CN106888138B - A kind of service channel detection system and test method - Google Patents
A kind of service channel detection system and test method Download PDFInfo
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- CN106888138B CN106888138B CN201710163785.8A CN201710163785A CN106888138B CN 106888138 B CN106888138 B CN 106888138B CN 201710163785 A CN201710163785 A CN 201710163785A CN 106888138 B CN106888138 B CN 106888138B
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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
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/16—Multipoint routing
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Abstract
The invention discloses a kind of service channel detection system and detection methods, including source node, destination node and several service channels；Source node is for generating test packet, the forward channel mark of test packet includes main forward mode mark, standby forward mode mark and syntype mark, forward channel is identified as syntype mark, replicate test packet, and the syntype of two test packets mark is respectively modified and is identified for main forward mode mark and standby forward mode, select positive main business channel and standby service channel to send test packet respectively according to main forward mode mark and standby forward mode mark；Destination node is for receiving test packet, parse reversed main business channel and standby service channel, generate response message, backward channel mark includes that main reverse mode mark and standby reverse mode identify, and selects reversed main business channel and standby service channel to send response message respectively according to main reverse mode mark and standby reverse mode mark；Source node determines service channel situation.
Description
Technical field
The present invention relates to the traffic measurement technical fields of communication equipment, and in particular to a kind of service channel detection system and survey
Method for testing.
Background technique
As the depth covering of Chinese optical fiber, wireless network, userbase constantly expand, to the quality of service of telecommunications network
It is required that higher and higher.For Logistics networks quality and promote the management level of maintenance, need to the service channel of communication network into
Row measurement, further progress Network Quality Analysis.
In existing communication network, due to being handled when optical fiber link aging, network apparatus jamming or user terminal on-load
The reasons such as ability decline, cause to occur on service channel that time delay, shake index is excessive, packet loss is serious or even service disconnection etc. is existing
As.The prior art generally use RFC2544, Y.1564, the measurement methods such as TWAMP carry out quality of service and detect end to end.It is existing
Some network topology structures are mostly annular or grid-shaped, are designed at least two passes, and wherein service channel is equipped with primary road
Diameter and backup path, will be in service switching to backup path in the case where primary path failure.It is general only to master in engineering
Backup path measurement is just carried out only after service switching to backup path with path measurements, if just sending out after service switching
Now still there are quality problems for backup path, have certain delay, and quality of service is caused to decline or interrupt.Backup path measurement
It needs that manually primary path fails, service switching can just be measured to backup path, regular traffic is influenced.Due to spare
Path measurements are inconvenient or lack, and influence primary path, can not find hidden network danger in time, be unfavorable for network stabilization.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide and a kind of service channel detection system and
Test method can be carried out main business channel and/or standby service channel is surveyed as needed the non-interrupting service the case where
Amount, improves the network quality and protective capability of communication network.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of service channel detection system, for detecting the quality of service of service channel, comprising:
Source node and destination node, are equipped with several service channels between source node and destination node, the service channel includes master
Service channel and standby service channel；Wherein,
Source node be used to generate include request message, business information and forward channel mark test packet, it is positive to lead to
Road mark includes the main forward mode mark in the main business channel positive for corresponding mark, the standby industry positive for corresponding mark
The standby forward mode mark in channel of being engaged in and the syntype for identifying all service channels identify, if forward channel is identified as full mould
Formula mark then replicates the test packet, and the syntype of test packet mark is modified and is identified for main forward mode, another
The syntype mark of test packet is revised as standby forward mode and identifies, just according to the main forward mode mark selection in test packet
To main business channel send test packet, according in test packet standby forward mode mark selection forward direction standby service channel
Send the test packet；
Destination node parses reversed main business channel and standby service channel, generation and includes for receiving test packet
The response message of response message and backward channel mark, backward channel mark include the master in the main business channel for identifying reverse
The standby reverse mode mark of reverse mode mark and the standby service channel for identifying reverse, the master in message is reversed according to response
Pattern identification selects reversed main business channel to send response message, and the standby reverse mode mark selection in message is anti-according to response
To standby service channel send response message；
Source node determines service channel situation according to the response message received.
Based on the above technical solution, the system also includes intermediate node, intermediate node is equipped with forwarding module, institute
Forwarding module is stated for after receiving the test packet, identifying the forward channel mark of test packet, is identified according to forward channel
The corresponding service channel of next-hop node is selected to forward the test packet；With the reception response message, response message is identified
Backward channel mark, the corresponding service channel of selection next-hop node is identified according to backward channel and forwards the response message.
Based on the above technical solution, the source node is equipped with test packet generation module, analysis module and test
Module；Wherein,
It includes survey that request message, business information and forward channel identify that the test packet generation module, which is used to generate,
Try message；
The analysis module for identification test packet forward channel mark, if the forward channel of test packet is identified as
Syntype mark, replicates test packet, and the syntype mark of a test packet is modified as main forward mode mark, another test
The syntype mark of message is revised as standby forward mode and identifies, according to the main forward mode mark in test packet and for direct die
Formula mark selects the main business channel of corresponding forward direction or for service channel transmitted test message；If test packet forward channel mark
Knowledge is holotype mark or standby pattern identification, then selects the main business channel of corresponding forward direction or for service channel transmitted test report
Text；
The detection module is used to determine service channel situation according to the response message received.
Based on the above technical solution, the destination node is equipped with reflecting module and response message generates mode；Wherein,
The response message generates mode for identifying request message after receiving test packet, and raw according to request message
At the response message comprising response message and backward channel mark；
The backward channel mark of reflecting module response message for identification, the according to response main reverse mode in message
Mark selects corresponding reversed main business channel transmitted response message, according to response the standby reverse mode mark selection pair of message
The reversed standby service channel transmitted response message answered.
Based on the above technical solution, a kind of test method of service channel detection system, the specific steps are as follows:
S1, according to the business configuration of user and detection demand, source node generation includes request message, business information and just
To the test packet of gap marker, forward channel mark includes main forward mode mark, standby forward mode mark and syntype mark
Know, if forward channel is identified as syntype mark, replicates the test packet, and the syntype of test packet mark is repaired
It is changed to main forward mode mark, the syntype mark of another test packet is revised as standby forward mode and identifies, according to test packet
In the positive main business channel of main forward mode mark selection send test packet, according to the standby forward mode in test packet
The positive main business channel of mark selection sends the test packet；
S2, after destination node receives test packet, parsing reversed main business channel and standby service channel, generation includes
The response message of response message and backward channel mark, backward channel mark include main reverse mode mark and standby reverse mode mark
Know, the main reverse mode mark in message selects reversed main business channel to send response message according to response, and/or according to sound
It answers the standby reverse mode in message to identify the reversed standby service channel of selection and sends response message；
S3, source node determine service channel situation according to the response message received.
Based on the above technical solution, source node and destination node are equipped with an at least intermediate node, wherein
Before test packet is sent to destination node, after intermediate node receives the test packet, forward channel is identified
Mark identifies down hop node transmitted test message according to forward channel, until test packet reaches destination node；
It is sent between source node in response message, after intermediate node receives response message, identifies that backward channel identifies,
Down hop node transmitted response message is identified according to backward channel, until response message reaches source node.
Based on the above technical solution, if intermediate node needs the regeneration that terminates, intermediate node termination business is gone forward side by side
After the processing of row bridge joint, according to the corresponding service channel forwarding of forward channel mark selection next-hop node in test packet
Test packet identifies the corresponding service channel of selection next-hop node according to backward channel and forwards the response message；Conversely, then
Intermediate node carries out transparent transmission to test packet or response message.
Based on the above technical solution, the S1 further include: judge that forward channel identifies, if forward channel is identified as
Syntype mark replicates the test packet if forward channel is identified as syntype mark, and by the full mould of a test packet
Formula mark modification is that main forward mode identifies, and the syntype mark of another test packet is revised as standby forward mode and identifies；If just
It is that main forward mode identifies or standby forward mode identifies to gap marker, selects corresponding positive main business channel or standby business logical
Road sends test packet.
Based on the above technical solution, the source node according in test packet and response message temporal information and
Response message quantity calculates time delay, shake and the packet loss of transmission message, obtains the quality of service of service channel.
Compared with the prior art, the advantages of the present invention are as follows:
The present invention can also be referred to by supporting main business channel and standby service channel to send test packet simultaneously and detect
Fixed a certain channel is tested as required, and during the test, is not influenced on normal communications traffic, and testing efficiency is high,
Testing procedure is simple to operation；Intermediate node is set between source node and destination node, and forwarding module, Neng Gouzhi is arranged in intermediate node
The teleservice monitoring for holding multistage network, establishes perfect detection system, can excavate hidden network danger, improve communication network
Network quality and protective capability, support network high quality operation, promoted user perception.
Detailed description of the invention
Fig. 1 is system block diagram of the invention；
Fig. 2 is flow chart of the method for the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Shown in Figure 1, the embodiment of the present invention provides a kind of service channel detection system, comprising:
Source node and destination node are equipped with several service channels between source node and destination node, service channel includes main business
Business channel and standby service channel, main business communication includes the main business channel and reversed main business channel of forward direction, logical for business
Road includes positive standby service channel and reversed standby anti-service channel.
Source node is equipped with test packet generation module, analysis module and test module；Wherein, test packet generation module is used
In the test packet that generation includes request message, business information and forward channel mark, forward channel mark includes for marking
Know the main forward mode mark in positive main business channel, the standby forward mode for identifying positive standby service channel identifies and
For identifying the syntype mark of the service channel of all forward directions；Forward channel identifies analysis module for identification, if positive logical
Road is identified as syntype mark, replicates two parts of test packets, and the syntype mark modification of a test packet is main direct die
Formula mark, the syntype mark of another test packet are revised as active and standby to pattern identification, are identified and are selected according to main forward mode
The main business channel transmitted test message of corresponding forward direction selects the standby business of corresponding forward direction logical according to standby forward mode mark
Road transmitted test message；Detection module is used to determine service channel situation according to the response message received.
It is identified in the present embodiment by increasing the forward channel of corresponding service channel in test packet, it is logical according to forward direction
Road identifies test packet and corresponding service channel is selected to send test packet, can be right respectively in not traffic affecting
Main business channel and standby service channel are tested, and are excavated hidden network danger, are promoted the network quality and protective capability of communication network, if
It is identified using syntype, then test packet can be sent to active and standby service channel simultaneously, testing efficiency doubles.
Destination node is equipped with reflecting module and response message generates mode；Wherein, response message generates mode and surveys for receiving
Examination message parses reversed main business channel and this service channel from test packet, and generation is comprising response message and reversely
The response message of gap marker, backward channel mark include main business channel for identifying reverse main reverse mode mark and
The standby reverse mode of standby service channel for identifying reverse identifies；The backward channel mark of reflecting module response message for identification
Know, the main reverse mode mark in message selects reversed main business channel to send response message according to response, reports according to response
The standby service channel of standby reverse mode mark selection reversely in text sends response message.
Intermediate node, intermediate node are equipped with forwarding module, and intermediate node is equipped with forwarding module, and the forwarding module is for connecing
After receiving the test packet, the forward channel mark of test packet is identified, selection next-hop node pair is identified according to forward channel
The positive service channel answered forwards the test packet；With the reception response message, the backward channel of response message is identified
Mark identifies the corresponding reversed service channel transmitted response message of selection next-hop node according to backward channel.If middle node
Point needs the regeneration that terminates, then intermediate node termination business and after carrying out bridge joint processing, and according to forward channel mark or reversed logical
Road mark matches the positive service channel or reversed service channel transmitted test message or response message of next paths；Instead
It, then intermediate node carries out transparent transmission to test packet or response message.The business end to end of multistage network can be supported to monitor,
Standby service channel is checked, in the case where not influencing regular traffic progress, can find hidden network danger in advance.
It is shown in Figure 2, based on above-mentioned service channel detection system, provide a kind of test of service channel detection system
Method, the specific steps are as follows:
S1, according to the business configuration of user and detection demand, the test packet generation unit generation of source node includes to ask
The test packet of message, business information and forward channel mark is sought, forward channel mark includes main forward mode mark, for positive
Pattern identification and syntype mark, analysis module judge that forward channel identifies, if forward channel mark is that main forward mode identifies
Or the main business channel of the standby corresponding forward direction of forward mode mark selection or the standby service channel of forward direction send test packet；If just
It is syntype mark to gap marker, then test packet is replicated two parts by source node, and the syntype of a test packet is identified
Modification is that main forward mode identifies, and the syntype mark of another test packet is revised as standby forward mode and identifies, modified survey
The gap marker in message is tried as main forward mode mark, then selects positive main business channel to send test packet, after modification
Test packet in gap marker be that standby forward mode identifies, then select positive standby service channel transmission test packet；
One intermediate node is at least set between source node and destination node, is sent to destination node in the test packet of source node
Before, after the forwarding module of intermediate node receives test packet, identify that forward channel identifies, if intermediate node needs to terminate again
Raw, then intermediate node termination business and after carrying out bridge joint processing matches the positive of next paths according to forward channel mark
Service channel is forwarded；Conversely, then intermediate node carries out transparent transmission to test packet, down hop section is identified according to forward channel
Point transmitted test message, until test packet reaches destination node；
S2, destination node receive test packet, and response message generation unit believes the source information in test packet with purpose
Breath exchanges, and plus time stamp, while parsing reversed main business channel and standby service channel, and generation is comprising response message and instead
To the response message of gap marker, backward channel mark includes that main backward channel mark and standby backward channel identify, reflecting module
Response message is sent according to the corresponding reversed service channel of backward channel mark selection, backward channel mark is main backward channel
Mark or standby backward channel identify, and the corresponding reversed main business channel of selection or reversed standby service channel send response report
Text；
It being sent between source node in response message, intermediate node identifies that backward channel identifies after receiving response message,
If intermediate node needs the regeneration that terminates, intermediate node termination business and after carrying out bridge joint processing, according to backward channel mark
Reversed service channel transmitted response message with next paths；Conversely, then intermediate node carries out transparent transmission, root to response message
Down hop node transmitted response message is identified according to backward channel, until response message reaches source node；
The test module of S3, source node determine service channel situation according to the response message received, according to request message
And temporal information in response message and response message quantity calculate time delay, shake and the packet loss of transmission message.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (9)
1. a kind of service channel detection system, for detecting the quality of service of service channel characterized by comprising
Source node and destination node are equipped with several service channels between source node and destination node, the service channel includes main business
Channel and standby service channel；Wherein,
It includes test packet that request message, business information and forward channel identify, forward channel mark that source node, which is used to generate,
Knowledge includes that the main forward mode in the main business channel positive for corresponding mark identifies, is logical for corresponding to the positive standby business of mark
The standby forward mode in road identifies and the syntype mark for identifying all service channels, if forward channel is identified as syntype mark
Know, then replicates the test packet, and the syntype of test packet mark is modified as main forward mode mark, another test
The syntype mark of message is revised as standby forward mode and identifies, positive according to the main forward mode mark selection in test packet
Main business channel sends test packet, and according to the standby forward mode mark selection in test packet, positive standby service channel is sent
The test packet；
Destination node parses reversed main business channel and standby service channel for receiving test packet, generates comprising response
The response message of message and backward channel mark, backward channel mark include that the master in the main business channel for identifying reverse is reversed
The standby reverse mode of pattern identification and the standby service channel for identifying reverse identifies, according to response the main reverse mode in message
It identifies and reversed main business channel is selected to send response message, the standby reverse mode mark in message selects reversely according to response
Standby service channel sends response message；
Source node determines service channel situation according to the response message received.
2. a kind of service channel detection system as described in claim 1, it is characterised in that:
The system also includes intermediate node, intermediate node is equipped with forwarding module, and the forwarding module is for receiving the test
After message, the forward channel mark of test packet is identified, it is logical to identify the corresponding business of selection next-hop node according to forward channel
Road forwards the test packet；With the reception response message, the backward channel mark of response message is identified, according to backward channel
The corresponding service channel of mark selection next-hop node forwards the response message.
3. a kind of service channel detection system as claimed in claim 2, it is characterised in that:
The source node is equipped with test packet generation module, analysis module and test module；Wherein,
It includes test report that request message, business information and forward channel identify that the test packet generation module, which is used to generate,
Text；
The analysis module for identification test packet forward channel mark, if the forward channel of test packet is identified as full mould
Formula mark, replicates test packet, and the syntype mark of a test packet is modified as main forward mode mark, another test packet
Syntype mark be revised as standby forward mode and identify, according in test packet main forward mode mark and standby forward mode mark
Know the main business channel for selecting corresponding forward direction or standby service channel transmitted test message；If test packet forward channel mark is
Main forward mode mark or standby forward mode identify, then the main business channel of corresponding forward direction or standby service channel forwarding is selected to survey
Try message；
The test module is used to determine service channel situation according to the response message received.
4. a kind of service channel detection system as claimed in claim 2, it is characterised in that:
The destination node is equipped with reflecting module and response message generation module；Wherein,
The response message generation module is generated according to request message and is wrapped for identifying request message after receiving test packet
The response message identified containing response message and backward channel；
The reflecting module for identification response message backward channel mark, according to response in message main reverse mode mark
Corresponding reversed main business channel transmitted response message is selected, the standby reverse mode mark selection of message is corresponding according to response
Reversed standby service channel transmitted response message.
5. based on a kind of test method of service channel detection system as described in claim 1, which is characterized in that specific steps
It is as follows:
S1, according to the business configuration of user and detection demand, source node generation includes that request message, business information and forward direction are logical
The test packet of road mark, forward channel mark include main forward mode mark, for forward mode mark and syntype mark, if
Forward channel is identified as syntype mark, then replicates the test packet, and the syntype of test packet mark is revised as
Main forward mode mark, the syntype mark of another test packet is revised as standby forward mode and identifies, according in test packet
The positive main business channel of main forward mode mark selection sends test packet, is identified according to the standby forward mode in test packet
The positive main business channel of selection sends the test packet；
S2 after destination node receives test packet, parses reversed main business channel and standby service channel, generates comprising response
The response message of message and backward channel mark, backward channel mark include that main reverse mode mark and standby reverse mode identify,
The main reverse mode mark in message selects reversed main business channel to send response message according to response, and/or according to response
The standby service channel of standby reverse mode mark selection reversely in message sends response message；
S3, source node determine service channel situation according to the response message received.
6. a kind of test method of service channel detection system as claimed in claim 5, it is characterised in that: source node and Su Jie
Point is equipped with an at least intermediate node, wherein
Before test packet is sent to destination node, after intermediate node receives the test packet, identify that forward channel identifies,
Down hop node transmitted test message is identified according to forward channel, until test packet reaches destination node；
It is sent between source node in response message, after intermediate node receives response message, identifies that backward channel identifies, according to
Backward channel identifies down hop node transmitted response message, until response message reaches source node.
7. a kind of test method of service channel detection system as claimed in claim 5, it is characterised in that: if intermediate node needs
Terminate regeneration, then intermediate node termination business and after carrying out bridge joint processing, identifies choosing according to the forward channel in test packet
It selects the corresponding service channel of next-hop node and forwards the test packet, it is corresponding to identify selection next-hop node according to backward channel
Service channel forward the response message；Conversely, then intermediate node carries out transparent transmission to test packet or response message.
8. a kind of test method of service channel detection system as claimed in claim 5, which is characterized in that the S1 is also wrapped
It includes: judging that forward channel identifies, if forward channel is identified as syntype mark, if forward channel is identified as syntype mark,
The test packet is replicated, and the syntype of test packet mark is modified as main forward mode mark, another test packet
Syntype mark be revised as standby forward mode and identify；If forward channel mark is main forward mode mark or standby forward mode mark
Know, corresponding positive main business channel or standby service channel is selected to send test packet.
9. a kind of test method of service channel detection system as claimed in claim 5, it is characterised in that: the source node root
According in test packet and response message temporal information and response message quantity calculate transmission message time delay, shake and packet loss
Rate obtains the quality of service of service channel.
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| CN111884872B (en) * | 2020-07-01 | 2022-05-06 | 中国联合网络通信集团有限公司 | Performance test method and device for service path |
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| CN1764132A (en) * | 2004-10-22 | 2006-04-26 | 华为技术有限公司 | Method for detecting spare channel |
| CN101316234A (en) * | 2008-07-02 | 2008-12-03 | 华为技术有限公司 | Route condition detecting method, device and system |
| CN102394787A (en) * | 2011-12-14 | 2012-03-28 | 重庆邮电大学 | Dual-link redundancy control method based on EPA switch |
| CN103404080A (en) * | 2011-11-28 | 2013-11-20 | 华为技术有限公司 | Path communication quality detection method and device |
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| CN1764132A (en) * | 2004-10-22 | 2006-04-26 | 华为技术有限公司 | Method for detecting spare channel |
| CN101316234A (en) * | 2008-07-02 | 2008-12-03 | 华为技术有限公司 | Route condition detecting method, device and system |
| CN103404080A (en) * | 2011-11-28 | 2013-11-20 | 华为技术有限公司 | Path communication quality detection method and device |
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