CN109787849A - A kind of OLT logical network test method - Google Patents
A kind of OLT logical network test method Download PDFInfo
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- CN109787849A CN109787849A CN201711104168.7A CN201711104168A CN109787849A CN 109787849 A CN109787849 A CN 109787849A CN 201711104168 A CN201711104168 A CN 201711104168A CN 109787849 A CN109787849 A CN 109787849A
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Abstract
This application provides a kind of OLT logical network test methods, this method comprises: the first equipment sends Business Stream to ONU；When OLT device receives the Business Stream sent by the ONU in any network slice, first identifier and second identifier are carried in the Business Stream；And it is sent to the second equipment；Wherein, first identifier includes ONU mark；Second identifier is to be sliced user identifier for the globally unique network of each network slice distribution；When second equipment receives the Business Stream of OLT transmission, obtain the first identifier and second identifier carried in the Business Stream, and according to the corresponding relationship of the first identifier of configuration and second identifier, determine whether obtain first identifier and second identifier corresponds to, if so, determining that network slice realizes isolation；Otherwise, it determines isolation is not implemented in network slice.The program can effectively determine whether each network slice realizes isolation.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of optical line terminal (optical line terminal,
OLT) logical network test method.
Background technique
With fiber broadband access network size construction, it is special that broadband access network is gradually evolved to load bearing of home user, government and enterprises
The Full-Services access bearer network of the various businesses types such as line, mobile base station passback.Broadband access network face when full-service operation
The service that differentiation is needed support to different clients, variety classes business provides the business forwarding capability and equipment of independent isolating
Management function, and evade the resource contention as caused by resource coupling in different business operation and seize.
For this purpose, from the better angle for adapting to following more many and diverse application scenarios, Future network architectures necessarily require net
The opening and standardization of network ability interface are embodied as service-oriented and provide Internet resources and energy by software defined network technology
The scheduling and customization of power, while to further speed up the hardware and software platform of network capabilities, the ability of Network Programmable is provided, really in fact
The depth of existing network service is open.
Referring to Fig. 1, Fig. 1 is that the existing network for realizing OLT is sliced schematic diagram.It can be real by network microtomy in Fig. 1
Single one physical OLT device is now logically divided into multiple networks to be sliced, and realizes service resources, business between network slice
The independent isolating and differentiation setting that planning, service operation, service maintenance and slice manage, the service efficiency of lifting means.
Network slice is realized by Programmable Technology, for example, by using stream compression between OpenFlow flow table realization logic interfacing
Hair.Programmable Technology improves the flexibility of equipment, but this mode depends on human configuration, if configuration error or chip event
It is chaotic to may cause each network slice of data flow direction for barrier.Therefore each separate network slice spacings are verified from property, to guarantee difference
Client, variety classes service security are particularly important.
In existing realization, a kind of technical solution that can effectively verify each network slice and whether realize isolation is not provided also.
Summary of the invention
In view of this, the application provides a kind of OLT logical network test method, whether each network slice can be effectively determined
Realize isolation.
In order to solve the above technical problems, the technical solution of the application is achieved in that
A kind of OLT logical network test method, this method comprises:
First equipment sends Business Stream to ONU；
When OLT device receives the Business Stream sent by the ONU in any network slice, the is carried in the Business Stream
One mark and second identifier；And it is sent to the second equipment；Wherein, first identifier includes ONU mark；Second identifier is for each net
The globally unique network of network slice distribution is sliced user identifier；
When second equipment receives the Business Stream of OLT transmission, the first identifier carried in the Business Stream and the are obtained
Two marks, and according to the corresponding relationship of the first identifier of configuration and second identifier, determine the first identifier and second identifier obtained
Whether correspond to, if so, determining that network slice realizes isolation；Otherwise, it determines isolation is not implemented in network slice.
As can be seen from the above technical solution, by the way that the first business is marked to business stream information on OLT in the application
Mark and the second service identification examine the of identifying whether of connecting that the correspondence Business Stream that mouth receives carries on OLT and configuration
The corresponding relationship of one mark and second identifier matches, and determines whether each network slice realizes isolation.The program can be determined effectively
Whether each network slice realizes isolation.
Detailed description of the invention
Fig. 1 is that the existing network for realizing OLT is sliced schematic diagram；
Fig. 2 is OLT logical network test macro in the embodiment of the present application；
Fig. 3 is OLT logical network testing process schematic diagram in the embodiment of the present application one；
Fig. 4 is the schematic diagram of the frame format of Option 82；
Fig. 5 is Sub-option form schematic diagram in Option82；
Fig. 6 is the structural schematic diagram for increasing sub-option in the embodiment of the present application；
Fig. 7 is OLT logical network testing process schematic diagram in the embodiment of the present application two.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and examples,
Technical solution of the present invention is described in detail.
The application provides a kind of OLT logical network test method, by being marked first to business stream information on OLT
Service identification and the second service identification examine identifying whether and configuring for the correspondence Business Stream carrying for connecting that mouth receives on OLT
First identifier and second identifier corresponding relationship matching, determine whether each network slice realizes isolation.The program can be effective
Determine whether each network slice realizes isolation.
Referring to fig. 2, Fig. 2 is OLT logical network test in the embodiment of the present application to the network system of the embodiment of the present application application
System.The first equipment user sends data in Fig. 2, the second equipment for receiving data, in specific implementation, the first equipment and the
Two equipment can be data network analyzer, or energy sending and receiving data and the equipment for analyzing data；First equipment and second
Equipment can integrate to be realized within one device, can also be stood alone as two equipment and be realized.
For virtual three OLT of OLT device in Fig. 2, and three networks slices are divided；The division of network slice can be with
It is realized according to existing implementation, such as logs in EMS client, opened network in network slice administration interface and be sliced administration view,
Network slice 1, network slice 2 and network slice 3 is respectively created；And increase optical network unit under network slice respectively
(Optical Network Unit, ONU), one or more ONU in each network slice.
OLT device is that each network slice configures globally unique network and is sliced mark, such as the virtual Domain 1, virtual in Fig. 2
Range shown in domain 2 and virtual Domain 3 is a network slice.
The first identifier of each network slice and the corresponding relationship of second identifier are configured in second equipment, i.e. which the first mark
Which corresponding second identifier known.
In the specific implementation of the application, it also may include ONU mark, OLT that first identifier, which can only include that ONU is identified,
Device identification, slot number and passive optical-fiber network (Passive Optical Network, PON) port numbers etc..Second identifier is
Network is sliced user identifier.
With reference to the accompanying drawing, OLT logical network test process in the embodiment of the present application is described in detail.
Embodiment one
It is OLT logical network testing process schematic diagram in the embodiment of the present application one referring to Fig. 3, Fig. 3.Specific steps are as follows:
Step 301, the first equipment sends Business Stream to ONU.
Step 302, when OLT device receives the Business Stream sent by the ONU in any network slice, in the Business Stream
Middle carrying first identifier and second identifier；And it is sent to the second equipment.
OLT device can all carry out relevant treatment when receiving the Business Stream of ONU transmission, according to existing realization, including take
Band first identifier；What the application needed to increase processing is that upper second identifier is carried while carrying first identifier.
Wherein, second identifier is to be sliced user identifier for the globally unique network of each network slice distribution.
When the application implements, the second identifier is carried in the field that access line road (port) identifies.
When second identifier is carried in the field of access line line, the field in option 82 can be, it can also
Be PPPoE field in carry, with no restriction to this.
In the embodiment of the present application for being realized in the field in option 82:
The option82 of dynamic host configuration protocol (Dynamic Host Configuration Protocol, DHCP)
It is a kind of field for being applied to access line road (port) mark, can be used for the physical bit confidence of identity user access internet
Breath.Failure can be tracked and be judged according to user name, IP address, port numbers carried of Option 82 etc..Option
82 frame format is as shown in figure 4, Fig. 4 is the schematic diagram of the frame format of Option 82.
The frame format of Option 82 meets the regulation of RFC3046.Wherein, Code: the sequence of relay agent information option is indicated
Number, rfc3046 is defined as 82.
Len: not including Code and Len word for the byte number of proxy information domain (Agent Information Field)
Two bytes of section.
Option 82 can be made of multiple sub-option, and each 82 option of option will at least have a son choosing
?.It is Sub-option form schematic diagram in Option82 referring to Fig. 5, Fig. 5.
In Fig. 5, the serial number of the content representation sub-option of Sub0pt.
Sub-option Value indicates corresponding field mark.
Rower YD/T 2275 " access network technology requires broadband user's line attachment (port) mark " is directed to Option 82
Defined 5 sub-option are identified, OLT device mark, slot number, the PON port numbers, ONU mark of each user may be implemented
The mark of the information such as knowledge.
When the embodiment of the present application implements, OLT dhcp relay agent Option82 function is activated, for second identifier
Carrying provides two kinds of implementations in option 82:
One is increase a sub-option in the option 82 of DHCP protocol for carrying second identifier.
For this kind of implementation, can provide to increase a sub- except the sub-option used newly in agreement
Option carries second identifier.
It is the structural schematic diagram for increasing sub-option in the embodiment of the present application referring to Fig. 6, Fig. 6.The content of Sub0pt in Fig. 6
It is indicated, is illustrated as using the serial number except agreement defined 1-5 with i.
One is increase field in sub-option existing in the option 82 of DHCP protocol for carrying the
Two marks.
Step 303, it when the second equipment receives the Business Stream of OLT transmission by the upper united mouth OLT, obtains and is taken in the Business Stream
The first identifier and second identifier of band.
Step 304, the second equipment determines first obtained according to the first identifier of configuration and the corresponding relationship of second identifier
Whether mark and second identifier correspond to, if so, executing step 305；Otherwise, step 306 is executed.
Step 305, the second equipment determines that network slice realizes isolation.
Step 306, the second equipment determines that isolation is not implemented in network slice.
When the application implements, the realization of DHCP session request is can be used in the Business Stream of transmitting-receiving.
Using judging automatically whether network slice realizes isolation when the application implements, in a particular application, acquisition the
After one mark and second identifier, it can also artificially judge whether network switching realizes isolation.
Embodiment two
It is OLT logical network testing process schematic diagram in the embodiment of the present application two referring to Fig. 7, Fig. 7.Specific steps are as follows:
Step 701, the second equipment determines according to the first identifier of configuration and the corresponding relationship of second identifier and obtains the first mark
Know and second identifier is to isolation number cumulative when corresponding to.
Isolation number initial value sets 0, can realize the accumulative of isolation number every time plus by way of 1 cumulative.
Step 702, the second equipment determines whether the isolation number after adding up is greater than predetermined threshold value, if so, executing step
Rapid 703；Otherwise, step 704 is executed.
Step 703, the second equipment determines that network slice realizes isolation.
Step 704, the second equipment continues waiting for receiving Business Stream, and the isolation number after cumulative is greater than pre-determined threshold
Value determines that network slice realizes isolation；Or until determining according to the first identifier of configuration and the corresponding relationship of second identifier
It obtains first identifier and second identifier does not correspond to, and further determine that isolation is not implemented in network slice.
The present embodiment is provided with a predetermined threshold value, for determining that each network slice realizes that the number of isolation reaches this
When value, just determine that network slice really realizes Network Isolation, in order to avoid the generation accidentally realized.
Above-mentioned test is carried out for each network slice, can all-network is sliced while be tested simultaneously, it can also be with
Test one by one, or selection it is several first test, as long as realize for all-network slice test.
Second equipment determines that OLT device system is realized when determining the corresponding all-network slice realization isolation of OLT device
The isolation of network slice.
In conclusion the application is by being marked the first service identification and the second business to business stream information on OLT
Mark examines the first identifier for identifying whether and configuring and the second mark for connecting that the correspondence Business Stream that mouth receives carries on OLT
The corresponding relationship of knowledge matches, and determines whether each network slice realizes isolation.Whether the program can effectively determine each network slice
It realizes isolation, i.e., effectively verifies the independence of each network slice.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (9)
1. a kind of ONT Optical Network Terminal OLT logical network test method, which is characterized in that this method comprises:
First equipment sends Business Stream to ONU；
When OLT device receives the Business Stream sent by the ONU in any network slice, the first mark is carried in the Business Stream
Knowledge and second identifier；And it is sent to the second equipment；Wherein, first identifier includes ONU mark；Second identifier is cut for each network
The globally unique network of piece distribution is sliced user identifier；
When second equipment receives the Business Stream of OLT transmission, the first identifier carried in the Business Stream and the second mark are obtained
Know, and according to the corresponding relationship of the first identifier of configuration and second identifier, whether the first identifier and second identifier of determining acquisition
It is corresponding, if so, determining that network slice realizes isolation；Otherwise, isolation is not implemented in network slice.
2. the method according to claim 1, wherein the second identifier is carried in access line line
In field.
3. according to the method described in claim 2, it is characterized in that, the second identifier is carried in access line line
In field, comprising:
Increase a sub-option in the option 82 of dynamic host configuration protocol DHCP agreement for carrying the second mark
Know.
4. according to the method described in claim 2, it is characterized in that, the second identifier is carried in access line line
In field, comprising:
Increase a field in existing sub-option in the option 82 of DHCP protocol for carrying second identifier.
5. method according to claim 1-4, which is characterized in that the first identifier further include: OLT device mark
Knowledge, slot number and passive optical-fiber network PON port numbers.
6. the method according to claim 1, wherein the method further includes:
According to the corresponding relationship of the first identifier of configuration and second identifier, when determining acquisition first identifier and second identifier to corresponding to
Cumulative isolation number；
And determine whether the isolation number after adding up is greater than predetermined threshold value, if so, determining that network slice realizes isolation；It is no
Then, it continues waiting for receiving Business Stream, the isolation number after cumulative is greater than predetermined threshold value, or until according to the of configuration
The corresponding relationship of one mark and second identifier determines that obtaining first identifier and second identifier does not correspond to.
7. method according to claim 1-6, which is characterized in that the method further includes:
Second equipment determines that OLT device system realizes net when determining the corresponding all-network slice realization isolation of OLT device
The isolation of network slice.
8. method according to claim 1-6, which is characterized in that
First equipment and the second equipment are an equipment or two equipment.
9. method according to claim 1-6, which is characterized in that the Business Stream is DHCP session request.
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| CN110753277A (en) * | 2019-10-24 | 2020-02-04 | 烽火通信科技股份有限公司 | Method and system for configuration management in OLT network slice |
| CN112688801A (en) * | 2020-12-14 | 2021-04-20 | 宁波华讯通信服务有限公司 | Local area network construction method, device and system based on PON (Passive optical network) |
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| CN113453099A (en) * | 2021-09-01 | 2021-09-28 | 武汉长光科技有限公司 | Multicast configuration method, system, device, electronic equipment and storage medium |
| CN113676940A (en) * | 2021-08-05 | 2021-11-19 | 国网浙江省电力有限公司电力科学研究院 | Isolation test method and isolation test system for 5G power grid slice |
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