CN101136794A - Network processor based communication protocol monitoring system and method - Google Patents
Network processor based communication protocol monitoring system and method Download PDFInfo
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- CN101136794A CN101136794A CNA2006101705768A CN200610170576A CN101136794A CN 101136794 A CN101136794 A CN 101136794A CN A2006101705768 A CNA2006101705768 A CN A2006101705768A CN 200610170576 A CN200610170576 A CN 200610170576A CN 101136794 A CN101136794 A CN 101136794A
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Abstract
After system is initialized, optical interface module of multiplexing 1000Mbps Ethernet converts data in current network to bus of media flow. Through bus of media flow, kernel process module of network processor extracts data to carry out pretreatment, sends data to switching module of Ethernet. Based on coincidence relation between kernel process module of network processor and module of main processor, the method forwards pretreated data to corresponding module of main processor, and carries out advanced treatment for received pretreated data. Introducing newest network processor to the interface module of monitoring system for communication protocol, the invention raises processing power of interface module, and enhances processing power of main processor module on large volume data through pretreatment on data in current network.
Description
Technical field
The present invention relates to the communications protocol monitoring technical field, be specifically related to the communication protocol monitoring system and the method for a kind of processor Network Based in the communication system.
Background technology
In order to monitor the running quality of communication network, in time find various unusually, domestic each big telecom operators and Communications Administration Bureau all start and have built the communication protocol monitoring system of oneself.All the framework to communication protocol monitoring system is described in Chinese patent 200410077710.0, Chinese patent 200410096099.6, U.S. Pat 6633555, U.S. Pat 6501950, European patent EP 1212898A1.
For a communication protocol monitoring system, existing common way is: by the mode of mirror image or high resistant, the data extract on the existing network is come out, keep signaling wherein, give server or minicomputer, finish the synthetic even depth of follow-up incident and handle.
In a communication protocol monitoring system, the design of interface module is one of key technology wherein, and interface module is being born from various types of physical link image data and finished pretreated function.At present, in domestic the landline telephone communication network and mobile radio communication, modal physical link is the E1 transmission line, so current communication protocol monitoring system mainly all is used to monitor the E1 transmission line.
Along with the fast development of mechanics of communication, the physical interface type of monitored system begins by the E1 transmission line to the more physical interface type development of high bandwidth, as 100 m ethernet, gigabit Ethernet, ATM (over STM-1) or the like.Therefore, the interface module of communication protocol monitoring system must adapt to new demand.
Network processing unit is a kind of new exclusive processor that occurs in recent years, and the network data of the big flow of special disposal is as gigabit Ethernet, POS (Packet Over Sonet) etc.Internally on the structure, network processing unit is integrated a plurality of processor cores in chip piece, the processor cores that is specifically designed to the management entire chip is wherein arranged, be called system management CPU nuclear, other a plurality of processor cores (generally, be no less than 4) be specifically designed to the data processing of big flow, be called data surface and handle CPU nuclear.At present, provide the company of network processing unit that Intel, Agere, Freescale etc. are arranged.
In Chinese patent 03111162.9, the device that carries out data monitoring at the wide-area data net has been described, wherein network probe just is equivalent to the interface module of communication protocol monitoring system, in this patent, network probe is made up of interface card, interface management module, message processing module, failure analysis module, information comparison module, alarm module, common network interface card, CPU, internal memory, mainboard, hard disk.A probe can insert some interface cards, as a minute time slot E1 interface card, transparent 2M interface card, synchronous serial interface card, ethernet network interface card etc.In this patent, do not describe how to handle ATM (overSTM-1) interface, and communicate by letter by the pci bus mode between interface card and the CPU, because pci bus is to share the formula bus, when interface card quantity increases, can only shared bandwidth, thus cause decreased performance.
In U.S. Pat 2004071130, the interface module design of processor Network Based has been described, in this patent, network processing unit is incorporated in the design of interface module, can effectively improve access capability.But in this patent, a network processor module links to each other by communication link with a main processor modules, though the access capability of network processing unit is very strong, main processor modules and communication link just become new bottleneck.Need to introduce a kind of mechanism for this reason, when the data volume of handling when needs is very big, network processor module can with a plurality of main processor modules correspondences, work of treatment is shared in a plurality of main processor modules.
In the relevant patent of existing communication protocol monitoring system, mainly there are two problems: the first, existing patent is primarily aimed at the data acquisition on the E1 circuit, and the support to ATM high amount of traffic amount interfaces such as (over STM-1) is not provided; The second, after introducing network processing unit, adopt any mechanism to guarantee the processing of big data on flows, effectively do not solved.Therefore, there is weak point in existing technology, haves much room for improvement and develops.
Summary of the invention
Technical problem to be solved by this invention is, a kind of communication protocol monitoring system and method for processor Network Based is provided, and solves the problem of implementation of in the communications protocol observation process support and the Large Volume Data of high amount of traffic amount interface being handled.
The invention provides a kind of communication protocol monitoring system of processor Network Based, comprising:
Multichannel gigabit Ethernet optical interface module is used for the bus of media flow of the data transaction on the multichannel gigabit Ethernet optical interface to network processing unit;
The network processing unit core processing module is connected with multichannel gigabit Ethernet optical interface module, from the existing network data of described bus of media flow extraction corresponding interface type, described existing network data is carried out preliminary treatment;
Some main processor modules are used for pretreated existing network data are carried out advanced treating;
Ethernet switching module, be connected between described network processing unit core processing module and the some main processor modules, be used for receiving pretreated data from described network processing unit core processing module, according to the corresponding relation between network processing unit core processing module and the main processor modules, with the extremely corresponding main processor modules of pretreated data forwarding.
Further, described multichannel gigabit Ethernet optical interface module comprises multichannel gigabit Ethernet optical interface physical layer part, media access control layer part, bus of media flow socket.
Further, described network processing unit core processing module comprises: network processing unit, Double Data Rate synchronous DRAM DDR SDRAM, synchronous static random-access memory Synchronous SRAM, version flash memory Flash, starting sequence flash memory Flash, ethernet mac+PHY chip, bus of media flow socket;
This module comprises that to the existing network data that collect packet reorganization or data filter or abnormal data are handled or signaling data extracts or the pretreatment operation of timestamp processing, by described ethernet mac+PHY chip pretreated data is sent to main processor modules by ethernet switching module.
Further, the corresponding relation between described network processing unit core processing module and the main processor modules is:
During the processing of data volume, described corresponding relation is configured to corresponding 1 main processor modules of 1 network processing unit core processing module after 1 main processor modules satisfies preliminary treatment;
During the processing of data volume, described corresponding relation is configured to the corresponding a plurality of main processor modules of 1 network processing unit core processing module after 1 main processor modules can't be born preliminary treatment.
Further, described main processor modules is a station server or a circuit board that comprises high-performance processor, and its advanced treating to pretreated data comprises that call event is synthetic or generates statistical report form, generation alarm.
The present invention also provides a kind of communications protocol monitoring method of processor Network Based, comprises the steps:
Behind S1, the system initialization, multichannel gigabit Ethernet optical interface module will be to existing network data transaction that should interface type on bus of media flow;
S2, network processing unit core processing module are extracted data and the data of being extracted are carried out preliminary treatment by bus of media flow, and pretreated data are sent to ethernet switching module;
S3, ethernet switching module are given corresponding main processor modules pretreated data forwarding according to the corresponding relation between network processing unit core processing module and the main processor modules;
S4, main processor modules are carried out advanced treating to the pretreated data that receive.
Further, system initialization comprises described in the step S1:
The configuration of the configuration of corresponding relation or various signaling data filterconditions between the Absolute Time Synchronization of the initialization of the initialization of interface chip and configuration or systems soft ware related data structures and configuration or whole system or network processing unit core processing module and the main processor modules in the system.
Further, network processing unit core processing module described in the step S2 comprises the preliminary treatment of existing network data:
Filter or packet reorganization or abnormal data processing or signaling data extraction or timestamp processing for data.
Further, further can be divided among the step S3:
During the processing of data volume, described corresponding relation is configured to corresponding 1 main processor modules of 1 network processing unit core processing module, with pretreated data forwarding to 1 main processor modules after 1 main processor modules satisfies preliminary treatment;
During the processing of data volume, described corresponding relation is configured to the corresponding a plurality of main processor modules of 1 network processing unit core processing module after 1 main processor modules can't be born preliminary treatment, with pretreated data forwarding to a plurality of main processor modules;
If when one of a plurality of main processor modules broke down, the network processing unit core processing module was carried out redundancy backup, by ethernet switching module pretreated data forwarding to other main processor modules is handled.
Further, advanced treating described in the step S4 comprises that call event is synthetic or generate statistical report form or generate alarm.
The present invention is incorporated into the latest network processor interface module of communication protocol monitoring system, effectively improved the disposal ability of interface module, and by increasing ethernet switching module, realized the flexible configuration between network processing unit and the primary processor, simultaneously, physical interface and network processing unit separate design are with versatility, flexibility and the easy autgmentability that improves system.By to the preliminary treatment of existing network data, strengthened the disposal ability of main processor modules to Large Volume Data.
Description of drawings
Fig. 1 is the theory diagram of correspondence of the present invention;
Fig. 2 is multichannel 10/100/1000Mbps Ethernet electrical interface module (module a 1) theory diagram;
Fig. 3 is multichannel gigabit Ethernet optical interface module (module a 2) theory diagram;
Fig. 4 is multi-channel A TM (over STM-1) PHY module (module a 3) theory diagram;
Fig. 5 is network processing unit core processing module (module a 4) theory diagram;
Fig. 6 is a corresponding data flow schematic diagram of the present invention;
Fig. 7 is the process chart of communications protocol monitoring method correspondence of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments communication protocol monitoring system of the present invention and method are described in further detail.
As shown in Figure 1, shown the communication protocol monitoring system of a kind of processor Network Based of the present invention, its theory diagram can specifically describe as follows:
The communication protocol monitoring system of this processor Network Based comprises with lower module:
Multichannel 10/100/1000Mbps Ethernet electrical interface module (module 1), multichannel gigabit Ethernet optical interface module (module 2), multi-channel A TM (over STM-1) PHY module (module 3, wherein the Chinese implication of PHY is a physical layer, promptly finishes the physical layer function of relevant interface), network processing unit core processing module (module 4), ethernet switching module (module 5), main processor modules (module 6).
As follows to being elaborated of top described module 1-6:
(1) described multichannel 10/100/1000Mbps Ethernet electrical interface module (module 1), refer to multichannel 10/100/1000Mbps Ethernet electrical interface access module, comprise multichannel 10/100/1000Mbps Ethernet electrical interface PHY part, multichannel 10/100/1000Mbps ethernet mac part (annotate: the Chinese implication of MAC is a media access control layer), bus of media flow socket, its theory diagram as shown in Figure 2.This module functions be the data transaction on the multichannel 10/100/1000Mbps Ethernet electrical interface on the bus of media flow of network processing unit, so that network processing unit receives;
(2) described multichannel gigabit Ethernet optical interface module (module 2), refer to multichannel gigabit Ethernet optical interface access module, comprise multichannel gigabit Ethernet optical interface PHY part, MAC part (wherein Ethernet PHY part and ethernet mac part can be integrated in the chip piece), bus of media flow socket, its theory diagram as shown in Figure 3.This module functions be the data transaction on the multichannel gigabit Ethernet optical interface on the bus of media flow of network processing unit, so that network processing unit receives;
(3) described multi-channel A TM (over STM-1) PHY module (module 3) refers to multi-channel A TM (over STM-1) access module, comprises ATM (over STM-1) PHY part, bus of media flow socket, and its theory diagram as shown in Figure 4.This module functions be the data transaction on the multi-channel A TM (overSTM-1) on the bus of media flow of network processing unit, so that network processing unit receives;
The function that above-described multichannel 10/100/1000Mbps Ethernet electrical interface module (module 1), multichannel gigabit Ethernet optical interface module (module 2), multi-channel A TM (over STM-1) PHY module (module 3) realize all is that the Data Receiving of the corresponding interface type of physical interface is got off, and be transformed into bus of media flow that network processing unit is connected on, the difference between them is respectively the interface at different physical type.
(4) described network processing unit core processing module (module 4), refer to the network processing unit minimum system, comprise the bus of media flow socket of network processing unit, DDR SDRAM, Synchronous SRAM, version Flash, starting sequence Flash, ethernet mac+PHY chip, network processing unit, its theory diagram as shown in Figure 5.This module functions is that the existing network data that collect are carried out preliminary treatment, as packet reorganization, abnormal data processing, signaling data extraction, timestamp processing etc., then by ethernet mac+PHY chip, signaling after handling is sent to main processor modules (module 6) by ethernet switching module (module 5), finish follow-up advanced treating by main processor modules (module 6) again;
(5) described ethernet switching module (module 5) is mainly finished between network processing unit core processing module (module 4) and the main processor modules (module 6) data forwarding based on Ethernet.The effect of introducing ethernet switching module (module 5) is:
The one, can realize between network processing unit core processing module (module 4) and the main processor modules (module 6) corresponding relation flexibly, and this corresponding relation can be adjusted in real time along with the data volume size that collects.When the data volume that collects hour, can be configured to corresponding 1 main processor modules (module 6) of 1 network processing unit core processing module (module 4), corresponding 1 main processor modules (module 6) of perhaps a plurality of network processing unit core processing module (module 4), when the data volume that collects in the time of can't bearing, just switches to the corresponding a plurality of main processor modules of 1 network processing unit core processing module (module 4) (module 6) to 1 main processor modules (module 6) greatly in real time, the corresponding a plurality of main processor modules of perhaps a plurality of network processing unit core processing module (module 4) (module 6);
The 2nd, can realize the redundancy backup of network processing unit core processing module (module 4), when disposing a plurality of main processor modules in the system, if 1 main processor modules (module 6) is when breaking down, network processing unit core processing module (module 4) can send to other main processor modules (module 6) to the signaling data that collects, to guarantee the reliability of system.
(6) described main processor modules (module 6) is mainly finished the advanced treating to pretreated protocol data, and, relevant information synthetic as call event added up or the like.Main processor modules (module 6) both can be a station server, also can be a circuit board that comprises high-performance processor.
In the present invention, network processing unit core processing module (module 4) adopts separate design with multichannel 10/100/1000Mbps Ethernet electrical interface module (module 1) or multichannel gigabit Ethernet optical interface module (module 2) or multi-channel A TM (over STM-1) PHY module (module 3) respectively, and module 4 links to each other by the bus of media flow socket each other with module 1,2,3.For disparate modules, the signal definition of bus of media flow socket all is the same, so network processing unit core processing module (module 4) can link to each other with any physical interface module (being module 1 or module 2 or module 3), but 1 module 4 can only connect 1 physical interface module, promptly is man-to-man relation between network processing unit core processing module and the physical interface.
At the data type of different physical interfaces, need make up with different physical interfaces network processing unit core processing module (module 4), so that receive data of different types.Concrete compound mode is:
When gathering the data of 10/100/1000Mbps Ethernet electrical interface, use network processing unit core processing module (module 4) to add multichannel 10/100/1000Mbps Ethernet electrical interface module (module 1);
When gathering gigabit optical interface data, use network processing unit core processing module (module 4) to add multichannel gigabit Ethernet optical interface module (module 2);
When gathering ATM (over STM-1) interface data, use network processing unit core processing module (module 4) to add multi-channel A TM (over STM-1) PHY module (module 3).
In the present invention, realize that by ethernet switching module (module 5) network processing unit core processing module (module 4) is to the mapping between the main processor modules (module 6), and this mapping relations can be selected different patterns according to the size of gathering the signaling data amount, for example the mapping relations between module 4 and the module 6 can for: one to one, or many-one, or one-to-many, or multi-to-multi, wherein, the data volume of gathering hour, can preferably adopt one to one or many-to-one mapping mode, and data volume can preferably adopt the mapping mode of one-to-many or multi-to-multi when big.By above-mentioned mapping mode, ethernet switching module (module 5) can be handled to main processor modules (module 6) the data forwarding that network processing unit core processing module (module 4) put in order in advance.In addition, also can realize the data redundancy of main processor modules (module 6) is backed up by ethernet switching module (module 5).
Simultaneously, based on communication protocol monitoring system recited above, the present invention also provides a kind of communications protocol monitoring method of processor Network Based, specifically describes as follows:
In the present invention, signaling data stream as shown in Figure 6, multichannel 10/100/1000Mbps Ethernet electrical interface module (module 1), multichannel gigabit Ethernet optical interface module (module 2), multi-channel A TM (overSTM-1) PHY module (module 3) are mainly finished the extraction of different physical link existing network data, after extracting the described existing network data of corresponding physical link, it is transformed into bus of media flow.Described network processing unit core processing module is extracted data from bus of media flow, in network processing unit core processing module (module 4), comprises that by the network processing unit among known Fig. 5 in the background technology data surface is handled CPU nuclear and system management CPU examines.So, handle on the CPU nuclear at data surface, carried out preliminary treatment to gathering signaling data, comprise packet reorganization, abnormal data processing, signaling data differentiation, timestamp processing etc., data surface is handled CPU examine pretreated data passes to system management CPU nuclear, by ethernet mac+PHY chip data are sent to main processor modules (module 6) by ethernet switching module (module 5) by system management CPU nuclear, finish follow-up advanced treating by main processor modules again.
The relevant treatment flow process of communications protocol monitoring method of the present invention comprises the steps: as shown in Figure 7
The first step: system finishes relevant initialization, carries out system initialization.Described system initialization mainly comprises: interface chip initialization, circuit board level initialization, system-level initialization.Particularly, can comprise the configuration of corresponding relation between Absolute Time Synchronization, network processing unit core processing module (module 4) and the main processor modules (module 6) of the initialization of the initialization of relevant interface chip and configuration, software-related data structure and configuration, whole system, the configuration of various signaling data filterconditions;
Second step: network processing unit core processing module (module 4) is extracted the signaling link data by bus of media flow, and as required data is put in order, as the SAR operation of ATM;
The 3rd step: the filtercondition according to setting in advance, signaling data is filtered, unwanted signaling data is discarded;
The 4th step: beat timestamp to signaling data, and finish subsequent steps such as group bag, statistics, exceptional signaling data processing;
The 5th step: main processor modules is carried out advanced treating to signaling data, as synthetic call event, generation statistical report form, generation alarm etc.
Described second step, the 3rd step and the 4th step mainly are that data are carried out preliminary treatment, carry out advanced treating again in the 5th step.Owing in advance data are put in order, when main processor modules is carried out data processing, reduced processing links, can improve treatment effeciency.
Characteristics of the present invention are:
(1) by high performance network processing unit core processing module (module 4) the existing network data is carried out Preliminary treatment, thus assurance can insert the data of big flow.
(2) for different physical interface type, design respectively multichannel 10/100/1000Mbps ether Net electrical interface module (module 1), multichannel gigabit Ethernet optical interface module (module 2), multi-channel A TM (over STM-1) PHY module (module 3), they and network processing unit core processing module (mould Piece 4) link to each other by the bus of media flow socket between, and the signal definition of bus of media flow socket all is The same. The benefit of design is like this:
● when we need to insert signaling data on the different physical interfaces, it was suitable only to need to select Interface module, and network processing unit core processing module (module 4) is the same, Thereby improved the versatility of system;
● when the physical interface that inserts changes, also only need to change interface module, thereby carry The flexibility of high system;
● when system need to insert the physical interface of not supporting at present, only need the corresponding thing of design Reason interface module, thereby the extensibility of raising system.
(3) by introducing ethernet switching module, realized network processing unit core processing module (mould Piece 4) and the flexible configuration between the main processor modules (module 6) (by one to one or one-to-many, Or the mapping mode of many-one or multi-to-multi is configured), adapting to the requirement of different pieces of information flow, Also can realize simultaneously the redundancy backup between the main processor modules (module 6).
The present invention is incorporated into the interface module of communication protocol monitoring system with up-to-date network processing unit, effectively Improve the disposal ability of interface module, and by increasing ethernet switching module, realized the network place Flexible configuration between reason device and the primary processor, simultaneously, physical interface and network processing unit separate design, To improve versatility, flexibility and the expansibility of system.
Claims (10)
1. the communication protocol monitoring system of a processor Network Based is characterized in that, comprising:
Multichannel gigabit Ethernet optical interface module is used for the bus of media flow of the data transaction on the multichannel gigabit Ethernet optical interface to network processing unit;
The network processing unit core processing module is connected with multichannel gigabit Ethernet optical interface module, from the existing network data of described bus of media flow extraction corresponding interface type, described existing network data is carried out preliminary treatment;
Some main processor modules are used for pretreated existing network data are carried out advanced treating;
Ethernet switching module, be connected between described network processing unit core processing module and the some main processor modules, be used for receiving pretreated data from described network processing unit core processing module, according to the corresponding relation between network processing unit core processing module and the main processor modules, with the extremely corresponding main processor modules of pretreated data forwarding.
2. communication protocol monitoring system as claimed in claim 1 is characterized in that, described multichannel gigabit Ethernet optical interface module comprises multichannel gigabit Ethernet optical interface physical layer part, media access control layer part, bus of media flow socket.
3. communication protocol monitoring system as claimed in claim 1 is characterized in that, described network processing unit core processing module comprises; Network processing unit, Double Data Rate synchronous DRAM DDR SDRAM, synchronous static random-access memory Synchronous SRAM, version flash memory Flash, starting sequence flash memory Flash, ethernet mac+PHY chip, bus of media flow socket;
This module comprises that to the existing network data that collect packet reorganization or data filter or abnormal data are handled or signaling data extracts or the pretreatment operation of timestamp processing, by described ethernet mac+PHY chip pretreated data is sent to main processor modules by ethernet switching module.
4. communication protocol monitoring system as claimed in claim 1 is characterized in that, the corresponding relation between described network processing unit core processing module and the main processor modules is:
During the processing of data volume, described corresponding relation is configured to corresponding 1 main processor modules of 1 network processing unit core processing module after 1 main processor modules satisfies preliminary treatment;
During the processing of data volume, described corresponding relation is configured to the corresponding a plurality of main processor modules of 1 network processing unit core processing module after 1 main processor modules can't be born preliminary treatment.
5. communication protocol monitoring system as claimed in claim 1, it is characterized in that, described main processor modules is a station server or a circuit board that comprises high-performance processor, and its advanced treating to pretreated data comprises that call event is synthetic or generates statistical report form, generation alarm.
6. the communications protocol monitoring method of a processor Network Based is characterized in that, comprises the steps:
Behind S1, the system initialization, multichannel gigabit Ethernet optical interface module will be to existing network data transaction that should interface type on bus of media flow;
S2, network processing unit core processing module are extracted data and the data of being extracted are carried out preliminary treatment by bus of media flow, and pretreated data are sent to ethernet switching module;
S3, ethernet switching module are given corresponding main processor modules pretreated data forwarding according to the corresponding relation between network processing unit core processing module and the main processor modules;
S4, main processor modules are carried out advanced treating to the pretreated data that receive.
7. communications protocol monitoring method as claimed in claim 6 is characterized in that system initialization comprises described in the step S1;
The configuration of the configuration of corresponding relation or various signaling data filterconditions between the Absolute Time Synchronization of the initialization of the initialization of interface chip and configuration or systems soft ware related data structures and configuration or whole system or network processing unit core processing module and the main processor modules in the system.
8. communications protocol monitoring method as claimed in claim 6 is characterized in that, the core processing module of network processing unit described in the step S2 comprises the preliminary treatment of existing network data:
Filter or packet reorganization or abnormal data processing or signaling data extraction or timestamp processing for data.
9. communications protocol monitoring method as claimed in claim 6 is characterized in that, further can be divided among the step S3:
During the processing of data volume, described corresponding relation is configured to corresponding 1 main processor modules of 1 network processing unit core processing module, with pretreated data forwarding to 1 main processor modules after 1 main processor modules satisfies preliminary treatment;
During the processing of data volume, described corresponding relation is configured to the corresponding a plurality of main processor modules of 1 network processing unit core processing module after 1 main processor modules can't be born preliminary treatment, with pretreated data forwarding to a plurality of main processor modules;
If when one of a plurality of main processor modules broke down, the network processing unit core processing module was carried out redundancy backup, by ethernet switching module pretreated data forwarding to other main processor modules is handled.
10. communications protocol monitoring method as claimed in claim 6 is characterized in that, advanced treating described in the step S4 comprises that call event is synthetic or generate statistical report form or generate alarm.
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| US11734222B2 (en) * | 2011-03-17 | 2023-08-22 | Carefusion 303, Inc. | Scalable communication system |
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