CN108390797A - A method of active measurement agreement is realized based on chip - Google Patents
A method of active measurement agreement is realized based on chip Download PDFInfo
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- CN108390797A CN108390797A CN201810161519.6A CN201810161519A CN108390797A CN 108390797 A CN108390797 A CN 108390797A CN 201810161519 A CN201810161519 A CN 201810161519A CN 108390797 A CN108390797 A CN 108390797A
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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
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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
- H04L43/06—Generation of reports
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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
-
- 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
- H04L43/087—Jitter
-
- 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
- H04L69/22—Parsing or analysis of headers
Abstract
Present invention is disclosed a kind of methods for realizing active measurement agreement based on chip, including：Chip identifies the control message of active measurement agreement, the test for starting network performance；The test packet that chip sends at least one active measurement agreement in sending direction gives reception direction, is used for the test of network performance；Chip is receiving direction discernment test packet, and is handled the test packet received in OAM engines, calculates network performance parameter in the chips；Or by treated, test packet replies to chip sending direction after handling test packet, and network performance parameter is calculated in sending direction by chip.The present invention provides a kind of scheme based on chip realization active measurement agreement, it can be achieved that test and the statistics of high-precision and high performance network performance parameter.
Description
Technical field
The present invention relates to a kind of implementation methods of active measurement agreement, are realized based on chip more particularly, to one kind and are actively surveyed
The method for measuring agreement.
Background technology
As people to the further accurate of performance index requirements and improve, for network performance analysis start gradually to
Higher extends.
Active measurement agreement (AMP, Active Measurement Protocol) conduct measurement procotol (IP,
Internet Protocol) network performance standard agreement, meet to UDP (User DatagramProtocol, number of users
According to datagram protocol) testing requirement of layer network performance.According to protocol requirement, the agreement is by establishing the control message of performance measurement session
(AMP-Control) and the transmission of test packet and reception (AMP-Test) two parts composition.Wherein, control message mainly into
Row establishment of connection, and create, start test session；Test packet is on the basis of controlling message, for carrying out network performance
Test.
Wherein, OWAMP (One-Way Active Measurement Protocol, unidirectional active measurement agreement) is used for
Unidirectional performance test, TWAMP (Two-Way Active Measurement Protocol) are used for two-way performance test,
The parameter of the two performance test includes delay (network delay), jitter (network delay shake), loss (Network Packet Loss) etc.
Parameter.
Software realization is often based on for active measurement agreement to build test model at present, i.e., is known by software approach
Other and processing OWAMP/TWAMP control message and test packet, to test the parameters such as delay, jitter, loss.But
The efficiency far of software realization OWAMP or TWAMP are realized not as good as chip.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of improve is provided and realizes active measurement agreement efficiency
The method for realizing active measurement agreement based on chip.
To achieve the above object, the following technical solutions are proposed by the present invention：It is a kind of that active measurement agreement is realized based on chip
Method, including：
S1, chip identify the control message of active measurement agreement, the survey of the network performance for starting active measurement agreement
Examination；
S2, the test packet that chip sends at least one active measurement agreement in sending direction give reception direction, are used for net
The test of network performance；
S3, chip are receiving test packet described in direction discernment, and the test packet in OAM engines to receiving
It is handled, calculates network performance parameter in the chips；Or it will treated test packet after handling test packet
Chip sending direction is replied to, network performance parameter is calculated in sending direction by chip.
Preferably, in S1, the control message includes OWAMP control messages and TWAMP control messages, and the chip passes through
TCP port identifies OWAMP control messages and TWAMP control messages respectively.
Preferably, in S2, the test packet includes OWAMP test packets and TWAMP test packets, and chip is in sender
To what is tested plus the timestamp for being used for network delay performance parameter test in the test packet and for message validity
Sequence number.
Preferably, the chip at most supports the transmission of the test packet of 8 active measurement agreements in sending direction simultaneously,
By being distinguished including at least udp port and DSCP information in message between the different test packets.
Preferably, in S3, the chip identifies in reception direction at least through the udp port and DSCP information described
Test packet.
Preferably, the network performance parameter includes at least appointing in network delay, Network Packet Loss and network delay shake
The combination for one or more of anticipating.
Preferably, the calculating process of the Network Packet Loss performance parameter includes：Chip counts the transmission of the test packet
The reception number of number and test packet calculates the difference for sending number and receiving number of the test packet, to calculate the net
Network packet loss.
Preferably, the calculating process of the network delay performance parameter includes：The time delay accumulated value that chip is counted according to it
With the reception number of the test packet, when obtaining the unilateral network time delay average value or bilateral network of test packet in a period of time
Yangjing mean value.
Preferably, the calculating process of the network delay jitter performance parameter includes：According to two neighboring network delay
Difference determines the network delay jitter value.
Preferably, the chip includes at least asic chip or fpga chip or NP chips.
The beneficial effects of the invention are as follows：A kind of scheme for realizing active measurement agreement based on chip is provided, it can be quick
Processing, the rapidity that chip is realized, which with stability is software realization, to be compared, when ns grades of networks may be implemented such as the present invention
Prolong the processing of the network performance parameters such as (delay), network delay shake (jitter).
Description of the drawings
Fig. 1 is OWAMP test philosophies schematic diagram of the present invention；
Fig. 2 is TWAMP test philosophies schematic diagram of the present invention；
Fig. 3 is OWAMP network performance parameters calculating logic schematic diagram of the present invention；
Fig. 4 is TWAMP network performance parameters calculating logic schematic diagram of the present invention；
Fig. 5 is the flow diagram of the present invention.
Specific implementation mode
Below in conjunction with the attached drawing of the present invention, clear, complete description is carried out to the technical solution of the embodiment of the present invention.
A kind of disclosed method for realizing active measurement agreement based on chip, is particularly based on asic chip realization
OWAMP and TWAMP agreements quickly handle the control message and test packet of OWAMP and TWAMP, realize high-precision and high property
The test of the network performance parameter of energy and statistics, make up the disadvantage that existing Software Realization Technique efficiency is low, model is complicated.
In conjunction with shown in Fig. 1~Fig. 5, a kind of revealed side realizing active measurement agreement based on chip of the embodiment of the present invention
Method, including：
S1, chip identify the control message of active measurement agreement, the survey of the network performance for starting active measurement agreement
Examination.
Specifically, the control message of active measurement agreement includes OWAMP control messages and TWAMP control messages, this implementation
In example, chip identifies that it controls message for OWAMP by controlling 861 information of TCP port carried in message；By controlling message
862 information of TCP port of middle carrying identifies that it controls message, the survey for starting OWAMP, TWAMP network performance for TWAMP
Examination.
After chip identification control message, control message is sent to its upper layer software (applications), client is such as controlled, by upper layer software (applications)
Control the start and stop that chip sends the test packet for the network performance for testing active measurement agreement.
S2, the test packet that chip sends at least one active measurement agreement in sending direction give reception direction, are used for net
The test of network performance.
Specifically, test packet includes OWAMP test packets and TWAMP test packets, that is to say, that chip is in sender
OWAMP test packets can be sent to (Tx) or TWAMP test packets are used for applied in network performance test.Which kind of either sends actively
The test packet of measurement agreement, chip is in sending direction plus for network delay performance parameter test in the test packet
First time stamp and for message validity test sequence number the legitimacy of message can be carried out by the sequence number
Test improves the correctness of active measurement agreement device to test result.
In the present embodiment, chip at most supports the transmission of the test packet of 8 active measurement agreements in sending direction simultaneously,
By being distinguished including at least udp port and DSCP information in message between different test packets.
S3, chip are receiving test packet described in direction discernment, and the test packet in OAM engines to receiving
It is handled, calculates network performance parameter in the chips；Or it will treated test packet after handling test packet
Chip sending direction is replied to, network performance parameter is calculated in sending direction by chip.
Specifically, chip can be at least known by udp port in test packet and DSCP information receiving direction (Rx)
Test packet is not gone out.
If chip is OWAMP test packets receiving test packet described in direction discernment, pass through passing through in chip
U1_g3_oamDestChip, u1_g3_mepIndex, u1_g3_rxOamType, u1_g3_ in DsACL list items
The field such as packetOffset (domain) trips are to be used for processing of the OAMEngine (OAM engines) to OWAMP test packets,
The function modules such as equal_twamp, header_edit and/or equal_flex are had inside OAMEngine to receiving
OWAMP test packets are handled, and calculate network performance parameter in the chips.
In the present embodiment, network performance parameter includes at least appointing in network delay, Network Packet Loss and network delay shake
The combination for one or more of anticipating.
Wherein, the process that the network delay of OWAMP test packets is calculated in chip is specially：Chip interior can be to all
The time delay of effective OWAMP test packets adds up, and is added to the totalDTs tables of AutoGenPktRxPktStats list items
Xiang Zhong, totalDTs list item indicate the One Way Delay that direction is received slave chip sending direction to chip of test packet, and
The statistics that OWAPM test packets receive number rxPkts is had in AutoGenPktRxPktStats list items, passes through reading
TotalDTs list items and OWAPM test packets receive number rxPkts, and the internetworking of OWAMP test packets may be implemented in such chip
The calculating of energy parameter delay.Specifically, the calculating of One Way Delay delay：With in totalDTs2 list items delay data and
OWAPM test packets receive number rxPkts and calculate；That is the unidirectional mean time in some period of totalDTs2/rxPkts=
Prolong.
Calculated in chip OWAMP test packets network delay shake process be specially：According to above-mentioned according to adjacent
The difference of two network delays, it may be determined that network delay jitter value.
The process that the Network Packet Loss of OWAMP test packets is calculated in chip is specially：Chip interior
The statistics that OWAMP test packets send number txPkts is had in AutoGenPktTxPktStats list items,
The statistics that OWAMP test packets receive number rxPkts is had in AutoGenPktRxPktStats list items, so as to calculate
Loss=txPkts-rxPkts.
If chip is TWAMP test packets receiving test packet described in direction discernment, pass through passing through in chip
U1_g3_oamDestChip, u1_g3_mepIndex, u1_g3_rxOamType, u1_g3_ in DsACL list items
The field such as packetOffset (domain) trips are to be used for processing of the OAMEngine (OAM engines) to TWAMP test packets,
The function modules such as equal_twamp, header_edit and/or equal_flex are had inside OAMEngine to receiving
TWAMP test packets are handled, and by treated, test packet replies to chip sending direction after handling test packet,
By chip network performance parameter is calculated in sending direction.
Wherein, the process that chip calculates the network delay of TWAMP test packets in sending direction is specially：In chip
Portion can add up to the two-way time delay of all effective TWAMP test packets, be added to AutoGenPktRxPktStats tables
In the totalDTs list items of item, totalDTs list items indicate the anti-again to chip reception direction slave chip sending direction of test packet
Be emitted back towards the two-way time delay of chip sending direction, chip interior also can to the One Way Delay of all effective TWAMP test packets into
Row is cumulative, is added in the totalDTs2 list items of AutoGenPktRxPktStats list items, and totalDTs2 list items indicate test
The One Way Delay that direction is received slave chip sending direction to chip of message；And it is had in AutoGenPktRxPktStats list items
TWAPM test packets receive the statistics of number rxPkts, by reading totalDTs1 list items, totalDTs2 list items and rxPkts,
The calculating of the network performance parameter delay of TWAMP test packets may be implemented in chip in this way.
Specifically, the calculating of two-way time delay delay：It is two-way average in some period of totalDTs/rxPkts=
Time delay, the unidirectional average delay in some period of totalDTs2/rxPkts=, in this way, receiving terminal is to the unidirectional of transmitting terminal
Time delay is then：(totalDTs-totalDTs2)/rxPkts.
Calculated in chip TWAMP test packets network delay shake process be specially：According to above-mentioned according to adjacent
The difference of the network delay of two TWAMP test packets, it may be determined that the network delay jitter value of TWAMP test packets.
The process that the Network Packet Loss of TWAMP test packets is calculated in chip is specially：Chip interior
The statistics that TWAPM test packets send number txPkts is had in AutoGenPktTxPktStats list items,
The statistics that TWAMP test packets receive number rxPkts is had in AutoGenPktRxPktStats list items, so as to calculate
Loss=txPkts-rxPkts.
Signified chip is not limited to ASIC (Application Specific Integrated in the present invention
Circuit, application-specific integrated circuit) chip, may also include FPGA, (Field-Programmable Gate Array, scene can
Program gate array) or NP (Network Processor, network processing unit) etc..
The technology contents and technical characteristic of the present invention have revealed that as above, however those skilled in the art still may base
Make various replacements and modification without departing substantially from spirit of that invention, therefore, the scope of the present invention in teachings of the present invention and announcement
It should be not limited to the revealed content of embodiment, and should include various replacements and modification without departing substantially from the present invention, and be this patent Shen
Please claim covered.
Claims (10)
1. a kind of method for realizing active measurement agreement based on chip, which is characterized in that including：
S1, chip identify the control message of active measurement agreement, the test of the network performance for starting active measurement agreement；
S2, the test packet that chip sends at least one active measurement agreement in sending direction give reception direction, are used for internetworking
The test of energy；
S3, chip is receiving test packet described in direction discernment, and is carried out to the test packet received in OAM engines
Processing, calculates network performance parameter in the chips；Or by treated, test packet is replied after handling test packet
Chip sending direction is given, network performance parameter is calculated in sending direction by chip.
2. according to the method described in claim 1, it is characterized in that, in S1, the control message include OWAMP control messages and
TWAMP controls message, and the chip identifies OWAMP control messages and TWAMP control messages by TCP port respectively.
3. according to the method described in claim 1, it is characterized in that, in S2, the test packet include OWAMP test packets and
TWAMP test packets, chip is when sending direction is added in the test packet for network delay performance parameter test
Between stab and for message validity test sequence number.
4. according to the method described in claim 1, it is characterized in that, the chip at most supports 8 masters simultaneously in sending direction
The transmission of the test packet of dynamic measurement agreement, between the different test packets by message include at least udp port and
DSCP information is distinguished.
5. according to the method described in claim 4, it is characterized in that, in S3, the chip is receiving direction at least through described
Udp port and DSCP information identify the test packet.
6. according to the method described in claim 3, it is characterized in that, the network performance parameter includes at least network delay, net
Any one or more combinations in network packet loss and network delay shake.
7. according to the method described in claim 6, it is characterized in that, the calculating process of the Network Packet Loss performance parameter includes：
Chip counts the transmission number of the test packet and the reception number of test packet, calculates the transmission number of the test packet and connects
The difference for receiving number, to calculate the Network Packet Loss.
8. according to the method described in claim 6, it is characterized in that, the calculating process of the network delay performance parameter includes：
Chip obtains the unidirectional of test packet in a period of time according to the reception number of the time delay accumulated value and the test packet of its statistics
Network delay average value or bilateral network time delay average value.
9. according to the method described in claim 8, it is characterized in that, the calculating process packet of the network delay jitter performance parameter
It includes：According to the difference of two neighboring network delay, the network delay jitter value is determined.
10. according to the method described in claim 1, it is characterized in that, the chip includes at least asic chip or fpga chip
Or NP chips.
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| CN201810161519.6A CN108390797A (en) | 2018-02-27 | 2018-02-27 | A method of active measurement agreement is realized based on chip |
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| CN201810161519.6A CN108390797A (en) | 2018-02-27 | 2018-02-27 | A method of active measurement agreement is realized based on chip |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110838950A (en) * | 2019-10-21 | 2020-02-25 | 大唐软件技术股份有限公司 | Method and device for determining network performance jitter value |
| CN111611147A (en) * | 2020-06-28 | 2020-09-01 | 中国人民解放军国防科技大学 | Method, system and medium for detecting and analyzing performance of universal interface in processor |
| CN113992551A (en) * | 2021-09-09 | 2022-01-28 | 新华三信息安全技术有限公司 | Information reporting method and device |
| CN114244739A (en) * | 2021-12-21 | 2022-03-25 | 苏州盛科通信股份有限公司 | Method, device and storage medium for improving message statistical accuracy |
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