CN108111365A - A kind of latency measurement processing method and system - Google Patents
A kind of latency measurement processing method and system Download PDFInfo
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- CN108111365A CN108111365A CN201611060229.XA CN201611060229A CN108111365A CN 108111365 A CN108111365 A CN 108111365A CN 201611060229 A CN201611060229 A CN 201611060229A CN 108111365 A CN108111365 A CN 108111365A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
- H04L43/106—Active monitoring, e.g. heartbeat, ping or trace-route using time related information in packets, e.g. by adding timestamps
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Abstract
The embodiment of the present invention provides a kind of latency measurement processing method and system.The described method includes：Transmitting terminal sends the first measured message for carrying stamp at the first time；Reflection end receives first measured message and generates the second timestamp simultaneously, and returns to the second measured message that is corresponding with first measured message, carrying second timestamp and the 3rd timestamp to the transmitting terminal；Transmitting terminal receives second measured message and generates the 4th timestamp simultaneously, and the time delay between the transmitting terminal and the reflection end is calculated according to first time stamp, second timestamp, the 3rd timestamp and the 4th timestamp, wherein, stamp includes NTP timestamps or PTP timestamps at the first time, and the type of the second timestamp, the 3rd timestamp and the 4th timestamp is identical with the type of first time stamp.The system is used to perform the above method.Latency measurement processing method and system provided by the invention improve the precision and adaptability that one-way delay measurement is carried out by TWAMP agreements.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of latency measurement processing methods and system.
Background technology
With the development of mobile service IPization and the demand of LTE service bearers, for the business net end to end of IPization
The demand of network performance test is more and more strong, and IP packet transfer latency is an important parameter of applied in network performance test, therefore, in network
It is also higher and higher for the precise requirements of latency measurement during performance test.
Under the conditions of the prior art, two-way active measurement agreement (Two-way Active Measurement Protocol,
TWAMP) since its disposition flexibility is widely used in IP network performance test, TWAMP agreements are surveyed with active measurement method
One group of agreement of the two-way network delay of IP operation end to end is measured, is divided into standard full dose TWAMP agreements (TWAMP Full) and light
Two kinds of magnitude TWAMP agreements (TWAMP Light), standard full dose TWAMP agreements (TWAMP Full) include TWAMP-Control
Agreement and TWAMP-Test agreements, lightweight TWAMP agreements (TWAMP Light) include TWAMP-Test agreements.TWAMP agreements
It carries out needing to rely on one-way time simultaneous techniques during one-way delay measurement, the prior art passes through the TWAMP- in TWAMP agreements
The corresponding timestamp of NTP Time synchronization techniques is introduced in Test messages and carries out one-way delay measurement, but due to NTP time synchronizations
The latency measurement precision of technology normally only can reach 0.1ms, and special for the higher partial virtual of latency measurement precision
It can not be applied in network (Virtual Private Network, abbreviation VPN), therefore One Way Delay is carried out by TWAMP agreements
The measurement accuracy and adaptability of measurement are restricted.
Therefore, how to improve through the precision and adaptability problem of TWAMP agreements progress one-way delay measurement is current industry
Boundary it is urgently to be resolved hurrily need problem.
The content of the invention
For in the prior art the defects of, the embodiment of the present invention provides a kind of latency measurement processing method and system.
On the one hand, the embodiment of the present invention provides a kind of latency measurement processing method, including：
Transmitting terminal sends the first measured message for carrying stamp at the first time；The first time stamp records the transmitting terminal hair
Send the time of first measured message；
Reflection end receives first measured message and generates the second timestamp simultaneously, and to the transmitting terminal return with it is described
First measured message is corresponding, carries the second measured message of second timestamp and the 3rd timestamp；Wherein, described second
Timestamp records the time that the reflection end receives first measured message, and the 3rd timestamp records the reflection end and returns
Return the time of second measured message；
The transmitting terminal receives second measured message and generates the 4th timestamp simultaneously, and according to the first time
Stamp, second timestamp, the 3rd timestamp and the 4th timestamp calculate the transmitting terminal and the reflection end it
Between time delay；4th timestamp records the time that the transmitting terminal receives second measured message；
Wherein, first time stamp includes NTP timestamps or PTP timestamps, second timestamp, it is described 3rd when
Between stamp and the 4th timestamp type it is identical with the type that the first time stabs.
On the other hand, the embodiment of the present invention provides a kind of latency measurement processing system, including：
Transmitting terminal, for sending the first measured message of carrying first time stamp and receiving reflection end returns and institute
It states the second measured message of corresponding the first measured message, the second timestamp of carrying and the 3rd timestamp while generated for the 4th time
Stamp, and according to calculating first time stamp, second timestamp, the 3rd timestamp and the 4th timestamp
Time delay between transmitting terminal and the reflection end；
Reflection end for receiving first measured message while generating the second timestamp, and is returned to the transmitting terminal
The second measured message that is corresponding with first measured message, carrying second timestamp and the 3rd timestamp；Its
In,
Wherein, the first time stamp is recorded the time that the transmitting terminal sends first measured message, and described second
Timestamp records the time that the reflection end receives first measured message, and the 3rd timestamp records the reflection end and returns
Return the time of second measured message, the 4th timestamp record the transmitting terminal receive second measured message when
Between；First time stamp includes NTP timestamps or PTP timestamps, second timestamp, the 3rd timestamp and described
The type of 4th timestamp is identical with the type that the first time stabs.
Latency measurement processing method and system provided in an embodiment of the present invention are drawn in the measured message by TWAMP agreements
Enter PTP timestamps, and define form of the PTP timestamps in the measured message, transmitting terminal, which is sent, to be carried at the first time
First measured message of stamp；Reflection end receives first measured message and generates the second timestamp simultaneously, and to the transmitting terminal
Return to the second measured message that is corresponding with first measured message, carrying the second timestamp and the 3rd timestamp；Transmitting terminal
It receives second measured message while generates the 4th timestamp, and according to stamp at the first time, second timestamp, described the
Three timestamps and the 4th timestamp calculate the time delay between the transmitting terminal and the reflection end, improve and pass through TWAMP
Agreement carries out the precision and adaptability of one-way delay measurement.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram of latency measurement processing method provided in an embodiment of the present invention；
Fig. 2 is the first measured message and the second measured message for the carrying PTP timestamps that one embodiment of the invention provides
Schematic diagram；
Fig. 3 is the schematic diagram of control message provided in an embodiment of the present invention；
Fig. 4 is the first measured message and the second measured message for the carrying PTP timestamps that another embodiment of the present invention provides
Schematic diagram；
Fig. 5 is the structure diagram for the latency measurement processing system that one embodiment of the invention provides；
Fig. 6 is the structure diagram for the latency measurement processing system that another embodiment of the present invention provides；
Fig. 7 is the structure diagram for the latency measurement processing system that further embodiment of this invention provides；
Fig. 8 is the entity structure schematic diagram of transmitting end equipment provided in an embodiment of the present invention；
Fig. 9 is the entity structure schematic diagram of reflection end equipment provided in an embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment be the present invention
Part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
All other embodiments obtained under the premise of creative work are made, belong to the scope of protection of the invention.
Fig. 1 is the flow diagram of latency measurement processing method provided in an embodiment of the present invention, as shown in Figure 1, this implementation
Example provides a kind of latency measurement processing method, including：
S1, transmitting terminal send the first measured message for carrying stamp at the first time；The first time stamp is described for recording
Transmitting terminal sends the time of first measured message；
Specifically, the transmitting terminal sends the first measured message to reflection end, when first measured message carries first
Between stab, first time stamp is for recording the time that the transmitting terminal sends first measured message.
S2, reflection end receive first measured message and generate the second timestamp simultaneously, and to the transmitting terminal return with
First measured message is corresponding, carries the second measured message of second timestamp and the 3rd timestamp；Wherein, it is described
Second timestamp is used to record the time that the reflection end receives first measured message, and the 3rd timestamp is used to record
The reflection end returns to the time of second measured message；
Specifically, the reflection end receives the first measured message of the carrying first time stamp that the transmitting terminal is sent
Second timestamp identical with the type of first time stamp of generation simultaneously, second timestamp are used to record the reflection
Termination receives the time of first measured message；Reflection end returns corresponding with first measured message to the transmitting terminal
, the second measured message of carrying second timestamp identical with the type of first time stamp and the 3rd timestamp,
3rd timestamp is used to record the time that the reflection end returns to second measured message.It is it is understood that described
First measured message and second measured message are that the transmitting terminal and the reflection end are consulted to determine in advance.
S3, transmitting terminal receive second measured message and generate the 4th timestamp simultaneously, and stabbed according to the first time,
Second timestamp, the 3rd timestamp and the 4th timestamp are calculated between the transmitting terminal and the reflection end
Time delay；4th timestamp is used to record the time that the transmitting terminal receives second measured message；
Wherein, first time stamp includes NTP timestamps or PTP timestamps, second timestamp, it is described 3rd when
Between stamp and the 4th timestamp type it is identical with the type that the first time stabs.
Specifically, transmitting terminal receives second measured message that the reflection end returns and generates the 4th timestamp simultaneously,
4th timestamp records the time that the transmitting terminal receives second measured message；Transmitting terminal is according to transmitted institute
State the second timestamp that the first time stamp of the first measured message carrying carries with second measured message that receives and the
Three timestamps and the 4th timestamp of generation, calculate the time delay between the transmitting terminal and the reflection end.Wherein, described
One timestamp can be NTP timestamps or PTP timestamps, second timestamp, the 3rd timestamp and described
The type of 4th timestamp is identical with the type that the first time stabs.If it is understood that first time stamp is PTP
Timestamp, then the PTP timestamps introduce in the first measured message and second measured message in advance, and define
Form of the PTP timestamps in first measured message and second measured message, so that the transmitting terminal energy
It is enough to send first measured message for carrying the PTP timestamps and receiving the second measurement report of the reflection end return
The 4th timestamp of same type is generated after text, while reflection end can receive, handle first measured message and generation
Second timestamp of same type, and the second of the second timestamp for carrying same type and the 3rd timestamp can be returned and surveyed
Measure message.
For example, since 1588V2 Time synchronization techniques generally can reach the precision within μ s for latency measurement, during with NTP
Between synchronous in comparison latency measurement precision higher, by 1588V2 Time synchronization techniques be applied to TWAMP agreements carry out it is unidirectional
The precision of latency measurement can be improved during latency measurement, the corresponding timestamp type of 1588V2 Time synchronization techniques is
PTP timestamps.Fig. 2 is the first measured message and the second measured message for the carrying PTP timestamps that one embodiment of the invention provides
Schematic diagram, as shown in Fig. 2, introducing PTP timestamps in the measured message of TWAMP agreements, and define the PTP timestamps in institute
State the form in measured message.The transmitting terminal sends the first measured message 201, first measured message 201 to reflection end
It carries and stabs at the first time, the first time stamp is PTP time stamp Ts1, the PTP time stamp Ts1Represent the transmitting terminal transmitting institute
State the time of the first measured message 201；Reflection end receives first measured message 201, and generates the second timestamp, and described the
Two timestamps are PTP time stamp Ts2, the PTP time stamp Ts2Represent that the reflection end receives first measured message 201
Time；Reflection end returns to, carrying second timestamp corresponding with first measured message 201 and the to the transmitting terminal
Second measured message 202 of three timestamps, the 3rd timestamp are PTP time stamp Ts3, the PTP time stamp Ts3For representing
The reflection end sends the time of second measured message 202；Transmitting terminal receives second measured message 202 and generates the
Four timestamps, the 4th timestamp are PTP time stamp Ts4, the PTP time stamp Ts4Represent that the transmitting terminal receives described
The time of two measured messages 202.Transmitting terminal passes through Tdelay=[(T2-T1)+(T4-T3)]/2 calculate the transmitting terminal with it is described anti-
The time delay between end is penetrated, wherein, TdelayFor the time delay between the transmitting terminal and the reflection end.
Latency measurement processing method provided in an embodiment of the present invention, by the measured message of TWAMP agreements introduce PTP when
Between stab, and define form of the PTP timestamps in the measured message, transmitting terminal, which is sent, carries the first of stamp at the first time
Measured message；Reflection end receive first measured message generate simultaneously the second timestamp and to the transmitting terminal return with it is described
First measured message is corresponding, carries the second measured message of the second timestamp and the 3rd timestamp；Transmitting terminal receives described the
Two measured messages simultaneously generate the 4th timestamp and according to first time stamp, second timestamp, the 3rd timestamp and
4th timestamp calculates the time delay between the transmitting terminal and the reflection end, improves when carrying out unidirectional by TWAMP agreements
Prolong the precision and adaptability of measurement.
On the basis of above-described embodiment, further, the method further includes：
The transmitting terminal receives the first control instruction that control terminal is sent, when first control instruction includes described first
Between stamp and the 4th timestamp type；
The reflection end receives the second control instruction that the control terminal is sent, and second control instruction includes described the
The type of two timestamps and the 3rd timestamp；
Wherein, the type of the first time stamp and the 4th timestamp and second timestamp and the described 3rd
The type of timestamp is the first mark that the control terminal is carried according to the control message received, being used to indicate timestamp type
Know what information determined.
Specifically, TWAMP agreements are divided into standard full dose TWAMP agreements (TWAMP Full) and lightweight TWAMP agreements
Two kinds of (TWAMP Light), standard full dose TWAMP agreements (TWAMP Full) include control protocol (TWAMP-Control) and
Measurement agreement (TWAMP-Test), wherein, TWAMP-Control agreements are primarily used for establishing measurement meeting between measuring node
Words, the parameter (such as communication pattern, time of measuring etc.) of consulting session, measure session beginning and termination and obtain measurement knot
Fruit；TWAMP-Test agreements are used to measure the interaction of message between measuring node.It is established in TWAMP-Control agreements
Connection between measuring node, and notify transmitting terminal and after reflection end starts measurement, transmitting terminal and reflection end will be received and dispatched accordingly
Measured message (TWAMP-Test), collect IP layers of performance data.Control terminal receives the control message that server is sent, the control
Message processed is used to indicate the first time stamp and the 4th timestamp and second timestamp and described described in carrying
The first flag information of the type of 3rd timestamp, the control terminal determine the 4th time according to the first flag information
The second time that the type and second measured message for the first time stamp that stamp and first measured message carry carry
The type of stamp and the 3rd timestamp；The control terminal sends the first control instruction so that the transmitting to the transmitting terminal
End sends the first measured message of the first time stamp for carrying respective type and in receive that the reflection end returns the
The 4th timestamp of respective type is generated after two measured messages；The control terminal sends the second control to the reflection end and refers to
Order is so that the reflection end returns to the second measurement of second timestamp for carrying respective type and the 3rd timestamp
Message.It is understood that the corresponding first flag information of different types of timestamp is different.
In the above-described embodiments, the first flag information be it is described control message criteria field in add, with
The first time stabs tagged word corresponding with the 4th timestamp and second timestamp and the 3rd timestamp
Section.
Specifically, can by the criteria field of the control message addition for identify first time stamp and
The feature field of 4th timestamp and the type of second timestamp and the 3rd timestamp is as described first
Identification information can also set the first flag information, be not specifically limited herein by other means.It is appreciated that
Be carry the first flag information the control message be between the server and the control terminal in advance consult determine
's.
For example, Fig. 3 is the schematic diagram of control message provided in an embodiment of the present invention, as shown in figure 3, control terminal receives service
What device was sent controls message as greeting PDU messages, the bit15 of the criteria field Mode of the greeting PDU messages
To be used to identifying the first time stamp and the 4th timestamp and second timestamp and the 3rd timestamp
The feature field of type.Table 1 is the criteria field Mode of the greeting PDU messages, as shown in table 1, what server was sent
When the bit15 of the criteria field Mode of message 301 being controlled to be 1, the criteria field Mode of control terminal parsing control message 301, really
What the first time stamp and second measured message that fixed 4th timestamp and first measured message carry carried
The type of second timestamp and the 3rd timestamp is PTP timestamps, and the control terminal is returned to the server and institute
The control corresponding response message 302 of message is stated, the response message 302 is also greeting PDU messages；The control terminal to
The transmitting terminal sends the first control instruction so that the transmitting terminal sends the first measured message for carrying and stabbing at the first time simultaneously
Generate the 4th timestamp when receiving the second measured message that the reflection end returns, the first time stamp and described
4th timestamp is PTP timestamps；The control terminal sends the second control instruction so that the reflection to the reflection end
End carries second timestamp and described receiving first measured message and generate second timestamp and returning simultaneously
Second measured message of the 3rd timestamp, second timestamp and the 3rd timestamp are also PTP timestamps.It is appreciated that
If the bit15 that control terminal parses the criteria field Mode of the greeting PDU messages is 0, it is determined that described
Stamp and the 4th timestamp and second timestamp and the 3rd timestamp are NTP timestamps at the first time, accordingly
Ground, the control terminal send the first control instruction so that the transmitting terminal, which is sent, carries what is stabbed at the first time to the transmitting terminal
First measured message simultaneously generates the 4th timestamp when receiving the second measured message that the reflection end returns, and described the
One timestamp and the 4th timestamp are NTP timestamps；The control terminal sends the second control instruction to the reflection end
So that the reflection end, which generates second timestamp when receiving first measured message and returns, carries described the
Second measured message of two timestamps and the 3rd timestamp, second timestamp and the 3rd timestamp are also NTP
Timestamp.
Table 1
Latency measurement processing method provided in an embodiment of the present invention is used for by being added in the criteria field of control message
The type for the timestamp that the measured message that the feature field of identified time stamp type defines TWAMP agreements carries, and to transmitting terminal
Control instruction is sent respectively with reflection end, and transmitting terminal and reflection end, which send according to control instruction, receive and handle, carries respective class
The measured message of the timestamp of type, according to the timestamp carry out latency measurement, improve by TWAMP agreements carry out it is unidirectional when
Prolong the precision and adaptability of measurement.
On the basis of above-described embodiment, further, in first measured message carry and be used to indicate described first
The second identifier information of the type of timestamp, correspondingly, the method further includes：
The reflection end parses the first time stamp of the first measured message carrying according to the second identifier information
Type；
The type that the reflection end is stabbed according to the first time is generated described in corresponding second timestamp and carrying
Second measured message of the second timestamp and the 3rd timestamp..
Specifically, lightweight TWAMP agreements (TWAMP Light) are simplified version TWAMP agreements, in standard full dose TWAMP
TWAMP-Control agreements are simplified on the basis of agreement, that is, does not have to intercommunication TWAMP-Control between detection node and assists
Message is discussed, only carries out the interaction of TWAMP-Test protocol massages, it is therefore desirable in the first measured message that the transmitting terminal is sent
Middle setting is used to indicate the second identifier information of the type of the first time stamp；Correspondingly, the reflection end is receiving
After stating the first measured message, parsing is carried out to second identifier information entrained in first measured message and obtains described the
The type for the first time stamp that one measured message carries, the of the type generation same type then stabbed according to the first time
Two timestamps and the second measured message for carrying second timestamp and the 3rd timestamp of same type, and by described the
Two measured messages return to the transmitting terminal.It is understood that the corresponding second identifier letter of different types of timestamp
Breath is different.
In the above-described embodiments, the second identifier information is to be set in the preset byte of first measured message
, with the first time corresponding attribute byte of stamp.
It specifically, can be by setting to identify the first time in the preset byte of first measured message
The attribute byte of the type of stamp can also set the second identifier to believe by other means as the second identifier information
Breath, is not specifically limited herein.It is understood that the second identifier information is between the transmitting terminal and the reflection end
Consult what is determined in advance.
For example, the first measured message and the second measurement of the carrying PTP timestamps that Fig. 4, which is another embodiment of the present invention, to be provided
The schematic diagram of message, as shown in figure 4, the first measured message 401 and the second of reflection end return that the transmitting terminal is sent
The first character section bit0 of Padding in measured message 402 is provided for identifying first measured message and described
The attribute byte of timestamp type entrained by two measured messages.Table 2 is the Padding bytes, as shown in table 1, transmitting terminal
Send the first measured message 401, it is when the first character section bit0 of Padding is 1 in first measured message 401, then described
The first time stamp that first measured message 401 carries is PTP timestamps；The reflection end receives first measured message 401,
The first character section bit0 for extracting the Padding bytes of first measured message 401 parses the transmitting terminal is sent first
The type for the first time stamp that measured message 401 carries is PTP timestamps, then the reflection end generates corresponding second timestamp
It is reported with corresponding the second measurement for carrying second timestamp and the 3rd timestamp of first measured message 401
Text 402, and second measured message 402 is back to the transmitting terminal, the Padding words of second measured message 402
The first character section bit0 of section is also 1, that is, second timestamp and the 3rd timestamp are also PTP timestamps.Hair
It penetrates end and receives second measured message 402, extract the first character section of Padding bytes in second measured message 402
Bit0 parses second timestamp of the carrying of the second measured message 402 and the type of the 3rd timestamp, if judging
Know that second timestamp and the 3rd timestamp are consistent with the type that the first time stabs, then generation is corresponding described
4th timestamp, the 4th timestamp also for PTP timestamps, and according to first time stamp and the 4th timestamp with
And second timestamp and the 3rd timestamp calculate the time delay between the transmitting terminal and the reflection end；If differ
It causes, then the transmitting terminal shows to indicate the information warning of mistake.If it is understood that described the first of transmitting terminal transmission
The first character section bit0 of Padding bytes is 0 in measured message 401, then first measured message 401 carry first when
Between stamp for NTP timestamps；Correspondingly, the reflection end receives first measured message 401, extracts first measured message
The first character section bit0 of 401 Padding bytes parses first that the first measured message 401 that the transmitting terminal is sent carries
The type of timestamp is NTP timestamps, then the reflection end generate corresponding second timestamp and with first measured message
Second measured message 402 of 401 corresponding carrying second timestamps and the 3rd timestamp, and described second is surveyed
Amount message 402 is back to the transmitting terminal, the first character section bit0 of the Padding bytes of second measured message 402
For 0, that is, second timestamp and the 3rd timestamp are also NTP timestamps.
Table 2
Latency measurement processing method provided in an embodiment of the present invention, passes through the standard word of the measured message in TWAMP agreements
Addition defines the type of entrained timestamp, transmitting terminal and reflection end point for the feature field of identified time stamp type in section
The measured message for the timestamp for carrying respective type Fa Song, be received and handled, latency measurement is carried out according to the timestamp, is carried
The high precision and adaptability that one-way delay measurement is carried out by TWAMP agreements.
Fig. 5 is the structure diagram of latency measurement processing system provided in an embodiment of the present invention, as shown in figure 5, of the invention
Embodiment provides a kind of latency measurement processing system, including：Transmitting terminal 501 and reflection end 502, wherein：
Transmitting terminal 501 returns for sending to carry the first measured message of stamp at the first time and receive reflection end 502
, the second measured message corresponding with first measured message, carrying the second timestamp and the 3rd timestamp generates simultaneously
4th timestamp and according to first time stamp, second timestamp, the 3rd timestamp and the 4th timestamp
Calculate the time delay between transmitting terminal 501 and reflection end 502；Reflection end 502 generates simultaneously for receiving first measured message
Second timestamp, and return to, carrying second timestamp corresponding with first measured message and described to transmitting terminal 501
Second measured message of the 3rd timestamp；Wherein, the first time stamp sends first survey for recording the transmitting terminal
It measures the time of message, second timestamp is used to record the time that the reflection end receives first measured message, institute
The 3rd timestamp is stated for recording the time that the reflection end returns to second measured message, the 4th timestamp is used to remember
Record the time that the transmitting terminal receives second measured message；The first time stamp includes NTP timestamps or PTP times
Stamp, the type of second timestamp, the 3rd timestamp and the 4th timestamp and the type of first time stamp
It is identical.
Specifically, transmitting terminal 501 sends the first measured message to reflection end 502, and first measured message carries first
Timestamp, the first time stab to record the time that the transmitting terminal sends first measured message.Reflection end 502 connects
It receives the first measured message of the carrying first time stamp that the transmitting terminal 501 is sent while generates the second timestamp, it is described
Second timestamp is used to record the time that the reflection end receives first measured message；Reflection end 502 is to transmitting terminal 501
It returns corresponding with first measured message, carries and stab identical second timestamp of type and the with the first time
Second measured message of three timestamps, the 3rd timestamp are used to record the reflection end return second measured message
Time.Transmitting terminal 501 receives second measured message that reflection end 502 returns while generates the 4th timestamp, and the described 4th
Timestamp records the time that the transmitting terminal receives second measured message；Transmitting terminal 501 is according to transmitted described
When the first time that one measured message carries stabs the second timestamp carried with second measured message received and the 3rd
Between stamp and generation the 4th timestamp, calculate the time delay between the transmitting terminal and the reflection end 502.Wherein, described
One timestamp can be NTP timestamps or PTP timestamps, second timestamp, the 3rd timestamp and described
The type of 4th timestamp is identical with the type that the first time stabs.If it is understood that first time stamp is PTP
Timestamp, then the PTP timestamps introduce in the first measured message and second measured message in advance, and define
Form of the PTP timestamps in first measured message and second measured message, so that described in transmitting terminal 501
First measured message for carrying the PTP timestamps can be sent and receiving the second measurement of the reflection end return
After message generate same type the 4th timestamp, while reflection end 502 can receive and handle first measured message and
The second timestamp of same type is generated, and the of the second timestamp for carrying same type and the 3rd timestamp can be returned
Two measured messages.It should be noted that first measured message and second measured message are transmitting terminal 501 and reflection end
502 consult what is determined in advance.
Latency measurement processing system provided in an embodiment of the present invention, by the measured message of TWAMP agreements introduce PTP when
Between stab, and define form of the PTP timestamps in the measured message, transmitting terminal, which is sent, carries the first of stamp at the first time
Measured message；Reflection end receive first measured message generate simultaneously the second timestamp and to the transmitting terminal return with it is described
First measured message is corresponding, carries the second measured message of the second timestamp and the 3rd timestamp；Transmitting terminal receives described the
Two measured messages generate the 4th timestamp simultaneously, and according to stamp, the second timestamp, the 3rd timestamp and the 4th time at the first time
Stamp calculates the time delay between the transmitting terminal and the reflection end, improves and carries out one-way delay measurement by TWAMP agreements
Precision and adaptability.
Fig. 6 is the structure diagram for the latency measurement processing system that another embodiment of the present invention provides, as shown in fig. 6, institute
System is stated on the basis of transmitting terminal 601 and reflection end 602, further includes control terminal 603, the transmitting terminal 601 and reflection end 602
It is consistent with reflection end 502 with the transmitting terminal 501 in above-described embodiment, wherein：
Control terminal 603 controls message for receiving；The control message carrying is used to indicate the first time stamp and institute
State the first flag information of the 4th timestamp and the type of second timestamp and the 3rd timestamp；According to described
One identification information determines the first time stamp and the 4th timestamp and second timestamp and the 3rd time
The type of stamp；The first control that the type for including the first time stamp and the 4th timestamp is sent to transmitting terminal 601 refers to
It makes, and the second control instruction of the type for including second timestamp and the 3rd timestamp is sent to reflection end 602.
Specifically, in the case of standard full dose TWAMP agreements carry out latency measurement, control terminal 603 receives server hair
The control message sent, described control are used to indicate the first time stamp and the 4th timestamp and institute described in message carrying
The first flag information of the type of the second timestamp and the 3rd timestamp is stated, the control terminal 603 is according to the described first mark
Know information and determine the first time stamp of the 4th timestamp and first measured message carrying and the second measurement report
The second timestamp and the type of the 3rd timestamp that text carries；Control terminal 603 sends the first control instruction to transmitting terminal 601
So that transmitting terminal 601 sends the first measured message of the first time stamp for carrying respective type and described anti-receiving
The 4th timestamp of respective type is generated when penetrating the second measured message that end returns；Control terminal 603 is sent to reflection end 602
Second control instruction is so that reflection end 602 generates second timestamp when receiving first measured message, and returns
Return the second measured message of second timestamp and the 3rd timestamp that carry respective type.It is understood that not
The corresponding first flag information of timestamp of same type is different.
Latency measurement processing system provided in an embodiment of the present invention is used for by being added in the criteria field of control message
The type for the timestamp that the measured message that the feature field of identified time stamp type defines TWAMP agreements carries, and to transmitting terminal
Control instruction is sent respectively with reflection end, and transmitting terminal and reflection end, which send according to control instruction, receive and handle, carries respective class
The measured message of the timestamp of type, according to the timestamp carry out latency measurement, improve by TWAMP agreements carry out it is unidirectional when
Prolong the precision and adaptability of measurement.
Fig. 7 is the structure diagram for the latency measurement processing system that further embodiment of this invention provides, as shown in fig. 7,
On the basis of above-described embodiment, the class for being used to indicate the first time stamp further, in first measured message is carried
The second identifier information of type, correspondingly, the system comprises transmitting terminal 701 and reflection end 702, wherein, the transmitting terminal 701 with
Transmitting terminal 501 in above-described embodiment is consistent, and the reflection end 702 further includes resolution unit 703 and processing unit 704, wherein：
Resolution unit 703 is used for the first time for parsing first measured message according to the second identifier information and carrying
The type of stamp；Corresponding second timestamp of type generation and carry institute that processing unit 704 is stabbed according to the first time
State the second measured message of the second timestamp and the 3rd timestamp.
Specifically, lightweight TWAMP agreements (TWAMP Light) are simplified version TWAMP agreements, in standard full dose TWAMP
TWAMP-Control agreements are simplified on the basis of agreement, that is, does not have to intercommunication TWAMP-Control between detection node and assists
Message is discussed, only carries out the interaction of TWAMP-Test protocol massages, it is therefore desirable in the first measured message sent in transmitting terminal 701
The second identifier information for the type for being used to indicate the first time stamp is set；Correspondingly, reflection end 702 is receiving described
After one measured message, resolution unit 703 carries out parsing to second identifier information entrained in first measured message and obtains
The type for the first time stamp that first measured message carries is obtained, then processing unit 704 is stabbed according to the first time
Second timestamp of type generation same type and carry the of second timestamp and the 3rd timestamp of same type
Two measured messages, and second measured message is returned into transmitting terminal 701.It is understood that different types of timestamp
The corresponding second identifier information is different.
Latency measurement processing system provided in an embodiment of the present invention, passes through the standard word of the measured message in TWAMP agreements
Addition defines the type of entrained timestamp, transmitting terminal and reflection end point for the feature field of identified time stamp type in section
The measured message for the timestamp for carrying respective type Fa Song, be received and handled, latency measurement is carried out according to the timestamp, is carried
The high precision and adaptability that one-way delay measurement is carried out by TWAMP agreements.
The embodiment of offer system of the present invention specifically can be used for the process flow for performing above-mentioned each method embodiment, work(
Details are not described herein for energy, is referred to the detailed description of above method embodiment.
Fig. 8 is the entity structure schematic diagram of transmitting end equipment provided in an embodiment of the present invention, as shown in figure 8, the present invention is real
The transmitting end equipment of example offer is provided, including：Processor (processor) 801, memory (memory) 802 and bus
803；
Wherein,
The processor 801, memory 802 complete mutual communication by the bus 803；
The processor 801 is used to call the program instruction in the memory 802, to perform above-mentioned each method embodiment
The method provided, such as including：Send carry at the first time stamp the first measured message and receive reflection end return,
Second measured message of, carrying second timestamp corresponding with first measured message and the 3rd timestamp generates the 4th simultaneously
Timestamp, and calculated according to first time stamp, second timestamp, the 3rd timestamp and the 4th timestamp
Time delay between transmitting terminal and reflection end；Wherein, the first time stamp sends first survey for recording the transmitting terminal
It measures the time of message, second timestamp is used to record the time that the reflection end receives first measured message, institute
The 3rd timestamp is stated for recording the time that the reflection end returns to second measured message, the 4th timestamp is used to remember
Record the time that the transmitting terminal receives second measured message；The first time stamp includes NTP timestamps or PTP times
Stamp；The type of second timestamp, the 3rd timestamp and the 4th timestamp and the type of first time stamp
It is identical.
The embodiment of the present invention discloses a kind of computer program product, and the computer program product includes being stored in non-transient
Computer program on computer readable storage medium, the computer program include program instruction, when described program instructs quilt
When computer performs, computer is able to carry out the method that above-mentioned each method embodiment is provided, such as including：It sends and carries first
First measured message of timestamp and when receiving that reflection end returns, corresponding with first measured message, carrying second
Between the second measured message of stamp and the 3rd timestamp generate the 4th timestamp simultaneously, and according to first time stamp, described the
Two timestamps, the 3rd timestamp and the 4th timestamp calculate the time delay between transmitting terminal and reflection end；Wherein, it is described
For recording the time that the transmitting terminal sends first measured message, second timestamp is used to record stamp at the first time
The reflection end receives the time of first measured message, and the 3rd timestamp returns to institute for recording the reflection end
The time of the second measured message is stated, the 4th timestamp receives second measured message for recording the transmitting terminal
Time；The first time stamp includes NTP timestamps or PTP timestamps, second timestamp, the 3rd timestamp and institute
The type for stating the 4th timestamp is identical with the type that the first time stabs.
The present embodiment provides a kind of non-transient computer readable storage medium storing program for executing, the non-transient computer readable storage medium storing program for executing
Computer instruction is stored, the computer instruction makes the computer perform the method that above-mentioned each method embodiment is provided, example
Such as include：Send carry at the first time stamp the first measured message and receive reflection end return, with described first measurement report
Text is corresponding, carry the second timestamp and the second measured message of the 3rd timestamp generates the 4th timestamp simultaneously, and according to institute
It states stamp, second timestamp, the 3rd timestamp and the 4th timestamp at the first time and calculates transmitting terminal and reflection end
Between time delay；Wherein, the first time stabs to record the time that the transmitting terminal sends first measured message, institute
The second timestamp is stated for recording the time that the reflection end receives first measured message, the 3rd timestamp is used for
The time that the reflection end returns to second measured message is recorded, the 4th timestamp receives for recording the transmitting terminal
To the time of second measured message；The first time stamp includes NTP timestamps or PTP timestamps, second time
The type of stamp, the 3rd timestamp and the 4th timestamp is identical with the type that the first time stabs.
Fig. 9 is the entity structure schematic diagram of reflection end equipment provided in an embodiment of the present invention, as shown in figure 9, the present invention is real
The reflection end equipment of example offer is provided, including：Processor (processor) 901, memory (memory) 902 and bus
903；
Wherein,
The processor 901, memory 902 complete mutual communication by the bus 903；
The processor 901 is used to call the program instruction in the memory 902, to perform above-mentioned each method embodiment
The method provided, such as including：The first measured message for receiving carrying that transmitting terminal is sent stamp at the first time generates the simultaneously
Two timestamps, and return to, carrying second timestamp and described threeth corresponding with first measured message to transmitting terminal
Second measured message of timestamp；Wherein, the first time stamp sends the first measurement report for recording the transmitting terminal
The time of text, second timestamp are used to recording the time that the reflection end receives first measured message, and the described 3rd
Timestamp is used to record the time that the reflection end returns to second measured message, and the 4th timestamp is described for recording
Transmitting terminal receives the time of second measured message；The first time stamp includes NTP timestamps or PTP timestamps；Institute
The type for stating the second timestamp, the 3rd timestamp and the 4th timestamp is identical with the type that the first time stabs.
The embodiment of the present invention discloses a kind of computer program product, and the computer program product includes being stored in non-transient
Computer program on computer readable storage medium, the computer program include program instruction, when described program instructs quilt
When computer performs, computer is able to carry out the method that above-mentioned each method embodiment is provided, such as including：Receive transmitting terminal hair
The carrying sent the first measured message of stamp while the second timestamp of generation, and return to transmitting terminal and surveyed with described first at the first time
Measure the second measured message of corresponding message, carrying second timestamp and the 3rd timestamp；Wherein, the first time stamp
For recording the time that the transmitting terminal sends first measured message, second timestamp is used to record the reflection end
The time of first measured message is received, the 3rd timestamp returns to second measurement for recording the reflection end
The time of message, the 4th timestamp are used to record the time that the transmitting terminal receives second measured message；It is described
Stamp includes NTP timestamps or PTP timestamps at the first time；Second timestamp, the 3rd timestamp and it is described 4th when
Between the type stabbed it is identical with the type that the first time stabs.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium storing program for executing, the non-transient computer readable storage
Medium storing computer instructs, and the computer instruction makes the computer perform the side that above-mentioned each method embodiment is provided
Method, such as including：It receives the first measured message that the carrying that transmitting terminal is sent is stabbed at the first time and generates the second timestamp simultaneously, and
The second measurement that is corresponding with first measured message, carrying second timestamp and the 3rd timestamp is returned to transmitting terminal
Message；Wherein, first time stamp is for recording the time that the transmitting terminal sends first measured message, and described second
Timestamp is used to record the time that the reflection end receives first measured message, and the 3rd timestamp is described for recording
Reflection end returns to the time of second measured message, and the 4th timestamp receives described for recording the transmitting terminal
The time of two measured messages；The first time stamp includes NTP timestamps or PTP timestamps；Second timestamp, described
The type of three timestamps and the 4th timestamp is identical with the type that the first time stabs.
System and apparatus embodiments described above be only schematical, illustrates wherein described as separating component
Unit may or may not be physically separate, and the component shown as unit may or may not be object
Manage unit, you can be located at a place or can also be distributed in multiple network element.It can select according to the actual needs
Some or all of module therein is selected to realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying wound
In the case of the work for the property made, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
Technical solution is stated substantially in other words to embody the part that the prior art contributes in the form of software product, it should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
Order, which is used, so that computer equipment (can be personal computer, server or the network equipment etc.) performs each implementation
Method described in some parts of example or embodiment.
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
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent substitution to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (8)
1. a kind of latency measurement processing method, which is characterized in that including：
Transmitting terminal sends the first measured message for carrying stamp at the first time；The first time stamp is sent out for recording the transmitting terminal
Send the time of first measured message；
Reflection end receives first measured message and generates the second timestamp simultaneously, and is returned and described first to the transmitting terminal
Measured message is corresponding, carries the second measured message of second timestamp and the 3rd timestamp；Wherein, second time
For stamp for recording the time that the reflection end receives first measured message, the 3rd timestamp is described anti-for recording
Penetrate the time that end returns to second measured message；
The transmitting terminal receives second measured message and generates the 4th timestamp simultaneously, and according to first time stamp, institute
State the second timestamp, the 3rd timestamp and the 4th timestamp calculate between the transmitting terminal and the reflection end when
Prolong；Wherein, the 4th timestamp is used to record the time that the transmitting terminal receives second measured message；
Wherein, the first time stamp includes NTP timestamps or PTP timestamps, second timestamp, the 3rd timestamp
It is identical with the type that the first time stabs with the type of the 4th timestamp.
2. according to the method described in claim 1, it is characterized in that, the method further includes：
The transmitting terminal receives the first control instruction that control terminal is sent, and first control instruction is stabbed including the first time
With the type of the 4th timestamp；
The reflection end receives the second control instruction that the control terminal is sent, when second control instruction includes described second
Between stamp and the 3rd timestamp type；
Wherein, the first time stamp and the 4th timestamp and the class of second timestamp and the 3rd timestamp
Type is that first flag information that the control terminal is carried according to the control message received, being used to indicate timestamp type determines
's.
3. according to the method described in claim 2, it is characterized in that, the first flag information is the mark in the control message
It is being added in quasi- field, with first time stamp and the 4th timestamp and second timestamp and it is described 3rd when
Between stab corresponding feature field.
4. according to the method described in claim 1, it is used to indicate described the it is characterized in that, being carried in first measured message
The second identifier information of the type of one timestamp, correspondingly, the method further includes：
The reflection end parses the type for the first time stamp that first measured message carries according to the second identifier information；
Corresponding second timestamp of type generation that the reflection end was stabbed according to the first time and carry described the
Second measured message of two timestamps and the 3rd timestamp.
5. according to the method described in claim 4, it is characterized in that, the second identifier information is in first measured message
Preset byte in set, with the first time corresponding attribute byte of stamp.
6. a kind of latency measurement processing system, which is characterized in that including：
Transmitting terminal, for send carry the first measured message of stamp at the first time and receive it is that reflection end returns, with described the
One measured message is corresponding, carry the second timestamp and the second measured message of the 3rd timestamp generates the 4th timestamp simultaneously,
And the hair is calculated according to first time stamp, second timestamp, the 3rd timestamp and the 4th timestamp
Penetrate the time delay between end and the reflection end；
Reflection end, for receive first measured message and meanwhile generate the second timestamp, and to the transmitting terminal return and institute
State the second measured message of corresponding the first measured message, carrying second timestamp and the 3rd timestamp；
Wherein, first time stamp is for recording the time that the transmitting terminal sends first measured message, and described second
For recording the time that the reflection end receives first measured message, the 3rd timestamp is used to record institute timestamp
State the time that reflection end returns to second measured message, the 4th timestamp for record the transmitting terminal receive it is described
The time of second measured message；First time stamp includes NTP timestamps or PTP timestamps, second timestamp, described
The type of 3rd timestamp and the 4th timestamp is identical with the type that the first time stabs.
7. system according to claim 6, which is characterized in that the system also includes：
Control terminal controls message for receiving；The control message carrying is used to indicate the first time stamp and the described 4th
The first flag information of timestamp and the type of second timestamp and the 3rd timestamp；
The first time stamp and the 4th timestamp and second timestamp are determined according to the first flag information
With the type of the 3rd timestamp；
Include the first control instruction of the type of the first time stamp and the 4th timestamp to transmitting terminal transmission, and
Include the second control instruction of the type of second timestamp and the 3rd timestamp to reflection end transmission.
8. system according to claim 6, which is characterized in that carried in first measured message and be used to indicate described the
The second identifier information of the type of one timestamp, correspondingly, the reflection end further includes：
Resolution unit, for parsing the class for the first time stamp that first measured message carries according to the second identifier information
Type；
Processing unit for corresponding second timestamp of type generation stabbed according to the first time and carries described the
Second measured message of three timestamps.
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