CN103546347B - Network routing protocol testing device and method for NE management dish - Google Patents
Network routing protocol testing device and method for NE management dish Download PDFInfo
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- CN103546347B CN103546347B CN201310528664.0A CN201310528664A CN103546347B CN 103546347 B CN103546347 B CN 103546347B CN 201310528664 A CN201310528664 A CN 201310528664A CN 103546347 B CN103546347 B CN 103546347B
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- signal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
A kind of network routing protocol testing device for NE management dish and method, relate to the field tests of NE management dish, including backboard, multiple smooth Transmit-Receive Units, multiple NE management dishes, one management dish adds corresponding light Transmit-Receive Unit one analogue network element of composition, after NE management dish processes DCC signal, the signal of telecommunication is passed to by backboard the light Transmit-Receive Unit in same analogue network element, light Transmit-Receive Unit is changed in optical signal transmission extremely connected multiple analogue network elements, receive the light Transmit-Receive Unit of optical signal, after being converted to the signal of telecommunication, by backboard, this signal is transmitted to NE management dish, checking NE management dish runs the feasibility of ospf protocol route protection；Present device can multiple cascade, can the easily large-scale networking configuration of tens nodes on model engineering, economize on resources occupation rate, saves manpower, is more easy to find the network route potential problem that in large-scale networking, multinode transceiving data bag causes.
Description
Technical field
The present invention relates to NE management dish (NMU, Network Element Management
Unit) field tests, is specifically a kind of network routing agreement for NE management dish
Test apparatus and method.
Background technology
DCC (Data Communications Channel, Data Communications Channel) is SDH
Webmaster letter is transmitted in (Synchronous Digital Hierarchy, SDH) system
The physical channel of breath.In the net block of an optical-fiber network, (Managers A/B manages Ma/Mb
Reason person A/B) and A (agency agency) between information by it transmit, work station WS
(workstation) information and between Ma/Mb transmits also by it sometimes, the section of SDH
Expense DCC is used for constituting the transmission link of SDH management net.DCC is general, and it is embedding
Enter in the section overhead of SDH, in order to constitute unified management net.
The network routing agreement of conventional network elements management looping test, is to provide DCC to lead to by optical fiber
Road, light Transmit-Receive Unit realize opto-electronic conversion, by NE management dish and light Transmit-Receive Unit cooperation group
Become various topological network form, test in order to realize the IP routing protocol of NE management dish.If
For need to be end to end by each light mouth in light Transmit-Receive Unit, form based on DCC link communication
IP network, it is all unique for often holding device IP in this IP network, and each network element has oneself
IP address, this IP address is saved in NE management dish, and each network element only has one or two to connect
Mouth (two interfaces are the most active and standby uses, and IP arranges identical) supports NE management dish, its
His most interfaces are used as light Transmit-Receive Unit, Business Processing interface unit uses.Meet for composition
Multiple IP address network of test condition, need to take substantial amounts of device resource and expend a large amount of people
Power.
In laboratory simulation test, set up complicated network and need to expend a large amount of human and material resources, net
Equipment in network need to be end to end by each light mouth in light Transmit-Receive Unit, and owing to device resource limits
System, some multinodes in large-scale networking forward and cause the network problems such as broadcast storm to be difficult to carry out
Simulation, often uses virtual unit to test, and test accuracy is short of, and not through real
The stress test of border physical equipment, stability is short of, the network that multinode transceiving data bag causes
Route potential problem is not easy to expose and finds.
Summary of the invention
For defect present in prior art, it is an object of the invention to provide a kind of for net
The network routing protocol testing device of unit's management dish and method, equipment can multiple cascade, can be light
The large-scale networking configuration of tens nodes on pine model engineering, economize on resources occupation rate, saves people
Power, is more easy to find the network route potential problem that in large-scale networking, multinode transceiving data bag causes.
For reaching object above, the present invention provides a kind of network routing for NE management dish to assist
View test device, including backboard and connected multiple smooth Transmit-Receive Unit, also includes multiple net
Unit's management dish, multiple NE management dishes are connected to described backboard, management dish add one right
Light Transmit-Receive Unit one analogue network element of composition answered, the light Transmit-Receive Unit pair in each analogue network element
Answer between light-receiving or the transmission, and the analogue network element of correspondence of multiple analogue network elements by two-way receipts
Luminous fine connection.
On the basis of technique scheme, also include the signal control module being connected with backboard,
For controlling the transmission direction of signal in each analogue network element.
On the basis of technique scheme, also include the signal on-off controller being connected with backboard,
For the signal in analogue network element is carried out break-make control.
On the basis of technique scheme, described backboard include multiple NE management dish interface and
Multiple smooth Transmit-Receive Unit interfaces, the plurality of NE management dish is respectively by NE management dish interface
Being connected to backboard, the plurality of smooth Transmit-Receive Unit is connected to the back of the body by multiple smooth Transmit-Receive Unit interfaces
Plate.
On the basis of technique scheme, multiple network routing protocol testing devices are by two-way
Transmitting-receiving optical fiber realizes cascade.
The present invention also provides for a kind of network routing protocol testing method for NE management dish, bag
After including the NE management dish general's process DCC signal in each analogue network element of following steps: S1.,
DCC signal being changed into the signal of telecommunication and passes to backboard, the signal of telecommunication is the most same by backboard transmission again
Light Transmit-Receive Unit in analogue network element；The described signal of telecommunication is changed into by the most described smooth Transmit-Receive Unit
Optical signal, is received by the light in bidirectional transmit-receive fiber-optic transfer to connected multiple analogue network elements
Bill unit；S3. receive the light Transmit-Receive Unit of described optical signal, described optical signal is converted to electricity
Signal transmission is to backboard, by backboard by the NE management in this signal of telecommunication transmission to same network element
Dish；S4. the transmission of Multiple through then out step S1 to S3, forms DCC signal at each analogue network element
Between transmission, checking NE management dish run ospf protocol route protection feasibility.
On the basis of technique scheme, described backboard connects a signal control module, letter
Number control module controls backboard and receives the transmission direction of the signal of telecommunication.
On the basis of technique scheme, described backboard connects a signal on-off controller,
Backboard connects NE management dish by NE management dish interface, and described signal on-off controller realizes
The opening or interrupt of NE management dish interface DCC signal.
On the basis of technique scheme, the NE management dish in the plurality of analogue network element
IP address all differs.
On the basis of technique scheme, if there being the DCC letter that certain NE management dish is corresponding
Number interrupt, this NE management dish enables ospf protocol and finds other network element pipes being connected with backboard
Reason dish, recovers signal transmission and process.
The beneficial effects of the present invention is:
1, NE management dish interface, and each NE management dish interface are added on backboard
There is corresponding light Transmit-Receive Unit interface corresponding, form an analogue network element (NE management
Dish adds a NE management dish composition), the different differently configured IP of analogue network element, increase network element pipe
The NE management dish interface of reason dish, by the light Transmit-Receive Unit between analogue network elements different in this equipment
It is attached, it is achieved engineering many network element group networks scene, thus avoids using huge physical equipment
Resource；Economize on resources occupation rate, cost-effective.
2, in the case of at one end network element management dish interface sticks with, can be multiple by cascade
This equipment, forms larger-scale scrnario testing, can test by more simple realization large-scale network-estabilishing, and
It is more easy to find the network route potential problem that in large-scale networking, multinode transceiving data bag causes.
Accompanying drawing explanation
Fig. 1 is the present invention network routing protocol testing device schematic diagram for NE management dish；
Fig. 2 is the present invention multi-direction physical connection schematic diagram；
Fig. 3 is that the present invention cascades use scene schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As it is shown in figure 1, the present invention is for the network routing protocol testing device of NE management dish,
Including backboard, multiple smooth Transmit-Receive Unit, multiple NE management dishes, a signal control module and
One signal on-off controller.Described backboard includes that multiple smooth Transmit-Receive Unit interface is (in Fig. 1
B, c), multiple smooth Transmit-Receive Units connect backboard by light Transmit-Receive Unit interface respectively.The described back of the body
Plate also includes multiple NE management dish interface (such as a, d in Fig. 1), and multiple NE management dishes divide
Tong Guo NE management dish and interface connection backboard.One NE management dish adds a corresponding light
Transmit-Receive Unit one analogue network element of composition, backboard connects multiple analogue network element (1,2 ... N) altogether,
The light-receiving of the corresponding multiple analogue network elements of the light Transmit-Receive Unit in each analogue network element or transmission, and
(as shown in Figure 2) is connected by optical fiber between corresponding analogue network element.Described signal controls mould
Block and signal on-off controller are all connected with backboard, and signal control module is used for controlling each analogue network element
The transmission direction of middle signal；Signal on-off controller is for leading to the signal in analogue network element
Disconnected control.
As in figure 2 it is shown, represent is the multi-direction physical connection of analogue network element part, the most two-way
Arrow represents bidirectional transmit-receive optical fiber.Such as between 5 analogue network elements, in each analogue network element
Light Transmit-Receive Unit is all connected, namely by 4 light Transmit-Receive Units of bidirectional transmit-receive optical fiber and other
Saying, the light Transmit-Receive Unit in each analogue network element receives and receives from light in other 4 analogue network elements
The optical signal of bill unit, also transmits optical signals to light Transmit-Receive Unit in other 4 analogue network elements.
As it is shown on figure 3, be used for the network routing protocol test of NE management dish a present invention
In the case of the NE management dish interface of device is the most occupied, can be by multiple of the present invention group
Network routing protocol test device, real by light Transmit-Receive Unit bidirectional transmit-receive optical fiber between adjacent stream oriented device
Now cascade, form larger-scale scrnario testing.
The present invention, for the network routing protocol testing method of NE management dish, comprises the steps:
NE management dish in the most each analogue network element is responsible for processing DCC signal, place
After reason, DCC signal is changed into the signal of telecommunication, passes to backboard by NE management dish interface, described
The signal of telecommunication is sent in the light Transmit-Receive Unit interface of backboard, and then transmission extremely same analogue network element
Light Transmit-Receive Unit.
The described signal of telecommunication is changed into optical signal by the most described smooth Transmit-Receive Unit, and by signal control
Module controls optical signal at port output corresponding to light Transmit-Receive Unit, defeated as analogue network element 1
Go out signal, received by the light in bidirectional transmit-receive fiber-optic transfer to connected multiple analogue network elements
Bill unit.Wherein the optical signal in different transmission directions, makes with the different port of light Transmit-Receive Unit defeated
Go out.
S3. the connected smooth Transmit-Receive Unit of optical signals after output receives, and receives described light
The light Transmit-Receive Unit of signal, is converted to described optical signal the signal of telecommunication and transmits the light transmitting-receiving to backboard
Unit interface, controls through signal control module, and the signal of telecommunication is sent to through light Transmit-Receive Unit interface
NE management dish in NE management dish interface, and then transmission extremely same network element processes.
S4. the signal after processing repeatedly can be sent by above-mentioned S1 to S3 flow process, thus is formed
The transmission between each analogue network element of the DCC signal, checking NE management dish runs ospf protocol
The feasibility of route protection, reaches practical implementation effect.
Utilize signal on-off controller to realize certain NE management dish interface signal to interrupt, corresponding net
Unit management dish when can not receive DCC signal, will enable OSPF (Open Shortest Path First,
Ospf) other available backplane interface resources of treaty shopping, recover signal and pass
Send and process, with the heavy-route pathfinding on this model engineering, mulitpath pathfinding, equal-cost route
The use of the multiple actual physics topology scenes such as switching, for verifying what NE management dish ran
The feasibility of ospf protocol route protection.By NE management dish parameter is arranged IP address and
Territory IP configures, and the IP of the NE management dish of each different analogue network elements all differs, it is achieved flat
The multiple flexible networking modes such as face routing structure or Tiered routing choice structure.
By the road strength that ospf protocol Automatic-searching is the shortest between analogue network element, reach sourcesink network element
Between route connect；Test result can pass through to receive on NE management dish DCC sense,
Reflect any the bar network path being to walk.As in figure 2 it is shown, such as sourcesink network element is mould respectively
Intending network element 1 and analogue network element 2, the communication between the two analogue network element is by ospf protocol certainly
Dynamic discovery analogue network element 1 is operated to this paths of analogue network element 2, by signal break-make control
Device processed simulation 1 is to 2 DCC faults of analogue network element, and sourcesink network element is assisted by enabling OSPF
View finds new path: analogue network element 1 recovers communication to analogue network element 3 to analogue network element 2,
By that analogy, when there is fault in network, sourcesink network element can recover logical by Automatic-searching available path
Letter, checks the network routing protocol handling capability of NE management dish with this.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications,
Within these improvements and modifications are also considered as protection scope of the present invention.This specification is not made in detail
The content described belongs to prior art known to professional and technical personnel in the field.
Claims (10)
1. the network routing protocol testing method for NE management dish, it is characterised in that
Comprise the steps:
After NE management dish in the most each analogue network element will process DCC signal, by DCC
Signal is changed into the signal of telecommunication and passes to backboard, and the signal of telecommunication is again by backboard transmission extremely same analogue network element
In light Transmit-Receive Unit；
The described signal of telecommunication is changed into optical signal by the most described smooth Transmit-Receive Unit, passes through bidirectional transmit-receive
Light Transmit-Receive Unit in fiber-optic transfer extremely connected multiple analogue network elements；
S3. receive the light Transmit-Receive Unit of described optical signal, described optical signal is converted to the signal of telecommunication
Transmit to backboard, by backboard by the NE management dish in this signal of telecommunication transmission to same network element；
S4. the transmission of Multiple through then out step S1 to S3, forms DCC signal at each analogue network element
Between transmission, checking NE management dish run ospf protocol route protection feasibility.
2. the network routing protocol test side for NE management dish as claimed in claim 1
Method, it is characterised in that: described backboard connects a signal control module, signal control module control
Backboard processed receives the transmission direction of the signal of telecommunication.
3. the network routing protocol test side for NE management dish as claimed in claim 1
Method, it is characterised in that: described backboard connects a signal on-off controller, and backboard passes through network element
Management dish interface connects NE management dish, and described signal on-off controller realizes NE management dish and connects
The opening or interrupt of mouthful DCC signal.
4. the network routing protocol test side for NE management dish as claimed in claim 1
Method, it is characterised in that: the IP address of the NE management dish in the plurality of analogue network element is the most not
Identical.
5. the network routing protocol test side for NE management dish as claimed in claim 1
Method, it is characterised in that: if having the DCC signal interruption that certain NE management dish is corresponding, this net
Unit's management dish enables ospf protocol and finds other NE management dishes being connected with backboard, recovers letter
Number transmit and process.
6. one kind is used for the networking road of NE management dish as described in claim 1-5 any one
By the device of protocol testing method, it is characterised in that including: backboard and connected multiple
Light Transmit-Receive Unit, it is characterised in that: also include multiple NE management dish, multiple NE management dishes
Being connected to described backboard, a management dish adds corresponding light Transmit-Receive Unit one mould of composition
Intend network element, the light-receiving of the corresponding multiple analogue network elements of light Transmit-Receive Unit in each analogue network element or
Send, and connected by bidirectional transmit-receive optical fiber between the analogue network element of correspondence.
7. the network routing protocol test dress for NE management dish as claimed in claim 6
Put, it is characterised in that: also include the signal control module being connected with backboard, be used for controlling each mould
Intend the transmission direction of signal in network element.
8. the network routing protocol test dress for NE management dish as claimed in claim 6
Put, it is characterised in that: also include the signal on-off controller being connected with backboard, for simulation
Signal in network element carries out break-make control.
9. the network routing protocol test dress for NE management dish as claimed in claim 6
Put, it is characterised in that: described backboard includes that multiple NE management dish interfaces and the transmitting-receiving of multiple light are single
Unit's interface, the plurality of NE management dish is connected to backboard by NE management dish interface respectively,
The plurality of smooth Transmit-Receive Unit is connected to backboard by multiple smooth Transmit-Receive Unit interfaces.
10. the network routing protocol test dress for NE management dish as claimed in claim 6
Put, it is characterised in that: multiple network routing protocol testing devices are realized by bidirectional transmit-receive optical fiber
Cascade.
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| CN201310528664.0A CN103546347B (en) | 2013-10-31 | 2013-10-31 | Network routing protocol testing device and method for NE management dish |
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| CN201310528664.0A CN103546347B (en) | 2013-10-31 | 2013-10-31 | Network routing protocol testing device and method for NE management dish |
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| US6728214B1 (en) * | 1999-07-28 | 2004-04-27 | Lucent Technologies Inc. | Testing of network routers under given routing protocols |
| CN100433606C (en) * | 2002-06-29 | 2008-11-12 | 中兴通讯股份有限公司 | Method for implementing optical network signal control platform |
| CN100574227C (en) * | 2004-04-08 | 2009-12-23 | 上海科泰信息技术有限公司 | Synchronous digital hierarchy optical transmission device webmaster message transmission path establishing method |
| US20070097991A1 (en) * | 2005-10-31 | 2007-05-03 | Tatman Lance A | Method and system for discovering and providing near real-time updates of VPN topologies |
| CN1889396B (en) * | 2006-07-13 | 2010-06-23 | 中兴通讯股份有限公司 | Apparatus, System and method for realizing optical monitoring channel information transmission |
| CN101387877A (en) * | 2008-07-28 | 2009-03-18 | 中兴通讯股份有限公司 | Optical fibre auto switching device and method thereof |
| CN101582719A (en) * | 2009-06-18 | 2009-11-18 | 中兴通讯股份有限公司 | Method and system for obtaining JO overhead byte as well as network element management facility and network element |
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