CN109842503A - Link-quality test method and system - Google Patents
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Abstract
This disclosure relates to which a kind of link-quality test method and system, are related to field of communication technology.Disclosed method includes: that the first interchanger receives the OpenFlow Packet-out message that corresponding controller is sent, and Packet-out message includes test ethernet frame, and testing includes sending time and serial number in ethernet frame；First interchanger is sent to second switch for ethernet frame is tested；Second switch is encapsulated ethernet frame is tested to OpenFlow Packet-in message, and is sent to corresponding controller；The corresponding controller of second switch determines the first interchanger to the link-quality between second switch according to test ethernet frame.Since disclosed method is based on OpenFlow agreement, it does not need in data forwarding level to be that interchanger configures special IP address, the expense for increasing additional CPU for test is not needed yet, test can be completed while handling normal OpenFlow agreement, and the test of link individual event quality may be implemented, the longitude and efficiency for improving link-quality test, reduce the waste of resource.
Description
Technical field
This disclosure relates to field of communication technology, in particular to a kind of link-quality test method and system.
Background technique
With the development of internet, Internet service proposes higher and higher transmission quality requirements to internet.It is based on
This demand is a kind of, and new network exchange model --- OpenFlow is suggested.OpenFlow network is by OpenFlow interchanger
(OpenFlow Switch), network virtualization layer (Flow Visor) and controller (Controller) three parts composition.Control
The agreement of device (Controller) Configuration network interchanger, interchanger safeguard a flow table (Flow Table), according to flow table into
Row forwarding, the generation of flow table itself are safeguarded, issue and realized completely by controller.
Network quality test is maintenance personnel's awareness network situation, thus a kind of important means safeguarded accordingly.
Currently, the network quality based on OpenFlow interchanger is tested, traditional ping test is mainly also relied on,
Summary of the invention
Inventor's discovery: ping test needs to configure additional loopback (loopback address) for interchanger, consumes simultaneously
Cpu resource, and cannot achieve the test of the unidirectional quality of link.
A disclosure technical problem to be solved is: proposing chain in the new network based on OpenFlow agreement of one kind
Road quality detecting method does not need to configure the additional address loopback, reduces cpu resource consumption, and can be directed to link list
Item quality is tested.
According to some embodiments of the present disclosure, a kind of link-quality test method for providing, comprising: the first interchanger receives
The OpenFlow Packet-out message that corresponding controller is sent, Packet-out message include test ethernet frame, test
It include sending time and serial number in ethernet frame；First interchanger is sent to second switch for ethernet frame is tested；Second hands over
It changes planes and encapsulates test ethernet frame to OpenFlow Packet-in message, and be sent to corresponding controller；Second exchange
The corresponding controller of machine determines the first interchanger to the link-quality between second switch according to test ethernet frame.
In some embodiments, in Packet-out message Buffer_id sections be configured as -1, action column table segment is configured
For ALL；It includes: that the first interchanger parsing Packet-out disappears that first interchanger, which will test ethernet frame and be sent to second switch,
Test ethernet frame is sent to and removes in the case where Buffer_id sections of identification are configured as ALL for -1 action column table segment by breath
Other all of the port other than input port, other all of the port other than input port include the port of second switch.
In some embodiments, in Packet-out message Buffer_id sections be configured as -1, action column table segment is configured
For TABLE；It includes: the first interchanger parsing Packet-out that first interchanger, which will test ethernet frame and be sent to second switch,
Message, in the case where Buffer_id sections of identification are configured as TABLE for -1 action column table segment, according to Packet-out message
Middle input port information, inquiry are pre-configured flow table, and test ethernet frame is sent to second switch.
In some embodiments, the corresponding controller of second switch determines that the first interchanger arrives according to test ethernet frame
Link-quality between second switch includes: the corresponding controller parsing test ethernet frame of second switch, determines test
The serial number of ethernet frame；The corresponding controller of second switch determines according to the serial number of each test ethernet frame received
Packet loss of one interchanger to the link between second switch.
In some embodiments, the corresponding controller of second switch determines that the first interchanger arrives according to test ethernet frame
Link-quality between second switch includes: the corresponding controller parsing test ethernet frame of second switch, determines test
The sending time of ethernet frame；The corresponding controller of second switch is according to sending time and receives Packet-in message
Time, determine the first interchanger to the link between second switch propagation delay time.
In some embodiments, the corresponding controller of second switch determines that the first interchanger arrives according to test ethernet frame
Link-quality between second switch includes: the corresponding controller parsing test ethernet frame of second switch, determines test
The sending time and serial number of ethernet frame；The corresponding controller of second switch is according to sending time and receives Packet-in
The time of message determines the propagation delay time of each Packet-in message；The corresponding controller of second switch is according to adjacent
The serial number difference of the difference of the propagation delay time of Packet-in message and the adjacent Packet-in message, determines the first exchange
Shake of the machine to the link between second switch.
In some embodiments, this method further include: corresponding in the corresponding controller of the first interchanger and second switch
Controller be not the same controller in the case where, to the corresponding controller of the first interchanger and the corresponding control of second switch
Device processed carries out time synchronization.
In some embodiments, Packet-out message is constructed by testing service device and passes through surface layer state transfer REST and answered
The first interchanger, which is sent to, with Program Interfaces receives corresponding controller.
According to some embodiments of the present disclosure, a kind of link-quality test macro for providing, comprising: the first interchanger, quilt
Be configured to receive the OpenFlow Packet-out message that corresponding controller is sent, Packet-out message include test with
Too net frame, testing includes sending time and serial number in ethernet frame, and test ethernet frame is sent to second switch；Second hands over
It changes planes, ethernet frame will be tested by, which being configured as, encapsulates to OpenFlow Packet-in message, and is sent to corresponding controller；
The corresponding controller of second switch is configured as determining the first interchanger between second switch according to test ethernet frame
Link-quality.
In some embodiments, in Packet-out message Buffer_id sections be configured as -1, action column table segment is configured
For ALL；First interchanger is configured as parsing Packet-out message, is -1 at Buffer_id sections of identification, action column table segment quilt
In the case where being configured to ALL, test ethernet frame is sent to other all of the port in addition to input port, input port with
Other outer all of the port include the port of second switch.
In some embodiments, in Packet-out message Buffer_id sections be configured as -1, action column table segment is configured
For TABLE；First interchanger is configured as parsing Packet-out message, is -1 at Buffer_id sections of identification, action column table segment
In the case where being configured as TABLE, according to input port information in Packet-out message, inquiry is pre-configured flow table, will test
Ethernet frame is sent to second switch.
In some embodiments, the corresponding controller of second switch is configured as parsing test ethernet frame, determines and surveys
The serial number for trying ethernet frame, determines the first interchanger to second switch according to the serial number of each test ethernet frame received
Between link packet loss.
In some embodiments, the corresponding controller of second switch is configured as parsing test ethernet frame, determines and surveys
The sending time of examination ethernet frame determines that the first interchanger arrives according to sending time and the time for receiving Packet-in message
The propagation delay time of link between second switch.
In some embodiments, the corresponding controller of second switch is configured as parsing test ethernet frame, determines and surveys
The sending time and serial number of examination ethernet frame determine each according to sending time and the time for receiving Packet-in message
The propagation delay time of Packet-in message, according to the difference of the propagation delay time of adjacent Packet-in message and this is adjacent
The serial number difference of Packet-in message determines the shake of the first interchanger to the link between second switch.
In some embodiments, system further include: the corresponding controller of the first interchanger；It is corresponding in the first interchanger
In the case that controller and the corresponding controller of second switch are not the same controller, the corresponding controller of the first interchanger
Controller corresponding with second switch is configured as time synchronization.
In some embodiments, the system further include: testing service device is configured to Packet-out message, and
REST application programming interface, which is shifted, by surface layer state is sent to the corresponding controller of the first interchanger reception.
The present disclosure proposes a kind of link in network quality detecting methods based on OpenFlow agreement, pass through construction
OpenFlow Packet-out message carries test ethernet frame, makes the message according to particular way by the first interchanger and the
It is sent and received between two interchangers, further, by second switch according to the sending time and serial number in test ethernet frame
Etc. information determine the first interchanger to the link-quality between second switch.Since disclosed method is assisted based on OpenFlow
View does not need in data forwarding level to be that interchanger configures special IP address, does not need to increase additional CPU for test yet
Expense, test can be completed while handling normal OpenFlow agreement, and the survey of link individual event quality may be implemented
Examination improves the longitude and efficiency of link-quality test, reduces the waste of resource.
By the detailed description referring to the drawings to the exemplary embodiment of the disclosure, the other feature of the disclosure and its
Advantage will become apparent.
Detailed description of the invention
In order to illustrate more clearly of the embodiment of the present disclosure or technical solution in the prior art, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Disclosed some embodiments for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 shows the flow diagram of the link-quality test method of some embodiments of the present disclosure.
Fig. 2 shows the flow diagrams of the link-quality test method of other embodiments of the disclosure.
Fig. 3 shows the structural schematic diagram of the link-quality test macro of some embodiments of the present disclosure.
Fig. 4 shows the structural schematic diagram of the link-quality test macro of other embodiments of the disclosure.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried out clear, complete
Site preparation description, it is clear that described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the disclosure and its application or making
Any restrictions.Based on the embodiment in the disclosure, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, belong to the disclosure protection range.
It needs to configure the additional address loopback for interchanger for ping test, while consuming cpu resource, and nothing
Method realizes the problem of test of the unidirectional quality of link, proposes a kind of new link in network quality based on OpenFlow agreement
Test method.
The link-quality test method of the disclosure is described below with reference to Fig. 1.
Fig. 1 is the flow chart of some embodiments of disclosure link-quality test method.As shown in Figure 1, the side of the embodiment
Method includes: step S102~S108.
Step S102, the first interchanger receive the OpenFlow Packet-out message that corresponding controller is sent.
Packet-out message includes test ethernet frame, and testing includes sending time and serial number in ethernet frame.
Controller, for example, OpenDaylight software can manage multiple OpenFlow interchangers.Controller externally mentions
For operation interface, api interface etc..Packet-out message can be to be constructed by testing service device, and testing service device and first is handed over
It changes planes to receive and API (Application Programming Interface, using journey can be set between corresponding controller
Sequence programming interface), for example, REST (Representational State Transfer, the transfer of surface layer state) API, test
Server inserts the address of the first interchanger by API, and the Packet-out message of construction is sent to the first interchanger and is received
Packet-out message is sent to the first interchanger by corresponding controller, further, controller.
The parameter of Packet-out message is as shown in table 1.Test ethernet frame can be filled in Packet-out message
In Data (data) section.Buffer_id segment table shows buffer area ID number in interchanger.In_port indicates input port,
Action_len indicates the length of action (movement) list, for distinguishing actions and Data sections, Ofp_action_
Action (movement) is specified in header actions [0].Struct ofp_header header is message header.
Table 1
| Packet-out message parameter | Setting |
| Struct ofp_header header | |
| Buffer_id | |
| In_port | |
| Action_len | |
| Ofp_action_header actions[0] | |
| Data[0] | Test ethernet frame |
Step S104, the first interchanger are sent to second switch for ethernet frame is tested.
First interchanger, which receives Packet-out message, will do it parsing, read the content of each parameter section.Pass through setting
Each parameter can make the first interchanger be forwarded to second switch for ethernet frame is tested.
For example, in Packet-out message Buffer_id sections be configured as _ 1, action lists (actions) section is configured
For ALL.First interchanger parses Packet-out message, is -1 at Buffer_id sections of identification, action column table segment is configured as
In the case where ALL, test ethernet frame is sent to other all of the port in addition to input port, its other than input port
His all of the port just includes the port of second switch.
In another example in Packet-out message Buffer_id sections be configured as -1, action lists (actions) section is matched
It is set to TABLE.First interchanger parses Packet-out message, is -1 at Buffer_id sections of identification, action column table segment is configured
In the case where for TABLE, according to input port (in_port) information in Packet-out message, inquiry is pre-configured flow table, will survey
Examination ethernet frame is sent to second switch.- 1 is configured as at Buffer_id sections, action column table segment is configured as TABLE's
In the case of, the additional match information as Data segment data packet is carried out flow table inquiry by in_port.
The method of above two setting Packet-out message, action column table segment is configured as the mode of ALL by the first
The processes such as flow table inquiry can be saved, it is more efficient.And the second way reduces transinformation content, saves resource.
Step S106, second switch is encapsulated ethernet frame is tested to OpenFlow Packet-in message, and is sent
To corresponding controller.
Flow table includes data packet matched feature and data package processing method.Data packet matched feature includes: one layer: interchanger
Inbound port (Ingress Port), two layers: source MAC (Ether source), target MAC (Media Access Control) address (Ether dst), ether
Net type (EtherType), VLAN tag (VLAN id), VLAN priority (VLAN priority), three layers: source IP (IP
Src), destination IP (IP dst), IP agreement field (IP proto), IP type of service (IP ToS bits), four layers: TCP/UDP
Source port number (TCP/UDP src port), TCP/UDP destination slogan (TCP/UDP dst port).
Second switch can match it with flow table after receiving test ethernet frame, in the feelings of not occurrence
Under condition, test ethernet frame can be packaged into Packet-in message and be sent to corresponding controller.
Step S108, the corresponding controller of second switch determine that the first interchanger is handed over to second according to test ethernet frame
Link-quality between changing planes.
Link-quality generally includes three indexs: packet loss, propagation delay time and shake.
In some embodiments, the corresponding controller parsing test ethernet frame of second switch, determines test Ethernet
The serial number of frame；The corresponding controller of second switch determines the first exchange according to the serial number of each test ethernet frame received
Packet loss of the machine to the link between second switch.In case of packet loss, then controller can not receive second switch transmission
Packet-in message, the test ethernet frame of corresponding serial number can not then receive.Controller receives a certain amount of
Packet-in message can identify the quantity for the data packet lost according to the serial number of test ethernet frame, and then obtain link
Packet loss.
In some embodiments, the corresponding controller parsing test ethernet frame of second switch, determines test Ethernet
The sending time of frame；The corresponding controller of second switch is according to sending time and the time for receiving Packet-in message, really
Propagation delay time of fixed first interchanger to the link between second switch.Controller utilizes and receives Packet-in message
Time subtracts the sending time filled in test ethernet frame, the propagation delay time of the available Packet-in message, into one
Step counts the propagation delay time of multiple Packet-in message then available link.
In some embodiments, the corresponding controller parsing test ethernet frame of second switch, determines test Ethernet
The sending time and serial number of frame；The corresponding controller of second switch is according to sending time and receives Packet-in message
Time determines the propagation delay time of each Packet-in message；The corresponding controller of second switch is according to adjacent Packet-
The serial number difference of the difference of the propagation delay time of in message and the adjacent Packet-in message determines the first interchanger to
The shake of link between two interchangers.Controller can calculate the equal of the propagation delay time of each adjacent two Packet-in message
The mean value of the serial number difference of value and each adjacent two Packet-in message, using the mean value of propagation delay time divided by serial number difference
Mean value obtains shake index.
In the various embodiments described above, the corresponding controller of the first interchanger and the corresponding controller of second switch be can be together
One controller is also possible to different controllers.In the corresponding controller of the first interchanger and the corresponding control of second switch
In the case that device is not the same controller, it is also necessary to the corresponding controller of the first interchanger and the corresponding control of second switch
Device processed carries out time synchronization, guarantees the accuracy of test.
The corresponding controller of second switch returns the first determining interchanger to the link-quality between second switch
It is back to testing service device, so that maintenance personnel checks.
The method of above-described embodiment provides a kind of link in network quality detecting method based on OpenFlow agreement, leads to
Construction OpenFlow Packet-out message is crossed, test ethernet frame is carried, makes the message according to particular way by the first exchange
It is sent and received between machine and second switch, further, by second switch according to the sending time in test ethernet frame
And the information such as serial number determine the first interchanger to the link-quality between second switch.Since the method for above-described embodiment is based on
OpenFlow agreement does not need in data forwarding level to be that interchanger configures special IP address, does not need to increase for test yet
Add the expense of additional CPU, test can be completed while handling normal OpenFlow agreement, and link list may be implemented
The test of item quality improves the longitude and efficiency of link-quality test, reduces the waste of resource.
Other embodiments of disclosure link-quality test method are described below with reference to Fig. 2.
Fig. 2 is the flow chart of other embodiments of disclosure link-quality test method.As shown in Fig. 2, the embodiment
Method includes: step S202~S214.
Step S202, testing service device construct OpenFlow Packet-out message, are sent to the reception pair of the first interchanger
The controller answered.
Packet-out message includes test ethernet frame, and testing includes sending time and serial number in ethernet frame.
Step S204, the first interchanger receive corresponding controller and Packet-out message are sent to the first interchanger.
Step S206, the first interchanger parse Packet-out message, extract test ethernet frame and are sent to the second exchange
Machine.
The method that the setting of Packet-out message parameter refers to Fig. 1 embodiment.
Step S208, second switch test ethernet frame there is no occurrence in flow table in the case where, will test with
Too net frame is encapsulated as Packet-in message.
Packet-in message is sent to corresponding controller by step S210, second switch.
Step S212, the corresponding controller of second switch parse Packet-in message, are determined according to test ethernet frame
First interchanger is to the link-quality between second switch.
Step S214, the corresponding controller of second switch is by the first interchanger to the link-quality between second switch
Test result be sent to testing service device.
The disclosure also provides a kind of link-quality test macro, is described below with reference to Fig. 3 and 4.
Fig. 3 is the structure chart of some embodiments of disclosure link-quality test macro.As shown in figure 3, the system 30 includes:
First interchanger 302, second switch 304, the corresponding controller 306 of second switch.
First interchanger 302 is configured as receiving the OpenFlow Packet-out message that corresponding controller is sent.
Packet-out message includes test ethernet frame, and testing in ethernet frame includes sending time and serial number, will be surveyed
Examination ethernet frame is sent to second switch.
In some embodiments, in Packet-out message Buffer_id sections be configured as -1, action column table segment is configured
For ALL.First interchanger 302 is configured as parsing Packet-out message, is -1 at Buffer_id sections of identification, action lists
In the case that section is configured as ALL, test ethernet frame is sent to other all of the port in addition to input port, input terminal
Other all of the port other than mouthful include the port of second switch.
In some embodiments, in Packet-out message Buffer_id sections be configured as -1, action column table segment is configured
For TABLE.First interchanger 302 is configured as parsing Packet-out message, is -1 at Buffer_id sections of identification, action column
In the case that table segment is configured as TABLE, according to input port information in Packet-out message, inquiry is pre-configured flow table, will
Test ethernet frame is sent to second switch.
Second switch 304 is configured as testing ethernet frame and encapsulates to OpenFlow Packet-in message, concurrently
It send to corresponding controller.
The corresponding controller 306 of second switch is configured as determining the first interchanger to the according to test ethernet frame
Link-quality between two interchangers.
In some embodiments, the corresponding controller 306 of second switch is configured as parsing test ethernet frame, determines
The serial number for testing ethernet frame determines the first interchanger to the second exchange according to the serial number of each test ethernet frame received
The packet loss of link between machine.
In some embodiments, the corresponding controller 306 of second switch is configured as parsing test ethernet frame, determines
The sending time of test ethernet frame determines the first interchanger according to sending time and the time for receiving Packet-in message
To the propagation delay time of the link between second switch.
In some embodiments, the corresponding controller 306 of second switch is configured as parsing test ethernet frame, determines
The sending time and serial number of test ethernet frame determine each according to sending time and the time for receiving Packet-in message
The propagation delay time of Packet-in message, according to the difference of the propagation delay time of adjacent Packet-in message and this is adjacent
The serial number difference of Packet-in message determines the shake of the first interchanger to the link between second switch.
Further, link-quality test macro 30 can also include: the corresponding controller 308 of the first interchanger, be configured
To send OpenFlow Packet-out message to the first interchanger 302.The corresponding controller of first interchanger in the present embodiment
308 controllers 306 corresponding with second switch are not the same controller, the corresponding controller 308 of the first interchanger and
The corresponding controller 306 of two interchangers is configured as time synchronization.
Further, link-quality test macro 30 can also include: testing service device 310, be configured to Packet-
Out message, and REST application programming interface is shifted by surface layer state and is sent to the corresponding control of the first interchanger reception
Device.
Fig. 4 is the structure chart of other embodiments of disclosure link-quality test macro.As shown in figure 4, the system 40 is wrapped
Include: the first interchanger 402, second switch 404, controller 406, the first interchanger 402 and second switch 404 belong to
Controller 406.
First interchanger 402 is configured as realizing the function similar with the first interchanger 302 in Fig. 3, second switch 404
It is configured as realizing the function similar with second switch 304 in Fig. 3.Controller 406 is configured as realizing and hand over in Fig. 3 first
The similar function of the corresponding controller 308 of changing planes controller 306 corresponding with second switch.
Further, which can also include: testing service device 408, be configured as realizing and testing service device in Fig. 3
310 similar functions.
Those skilled in the art should be understood that embodiment of the disclosure can provide as method, system or computer journey
Sequence product.Therefore, complete hardware embodiment, complete software embodiment or combining software and hardware aspects can be used in the disclosure
The form of embodiment.Moreover, it wherein includes the calculating of computer usable program code that the disclosure, which can be used in one or more,
Machine can use the meter implemented in non-transient storage medium (including but not limited to magnetic disk storage, CD_ROM, optical memory etc.)
The form of calculation machine program product.
The disclosure is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present disclosure
Figure and/or block diagram describe.It is interpreted as to be realized by computer program instructions each in flowchart and/or the block diagram
The combination of process and/or box in process and/or box and flowchart and/or the block diagram.It can provide these computer journeys
Sequence instruct to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor with
A machine is generated, so that the instruction generation executed by computer or the processor of other programmable data processing devices is used for
Realize the dress for the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram
It sets.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The foregoing is merely the preferred embodiments of the disclosure, not to limit the disclosure, all spirit in the disclosure and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the protection scope of the disclosure.
Claims (16)
1. a kind of link-quality test method, comprising:
First interchanger receives the OpenFlow Packet-out message that corresponding controller is sent, and the Packet-out disappears
Breath includes test ethernet frame, includes sending time and serial number in the test ethernet frame；
The test ethernet frame is sent to second switch by first interchanger；
The second switch encapsulates the test ethernet frame to OpenFlow Packet-in message, and is sent to correspondence
Controller；
The corresponding controller of the second switch determines the first interchanger to second switch according to the test ethernet frame
Between link-quality.
2. link-quality test method according to claim 1, wherein
- 1 is configured as Buffer_id sections in the Packet-out message, and action column table segment is configured as ALL；
The test ethernet frame is sent to second switch by first interchanger
First interchanger parses the Packet-out message, is identifying that described Buffer_id sections is -1, action column table segment
In the case where being configured as ALL, the test ethernet frame is sent to other all of the port in addition to input port, it is described
Other all of the port other than input port include the port of second switch.
3. link-quality test method according to claim 1, wherein
- 1 is configured as Buffer_id sections in the Packet-out message, and action column table segment is configured as TABLE；
The test ethernet frame is sent to second switch by first interchanger
First interchanger parses the Packet-out message, is identifying that described Buffer_id sections is -1, action column table segment
In the case where being configured as TABLE, according to input port information in the Packet-out message, inquiry is pre-configured flow table, will
The test ethernet frame is sent to second switch.
4. link-quality test method according to claim 1, wherein the corresponding controller of the second switch according to
The test ethernet frame determines that the first interchanger includes: to the link-quality between second switch
The second switch corresponding controller parsing test ethernet frame, determines the sequence of the test ethernet frame
Number；
The corresponding controller of the second switch determines the first exchange according to the serial number of each test ethernet frame received
Packet loss of the machine to the link between second switch.
5. link-quality test method according to claim 1, wherein the corresponding controller of the second switch according to
The test ethernet frame determines that the first interchanger includes: to the link-quality between second switch
The second switch corresponding controller parsing test ethernet frame, determines the transmission of the test ethernet frame
Time；
The corresponding controller of the second switch according to the sending time and receive the Packet-in message when
Between, determine the first interchanger to the link between second switch propagation delay time.
6. link-quality test method according to claim 1, wherein the corresponding controller of the second switch according to
The test ethernet frame determines that the first interchanger includes: to the link-quality between second switch
The second switch corresponding controller parsing test ethernet frame, determines the transmission of the test ethernet frame
Time and serial number；
The corresponding controller of the second switch according to the sending time and receive the Packet-in message when
Between, determine the propagation delay time of each Packet-in message；
The corresponding controller of the second switch is according to the difference and the phase of the propagation delay time of adjacent Packet-in message
The serial number difference of adjacent Packet-in message, determines the shake of the first interchanger to the link between second switch.
7. link-quality test method according to claim 1-6, further includes:
It is not the same controller in the corresponding controller of first interchanger and the corresponding controller of the second switch
In the case where, is carried out to the corresponding controller of first interchanger and the corresponding controller of the second switch same the time
Step.
8. link-quality test method according to claim 1-6, wherein
The Packet-out message is constructed by testing service device and passes through surface layer state transfer REST application programming interface
It is sent to first interchanger and receives corresponding controller.
9. a kind of link-quality test macro, comprising:
First interchanger is configured as receiving the OpenFlow Packet-out message that corresponding controller is sent, described
Packet-out message includes test ethernet frame, includes sending time and serial number in the test ethernet frame, by the survey
Examination ethernet frame is sent to second switch；
Second switch is configured as encapsulating the test ethernet frame to OpenFlow Packet-in message, and sends
To corresponding controller；
The corresponding controller of second switch is configured as determining that the first interchanger is handed over to second according to the test ethernet frame
Link-quality between changing planes.
10. link-quality test macro according to claim 9, wherein
- 1 is configured as Buffer_id sections in the Packet-out message, and action column table segment is configured as ALL；
First interchanger is configured as parsing the Packet-out message, is identifying that described Buffer_id sections is -1, is moved
Make in the case that list section is configured as ALL, other for being sent in addition to input port by the test ethernet frame own
Port, other all of the port other than the input port include the port of second switch.
11. link-quality test macro according to claim 9, wherein
- 1 is configured as Buffer_id sections in the Packet-out message, and action column table segment is configured as TABLE；
First interchanger is configured as parsing the Packet-out message, is identifying that described Buffer_id sections is -1, is moved
Make in the case that list section is configured as TABLE, according to input port information in the Packet-out message, inquiry is pre-configured
The test ethernet frame is sent to second switch by flow table.
12. link-quality test macro according to claim 9, wherein
The corresponding controller of the second switch is configured as parsing the test ethernet frame, determines the test Ethernet
The serial number of frame determines the first interchanger to the chain between second switch according to the serial number of each test ethernet frame received
The packet loss on road.
13. link-quality test macro according to claim 9, wherein
The corresponding controller of the second switch is configured as parsing the test ethernet frame, determines the test Ethernet
The sending time of frame determines that the first interchanger arrives according to the sending time and the time for receiving the Packet-in message
The propagation delay time of link between second switch.
14. link-quality test macro according to claim 9, wherein
The corresponding controller of the second switch is configured as parsing the test ethernet frame, determines the test Ethernet
The sending time and serial number of frame determine each according to the sending time and the time for receiving the Packet-in message
The propagation delay time of Packet-in message, according to the difference of the propagation delay time of adjacent Packet-in message and this is adjacent
The serial number difference of Packet-in message determines the shake of the first interchanger to the link between second switch.
15. according to the described in any item link-quality test macros of claim 9-14, further includes: the corresponding control of the first interchanger
Device processed；
It is not the same controller in the corresponding controller of first interchanger and the corresponding controller of the second switch
In the case where, it is same that the corresponding controller of the first interchanger and the corresponding controller of the second switch are configured as the time
Step.
16. according to the described in any item link-quality test macros of claim 9-14, further includes:
Testing service device is configured to the Packet-out message, and shifts REST application program by surface layer state
Programming interface is sent to first interchanger and receives corresponding controller.
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