CN102255770B - Method and application of compound network monitoring packet - Google Patents
Method and application of compound network monitoring packet Download PDFInfo
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Abstract
The invention relates to the technical field of data frame definition and usage of a network monitoring packet, in particular to a method and an application of a compound network monitoring packet. A TAP branching unit is serially connected between a server and an IP (Internet Protocol) switcher or router connected to the server, wherein a branch of the TAP branching unit is connected to a data collecting device; the data collecting device is connected to a follow-up processor; the TAP branching unit is used for copying various packets sent by the server at real time and sending the packets to the data collecting device; the packets collected by the data collecting device are original packets; the data collecting device is used for defining the data frames of the original packets; an operation system is used for storing the original packets; and the collected original packets on the data collecting device are combined and merged, thereby forming the compound network monitoring packet; and the compound network monitoring packet is sent to the follow-up processor and is subjected to the follow-up processing. The method and the application of the compound network monitoring packet provided by the invention are used for obviously reducing the load capacities of the data collecting device and the follow-up processor and reducing the energy consumption of the device.
Description
[technical field]
The present invention relates to the monitoring technical field of network service, a kind of data structure of Monitoring Data bag or frame format (Data Frame) definition specifically and the method using are a kind of method and purposes of composite network Monitoring Data bag.
[background technology]
Nowadays; IP network is by extensively popularization and application; in network, there are the various network storms that affect Internet normal use; the problem such as virus or network attack and network fraud; usually can cause network paralysis, now, network operation and administrative staff just need to be by capturing the packet on network; packet based on grabbing is analyzed, and online diverse network user behavior is analyzed.Conventionally can filter the packet grabbing, abandon unconcerned packet, the data packet transmission of needs analysis be come out to other computer or special equipment is processed, or present to related personnel by man-machine interface.These transmission or the packet presenting, be called as network monitoring data bag.
Domestic patent of invention 200810019283.9 discloses a kind of multilingual network packet high efficiency filter method, this invention is defined and filters packet by the regulation linked of prior setting, filtering out the packet needing transmits, but the packet of gained still needs to send one by one, for large batch of packet, cannot disposablely transmit, make efficiency of transmission step-down.
[summary of the invention]
Object of the present invention will solve the deficiencies in the prior art exactly, and method and the purposes of a kind of " composite network Monitoring Data bag " is provided.
A kind of method that designs for achieving the above object composite network Monitoring Data bag, comprises server, interchanger or router, and data acquisition equipment is characterized in that the method comprises that raw data packets obtains and treatment step:
The acquisition step of A, raw data packets:
The splitter TAP that connects between a, the switch being connected with server at server or router, the shunt connection data collecting device of splitter TAP, described data acquisition equipment is connected with subsequent treatment machine or both are uniform machinery;
B, process splitter TAP copy in real time through switch or router transmission or the various packets that receive and send to data acquisition equipment, and the packet that data acquisition equipment collects is raw data packets;
B, raw data packets processing:
A, by the out raw data packets of all needs of data acquisition equipment acquisition filter, and by operating system, driver or the application program of data acquisition equipment, raw data packets is preserved;
B, have maximum data packet output length at data acquisition equipment output port, there is maximum data packet input length in subsequent treatment machine input port, takes out the limiting length M of minimum length as subsequent group bag in the two;
C, on data acquisition equipment, the raw data packets collecting is combined to greatest extent and merged, each packet merges to the end of previous packet successively, and form a composite network Monitoring Data bag, the length of this composite network Monitoring Data bag be equal to or less than the raw data packets that combines and merge, and be less than limiting length M, remaining raw data packets is continued to merge according to the method described above until all packet combinings complete;
D, the composite network Monitoring Data bag completing is sent on subsequent treatment machine;
E, subsequent treatment machine carry out data structure or frame format Data Frame definition to the composite network Monitoring Data bag receiving, and the detection of the network with timestamp packet, extract all or part of data message from these.
Described data structure or frame format define the following data acquisition equipment of its concrete steps can adopt any network layer protocol, any transport layer protocol, any session-layer protocol, any statement layer protocol, any application layer protocol, any internal memory to copy or share, the storage of any memory and read or sharing mode sends in the application software of subsequent treatment machine and carries out subsequent treatment.
The acquisition step of the raw data packets of the method can also be following steps: mirror port connection data collecting device is set on switch, and described data acquisition equipment is connected with subsequent treatment machine or both are uniform machinery; Copy in real time through switch or router transmission or the various packets that receive and send to data acquisition equipment through splitter TAP, the packet that data acquisition equipment collects is raw data packets.
Described server available network terminal equipment replaces.
Described data acquisition equipment is connected with subsequent treatment machine or both are uniform machinery.
Described operating system is LINUX, WINDOWS or other are as the operating system of real time operating system.
The specific implementation of described method can be by C/C++ language, the realization of Java language, OpenCL language, formula translation, PERL language or other any attainable computer languages.
The hardware system that the hardware system that the computer that the hardware platform of described data acquisition equipment can be is core component based on CPU or FPGA are core component or DSP are core component.
Described data acquisition equipment is C98IPmon.
It can be LAN (Local Area Network) or Ethernet that the method is applied to monitored network, WIFI wireless network or WLAN or comprise self-organizing WLAN MESH network, the second generation or 2G GSM or 2G CMDA mobile communications network, the third generation or 3G mobile communications network, the 4th generation or LTE mobile communications network, Intranet, in EPON EPON, GPON EPON, intelligence switched optical network or ASON network, ZigBee is wireless Internet of Things, RFID is wireless Internet of Things, the computer networking of PCIe agreement, the Computer Storage networking of storage system agreement Network Based, based on the network of cloud computing technology networking, intelligent grid communication network and dispatch network, based on the network of satellite communication, based on the network of microwave communication, Ubiquitous Network.
The present invention compared with the existing technology, reduces the number of times (comprising the machine that is transferred to the application program of the machine or is transferred to other subsequent treatment Monitoring Data bag) of network monitoring data collecting device transmission Monitoring Data bag significantly; Reduce significantly the load pressure that Monitoring Data wraps in the number of transmissions in network and brings to network thus; Reduce significantly network monitoring data collecting device and the load of other subsequent treatment and the energy consumption of equipment.
[accompanying drawing explanation]
Fig. 1 is the equipment connection schematic diagram that the present invention passes through splitter collection network data;
Fig. 2 is the equipment connection schematic diagram that the present invention passes through switch mirror port image data bag;
Fig. 3 is the equipment connection schematic diagram that the present invention passes through network-termination device image data bag;
Fig. 4 is schematic flow sheet of the present invention;
In figure 1, server 2, TAP splitter 3, IP interchanger or router four, data acquisition unit 5, subsequent treatment machine.
[embodiment]
The present invention will be further described by reference to the accompanying drawings, and the manufacturing technology of this device is very clearly concerning this professional people.
1) network packet collecting device by with one or more physical interfaces of monitored network, capture in real time the packet (number is W) on monitored network.
2) in the operating system of network packet collecting device, in driver or application program (hereinafter to be referred as program), by the filtering rule of prior setting, these packets are filtered; Determine the packet (packet that number is X, its type of data packet is type of data packet A) that needs analysis;
3) the X number packet of these type of data packet A is left in spatial cache corresponding in these programs.
4) allow the length L of Frame or the packet of output according to the maximum of this network packet collecting device output interface, define a kind of packet that merges H type of data packet A, scheme to a composition composite network Monitoring Data bag (is called for short packet BP, its type of data packet B, requires the length L H sum total of this H the packet being combined to be less than length L).
5) network packet collecting device is transferred to the application program of the machine or the subsequent treatment machine of far-end by this composite network Monitoring Data bag BP once.
Prioritization scheme:
The technical scheme case study on implementation that application realizes in LAN (Local Area Network) (LAN) or Ethernet.
If in a network protocol analysis process, we only need to analyze the packet of Transmission Control Protocol.Above-mentioned technical scheme can realize according to following case study on implementation:
Step 1: data acquisition
The network packet collecting device of Ethernet can be by the mirror port that provides with Ethernet switch be connected to capture the network packet of this Ethernet switch of flowing through.Ethernet network packet capture equipment also can capture by the connected mode of Ethernet electric shunt or optical branching device the network packet of this Ethernet switch of flowing through.These Ethernet electric shunts or optical branching device are to be connected across on the cable or cable line of Ethernet switch and other network equipment.By being connected of these splitters and ethernet network packet capture equipment, the Ethernet data bag of flow through these circuit or light path can be transferred to collector.
For example: grab following five ethernet network packets (W=5):
The packet 1 grabbing has 54 byte lengths, and it is as follows that its content is expressed as 16 systems:
01?00?01?00?00?00?7a?62?20?00?01?00?08?00?45?00?00?28?01?00
00?00?6d?06?e2?a4?de?ba?32?4f?3a?29?1e?f9?17?70?05?99?7f?eb
00?00?00?00?00?00?50?02?40?00?68?c2?00?00
It is a tcp data bag.
The packet 2 grabbing has 54 byte lengths, and it is as follows that its content is expressed as 16 systems:
01?00?01?00?00?00?7a?62?20?00?01?00?08?00?45?00?00?28?01?00
00?00?6f?06?3a?d6?3d?93?79?45?3a?29?1e?f9?17?70?05?99?7f?55
00?00?00?00?00?00?50?02?40?00?c3?89?00?00
It is a tcp data bag.
The packet 3 grabbing has 72 byte lengths, and it is as follows that its content is expressed as 16 systems:
7a?62?20?00?01?00?01?00?01?00?00?00?08?00?45?00?00?3a?80?80
00?00?80?11?ad?55?3a?29?1e?f9?b4?a8?ff?12?c5?82?00?35?00?26
d5?38?3a?98?01?00?00?01?00?00?00?00?00?00?03?73?75?70?04?6c
69?76?65?03?63?6f?6d?00?00?01?00?01
It is the packet of a DNS Protocol.
The packet 4 grabbing has 132 byte lengths, and it is as follows that its content is expressed as 16 systems:
01?00?01?00?00?00?7a?62?20?00?01?00?08?00?45?00?00?76?85?87
40?00?fa?11?ee?11?b4?a8?ff?12?3a?29?1e?f9?00?35?c5?82?00?62
0b?12?3a?98?81?80?00?01?00?02?00?00?00?00?03?73?75?70?04?6c
69?76?65?03?63?6f?6d?00?00?01?00?01?c0?0c?00?05?00?01?00?00
0b?be?00?20?03?73?75?70?04?6c?69?76?65?03?63?6f?6d?06?67?6c
62?64?6e?73?09?6d?69?63?72?6f?73?6f?66?74?c0?15?c0?2a?00?01
00?01?00?00?00?fc?00?04?41?36?a7?1b
It is the packet of a DNS Protocol.
The packet 5 grabbing has 62 byte lengths, and it is as follows that its content is expressed as 16 systems:
7a?62?20?00?01?00?01?00?01?00?00?00?08?00?45?00?00?30?80?81
40?00?80?06?38?d3?3a?29?1e?f9?41?36?a7?1b?07?e6?00?50?05?0d
6d?45?00?00?00?00?70?02?40?00?87?37?00?00?02?04?05?a0?01?01
04?02
It is a Transmission Control Protocol packet.
Step 2: data filtering obtains the packet of type of data packet A
Because we only need to analyze the packet of Transmission Control Protocol, network packet collecting device collects after above-mentioned ethernet network packet, for example, in the driver of operating system (: LINUX or WINDOWS operating system) (also can in kernel program or application program), packet 3 and 4 that just can be above-mentioned filters out, and is just only left three packets (X=3) that we need:
Tcp data bag 1: the packet 1 grabbing has 54 byte lengths, and it is as follows that its content is expressed as 16 systems:
01?00?01?00?00?00?7a?62?20?00?01?00?08?00?45?00?00?28?01?00
00?00?6d?06?e2?a4?de?ba?32?4f?3a?29?1e?f9?17?70?05?99?7f?eb
00?00?00?00?00?00?50?02?40?00?68?c2?00?00
Tcp data bag 2: the packet 2 grabbing has 54 byte lengths, and it is as follows that its content is expressed as 16 systems:
01?00?01?00?00?00?7a?62?20?00?01?00?08?00?45?00?00?28?01?00
00?00?6f?06?3a?d6?3d?93?79?45?3a?29?1e?f9?17?70?05?99?7f?55
00?00?00?00?00?00?50?02?40?00?c3?89?00?00
Tcp data bag 3: the packet 5 grabbing has 62 byte lengths, and it is as follows that its content is expressed as 16 systems:
7a?62?20?00?01?00?01?00?01?00?00?00?08?00?45?00?00?30?80?81
40?00?80?06?38?d3?3a?29?1e?f9?41?36?a7?1b?07?e6?00?50?05?0d
6d?45?00?00?00?00?70?02?40?00?87?37?00?00?02?04?05?a0?01?01
04?02
Step 3: the depositing of the packet of type of data packet A
Above-mentioned analysis and filter is mainly the operating system at network packet collecting device, in driver or application program, realizes; Only preserve subsequent analysis and process these 3 packets that need, leave in these corresponding programs.
Step 4: composition composite network Monitoring Data bag
According to the maximum data packet length L (L=MTU that collecting device outputs to native application or the port that is connected with far-end subsequent treatment machine is allowed.If an ethernet port is only supported conventional frame format, the length of its maximum load packet approximately just only has 1518 bytes, i.e. MTU=1500; If an ethernet port supports that huge frame (JumboFrame) form is oversized frame, the length of its maximum load packet approximately can have 9500 bytes, i.e. MTU=9500; If an ethernet port supports that huge frame format is oversized frame, the length of its maximum load packet approximately can have 18000 bytes, i.e. MTU=18000).Can be 1500,9500 or 18000 according to the hardware capabilities L of collecting device.Determine through filtering the packet (X=3) that need to analyze.
The PCI-Express of subsequent treatment server is generally all supported this three kinds of three kinds of MTU.
And datagram 1,2 and 5 is combined into the composite network Monitoring Data bag BP (type of data packet B) that a following length is 170 bytes:
01?00?01?00?00?00?7a?62?20?00?01?00?08?00?45?00?00?28?01?00
00?00?6d?06?e2?a4?de?ba?32?4f?3a?29?1e?f9?17?70?05?99?7f?eb
00?00?00?00?00?00?50?02?40?00?68?c2?00?00?01?00?01?00?00?00
7a?62?20?00?01?00?08?00?45?00?00?28?01?00?00?00?6f?06?3a?d6
3d?93?79?45?3a?29?1e?f9?17?70?05?99?7f?55?00?00?00?00?00?00
50?02?40?00?c3?89?00?00?7a?62?20?00?01?00?01?00?01?00?00?00
08?00?45?00?00?30?80?81?40?00?80?06?38?d3?3a?29?1e?f9?41?36
a7?1b?07?e6?00?50?05?0d?6d?45?00?00?00?00?70?02?40?00?87?37
00?00?02?04?05?a0?01?01?04?02
Below just adopt three packets (type of data packet A) as an example, method to be illustrated.In actual use, there is H such packet group to enter this BP packet, as long as the length of this H packet sum total is less than L.In this example, the particular content of composite network Monitoring Data bag has been hidden with XX, and its length is less than or equal to the length sum total of this H packet.
Step 5: BP packet is spread out of
Network packet collecting device is transferred to the application program of the machine or the subsequent treatment machine of far-end by this composite network Monitoring Data bag BP once and in real time.
Technique effect:
If the data packet group of 62 byte lengths is put into the composite network Monitoring Data bag of 1518 bytes, can be included 24.Adopt in this way, just only need to transmit a packet, and adopt conventional method need to transmit 24 packets.
If the data packet group of 62 byte lengths is put into the composite network Monitoring Data bag of 9000 bytes, can be included 145.Adopt in this way, just only need to transmit a packet, and adopt conventional method need to transmit 145 packets.
If the data packet group of 62 byte lengths is put into the composite network Monitoring Data bag of 18000 bytes, can be included 145.Adopt in this way, just only need to transmit a packet, and adopt conventional method need to transmit 145 packets.
This new technical method will greatly reduce the load of network packet collecting device; Meanwhile, also reduce the load of transmission network and subsequent processing device.
Claims (2)
1. a method for composite network Monitoring Data bag, comprises server, interchanger or router, data acquisition equipment, it is characterized in that the method comprises that raw data packets obtains and treatment step:
The acquisition step of A, raw data packets:
The splitter TAP that connects between a, the switch being connected with server at server or router, the shunt connection data collecting device of splitter TAP, described data acquisition equipment is connected with subsequent treatment machine or both are uniform machinery;
B, process splitter TAP copy in real time through switch or router transmission or the various packets that receive and send to data acquisition equipment, and the packet that data acquisition equipment collects is raw data packets;
B, raw data packets processing:
A, by the out raw data packets of all needs of data acquisition equipment acquisition filter, and by operating system, driver or the application program of data acquisition equipment, raw data packets is preserved;
B, have maximum data packet output length at data acquisition equipment output port, there is maximum data packet input length in subsequent treatment machine input port, takes out the limiting length M of minimum length as subsequent group bag in the two;
C, on data acquisition equipment, the raw data packets collecting is combined to greatest extent and merged, each packet merges to the end of previous packet successively, and form a composite network Monitoring Data bag, the length of this composite network Monitoring Data bag be equal to or less than the raw data packets that combines and merge, and be less than limiting length M, remaining raw data packets is continued to merge according to the method described above until all packet combinings complete;
D, the composite network Monitoring Data bag completing is sent on subsequent treatment machine;
E, subsequent treatment machine carry out data structure or frame format Data Frame definition to the composite network Monitoring Data bag receiving, and detect packet and extract all or part of data message from these composite networks;
It is as follows that described data structure or frame format define its concrete steps: data acquisition equipment adopt any network layer protocol, any transport layer protocol, any session-layer protocol, any statement layer protocol, any application layer protocol, any internal memory to copy or share, the storage of any memory and read or sharing mode sends in the application software of subsequent treatment machine and carries out subsequent treatment;
The acquisition step of the raw data packets of the method is following steps: mirror port connection data collecting device is set on switch, and described data acquisition equipment is connected with subsequent treatment machine or both are uniform machinery; Copy in real time through switch or router transmission or the various packets that receive and send to data acquisition equipment through splitter TAP, the packet that data acquisition equipment collects is raw data packets;
Described server replaces with network-termination device;
Described data acquisition equipment is connected with subsequent treatment machine or both are uniform machinery;
Described operating system is LINUX, WINDOWS or other are as the operating system of real time operating system;
The specific implementation of described method is by the realization of C/C++ language, Java language, OpenCL language, formula translation, PERL language or other any attainable computer languages;
The hardware system that the hardware system that the computer that the hardware platform of described data acquisition equipment is is core component based on CPU or FPGA are core component or DSP are core component; Described data acquisition equipment is C98IPmon.
2. the method for a kind of composite network Monitoring Data bag as claimed in claim 1, it is characterized in that it is LAN (Local Area Network) or Ethernet that the method is applied to monitored network, WIFI wireless network or WLAN or comprise self-organizing WLAN MESH network, the second generation or 2G GSM or 2G cdma mobile communication network, the third generation or 3G mobile communications network, the 4th generation or LTE mobile communications network, Intranet, in EPON EPON, GPON EPON, intelligence switched optical network or ASON network, ZigBee is wireless Internet of Things, RFID is wireless Internet of Things, the computer networking of PCIe agreement, the Computer Storage networking of storage system agreement Network Based, based on the network of cloud computing technology networking, intelligent grid communication network and dispatch network, based on the network of satellite communication, based on the network of microwave communication, Ubiquitous Network.
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| CN102571590A (en) * | 2012-01-18 | 2012-07-11 | 珠海市佳讯实业有限公司 | Branching unit for reducing network delay and implementation method thereof |
| CN103259830A (en) * | 2012-05-10 | 2013-08-21 | 南京英飞诺网络科技有限公司 | Low-latency convergence TAP |
| CN106330393A (en) * | 2016-08-10 | 2017-01-11 | 成都广达新网科技股份有限公司 | Packet assembly method and system for TLV (Type, Length and Value) format data |
| CN108111423B (en) * | 2017-12-28 | 2020-11-17 | 迈普通信技术股份有限公司 | Traffic transmission management method and device and network shunting equipment |
| CN110417688A (en) * | 2018-04-26 | 2019-11-05 | 广东电网有限责任公司 | A kind of dispatch automated system multichannel message analysis processing system and method |
| CN113691638B (en) * | 2021-10-26 | 2022-01-07 | 湖南前行科创有限公司 | Internet of things terminal data management and control method and system |
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| CN101174993A (en) * | 2006-11-02 | 2008-05-07 | 北京中创信测科技股份有限公司 | Network data monitoring and processing method and equipment |
| CN101714915A (en) * | 2009-11-02 | 2010-05-26 | 清华大学 | Data retransmission method and system |
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| CN101174993A (en) * | 2006-11-02 | 2008-05-07 | 北京中创信测科技股份有限公司 | Network data monitoring and processing method and equipment |
| CN101714915A (en) * | 2009-11-02 | 2010-05-26 | 清华大学 | Data retransmission method and system |
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