CN106411624A - Packet loss port positioning method and device - Google Patents
Packet loss port positioning method and device Download PDFInfo
- Publication number
- CN106411624A CN106411624A CN201611215862.1A CN201611215862A CN106411624A CN 106411624 A CN106411624 A CN 106411624A CN 201611215862 A CN201611215862 A CN 201611215862A CN 106411624 A CN106411624 A CN 106411624A
- Authority
- CN
- China
- Prior art keywords
- port
- flow path
- measured
- data flow
- target
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H04L43/0823—Errors, e.g. transmission errors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the invention discloses a packet loss port positioning method and device. A test port of a test device and each port to be tested of a device to be tested form at least one data flow path, when a packet loss situation occurs, a target port to be tested is determined, the forwarding number of data packets forwarded by the target port to be tested in a corresponding data flow path direction, and a packet loss port is determined according to the forwarding number. Thus it can be seen that by application of the scheme, the data flow paths are formed among the ports, a test port does not need to be connected between each two adjacent ports to be tested, the cost is low and the operation is simple.
Description
Technical field
The present invention relates to communication technical field, particularly to a kind of packet loss port locations method and device.
Background technology
The situation of lost data packets (packet loss), when LA Management Room carries out data transmission, often occurs.Under normal circumstances, need
Orient packet loss port, with this packet loss port is repaired or other process.
Existing packet loss position scheme generally comprises：Connecting test equipment between each two adjacent port of Devices to test
Test port, judges to whether there is packet drop between two adjacent ports by test port；If it is present this two adjacent
One of port port is packet loss port.
Using such scheme, need connecting test port between each two adjacent port of Devices to test, a test sets
Standby test port is limited；When the port of Devices to test is more, if connecting a test port between each two adjacent port,
Then need to connect multiple stage test equipment, relatively costly；If utilizing a test equipment, need this test equipment is each
Test port is sequentially connected between each adjacent port, repeated disassembled and assembled, complex operation.
Content of the invention
The purpose of the embodiment of the present invention is to provide a kind of packet loss port locations method and device, low cost and operation letter
Single.
For reaching above-mentioned purpose, the embodiment of the invention discloses a kind of packet loss port locations method, including：
Obtain test equipment and send the quantity forwarded of packet and the received quantity of receiving data bag；Wherein, described test
The test port of equipment constitutes at least one data flow path with the port each to be measured of Devices to test；
If described quantity forwarded is inconsistent with described received quantity, determine target port to be measured, obtain described target and treat
Survey the forwarding quantity in corresponding data flow path direction repeating data bag for the port；
Quantity forwarded according to acquired described test equipment in same data flow path and/or received quantity and
The forwarding quantity of described Devices to test, determines packet loss port in described target port to be measured.
Optionally, the described step determining target port to be measured, can include：
Each port to be measured of Devices to test is defined as target port to be measured；
In the described data flow path according to same the acquired quantity forwarded of described test equipment or received quantity and
The forwarding quantity of described Devices to test, the step determining packet loss port in described target port to be measured, including：
For each target port to be measured, judge forwarding in corresponding data flow path direction for this target port to be measured
Whether quantity is consistent with the forwarding quantity of the corresponding upper a port in this data flow path direction or quantity forwarded；If not,
Port to be measured for this target is defined as packet loss port；
Or, for each target port to be measured, judge this target port to be measured in corresponding data flow path direction
Forwarding quantity whether consistent with the forwarding quantity of this corresponding next port in data flow path direction or received quantity；As
Really no, port to be measured for this target is defined as packet loss port.
Optionally, the described step determining target port to be measured, can include：
Determine target port to be measured using two way classification；
In the described data flow path according to same the acquired quantity forwarded of described test equipment and received quantity and
The forwarding quantity of described Devices to test, the step determining packet loss port in described target port to be measured, can include：
Determine the port number X to be measured in testing data flow path, initial testing data flow path is described test equipment
Test port and Devices to test the data flow path that constitutes of port each to be measured；
Judge the quantity forwarded of data flow path starting point or forward quantity and X/2 port to be measured in data flow path
Forwarding quantity whether consistent；
If it is, the data flow path constituting described X/2 port to be measured with data flow path terminal is defined as treating
Survey data flow path；
If not, the data flow path constituting data flow path starting point with described X/2 port to be measured is defined as treating
Survey data flow path；
Return execution described determine testing data flow path in port number X step, until determined by number to be measured
According to only comprising two ports in flow path；
Port to be measured for one of described two ports is defined as packet loss port.
Optionally, when described test equipment comprises N number of test port, N is more than 1, and described N number of test port is set with to be measured
Standby port each to be measured constitutes N data flow path；
Described determination target port to be measured, obtains described target port to be measured and forwards in corresponding data flow path direction
The step of the forwarding quantity of packet, can include：
Data flow path inconsistent with terminal received quantity for starting point quantity forwarded is defined as target data flow path；
Determine target port to be measured in target data flow path, determined by acquisition, each target port to be measured is described
The forwarding quantity of target data flow path repeating data bag；
The acquired quantity forwarded of described test equipment and/or reception number in the described data flow path according to same
Amount and the forwarding quantity of described Devices to test, the step determining packet loss port in described target port to be measured, can include：
For every target data flow path, the starting point quantity forwarded according to described target data flow path and/or terminal
The forwarding quantity of the target port to be measured in received quantity, described target data flow path, determines described target data flow path
In packet loss port.
Optionally, after determining the step of packet loss port in described target port to be measured, can also include：
Determine the packet loss quantity of described packet loss port；
Export mark and the packet loss quantity of each packet loss port.
For reaching above-mentioned purpose, the embodiment of the invention also discloses a kind of packet loss port locations device, including：
First acquisition module, sends the quantity forwarded of packet and the reception of receiving data bag for obtaining test equipment
Quantity；Wherein, the test port of described test equipment and the port each to be measured of Devices to test constitute at least one data flow path；
First determining module, for when described quantity forwarded is inconsistent with described received quantity, determining target end to be measured
Mouthful；
Second acquisition module, for obtaining described target port to be measured in corresponding data flow path direction repeating data
The forwarding quantity of bag；
Second determining module, for the quantity forwarded according to acquired described test equipment in same data flow path
And/or the forwarding quantity of received quantity and described Devices to test, described target port to be measured determines packet loss port.
Optionally, described first determining module, specifically can be used for：
Each port to be measured of Devices to test is defined as target port to be measured；
Described second determining module, specifically for：
For each target port to be measured, judge forwarding in corresponding data flow path direction for this target port to be measured
Whether quantity is consistent with the forwarding quantity of the corresponding upper a port in this data flow path direction or quantity forwarded；If not,
Port to be measured for this target is defined as packet loss port；
Or, for each target port to be measured, judge this target port to be measured in corresponding data flow path direction
Forwarding quantity whether consistent with the forwarding quantity of this corresponding next port in data flow path direction or received quantity；As
Really no, port to be measured for this target is defined as packet loss port.
Optionally, described first determining module, specifically can be used for：
Determine target port to be measured using two way classification；
Described second determining module, specifically can be used for：
Determine the port number X to be measured in testing data flow path, initial testing data flow path is described test equipment
Test port and Devices to test the data flow path that constitutes of port each to be measured；
Judge the quantity forwarded of data flow path starting point or forward quantity and X/2 port to be measured in data flow path
Forwarding quantity whether consistent；
If it is, the data flow path constituting described X/2 port to be measured with data flow path terminal is defined as treating
Survey data flow path；
If not, the data flow path constituting data flow path starting point with described X/2 port to be measured is defined as treating
Survey data flow path；
Return execution described determine testing data flow path in port number X step, until determined by number to be measured
According to only comprising two ports in flow path；
Port to be measured for one of described two ports is defined as packet loss port.
Optionally, when described test equipment comprises N number of test port, N is more than 1, and described N number of test port is set with to be measured
Standby port each to be measured constitutes N data flow path；
Described first determining module, specifically can be used for：
Data flow path inconsistent with terminal received quantity for starting point quantity forwarded is defined as target data flow path,
Target port to be measured is determined in target data flow path；
Described second acquisition module, specifically can be used for：
Each target port to be measured determined by acquisition is in the forwarding number of described target data flow path repeating data bag
Amount；
Described second determining module, specifically can be used for：
For every target data flow path, the starting point quantity forwarded according to described target data flow path and/or terminal
The forwarding quantity of the target port to be measured in received quantity, described target data flow path, determines described target data flow path
In packet loss port.
Optionally, described device can also include：
3rd determining module, for determining the packet loss quantity of described packet loss port；
Output module, for exporting mark and the packet loss quantity of each packet loss port.
The application embodiment of the present invention, the test port of test equipment constitutes at least one with the port each to be measured of Devices to test
Data flow path, when packet drop, determines target port to be measured, obtains target port to be measured in corresponding data stream
The forwarding quantity of footpath direction repeating data bag, determines packet loss port according to this forwarding quantity.As can be seen here, apply this programme,
Data flow path is constituted it is not necessary to connecting test port, low cost and operation between each two adjacent port to be measured between each port
Simply.
Certainly, implement arbitrary product of the present invention or method must be not necessarily required to reach simultaneously all the above excellent
Point.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of packet loss port locations method provided in an embodiment of the present invention；
Fig. 2 is the first data flow path schematic diagram provided in an embodiment of the present invention；
Fig. 3 is second data flow path schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the third data flow path schematic diagram provided in an embodiment of the present invention；
Fig. 5 is data flow path schematic diagram corresponding with Fig. 3；
Fig. 6 is a kind of structural representation of packet loss port locations device provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
In order to solve above-mentioned technical problem, embodiments provide a kind of packet loss port locations method and device, can
To be applied to server, client and various electronic equipment.In addition, the electronic equipment of execution this programme can be separately provided,
Can be wholely set with test equipment it is also possible to be wholely set with Devices to test, specifically not limit.
First below a kind of packet loss port locations method provided in an embodiment of the present invention is described in detail.
Fig. 1 is a kind of schematic flow sheet of packet loss port locations method provided in an embodiment of the present invention, including：
S101：Obtain test equipment and send the quantity forwarded of packet and the received quantity of receiving data bag.Wherein, institute
The port each to be measured of the test port and Devices to test of stating test equipment constitutes at least one data flow path.
As a kind of embodiment, configuring virtual LAN VLAN can be passed through, and connection is so that test equipment
The port each to be measured of test port and Devices to test constitute at least one data flow path.
Specifically, by managing serial ports or web-based management software, the port each to be measured of Devices to test can be divided into two-by-two
Multigroup untag VLAN, if the quantity of port to be measured that Devices to test is comprised is odd number, can arrange 1 tag again
VLAN, or can also have 3 ports in same untag VLAN.Connected using shorting stub between different VLAN.To be measured set
In standby, first port to be measured and last port to be measured are connected with the test port of test equipment, the test of test equipment
Port sends and receives packet, and the port each to be measured that data flow passes through Devices to test forwards, and reaches the purpose of full load test.
As shown in Fig. 2 the solid line in Fig. 2 is connection, dotted line connects for VLAN.In Fig. 2, Devices to test has N number for the treatment of
Survey port (Port 1, Port 2, Port 3 ... Port N-1, Port N), test equipment has 1 test port (T1), structure
Become data flow path be：The output out of T1 → Port 1 → Port, 2 → Port 3 ... Port N-1 → Port N →
The input in of Port 1 → T1.
Test equipment, before being tested, can send low volume data bag to Devices to test in advance, so that Devices to test
Each port learns the MAC Address of above-mentioned data flow path.After study finishes, the transmission of test equipment record, receiving data bag
Quantity can reset.
Then test equipment starts to test：Test equipment sends packet to Devices to test, and records transmission packet
Quantity forwarded and the received quantity of receiving data bag.
The electronic equipment of execution this programme can be communicated to connect with test equipment, obtain test equipment and send sending out of packet
Send quantity and the received quantity of receiving data bag.Specifically, by extracting this quantity forwarded from order line and can receive
Quantity, or, it would however also be possible to employ other modes, specifically do not limit.
S102：If described quantity forwarded is inconsistent with described received quantity, determine target port to be measured, obtain described mesh
Mark the forwarding quantity in corresponding data flow path direction repeating data bag for the port to be measured.
If the quantity forwarded obtaining is consistent with received quantity, represent that packet drop does not occur；If the transmission number obtaining
Amount is inconsistent with received quantity, there is shown existing packet drop, needs packet loss port is positioned.
Each port to be measured of Devices to test can comprise enumerator, can store port to be measured in different numbers in enumerator
Forwarding quantity according to flow path direction repeating data bag.For example, the enumerator in Port 1 can store Port 1 and exist
The forwarding quantity of direction 1 repeating data bag and the forwarding quantity in direction 2 repeating data bag.
As a kind of embodiment, port to be measured for each of Devices to test can be defined as target port to be measured.Also
It is to say, in the present embodiment, all targets in the port N number of to be measured port to be measured of Devices to test in Fig. 2.
The electronic equipment of execution this programme can be communicated to connect with Devices to test, obtains target port to be measured in corresponding number
Forwarding quantity according to flow path direction repeating data bag.
Assume that the information that this electronic equipment obtains from test equipment and Devices to test includes：The output out of T1 (sends number
Amount)：100 packet → Port 1 (the forwarding quantity in direction 1)：100 packet → Port 2 (forwarding in direction 1
Quantity)：98 packet → Port 3 (the forwarding quantity in direction 1)：98 packet ... Port N-1 are (in direction 1
Forward quantity)：98 packet → Port N (the forwarding quantity in direction 1 to direction 2)：98 packet → Port 1 (sides
Forwarding quantity in 2)：The input in (received quantity) of 98 packet → T1：98 packets.
S103：Quantity forwarded according to acquired described test equipment in same data flow path and/or reception number
Amount and the forwarding quantity of described Devices to test, determine packet loss port in described target port to be measured.
In the above-described embodiment, each port to be measured of Devices to test is defined as target port to be measured, this situation
Under, S103 can include：
For each target port to be measured, judge forwarding in corresponding data flow path direction for this target port to be measured
Whether quantity is consistent with the forwarding quantity of the corresponding upper a port in this data flow path direction or quantity forwarded；If not,
Port to be measured for this target is defined as packet loss port；
Or, for each target port to be measured, judge this target port to be measured in corresponding data flow path direction
Forwarding quantity whether consistent with the forwarding quantity of this corresponding next port in data flow path direction or received quantity；As
Really no, port to be measured for this target is defined as packet loss port.
For target port to be measured Port 1, its forwarding quantity in direction 1 is 100 packets, and Port 1 is in side
It is T1.out to the upper a port in 1, the quantity forwarded of T1.out is 100 packets, and two quantity are consistent, and Port 1 is not
For packet loss port, in other words, Port 1 is not packet loss port in direction 1.
For target port to be measured Port 2, its forwarding quantity in direction 1 is 98 packets, and Port 2 is in direction
Upper a port in 1 is Port 1, the forwarding quantity (forwarding of the corresponding upper a port in direction 1 in direction 1 for the Port 1
Quantity) it is 100 packets, two quantity are inconsistent, and Port 2 is packet loss port.
For target port to be measured Port 3, its forwarding quantity in direction 1 is 98 packets, and Port 3 is in direction
Upper a port in 1 is Port 2, the forwarding quantity (forwarding of the corresponding upper a port in direction 1 in direction 1 for the Port 2
Quantity) it is 98 packets, two quantity are consistent, and Port 3 is not packet loss port.
……
For target port to be measured Port N, its forwarding quantity in the direction 2 of direction 1 is 98 packets, Port
Upper a port in the direction 2 of direction 1 for the N is Port N-1, and (direction 1 is corresponding for forwarding quantity in direction 1 for the Port N-1
Upper a port forwarding quantity) be 98 packets, two quantity are consistent, and Port N is not packet loss port.
For target port to be measured Port 1, its forwarding quantity in direction 2 is 98 packets, and Port 1 is in direction
Upper a port in 2 is Port N, forwarding quantity (the corresponding upper end in direction 2 in the direction 2 of direction 1 for the Port N
The forwarding quantity of mouth) it is 98 packets, two quantity are consistent, and Port 1 is not packet loss port, and in other words, Port 1 is in direction
It is not packet loss port in 2.
That is, present embodiment take be tournament method positioning packet loss port, accurate positioning.
According to being described above, finally determine that Port 2 is packet loss port.
In being described above, comparing two-by-two is to compare successively from the beginning to the end, or it is also possible to compares successively to the end from tail：
For target port to be measured Port 1, its forwarding quantity in direction 2 is 98 packets, and Port 1 is in direction
Next port in 2 is T1.in, and the received quantity of T1.in is 98 packets, and two quantity are consistent, and Port 1 is not to lose
Bag port, in other words, Port 1 is not packet loss port in direction 2.
For target port to be measured Port N, its forwarding quantity in the direction 2 of direction 1 is 98 packets, Port
Next port in direction 2 for the N is Port 1, forwarding quantity (the corresponding upper end in direction 2 in direction 2 for the Port 1
The forwarding quantity of mouth) it is 98 packets, two quantity are consistent, and Port N is not packet loss port.
For target port to be measured Port N-1, its forwarding quantity in direction 1 is 98 packets, and Port N-1 exists
Next port in direction 1 is Port N, and forwarding quantity in direction 1 for the Port N be (the corresponding upper a port in direction 1
Forward quantity) it is 98 packets, two quantity are consistent, and Port N-1 is not packet loss port.
……
For target port to be measured Port 1, its forwarding quantity in direction 1 is 100 packets, and Port 1 is in side
It is Port 2 to the next port in 1, forwarding quantity in direction 1 for the Port 2 is 98 packets, two quantity differ
Cause, Port 2 is packet loss port.
According to being described above, finally can also determine that Port 2 is packet loss port.
As a kind of embodiment it may be determined that the packet loss quantity of described packet loss port；Export the mark of each packet loss port
Know and packet loss quantity.
Specifically, forwarding quantity in direction 1 for the Port 2 is 98 packets, in direction 1 upper one of Port 2
Port is Port 1, and forwarding quantity (forwarding quantity of the corresponding upper a port in direction 1) in direction 1 for the Port 1 is 100
Individual packet, thus can determine that the packet loss quantity of Port 2 is 100-98=2 packet.
Following information can be exported：Packet loss port：Port 2；Packet loss quantity：2.The form of output information does not limit, than
As, can be with output formats interface, more intuitively reflection packet loss port and packet loss quantity.
As another embodiment, it is possible to use two way classification determines target port to be measured.In this case, S103 is permissible
Including：
Determine the port number X to be measured in testing data flow path, initial testing data flow path is described test equipment
Test port and Devices to test the data flow path that constitutes of port each to be measured；
Judge the quantity forwarded of data flow path starting point or forward quantity and X/2 port to be measured in data flow path
Forwarding quantity whether consistent；
If it is, the data flow path constituting described X/2 port to be measured with data flow path terminal is defined as treating
Survey data flow path；
If not, the data flow path constituting data flow path starting point with described X/2 port to be measured is defined as treating
Survey data flow path；
Return execution described determine testing data flow path in port number X step, until determined by number to be measured
According to only comprising two ports in flow path；
Port to be measured for one of described two ports is defined as packet loss port.
Continue to illustrate, initial testing data flow path is being made up of direction 1 and direction 2 in Fig. 2 taking Fig. 2 as a example
Data flow path, the port number X=N to be measured in initial testing data flow path, data flow path starting point is T1.out, data
Flow path terminal is T1.in, and in data flow path, X/2 port to be measured is N/2 port to be measured, if N/2 is not whole
Number, rounds to it.
The quantity forwarded of data flow path starting point T1.out is 100 packets it is assumed that the forwarding of N/2 port to be measured
Quantity is 98 packets, and two quantity are inconsistent, and data flow path starting point T1.out and the individual port to be measured of N/2 are constituted
Data flow path is defined as testing data flow path.
It is understood that N/2 forwarding quantity in direction 1 for the port to be measured is 98 packets.T1.out's
Quantity forwarded is 100 packets, and the quantity forwarded of T1.in is 98 packets, hence, it can be determined that T1.out N/2
In the data flow path that individual port to be measured is constituted, packet drop occurs, the data stream that N/2 port T1.in to be measured is constituted
Packet drop does not occur in footpath.The data flow path that T1.out N/2 port to be measured is constituted is defined as testing data stream
Path.
Redefine the port number X to be measured in new testing data flow path, now, X=N/2, data flow path rises
Point is T1.out, and data flow path terminal is N/2 port to be measured, and in data flow path, X/2 port to be measured can be
N/4 port to be measured, if N/4 is not integer, rounds to it.
The quantity forwarded of data flow path starting point T1.out is 100 packets, the forwarding number with N/4 port to be measured
98 packets of amount are inconsistent, will be true with the data flow path that N/4 port to be measured is constituted for data flow path starting point T1.out
It is set to testing data flow path.
It is understood that N/4 forwarding quantity in direction 1 for the port to be measured is 98 packets.T1.out's
Quantity forwarded is 100 packets, and N/2 forwarding quantity in direction 1 for the port to be measured is 98 packets, therefore, can
With in the data flow path of T1.out N/4 port to be measured of determination, packet drop occurs, N/4 port N/ to be measured
In the data flow path of 2 ports to be measured, packet drop does not occur.
Redefine the port number X to be measured in new testing data flow path, now, X=N/4, data flow path rises
Point is T1.out, and data flow path terminal is N/4 port to be measured, and in data flow path, X/2 port to be measured can be
N/8 port to be measured, if N/8 is not integer, rounds to it.So circulate, until in the data flow path determined only
Comprise two ports, port to be measured for one of this two ports is defined as packet loss port.
If the forwarding quantity of N/2 port to be measured is 100 packets, with sending out of data flow path starting point T1.out
Send quantity consistent, then the data flow path constituting N/2 port to be measured with data flow path terminal T1.in is defined as to be measured
Data flow path.
It is understood that N/2 forwarding quantity in direction 1 for the port to be measured is 100 packets.T1.out's
Quantity forwarded is 100 packets, and the quantity forwarded of T1.in is 98 packets, hence, it can be determined that T1.out N/2
In the data flow path that individual port to be measured is constituted, packet drop does not occur, the data flow that N/2 port T1.in to be measured is constituted
Packet drop occurs in path.The data flow path that N/2 port T1.in to be measured is constituted is defined as testing data stream
Footpath.
Redefine the port number X to be measured in new testing data flow path, now, X=N/2, data flow path rises
Point is N/2 port to be measured, and data flow path terminal is T1.in, and in data flow path, X/2 port to be measured can be the
3N/4 port to be measured, if 3N/4 is not integer, rounds to it.
The forwarding quantity of data flow path starting point (N/2 port to be measured) is 100 packets, to be measured with X/2
100 packets of forwarding quantity of port (3N/4 port to be measured in Fig. 2) are consistent, by 3N/4 port to be measured
The data flow path that T1.in is constituted is defined as testing data flow path.
It is understood that 3N/4 forwarding quantity in direction 1 for the port to be measured is 100 packets.N/2
Forwarding quantity in direction 1 for the port to be measured is 100 packets, and the received quantity of T1.in is 98 packets, therefore, can
To determine in the data flow path that 3N/4 port T1.in to be measured is constituted that packet drop occurs, N/2 port to be measured
In the data flow path of 3N/4 port to be measured composition, packet drop does not occur.
Redefine the port number X to be measured in new testing data flow path, now, X=N/4, data flow path rises
Point is 3N/4 port to be measured, and data flow path terminal is T1.in, and X/2 port to be measured can be for 7N/8 in Fig. 2
Port to be measured.So circulate, until only comprising two ports, by one of this two ports in the data flow path determined
Port to be measured is defined as packet loss port.
It should be noted that the N/2 mentioning in above-mentioned embodiment port to be measured, N/4 port to be measured, N/
8 ports to be measured, 3N/4 port to be measured, 7N/8 ports to be measured etc. all can be understood as determining using two way classification
Target port to be measured, obtains the forwarding quantity that target port to be measured forwards packet, just may further determine that packet loss port.
That is, what present embodiment took is two way classification positioning packet loss port, positioning is rapid.
It may be determined that the packet loss quantity of packet loss port after determining packet loss port；Export the mark of each packet loss port
And packet loss quantity.The form of output information does not limit, and such as, can more intuitively reflect packet loss port with output formats interface
And packet loss quantity.
Apply embodiment illustrated in fig. 1 of the present invention, the test port of test equipment is constituted with the port each to be measured of Devices to test
At least one data flow path, when packet drop, determines target port to be measured, obtains target port to be measured corresponding
The forwarding quantity of data flow path direction repeating data bag, determines packet loss port according to this forwarding quantity.As can be seen here, apply
This programme, between each port constitute data flow path it is not necessary between each two adjacent port to be measured connecting test port, low cost
And it is simple to operate.
The embodiment that the present invention provides can also be as shown in Fig. 3 or Fig. 4, and test equipment comprises multiple test ports, this
In the case of kind, S103 can include：If described quantity forwarded is inconsistent with described received quantity, by starting point quantity forwarded and end
The inconsistent data flow path of point received quantity is defined as target data flow path；Determine that target is treated in target data flow path
Survey port, each target port to be measured determined by acquisition is in the forwarding number of described target data flow path repeating data bag
Amount.
S103 can include：For every target data flow path, the starting point according to described target data flow path sends
The forwarding quantity of the target port to be measured in quantity and/or terminal received quantity, described target data flow path, determines described mesh
Packet loss port in mark data flow path.
Solid line in Fig. 3 is connection, and dotted line connects for VLAN.In Fig. 3, Devices to test has N number of port (Port to be measured
1st, Port 2, Port 3 ... Port N-1, Port N), test equipment has 2 test ports (T1 and T2), and the first of composition
Data flow path is：The input in of the output out of T1 → Port 1 → Port, 2 → Port 3 ... Port N → T2；Constitute
Article 2 data flow path be：The input of the output out of T2 → Port N ... Port 3 → Port, 2 → Port, 1 → T1
in.
The starting point of the first data flow path is the output out of T1, and terminal is the input in of T2；Article 2 data flow path
Starting point be T2 output out, terminal be T1 input in.By data inconsistent with terminal received quantity for starting point quantity forwarded
Flow path is defined as target data flow path.Target port to be measured is determined in target data flow path, every determined by acquisition
Individual target port to be measured is in the forwarding quantity of corresponding data flow path direction repeating data bag.
Concrete mode is similar with such scheme, port to be measured for each in target data flow path can be defined as target
In port to be measured, and the starting point quantity forwarded according to target data flow path or terminal received quantity, target data flow path
The forwarding quantity of target port to be measured, determines the packet loss port in target data flow path；Mesh can also be determined using two way classification
Target port to be measured in mark data flow path, according to the starting point quantity forwarded of target data flow path, terminal received quantity, mesh
The forwarding quantity of the target port to be measured in mark data flow path, determines the packet loss port in target data flow path.
That is, in every target data flow path, both can using tournament method positioning packet loss port it is also possible to
Packet loss port is positioned using two way classification.
Solid line in Fig. 4 is connection, and dotted line connects for VLAN.In Fig. 4, Devices to test has N number of port (Port to be measured
1st, Port 2, Port 3 ... Port N-1, Port N), test equipment has 3 test ports (T1, T2 and T3), and the of composition
One data flow path is：The input in of the output out of T1 → Port 1 → Port, 2 → Port 3 ... Port M → T2；Structure
Become Article 2 data flow path be：The output out of T2 → Port M ... Port N-2 → Port N-1 → Port N → T3
Input in；Constitute Article 3 data flow path be：The output out of T3 → Port N → Port N-1 → Port N-2 ...
The input in of Port 3 → Port, 2 → Port, 1 → T1.
The starting point of the first data flow path is the output out of T1, and terminal is the input in of T2；Article 2 data flow path
Starting point be T2 output out, terminal be T3 input in；The starting point of Article 3 data flow path is the output out of T23, eventually
The input in for T1 for the point.Data flow path inconsistent with terminal received quantity for starting point quantity forwarded is defined as target data stream
Path.Determine target port to be measured in target data flow path, determined by acquisition, each target port to be measured is corresponding
The forwarding quantity of data flow path direction repeating data bag.
Concrete mode is similar with such scheme, port to be measured for each in target data flow path can be defined as target
In port to be measured, and the starting point quantity forwarded according to target data flow path or terminal received quantity, target data flow path
The forwarding quantity of target port to be measured, determines the packet loss port in target data flow path；Mesh can also be determined using two way classification
Target port to be measured in mark data flow path, according to the starting point quantity forwarded of target data flow path, terminal received quantity, mesh
The forwarding quantity of the target port to be measured in mark data flow path, determines the packet loss port in target data flow path.
That is, in every target data flow path, tournament method both can have been adopted, position packet loss port, also may be used
To adopt two way classification, position packet loss port.
There is a plurality of data flow path, each port to be measured may belong to different data flow path in Fig. 3, Fig. 4, than
As the Port 2 in Fig. 3 had both belonged to the first data flow path, fell within Article 2 data flow path.Therefore, in port to be measured
Enumerator just need to store the forwarding quantity in different data streams path direction repeating data bag for the port to be measured.This situation
Under, the step of the forwarding quantity in described target data flow path repeating data bag for each target port to be measured determined by acquisition
Suddenly, can include：
Determine the sequence number of target port to be measured, odd even judgement is carried out to this sequence number, according to judged result, obtain this target and treat
Survey the forwarding quantity in described target data flow path repeating data bag for the port.
For example, in Fig. 3, N number of port to be measured is all stored with from the first data flow path and the second data
The forwarding quantity of flow path repeating data bag.Assume to utilize tournament method, compare the forwarding of the adjacent port to be measured of each two
Quantity.
Specifically, can as shown in figure 5, in the port to be measured of serial number odd number the first data flow path be in, second
Data flow path is out；In the port to be measured of serial number even number, the first data flow path is out, Article 2 data stream
Footpath labelling in.Or it is also possible on the contrary, specifically do not limit.
Therefore, it is possible to judge that the sequence number of target port to be measured is odd number or even number, according to judged result, obtain this target
Port to be measured is in the forwarding quantity of target data flow path repeating data bag：
In Fig. 5, when the first data flow path is target data flow path, if the sequence number of port to be measured is odd number,
Then it is retrieved as the forwarding quantity in the data flow path of in, if the sequence number of port to be measured is even number, be retrieved as the data of out
Forwarding quantity in flow path；
When Article 2 data flow path is target data flow path, if the sequence number of port to be measured is odd number, obtain
For the forwarding quantity in the data flow path of out, if the sequence number of port to be measured is even number, it is retrieved as the data flow path of in
In forwarding quantity.
In addition, it is necessary to explanation, before the embodiment that the execution present invention provides, can first close shadow in Devices to test
Ring the procotol of data transfer, so, statistics receives, sends, the quantity of forwarding packet is more accurate.
Or state procotol it is also possible to being not related to and closing, state procotol if being not related to and closing, statistics receives, sends, turns
Send out packet quantity when, using unicast packet count more accurate.
Corresponding with said method embodiment, the embodiment of the present invention also provides a kind of packet loss port locations device.
Fig. 6 is a kind of structural representation of packet loss port locations device provided in an embodiment of the present invention, including：
First acquisition module 601, sends the quantity forwarded of packet and connecing of receiving data bag for obtaining test equipment
Receive quantity；Wherein, the test port of described test equipment and the port each to be measured of Devices to test constitute at least one data stream
Footpath；
First determining module 602, for when described quantity forwarded is inconsistent with described received quantity, determining that target is to be measured
Port；
Second acquisition module 603, forwards in corresponding data flow path direction for obtaining described target port to be measured
The forwarding quantity of packet；
Second determining module 604, for the transmission according to acquired described test equipment in same data flow path
The forwarding quantity of quantity and/or received quantity and described Devices to test, determines packet loss port in described target port to be measured.
In the present embodiment, the first determining module 602, specifically can be used for：
Each port to be measured of Devices to test is defined as target port to be measured；
Second determining module 604, specifically can be used for：
For each target port to be measured, judge forwarding in corresponding data flow path direction for this target port to be measured
Whether quantity is consistent with the forwarding quantity of the corresponding upper a port in this data flow path direction or quantity forwarded；If not,
Port to be measured for this target is defined as packet loss port；
Or, for each target port to be measured, judge this target port to be measured in corresponding data flow path direction
Forwarding quantity whether consistent with the forwarding quantity of this corresponding next port in data flow path direction or received quantity；As
Really no, port to be measured for this target is defined as packet loss port.
In the present embodiment, the first determining module 602, specifically can be used for：
Determine target port to be measured using two way classification；
Second determining module 604, specifically can be used for：
Determine the port number X to be measured in testing data flow path, initial testing data flow path is described test equipment
Test port and Devices to test the data flow path that constitutes of port each to be measured；
Judge the quantity forwarded of data flow path starting point or forward quantity and X/2 port to be measured in data flow path
Forwarding quantity whether consistent；
If it is, the data flow path constituting described X/2 port to be measured with data flow path terminal is defined as treating
Survey data flow path；
If not, the data flow path constituting data flow path starting point with described X/2 port to be measured is defined as treating
Survey data flow path；
Return execution described determine testing data flow path in port number X step, until determined by number to be measured
According to only comprising two ports in flow path；
Port to be measured for one of described two ports is defined as packet loss port.
In the present embodiment, when described test equipment comprises N number of test port, N be more than 1, described N number of test port with
The port each to be measured of Devices to test constitutes N data flow path；
First determining module 602, specifically can be used for：
Data flow path inconsistent with terminal received quantity for starting point quantity forwarded is defined as target data flow path,
Target port to be measured is determined in target data flow path；
Second acquisition module 603, specifically can be used for：
Each target port to be measured determined by acquisition is in the forwarding number of described target data flow path repeating data bag
Amount；
Second determining module 604, specifically can be used for：
For every target data flow path, the starting point quantity forwarded according to described target data flow path and/or terminal
The forwarding quantity of the target port to be measured in received quantity, described target data flow path, determines described target data flow path
In packet loss port；Or, according to the starting point quantity forwarded of described target data flow path, terminal received quantity, described target
The forwarding quantity of the port to be measured of the target in data flow path, determines the packet loss port in described target data flow path.
In the present embodiment, described device can also include：3rd determining module and output module (not shown), its
In,
3rd determining module, for determining the packet loss quantity of described packet loss port；
Output module, for exporting mark and the packet loss quantity of each packet loss port.
Apply embodiment illustrated in fig. 6 of the present invention, the test port of test equipment is constituted with the port each to be measured of Devices to test
At least one data flow path, when packet drop, determines target port to be measured, obtains target port to be measured corresponding
The forwarding quantity of data flow path direction repeating data bag, determines packet loss port according to this forwarding quantity.As can be seen here, apply
This programme, between each port constitute data flow path it is not necessary between each two adjacent port to be measured connecting test port, low cost
And it is simple to operate.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Including also there is other consistent key element in the process of described key element, method, article or equipment.
Each embodiment in this specification is all described by the way of related, unanimously similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.Real especially for device
For applying example, because it is substantially similar to embodiment of the method, so description is fairly simple, referring to embodiment of the method in place of correlation
Part illustrate.
One of ordinary skill in the art will appreciate that realizing all or part of step in said method embodiment is can
Completed with the hardware instructing correlation by program, described program can be stored in computer read/write memory medium,
The storage medium obtaining designated herein, such as：ROM/RAM, magnetic disc, CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All
Any modification, equivalent substitution and improvement made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
Interior.
Claims (10)
1. a kind of packet loss port locations method is it is characterised in that include：
Obtain test equipment and send the quantity forwarded of packet and the received quantity of receiving data bag；Wherein, described test equipment
The port each to be measured of test port and Devices to test constitute at least one data flow path；
If described quantity forwarded is inconsistent with described received quantity, determine target port to be measured, obtain described target end to be measured
Mouth is in the forwarding quantity of corresponding data flow path direction repeating data bag；
Quantity forwarded according to acquired described test equipment in same data flow path and/or received quantity and described
The forwarding quantity of Devices to test, determines packet loss port in described target port to be measured.
2. method according to claim 1 is it is characterised in that the step of described determination target port to be measured, including：
Each port to be measured of Devices to test is defined as target port to be measured；
The acquired quantity forwarded of described test equipment or received quantity and described in the described data flow path according to same
The forwarding quantity of Devices to test, the step determining packet loss port in described target port to be measured, including：
For each target port to be measured, judge forwarding quantity in corresponding data flow path direction for this target port to be measured
Whether consistent with the forwarding quantity of the corresponding upper a port in this data flow path direction or quantity forwarded；If not, should
Target port to be measured is defined as packet loss port；
Or, for each target port to be measured, judge this target port to be measured turning in corresponding data flow path direction
Send out quantity whether consistent with the forwarding quantity of this corresponding next port in data flow path direction or received quantity；If
No, port to be measured for this target is defined as packet loss port.
3. method according to claim 1 is it is characterised in that the step of described determination target port to be measured, including：
Determine target port to be measured using two way classification；
The acquired quantity forwarded of described test equipment and received quantity and described in the described data flow path according to same
The forwarding quantity of Devices to test, the step determining packet loss port in described target port to be measured, including：
Determine the port number X to be measured in testing data flow path, initial testing data flow path is the survey of described test equipment
The data flow path that the port each to be measured of examination port and Devices to test is constituted；
Judge the quantity forwarded of data flow path starting point or forward turning of the individual port to be measured of quantity and X/2 in data flow path
Whether consistent send out quantity；
If it is, the data flow path constituting described X/2 port to be measured with data flow path terminal is defined as number to be measured
According to flow path；
If not, the data flow path constituting data flow path starting point with described X/2 port to be measured is defined as number to be measured
According to flow path；
Return execution described determine testing data flow path in port number X step, until determined by testing data stream
Two ports are only comprised in path；
Port to be measured for one of described two ports is defined as packet loss port.
4. method according to claim 1 is it is characterised in that when described test equipment comprises N number of test port, N is big
In 1, described N number of test port constitutes N data flow path with the port each to be measured of Devices to test；
Described determination target port to be measured, obtains described target port to be measured in corresponding data flow path direction repeating data
The step of the forwarding quantity of bag, including：
Data flow path inconsistent with terminal received quantity for starting point quantity forwarded is defined as target data flow path；
Determine target port to be measured in target data flow path, determined by acquisition, each target port to be measured is in described target
The forwarding quantity of data flow path repeating data bag；
In the described data flow path according to same the acquired quantity forwarded of described test equipment and/or received quantity and
The forwarding quantity of described Devices to test, the step determining packet loss port in described target port to be measured, including：
For every target data flow path, the starting point quantity forwarded according to described target data flow path and/or terminal receive
The forwarding quantity of the target port to be measured in quantity, described target data flow path, determines in described target data flow path
Packet loss port.
5. method according to claim 1 is it is characterised in that determine the step of packet loss port in described target port to be measured
After rapid, also include：
Determine the packet loss quantity of described packet loss port；
Export mark and the packet loss quantity of each packet loss port.
6. a kind of packet loss port locations device is it is characterised in that include：
First acquisition module, sends the quantity forwarded of packet and the received quantity of receiving data bag for obtaining test equipment；
Wherein, the test port of described test equipment and the port each to be measured of Devices to test constitute at least one data flow path；
First determining module, for when described quantity forwarded is inconsistent with described received quantity, determining target port to be measured；
Second acquisition module, for obtaining described target port to be measured in corresponding data flow path direction repeating data bag
Forward quantity；
Second determining module, for the quantity forwarded according to acquired described test equipment in same data flow path and/
Or the forwarding quantity of received quantity and described Devices to test, described target port to be measured determines packet loss port.
7. device according to claim 6 is it is characterised in that described first determining module, specifically for：
Each port to be measured of Devices to test is defined as target port to be measured；
Described second determining module, specifically for：
For each target port to be measured, judge forwarding quantity in corresponding data flow path direction for this target port to be measured
Whether consistent with the forwarding quantity of the corresponding upper a port in this data flow path direction or quantity forwarded；If not, should
Target port to be measured is defined as packet loss port；
Or, for each target port to be measured, judge this target port to be measured turning in corresponding data flow path direction
Send out quantity whether consistent with the forwarding quantity of this corresponding next port in data flow path direction or received quantity；If
No, port to be measured for this target is defined as packet loss port.
8. device according to claim 6 is it is characterised in that described first determining module, specifically for：
Determine target port to be measured using two way classification；
Described second determining module, specifically for：
Determine the port number X to be measured in testing data flow path, initial testing data flow path is the survey of described test equipment
The data flow path that the port each to be measured of examination port and Devices to test is constituted；
Judge the quantity forwarded of data flow path starting point or forward turning of the individual port to be measured of quantity and X/2 in data flow path
Whether consistent send out quantity；
If it is, the data flow path constituting described X/2 port to be measured with data flow path terminal is defined as number to be measured
According to flow path；
If not, the data flow path constituting data flow path starting point with described X/2 port to be measured is defined as number to be measured
According to flow path；
Return execution described determine testing data flow path in port number X step, until determined by testing data stream
Two ports are only comprised in path；
Port to be measured for one of described two ports is defined as packet loss port.
9. device according to claim 6 is it is characterised in that when described test equipment comprises N number of test port, N is big
In 1, described N number of test port constitutes N data flow path with the port each to be measured of Devices to test；
Described first determining module, specifically for：
Data flow path inconsistent with terminal received quantity for starting point quantity forwarded is defined as target data flow path, in target
Target port to be measured is determined in data flow path；
Described second acquisition module, specifically for：
Each target port to be measured determined by acquisition is in the forwarding quantity of described target data flow path repeating data bag；
Described second determining module, specifically for：
For every target data flow path, the starting point quantity forwarded according to described target data flow path and/or terminal receive
The forwarding quantity of the target port to be measured in quantity, described target data flow path, determines in described target data flow path
Packet loss port.
10. device according to claim 6 is it is characterised in that described device also includes：
3rd determining module, for determining the packet loss quantity of described packet loss port；
Output module, for exporting mark and the packet loss quantity of each packet loss port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215862.1A CN106411624A (en) | 2016-12-26 | 2016-12-26 | Packet loss port positioning method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215862.1A CN106411624A (en) | 2016-12-26 | 2016-12-26 | Packet loss port positioning method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106411624A true CN106411624A (en) | 2017-02-15 |
Family
ID=58087663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611215862.1A Pending CN106411624A (en) | 2016-12-26 | 2016-12-26 | Packet loss port positioning method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106411624A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888457A (en) * | 2017-12-08 | 2018-04-06 | 新华三技术有限公司 | Port method for detecting packet loss, device and communication equipment |
| CN112532491A (en) * | 2020-12-02 | 2021-03-19 | 中国农业银行股份有限公司 | Network equipment detection method and related device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296131A (en) * | 2008-06-11 | 2008-10-29 | 北京星网锐捷网络技术有限公司 | Method, device and system for testing switchboard connectivity |
| CN102355377A (en) * | 2011-06-30 | 2012-02-15 | 迈普通信技术股份有限公司 | Entire test system and method for Ethernet switch |
| CN102664774A (en) * | 2012-05-31 | 2012-09-12 | 迈普通信技术股份有限公司 | Method for testing port connectivity of switch |
| CN102868553A (en) * | 2012-08-28 | 2013-01-09 | 华为技术有限公司 | Failure positioning method and associated equipment |
| US20140321260A1 (en) * | 2013-04-30 | 2014-10-30 | Ciena Corporation | Optimizing fault synchronization in a bidirectional data network |
| CN104301174A (en) * | 2014-09-19 | 2015-01-21 | 汉柏科技有限公司 | Device interface detecting method and structure |
-
2016
- 2016-12-26 CN CN201611215862.1A patent/CN106411624A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296131A (en) * | 2008-06-11 | 2008-10-29 | 北京星网锐捷网络技术有限公司 | Method, device and system for testing switchboard connectivity |
| CN102355377A (en) * | 2011-06-30 | 2012-02-15 | 迈普通信技术股份有限公司 | Entire test system and method for Ethernet switch |
| CN102664774A (en) * | 2012-05-31 | 2012-09-12 | 迈普通信技术股份有限公司 | Method for testing port connectivity of switch |
| CN102868553A (en) * | 2012-08-28 | 2013-01-09 | 华为技术有限公司 | Failure positioning method and associated equipment |
| US20140321260A1 (en) * | 2013-04-30 | 2014-10-30 | Ciena Corporation | Optimizing fault synchronization in a bidirectional data network |
| CN104301174A (en) * | 2014-09-19 | 2015-01-21 | 汉柏科技有限公司 | Device interface detecting method and structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888457A (en) * | 2017-12-08 | 2018-04-06 | 新华三技术有限公司 | Port method for detecting packet loss, device and communication equipment |
| CN107888457B (en) * | 2017-12-08 | 2020-08-14 | 新华三技术有限公司 | Port packet loss detection method and device and communication equipment |
| CN112532491A (en) * | 2020-12-02 | 2021-03-19 | 中国农业银行股份有限公司 | Network equipment detection method and related device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104702588B (en) | Resolver, block processing device and associated method | |
| US5550803A (en) | Method and system for increasing network information carried in a data packet via packet tagging | |
| CN104809075A (en) | Solid recording device and method for accessing in real time and parallel processing | |
| CN105320624B (en) | The electronic device controlled using data I/O management | |
| RU2006100275A (en) | Integrated Circuit Development System | |
| CN103338464B (en) | Communication means and equipment | |
| CN202455368U (en) | Ground real-time network system for carrier rocket | |
| CN110201393A (en) | Configuration data storage method and device and electronic equipment | |
| CN106411624A (en) | Packet loss port positioning method and device | |
| CN107147590A (en) | A kind of method and system based on rdma protocol message communicating | |
| CN103346982B (en) | Star structure RapidIO interconnection system and exchange configuration method thereof | |
| CN105993148B (en) | Network interface | |
| CN108234264A (en) | A kind of data packet forwarding method and device based on the extension of PCIe signaling interfaces | |
| CN106156361A (en) | Law enforcement supervision method and device | |
| CN106294825A (en) | A kind of excel data managing method and system, client, service end | |
| CN206224538U (en) | A kind of embedded read write line and the asset management system | |
| CN110225375A (en) | A kind of direct broadcasting room connects wheat permission detection method, storage medium, equipment and system | |
| CN110048899A (en) | A kind of log detection method, device, terminal and server | |
| CN104796328B (en) | The gateway host of the data communication equipment of multiplex roles or agreement based on KNX/EIB buses | |
| CN103888314B (en) | The method that finite state machine status are verified based on uio sequence method | |
| CN105591839A (en) | Device, method and system of testing network exchange chip | |
| CN106598831A (en) | Method and device for testing SDK (software development kit) | |
| CN107911372A (en) | The method and apparatus that a kind of logic-based device realizes serial equipment access network based on ethernet | |
| CN107609065A (en) | One kind game classification method, apparatus and electronic equipment | |
| CN104678815B (en) | The interface structure and collocation method of fpga chip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |