CN108696450A - A kind of network TCP flow amount processing method and its device - Google Patents
A kind of network TCP flow amount processing method and its device Download PDFInfo
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- CN108696450A CN108696450A CN201810731643.1A CN201810731643A CN108696450A CN 108696450 A CN108696450 A CN 108696450A CN 201810731643 A CN201810731643 A CN 201810731643A CN 108696450 A CN108696450 A CN 108696450A
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- tcp flow
- tcp
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/20—Traffic policing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
Abstract
A kind of network TCP flow amount processing method of present invention offer and its device, include the following steps:Step 1:Determine TCP flow;Step 2:TCP flow characteristic is obtained according to determining TCP flow;Step 3:Diagnostic analysis is carried out to TCP flow amount according to the TCP flow characteristic, and the TCP flow characteristic is output to third party's data platform.The present invention solves the problems, such as that interim preparation TCP flow amount handling implement, real-time are high on demand.TCP flow characteristic can be locally stored in the device simultaneously, have the ability of backtracking.The device carries out automatic shunt to TCP flow, and the feature of TCP flow is extracted, calculates and stored automatically.Reduce the difficulty that engineer analyzes TCP flow.The device has the function of retaining TCP flow characteristic simultaneously, data can be periodically sent to third party's data platform, convenient for doing long-term TCP quality analyses.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of network TCP flow amount processing method and its devices.
Background technology
TCP IP agreement race be current Internet basis, commodity network applies such as wechat, QQ, online video, transmitting-receiving
Email etc. all be unable to do without it.TCP flow amount belongs to the 4th layer of transport layer flow, and the quality of TCP flow is directly influenced based on TCP
The application layer user experience of carrying.Necessary data supporting can be provided to the analysis of TCP flow for optimization user experience.
When needing to do diagnostic analysis to TCP flow amount, the software increased income is coordinated by network interface card using computer under normal circumstances
If Wireshark carry out manually on demand packet capturing analyzed, this mode can solve the problems, such as, but its there are following several
A defect:
Real-time is poor, non recounting function:End user feeds back certain and is based on TCP using after going wrong, and engineer prepares again
Tool goes to execute manual packet capturing, at this time before the problem of cannot may reappear, can not get network problem occur when
Related TCP flow characteristic;
Engineers technical is required high:It is interim manually to carry out TCP flow analysis, need engineer that there is higher network data
Packet diagnostic experiences, the characteristic needs for calculating TCP flow take a significant amount of time.
It can not systematically be docked with data platform:When manual zero packet capturing analysis data can not system and third number formulary
It is docked according to platform, can not be analyzed for later dependent diagnostic and data are provided.
Invention content
It is an object of the invention to solve the problems of the above-mentioned prior art, a kind of network TCP flow amount processing dress is provided
It sets, which can in real time, automatically export the TCP flow amount of input according to TCP flow (TCP Flow) characteristic of TCP flow
According to.The characteristic of TCP flow can retain in the apparatus, can periodically be output to third party's data platform, realize it
His modeling analysis.
A kind of network TCP flow amount processing method, includes the following steps:
Step 1:Determine TCP flow;
Step 2:TCP flow characteristic is obtained according to determining TCP flow;
Step 3:Diagnostic analysis is carried out to TCP flow amount according to the TCP flow characteristic, and by the TCP flow characteristic
According to being output to third party's data platform;
The TCP flow characteristic includes following field:Time started, duration, agreement, application type, source IP, source
Port numbers, destination IP, destination slogan, send most parcel is long, send maximum packet is long, send average packet is long, it is long to receive most parcel,
Maximum packet length is received, long average packet is received, transmission packet number, receiver packet number, sends byte number, receive byte number, transmission rate, connect
Receive rate, longest sends response, most short transmission response, averagely send response, longest receives response, most short receptor response, average
Response is received, re-transmission is sent, receives re-transmission, settling time, send SACK, receive SACK, TCP state, send first packet load, connect
Receive first packet load, bit rate, packet serial number, response serial number.
Further, method as described above determines that the method for TCP flow is in step 1:Using the handshake of TCP as
The starting of one TCP flow calculates the Connection Time of TCP flow, using the FIN of TCP or RST as the termination of a TCP flow, then
The protocol header feature of TCP/IP uniquely determines a TCP flow.
Further, method as described above judges TCP according to whether complete three data packets of the handshake
Whether connection succeeds.
Further, method as described above, diagnostic analysis described in step 3 include:
The network between client and server-side is calculated according to the packet serial number in TCP flow characteristic and response serial number relationship to prolong
Slow and response time;
The actual bandwidth of network application is calculated according to the two-way data transmit-receive packet quantity of the TCP flow of statistics and bit rate;
It may determine that TCP whether there is packet loss and out of order situation according to the packet serial number relationship in TCP flow.
Further, the TCP flow characteristic is output to third-party by method as described above described in step 3
Data platform includes:
The TCP flow characteristic is stored according to period regular hour in a manner of daily record text file;When
When the capacity of daily record text file reaches preset upper limit capacity, the daily record text file is transmitted to third party's data platform;
Third party's data platform is by analyzing TCP flow characteristic using modeling.
A kind of network TCP flow amount processing unit, including:
Determination unit, for determining TCP flow;
Acquiring unit, for obtaining TCP flow characteristic according to determining TCP flow;
Processing unit, for carrying out diagnostic analysis to TCP flow amount according to the TCP flow characteristic, and by the TCP flow
Characteristic is output to third party's data platform;
The TCP flow characteristic includes following field:Time started, duration, agreement, application type, source IP, source
Port numbers, destination IP, destination slogan, send most parcel is long, send maximum packet is long, send average packet is long, it is long to receive most parcel,
Maximum packet length is received, long average packet is received, transmission packet number, receiver packet number, sends byte number, receive byte number, transmission rate, connect
Receive rate, longest sends response, most short transmission response, averagely send response, longest receives response, most short receptor response, average
Response is received, re-transmission is sent, receives re-transmission, settling time, send SACK, receive SACK, TCP state, send first packet load, connect
Receive first packet load, bit rate, packet serial number, response serial number.
Further, the determination method of device as described above, the determination unit is:Using the handshake of TCP as
The starting of one TCP flow calculates the Connection Time of TCP flow, using the FIN of TCP or RST as the termination of a TCP flow, then
The protocol header feature of TCP/IP uniquely determines a TCP flow.
Further, device as described above, the processing unit include:
First processing units:For calculating client with response serial number relationship according to the packet serial number in TCP flow characteristic
Network delay between server-side and response time;
Second processing unit, for calculating network according to the two-way data transmit-receive packet quantity of the TCP flow of statistics and bit rate
The actual bandwidth of application;
Third processing unit, for may determine that TCP with the presence or absence of packet loss and out of order according to the packet serial number relationship in TCP flow
Situation.
Further, device as described above, the processing unit include storage transmission unit;
The storage transmission unit is used for the TCP flow characteristic according to period regular hour with daily record text text
The mode of part is stored;When the capacity of daily record text file reaches preset upper limit capacity, the daily record text file is passed
It is sent to third party's data platform;
Third party's data platform is by analyzing TCP flow characteristic using modeling.
Advantageous effect:
Device online processing TCP flow amount message provided by the invention solves interim preparation TCP flow amount handling implement on demand
The problem of, real-time is high.TCP flow characteristic can be locally stored in the device simultaneously, have the ability of backtracking.The device pair
TCP flow carries out automatic shunt, and the feature of TCP flow is extracted, calculates and stored automatically.Engineer is reduced to TCP flow point
The difficulty of analysis.The device has the function of retaining TCP flow characteristic simultaneously, can data be periodically sent to third party
Data platform, convenient for doing long-term TCP quality analyses.
Further, since TCP flow is the basis applied based on TCP, either to the normal access applied based on TCP or evil
Meaning accesses, and all be unable to do without TCP flow.The TCP flow characteristic generated using apparatus of the present invention, can also realize to malicious traffic stream
It excavates.
Description of the drawings
Fig. 1 is inventive network TCP flow amount process flow figure;
Fig. 2 is inventive network TCP flow amount processing unit structure chart;
Fig. 3 is the connection structure diagram of inventive network TCP flow amount processing unit in a network.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, the technical solution below in the present invention carries out clear
Chu is fully described by, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
TCP (Transmission Control Protocol) transmission control protocol, TCP is the biography of host-to-host layer
Transport control protocol is discussed, and reliable Connection Service is provided, and a connection is established using three-way handshake confirmation.In TCP layer, there is a FLAGS
Field, this field have following mark:SYN,FIN,ACK,PSH,RST,URG.
Wherein, five fields of front are meant that:SYN is indicated to establish and be connected, and FIN indicates to close connection, and ACK indicates sound
It answers, PSH indicates that DATA data transmissions, RST indicate connection resetting.
Wherein, ACK be possible be with SYN, FIN etc. is used at the same time, for example, SYN and ACK may simultaneously be 1, it indicate
It is exactly the response established after connection, if an only single SYN, what it was indicated only establishes connection.TCP's holds several times
Hand is exactly that ACK in this way is showed.But SYN and FIN will not be 1 simultaneously, because the former is to establish
Connection, and what the latter indicated is to disconnect.RST is usually the case where just will appear after FIN is 1, and expression is connection
Resetting.
Usually, when there is FIN packets or RST packets, we just think that client and server is disconnected connection;And work as
When there are SYN and SYN+ACK packets, it is believed that client establishes one with server and connect.The case where PSH is 1, general
DATA contents are appeared in not in 0 packet, that is to say, that PSH is to have real TCP data packet content to be passed for 1 expression.
The connection foundation of TCP and connection closed are all the Pattern completions by request-response.
Every one end of TCP sessions all includes the sequence number of one 32 (bit), which is used to track end transmission
Data volume.Include sequence number in each packet, is then used for notifying transmission end data successfully to connect by confirmation number in receiving terminal
It receives.
As shown in Figure 1, network TCP flow amount processing method provided by the invention, includes the following steps:
S1:Determine TCP flow;
S2:TCP flow characteristic is obtained according to determining TCP flow;
S3:Diagnostic analysis is carried out to TCP flow amount according to the TCP flow characteristic, and the TCP flow characteristic is defeated
Go out to third party's data platform;
The TCP flow characteristic includes following field:Time started, duration, agreement, application type, source IP, source
Port numbers, destination IP, destination slogan, send most parcel is long, send maximum packet is long, send average packet is long, it is long to receive most parcel,
Maximum packet length is received, long average packet is received, transmission packet number, receiver packet number, sends byte number, receive byte number, transmission rate, connect
Receive rate, longest sends response, most short transmission response, averagely send response, longest receives response, most short receptor response, average
Response is received, re-transmission is sent, receives re-transmission, settling time, send SACK, receive SACK, TCP state, send first packet load, connect
Receive first packet load, bit rate, packet serial number, response serial number.
As shown in Fig. 2, the present invention provides a kind of network TCP flow amount processing unit, including:
Determination unit, for determining TCP flow;
Acquiring unit, for obtaining TCP flow characteristic according to determining TCP flow;
Processing unit, for carrying out diagnostic analysis to TCP flow amount according to the TCP flow characteristic, and by the TCP flow
Characteristic is output to third party's data platform.
Embodiment:
The present embodiment is in order to which the TCP flow measure feature data in network are extracted and calculated with analysis different user
TCP layer carries quality.
As shown in figure 3, the network switch by the traffic mirrorings such as Port Mirroring or optical splitter equipment by primitive network number
It is transmitted to network TCP flow amount processing unit according to packet;
Network TCP flow amount processing unit uses (SuSE) Linux OS, by network interface card (general network interface card, based on FPGA or more
The professional network interface card of core processor), the data packet received is captured, filter out TCP message, then the protocol header of TCP/IP is special
Sign (such as five-tuple) can uniquely determine a TCP flow.It is used as one using (SYN, SYN-ACK, the SYC-ACK) of TCP message
The starting of TCP flow;Simultaneously according to whether complete three data packets can determine whether TCP connection succeeds, the company of TCP flow is calculated
Connect the time;Calculate TCP flow two-way data transmit-receive packet quantity and bit rate;It may determine that according to the packet serial number relationship in TCP flow
TCP whether there is packet loss and out of order situation, calculate the number of data packet retransmission in TCP flow;According in TCP flow packet serial number with answer
Answer the network delay and response time between serial number relationship calculating client and server-side;It is used as one with (FIN, the RST) of TCP
The termination of TCP flow;Each TCP flow generates a TCP flow characteristic record.
TCP flow characteristic record is retained in the daily record text file on the local hard drive of apparatus of the present invention.Daily record text
Per a line including data field below in part:
Time started, duration, agreement, application type, source IP, source port number, destination IP, destination slogan, transmission
Most parcel length, the maximum packet of transmission are long, transmission averagely packet is long, receive most parcel length, the maximum packet of reception is long, reception averagely packet is long, hair
Packet number, receiver packet number are sent, byte number is sent, receives byte number, transmission rate, receiving velocity, longest transmission response, most short transmission
Response, averagely transmission response, longest receive response, most short receptor response, average received response, send re-transmission, receive re-transmission, build
Between immediately, SACK is sent, SACK, TCP state is received, sends first packet load, receives first packet load.
Network TCP flow amount processing unit periodically (such as every 30 minutes) generates a TCP flow characteristic record log
File.Flume Agents periodically (such as every 100ms) scanning log file storage in network TCP flow amount processing unit
Catalogue.When there is newly generated journal file in catalogue, journal file is transmitted to big data platform by Flume Agents
It is stored in HDFS.
Big data platform records data to the TCP flow measure feature in HDFS by application modeling and analyzes, and is it below
A kind of middle analysis scene:
User accesses internet quality analysis.Based on accessed internet purpose IP address Regional Property analysis, country
Dimension, provinces and cities' dimension;Based on accessed internet purpose IP address operator attributive analysis, national operator, provinces and cities' fortune
Seek quotient's dimension;It is analyzed based on user mode access, wired and wireless access way.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that:It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features;
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of network TCP flow amount processing method, which is characterized in that include the following steps:
Step 1:Determine TCP flow;
Step 2:TCP flow characteristic is obtained according to determining TCP flow;
Step 3:Diagnostic analysis is carried out to TCP flow amount according to the TCP flow characteristic, and the TCP flow characteristic is defeated
Go out to third party's data platform;
The TCP flow characteristic includes following field:Time started, duration, agreement, application type, source IP, source port
Number, destination IP, destination slogan, send that most parcel is long, sends that maximum packet is long, sends that average packet is long, it is long to receive most parcel, receives
Maximum packet is long, the average packet of reception is long, sends packet number, receiver packet number, transmission byte number, receives byte number, transmission rate, receives speed
Rate, longest send response, most short transmission response, averagely send response, longest reception response, most short receptor response, average received
Response sends re-transmission, reception re-transmission, settling time, sends SACK, receive SACK, TCP state, send first packet load, reception head
Packet load, bit rate, packet serial number, response serial number.
2. according to the method described in claim 1, it is characterized in that, determining that the method for TCP flow is in step 1:With shaking hands for TCP
Starting of the signal as a TCP flow, calculates the Connection Time of TCP flow, using the FIN of TCP or RST as the end of a TCP flow
Then knot uniquely determines a TCP flow according to the protocol header feature of TCP/IP.
3. according to the method described in claim 2, it is characterized in that, according to whether complete three data packets of the handshake
To judge whether TCP connection succeeds.
4. according to the method described in claim 1, it is characterized in that, diagnostic analysis described in step 3 includes:
According to the packet serial number in TCP flow characteristic and response serial number relationship calculate network delay between client and server-side and
Response time;
The actual bandwidth of network application is calculated according to the two-way data transmit-receive packet quantity of the TCP flow of statistics and bit rate;
It may determine that TCP whether there is packet loss and out of order situation according to the packet serial number relationship in TCP flow.
5. according to the method described in claim 1, it is characterized in that, the TCP flow characteristic is output to described in step 3
Third-party data platform includes:
The TCP flow characteristic is stored according to period regular hour in a manner of daily record text file;Work as daily record
When the capacity of text file reaches preset upper limit capacity, the daily record text file is transmitted to third party's data platform;
Third party's data platform is by analyzing TCP flow characteristic using modeling.
6. a kind of network TCP flow amount processing unit, which is characterized in that including:
Determination unit, for determining TCP flow;
Acquiring unit, for obtaining TCP flow characteristic according to determining TCP flow;
Processing unit, for carrying out diagnostic analysis to TCP flow amount according to the TCP flow characteristic, and by the TCP flow feature
Data are output to third party's data platform;
The TCP flow characteristic includes following field:Time started, duration, agreement, application type, source IP, source port
Number, destination IP, destination slogan, send that most parcel is long, sends that maximum packet is long, sends that average packet is long, it is long to receive most parcel, receives
Maximum packet is long, the average packet of reception is long, sends packet number, receiver packet number, transmission byte number, receives byte number, transmission rate, receives speed
Rate, longest send response, most short transmission response, averagely send response, longest reception response, most short receptor response, average received
Response sends re-transmission, reception re-transmission, settling time, sends SACK, receive SACK, TCP state, send first packet load, reception head
Packet load, bit rate, packet serial number, response serial number.
7. network TCP flow amount processing unit according to claim 6, which is characterized in that the determination side of the determination unit
Method is:Using the handshake of TCP as the starting of a TCP flow, the Connection Time of TCP flow is calculated, is made with the FIN of TCP or RST
For the termination of a TCP flow, then the protocol header feature of TCP/IP uniquely determines a TCP flow.
8. network TCP flow amount processing unit according to claim 6, which is characterized in that the processing unit includes:
First processing units:For calculating client and clothes with response serial number relationship according to the packet serial number in TCP flow characteristic
Network delay between business end and response time;
Second processing unit, for calculating network application according to the two-way data transmit-receive packet quantity of the TCP flow of statistics and bit rate
Actual bandwidth;
Third processing unit, for may determine that TCP whether there is packet loss and out of order feelings according to the packet serial number relationship in TCP flow
Condition.
9. network TCP flow amount processing unit according to claim 6, which is characterized in that the processing unit includes storage
Transmission unit;
The storage transmission unit is used for the TCP flow characteristic according to period regular hour with daily record text file
Mode is stored;When the capacity of daily record text file reaches preset upper limit capacity, the daily record text file is transmitted to
Third party's data platform;
Third party's data platform is by analyzing TCP flow characteristic using modeling.
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| CN201810731643.1A CN108696450A (en) | 2018-07-05 | 2018-07-05 | A kind of network TCP flow amount processing method and its device |
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Application publication date: 20181023 |