for each port and each service PW of a transmission device is technically implemented in the performance statistical analysis work of the current PTN network traffic, and the implementation flow in the prior art is shown in fig. 1. And aiming at the flow performance of each topological ring network, automatic analysis cannot be carried out at present, and manual check is needed. Not only the timeliness is poor, but also artificial statistical errors can be caused.
In the patent specification with publication number CN102082727B of 9 months 2012, a method for PTN network service traffic management is proposed, which implements real-time monitoring of real-time traffic changes at ports of PTN network devices, can manage real-time traffic changes at any time, and can see real-time changes from maximum traffic to minimum traffic. The method comprises the following steps:
step 1: setting a port corresponding to a certain service in a network management server as an acquisition state, and setting an acquisition time interval and an acquisition time period;
step 2: the server collects real-time flow data of the port set to be in a collection state according to collection time intervals in a collection time period;
and 3, step 3: the network element equipment returns the real-time flow data to the server and stores the real-time flow data;
and 4, step 4: the network management client acquires the name of the network element equipment, the port name set to be in the acquisition state, and the source port and the destination port of the service of acquired real-time flow data from the server;
and 5, step 5: and the network management client displays the end-to-end service in the PTN network of the collected real-time flow data on a display interface.
The method is only suitable for the network management system of the transmission equipment of a single manufacturer, realizes the flow monitoring management of the ports of the network element equipment of the network, and has corresponding technical guidance.
Summarizing the currently applied traffic performance analysis system, there are the following problems that need to be improved:
(1) under the condition of 'one manufacturer and one set of system', unified centralized management and analysis on the flow performance of PTN equipment of multiple manufacturers cannot be formed.
(2) The flow performance analysis of the port and the PW can only be completed, and the flow performance analysis of the ring network cannot be completed.
Disclosure of Invention
The invention aims to provide an automatic analysis method for PTN looped network traffic performance, which aims to solve the problems in the prior art.
In order to achieve the aim, the invention adopts the technical scheme that
A PTN looped network flow performance automatic analysis method is characterized in that: the method comprises the following steps:
(1) the PTN transmission equipment network management system of each manufacturer collects the managed network element data, the PTN transmission equipment network management system collects the related data of the managed network element equipment and stores the related data on a database server of the transmission equipment network management system, and related clients perform data query and modification operation on a database according to the authority;
(2) the traffic performance analysis system regularly acquires data of PTN network management systems of various manufacturers, and acquires relevant data required by traffic analysis through a Corba interface reserved by the PTN transmission equipment network management system in order to realize comprehensive monitoring of equipment ports, service tunnels and ring networks;
(3) and the flow performance analysis system calculates the transmission network topology: the whole topological structure of the transmission network is processed and calculated according to the collected data, and the topology of the access ring and the convergence ring is calculated, the flow of the access ring topology and the convergence ring topology calculation method is as follows,
(3.1) collecting and processing topology information: the acquired topology information is an important basis for calculating topology, a piece of basic topology information comprises detailed information of an a end and a z end of an interconnection port of two adjacent devices, the topology information can be disassembled into a table, and the a end device and the z end device respectively comprise the following information: the system comprises a network element number, a network element name, a network element type, a frame number, a slot number, a board number and a port number;
(3.2) according to different types of the devices at the a end and the z end, the results of the topology information processing are mainly divided into 4 types as shown in table 2:
table 2 relationship between device type and topology location in topology information
Analyzing according to the characteristics of the access ring, and obtaining a relevant information table of each node on the access ring by combining the table 2, wherein the relevant information table comprises:
a) the most obvious characteristics of the starting point information table of the access ring, which intersects with the aggregation ring, are as follows: the type of the a-side device of the topology information is convergence layer device, and the type of the z-side device is access layer device, so that the formed access ring starting point information table is shown in table 3:
table 3 access loop start point information table
b) The most obvious characteristics of the common node information table of the access ring are as follows: the types of the devices at the a end and the z end of the topology information are both access layer devices, so that the formed access ring common node information table is shown in table 4:
table 4 access ring common node information table
c) The most obvious characteristics of the access ring end point information table and the end point intersected with the convergence ring are as follows: the type of the a-side device of the topology information is an access layer device, and the type of the z-side device is a convergence layer device, so that the formed access ring starting point information table is shown in table 5:
TABLE 5 access ring end point information table
d) The information table of the overlapped segment of the access ring and the convergence ring, the overlapped segment information defines the path of the access ring from the end point to the starting point and the port detailed information at the two ends of the path, finally forms the closure of the topology ring, and the most obvious characteristic of the overlapped segment is as follows: the types of devices at the a-end and the z-end of the topology information are convergence layer devices, so that the formed information table of the overlapped segments of the access ring and the convergence ring is shown in table 6:
table 6 access ring and convergence ring overlapping section information table
(3.3) according to the access ring starting point information table 3, recursively searching an access ring common node information table 4, and determining the starting point and the common node of the access ring topology, wherein the specific process is as follows:
(3.3.1) and accessing to the query flow of the ring starting point information table 3: inquiring the a-end equipment information of a certain item content in the table 3, wherein the a-end is determined as a topology starting point, and the z-end is a next node;
(3.3.2) and an inquiry flow of an access ring common node information table 4: the z-end device in the information entry of table 3 has a corresponding relationship to the a-end device in the information entry of table 4, and because table 4 contains topology information of all the access ring common nodes, the topology information of all the common nodes on the access ring can be determined by recursive search;
(3.4) inquiring an access ring terminal point information table 5 according to the last common node information of the inquiry result of the access ring common node information table 4, and determining the terminal point of the topology; corresponding relations exist from the z-end equipment in the information entry of the table 4 to the a-end equipment in a certain information entry of the table 5, and the z-end equipment information is obtained through the a-end equipment of the table 5 and is determined as a topological end point;
(3.5) inquiring an information table 6 of an overlapping section of the access ring and the convergence ring according to topology end point information obtained by inquiring an access ring end point information table 5, wherein a corresponding relation exists between a z end in a certain topology end point information entry in the table 5 and an a end device in a certain information entry in the table 6, and the z end device is obtained through the a end device in the table 6 to determine a topology starting point, so that a path from the topology end point to the starting point is obtained, and the topology of the whole access ring can be closed;
(3.6) according to the backup of the table 6, starting from the information entry of the first row, recursively inquiring the table 6, and closing the whole convergence ring topology, wherein the entry inquired by the step (3.5) in the original table 6 can be marked and cannot be repeatedly inquired, so that a brand-new table 6 backup needs to be established;
storing the nodes and the connection relation information inquired in the whole process into a final topology table 7 to obtain final ring network topology information:
table 7 final topology table
(4) The performance analysis system calculates flow, and comprises:
the performance analysis system calculates port traffic: the network management system of the prior transmission equipment can realize the statistical function of port flow, and respectively collects the flow data of each port on the ring according to the structure of the topological ring, thus calculating the flow of each port of the equipment;
the performance analysis system calculates the service flow: at present, a network management system of transmission equipment can already realize a flow counting function of a PW bearer service, and can count the required PW bearer service flow by combining a PW path and a topology ring structure;
the performance analysis system calculates the flow of the ring network: the calculation of the access ring network flow depends on the access ring topology relation table in the final topology table 7, and the port flows of the two ends of the access ring network, namely the starting point and the end point, are added to obtain the overall situation: the flow of the access ring network is equal to the flow of a starting port and the flow of a terminal port;
calculating the flow of the aggregation ring network: depending on the convergence ring topology relation table in the final topology table 7, it is necessary to determine the device convergence point ports a and B connected to the core point, where the convergence ring network traffic is the device port a traffic connected to the core point + the device port B traffic connected to the core point;
(5) and early warning judgment, including:
and early warning and judging the utilization rate of the equipment port: on one hand, the utilization rate of the port number is counted to be (the number of used ports/the total number of ports) multiplied by 100% by taking the equipment as a unit; on the other hand, the statistical port bandwidth utilization rate is (port actual data traffic/port nominal rate) multiplied by 100% by taking the port as a unit;
service PW utilization rate early warning judgment: if the port bandwidth of the PW is GE, the PW utilization rate is (PW bearer traffic/PW port bandwidth GE) × 100%;
early warning and judgment of the utilization rate of the looped network bandwidth: if each device in the ring network is connected by using a 10GE port, a ring with a 10GE bandwidth can be formed, and the utilization rate of the ring network bandwidth is (ring network flow/ring network bandwidth 10GE) × 100%;
(6) and outputting a flow performance analysis result comprehensive report, wherein the flow performance analysis and early warning of the equipment port, the PW service flow analysis and early warning, and the looped network flow analysis and early warning are combined through a point-line plane, so that the integrated analysis and early warning of the PTN network flow three-dimensional synthesis is realized, and the PTN network structure and the bearing service optimization are comprehensively supported by the system.
Acquiring parameters required by equipment port flow analysis: the method comprises the steps of (1) including the ID of each network element, the port state information of each network element and the real-time flow of each port;
acquiring parameters required by service PW flow analysis: the method comprises the following steps of including the name and the state of each tunnel, the real-time flow of each tunnel, the name and the state of each PW, and the real-time flow of each PW;
collecting parameters required by looped network flow analysis: the method comprises the topological direction, the parameters collected by port flow monitoring and the ring network flow.
The invention provides an automatic analysis method for PTN looped network flow performance, which clarifies a technical implementation scheme for automatically analyzing looped network flow performance through algorithm and function innovation, realizes unified centralized management and analysis of PTN equipment flows of multiple manufacturers, completes centralized and three-dimensional control of PTN equipment flows of different manufacturers, and systematically and comprehensively supports network structure and bearer service optimization of PTN and PTN flow operation and flow planning optimization.
The invention has the technical key point that an automatic analysis method for PTN looped network flow is provided, and aiming at PTN equipment of different manufacturers such as Huashi, Zhongxing and beacon, the comprehensive performance analysis of the port flow of the equipment, the service tunnel flow and the looped network flow on a point-line surface is realized. The centralized and three-dimensional control of the PTN equipment flow of different manufacturers is completed, and the method has important support significance for flow management and flow planning optimization:
1) in order to realize the dynamic calculation of the PTN looped network topological structure, an algorithm for determining the looped network topology through the recursive query of the topological information is provided by combining the relation between the equipment type and the topological position in the topological information, and the dynamic change and the adjustment of the topology can be adapted.
2) In order to realize the dynamic calculation of the ring network flow, the calculated topological ring structure is combined, and the dynamic calculation method of the ring network flow is provided by determining the starting point and the end point flow of the topological ring (note that the starting point and the end point are both the intersection points of the ring), and is the sum of the dynamic flows of the starting point and the end point equipment ports.
3) In order to realize the centralized management of PTN equipment flow of different manufacturers, the invention provides the content and format specifications of data acquisition of each manufacturer, finishes the uniform format and centralized acquisition of data of each manufacturer on the upper layer and solves the problem of the difference of data acquired by the network managers of equipment of different manufacturers.
Compared with the prior art, the invention has the advantages that:
1) a unified platform for analyzing the flow performance of equipment of different PTN manufacturers is established. The centralized and three-dimensional control of the PTN equipment flow of different manufacturers is completed, and the existing situation of decentralized management of one manufacturer and one system is broken.
2) The automatic analysis of the combination of point (port) -line (PW) -surface (looped network) of the PTN network flow is realized. The method realizes automatic analysis of the access ring flow and the convergence ring flow through an innovative algorithm, saves the cost of manual accounting, and can adapt to the real-time change of the network topology structure.
Drawings
FIG. 1 is a flow chart of a prior art performance analysis implementation.
FIG. 2 is a flow diagram of a prior art performance analysis implementation.
Fig. 3 is a diagram of a typical topology architecture of a PTN network.
Fig. 4 is a flowchart of a method for calculating a PTN access ring/aggregation ring topology.
Fig. 5 is a recursive query graph of an access ring common node information table.
Detailed Description
The invention provides an automatic analysis method for PTN looped network flow performance, and realizes the point-line-surface comprehensive analysis of equipment port flow, service tunnel flow and looped network flow. The method is realized by the following technical scheme, and a flow chart is shown in figure 2.
Each step is described below:
101) and the PTN transmission equipment network management system of each manufacturer collects the managed network element data. The PTN transmission equipment network management system can acquire the relevant data of the managed network element equipment and store the data on a database server of the transmission equipment network management system, and relevant clients can perform data query, modification and other operations on the database according to the authority.
102) And the flow performance analysis system regularly acquires data of the PTN network management system of each manufacturer. In order to realize the comprehensive monitoring of the equipment port, the service tunnel and the ring network, the flow performance analysis system can acquire relevant data required by flow analysis through a Corba interface reserved by a PTN transmission equipment network management system.
103) The traffic performance analysis system calculates the transport network topology.
The collected data already comprises information of equipment, topology and the like, and the overall topology structure of the transmission network can be processed and calculated. In conjunction with the exemplary topology shown in fig. 3, the topology of the access ring and the aggregation ring needs to be calculated. The access ring topology is more in number and complex in calculation, which is the research focus of the invention. The access ring topology and convergence ring topology calculation method provided by the invention has the following flow, as shown in fig. 4.
301) Collecting and processing topology information
The acquired topology information is an important basis for calculating topology, a piece of basic topology information contains detailed information of interconnected ports of two adjacent devices (a-end-z-end), the topology information can be disassembled into a table, and the a-end device and the z-end device respectively comprise the following information: network element number, network element name, network element type, frame number, slot number, board number and port number.
According to different types of devices at the a-side and the z-side, the results of the topology information processing can be mainly classified into 4 types.
Table 2 relationship between device type and topology location in topology information
302.1) -302.4) form the relevant information table of each node on the access ring
And analyzing according to the characteristics of the access ring, and combining the conclusion in the table 2 to obtain the relevant information table of each node on the access ring.
1) And accessing a ring starting point information table. The most obvious feature of the starting point intersecting the convergence ring is: the type of the a-end equipment of the topology information is convergence layer equipment, and the type of the z-end equipment is access layer equipment. The table of the access loop start point information is formed as shown in table 3.
2) And accessing a ring common node information table. The most obvious characteristics of the common nodes on the access ring are as follows: the types of the devices at the a end and the z end of the topology information are both access layer devices. The formed access ring common node information table is shown in table 4.
3) And accessing a ring end point information table. The most obvious feature of the end point intersecting the convergence ring is: the type of the a-end equipment of the topology information is access layer equipment, and the type of the z-end equipment is convergence layer equipment. The table of the access loop start point information is formed as shown in table 5.
4) And the access ring and the convergence ring overlap section information table. The overlapping segment information defines the path of the access ring from the end point to the start point and the port detailed information at the two ends of the path, and finally forms the closure of the topological ring. The most obvious features of the overlapping segments are: the types of the devices at the a end and the z end of the topology information are convergence layer devices. The formed access ring and aggregation ring overlap segment information table is shown in table 6.
The status bar has the function of marking whether the information item is inquired or not, and preventing repeated inquiry from accessing the starting point of the ring, so that repeated rings are counted later.
Table 3 access loop start point information table
Table 4 access ring common node information table
TABLE 5 access ring end point information table
Table 6 access ring and convergence ring overlapping section information table
303) Based on the starting point information entry in table 3, the table 4 is recursively looked up to determine the starting point and the common node of the access ring topology.
a) Query flow of table 3: inquiring the a-end equipment information of a certain item content in the table 3, wherein the a-end is determined as a topology starting point, and the z-end is a next node;
b) query flow of table 4: the z-end equipment in the information entry of table 3 < > the a-end equipment in the information entry of table 4 have a corresponding relationship. Since table 4 contains topology information of all the access ring common nodes, the topology information of all the common nodes on the access ring can be determined by recursive search, and the detailed flow is shown in fig. 5.
304) And inquiring the table 5 according to the last common node information of the inquiry result in the table 4 to determine the end point of the topology. In table 4, z-end equipment (the last node in the query result) < - > in table 5, a-end equipment in a certain information entry has a corresponding relationship. And the z-end device information is obtained through the a-end device of table 5, and is determined as the topology end point.
305) According to the topology end point information obtained by the lookup table 5, the lookup table 6, the end a device at z in a certain topology end point information entry of the table 5 and the information entry of the table 6 have a corresponding relation, and the end a device at z (which is the same as the starting point device in the table 3) is obtained through the end a device of the table 6, so as to determine the topology starting point. Thus, a path with a topology end- > start point is obtained, and the whole access ring topology can be closed.
306) Based on the backup of table 6 (the entry in the original table 6 that was queried in step 305 is marked and cannot be queried repeatedly, so a completely new backup of table 6 needs to be built), the table 6 is recursively queried starting from the first row of information entries, closing the entire convergence ring topology.
And storing the nodes and the connection relation information inquired in the whole process into a final topology table 7 to obtain final ring network topology information.
Table 7 final topology table
104.1) the performance analysis system calculates the port traffic.
At present, a network management system of transmission equipment can realize a port flow statistical function, and according to the structure of a topological ring, flow data of each port on the ring is respectively collected, so that the flow of each port of the equipment can be calculated.
104.2) the performance analysis system calculates the traffic flow.
At present, a network management system of a transmission device can already realize a traffic statistics function of a PW bearer service, and can calculate a required PW bearer service traffic by combining a PW path and a topology ring structure.
104.3) calculating the ring network flow by the performance analysis system.
The calculation of the access ring network flow depends on the access ring topology relation table in table 7. The port flows at the two ends (starting point and end point) of the access ring network are added to obtain the overall situation. And the flow of the access ring network is equal to the flow of the starting point port and the flow of the terminal point port.
The calculation of the aggregation ring network traffic depends on the aggregation ring topology relationship table in table 7, and meanwhile, it is necessary to determine the aggregation point ports (usually two devices) of the devices connected to the core point. The converged ring network traffic is equal to the traffic of the device port a connected with the core point + the traffic of the device port B connected with the core point.
105.1) early warning and judging the utilization rate of the equipment port.
The port utilization rate to be counted comprises two aspects: on one hand, the utilization rate of the port number is counted to be (the number of used ports/the total number of ports) multiplied by 100% by taking the equipment as a unit; on the other hand, the statistical port bandwidth utilization is (port actual data traffic/port nominal rate) × 100% in units of ports.
105.2) service PW utilization rate early warning judgment.
If the port bandwidth of the PW is GE, the PW utilization factor is (PW bearer traffic/PW port bandwidth (GE)) × 100%.
105.3) early warning and judging the utilization rate of the looped network bandwidth.
If each device in the ring network is connected by using a 10GE port, a ring with a 10GE bandwidth can be formed, and the ring bandwidth utilization rate is (ring network traffic/ring network bandwidth (10GE)) × 100%.
106) And outputting a flow performance analysis result comprehensive report.
The method mainly comprises three aspects: analyzing and early warning the flow performance of the equipment port, analyzing and early warning the PW service flow, and analyzing and early warning the ring network flow. The combination of point, line and plane realizes the integrated analysis and early warning of PTN network flow three-dimensional synthesis, and the system comprehensively supports the network structure and the bearing service optimization of the PTN.
Claims (2)
1. A PTN looped network flow performance automatic analysis method is characterized in that: the method comprises the following steps:
(1) the PTN transmission equipment network management system of each manufacturer collects the managed network element data, the PTN transmission equipment network management system collects the relevant data of the managed network element equipment and stores the relevant data on a database server of the PTN transmission equipment network management system, and relevant clients perform data query and modification operation on a database according to the authority;
(2) the flow performance analysis system regularly collects data of a network management system of PTN transmission equipment of each manufacturer, and collects relevant data required by flow analysis through a Corba interface reserved by the network management system of the PTN transmission equipment in order to realize comprehensive monitoring of an equipment port, a service tunnel and a ring network;
(3) and the flow performance analysis system calculates the transmission network topology: the whole topological structure of the transmission network is processed and calculated according to the collected data, and the topology of the access ring and the convergence ring is calculated, the flow of the access ring topology and the convergence ring topology calculation method is as follows,
(3.1) collecting and processing topology information: the acquired topology information is an important basis for calculating topology, a piece of basic topology information comprises detailed information of an a end and a z end of an interconnection port of two adjacent devices, the topology information can be disassembled into a table, and the a end device and the z end device respectively comprise the following information: the system comprises a network element number, a network element name, a network element type, a frame number, a slot number, a board number and a port number;
(3.2) according to different types of the devices at the a end and the z end, the results of the topology information processing are mainly divided into 4 types as shown in table 2:
table 2 relationship between device type and topology location in topology information
Analyzing according to the characteristics of the access ring, and obtaining a relevant information table of each node on the access ring by combining the table 2, wherein the relevant information table comprises:
a) the most obvious characteristics of the starting point information table of the access ring, which intersects with the aggregation ring, are as follows: the type of the a-side device of the topology information is convergence layer device, and the type of the z-side device is access layer device, so that the formed access ring starting point information table is shown in table 3:
table 3 access loop start point information table
b) The most obvious characteristics of the common node information table of the access ring are as follows: the types of the devices at the a end and the z end of the topology information are both access layer devices, so that the formed access ring common node information table is shown in table 4:
table 4 access ring common node information table
c) The most obvious characteristics of the access ring end point information table and the end point intersected with the convergence ring are as follows: the type of the a-side device of the topology information is an access layer device, and the type of the z-side device is a convergence layer device, so that an access ring endpoint information table formed is shown in table 5:
TABLE 5 access ring end point information table
d) The information table of the overlapped segment of the access ring and the convergence ring, the overlapped segment information defines the path of the access ring from the end point to the starting point and the port detailed information at the two ends of the path, finally forms the closure of the topology ring, and the most obvious characteristic of the overlapped segment is as follows: the types of devices at the a-end and the z-end of the topology information are convergence layer devices, so that the formed information table of the overlapped segments of the access ring and the convergence ring is shown in table 6:
table 6 access ring and convergence ring overlapping section information table
(3.3) according to the access ring starting point information table 3, recursively searching an access ring common node information table 4, and determining the starting point and the common node of the access ring topology, wherein the specific process is as follows:
(3.3.1) and accessing to the query flow of the ring starting point information table 3: inquiring the a-end equipment information of a certain item content in the table 3, wherein the a-end is determined as a topology starting point, and the z-end is a next node;
(3.3.2) and an inquiry flow of an access ring common node information table 4: the z-end device in the information entry of table 3 has a corresponding relationship to the a-end device in the information entry of table 4, and because table 4 contains topology information of all the access ring common nodes, the topology information of all the common nodes on the access ring can be determined by recursive search;
(3.4) inquiring an access ring terminal point information table 5 according to the last common node information of the inquiry result of the access ring common node information table 4, and determining the terminal point of the topology; corresponding relations exist from the z-end equipment in the information entry of the table 4 to the a-end equipment in a certain information entry of the table 5, and the z-end equipment information is obtained through the a-end equipment of the table 5 and is determined as a topological end point;
(3.5) inquiring an information table 6 of an overlapping section of the access ring and the convergence ring according to topology end point information obtained by inquiring an access ring end point information table 5, wherein a corresponding relation exists between a z end in a certain topology end point information entry in the table 5 and an a end device in a certain information entry in the table 6, and the z end device is obtained through the a end device in the table 6 to determine a topology starting point, so that a path from the topology end point to the starting point is obtained, and the topology of the whole access ring can be closed;
(3.6) according to the backup of the table 6, starting from the information entry of the first row, recursively inquiring the table 6, and closing the whole convergence ring topology, wherein the entry inquired by the step (3.5) in the original table 6 can be marked and cannot be repeatedly inquired, so that a brand-new table 6 backup needs to be established;
storing the nodes and the connection relation information inquired in the whole process into a final topology table 7 to obtain final ring network topology information:
table 7 final topology table
(4) The performance analysis system calculates flow, and comprises:
the performance analysis system calculates port traffic: the network management system of the PTN transmission equipment can realize the statistical function of port flow at present, and respectively collect the flow data of each port on the ring according to the structure of the topological ring, thus calculating the flow of each port of the equipment;
the performance analysis system calculates the service flow: at present, a network management system of a PTN transmission device can already realize the flow counting function of PW bearer service, and the required PW bearer service flow can be counted by combining the PW path and the topology ring structure;
the performance analysis system calculates the flow of the ring network: the calculation of the flow of the access ring network depends on the topology relationship of the access ring in the final topology table 7, and the flow of the ports at the two ends of the access ring network, namely the starting point and the end point, is added to obtain the overall situation: the flow of the access ring network is equal to the flow of a starting port and the flow of a terminal port;
calculating the flow of the aggregation ring network: depending on the topological relation of the aggregation rings in the final topological table 7, the ports of the aggregation devices a and B connected to the core point need to be determined, and the aggregation ring network traffic is the port traffic of the aggregation device a connected to the core point + the port traffic of the aggregation device B connected to the core point;
(5) and early warning judgment, including:
and early warning and judging the utilization rate of the equipment port: on one hand, the utilization rate of the port number is counted to be (the number of used ports/the total number of ports) multiplied by 100% by taking the equipment as a unit; on the other hand, the statistical port bandwidth utilization rate is (port actual data traffic/port nominal rate) multiplied by 100% by taking the port as a unit;
service PW utilization rate early warning judgment: if the configured bandwidth of the PW is X, the PW utilization rate is (PW bearer traffic/PW configured bandwidth X) X100%;
early warning and judgment of the utilization rate of the looped network bandwidth: if each device in the ring network is connected by using a port with the speed of Y, the ring network with the bandwidth of Y can be formed, and the utilization rate of the ring network bandwidth is (ring network flow/ring network bandwidth Y) multiplied by 100%;
(6) and outputting a flow performance analysis result comprehensive report, wherein the flow performance analysis and early warning of the equipment port, the PW service flow analysis and early warning, and the looped network flow analysis and early warning are combined through a point-line plane, so that the integrated analysis and early warning of the PTN network flow three-dimensional synthesis is realized, and the PTN network structure and the bearing service optimization are comprehensively supported by the system.
2. The automatic analysis method for traffic performance of the PTN ring network as claimed in claim 1, wherein: in step (2), the collected relevant data required for flow analysis includes:
acquiring parameters required by equipment port flow analysis: the method comprises the steps of (1) including the ID of each network element, the port state information of each network element and the real-time flow of each port;
acquiring parameters required by service PW flow analysis: the method comprises the following steps of including the name and the state of each tunnel, the real-time flow of each tunnel, the name and the state of each PW, and the real-time flow of each PW;
collecting parameters required by looped network flow analysis: the method comprises the topological direction, the parameters collected by port flow monitoring and the ring network flow.
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| CN109743223A (en) * | 2018-12-27 | 2019-05-10 | 北京世纪互联宽带数据中心有限公司 | Flow bandwidth data statistical approach and its device, electronic equipment |
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