CN102195818A - Data service processing single board and method - Google Patents
Data service processing single board and method Download PDFInfo
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- CN102195818A CN102195818A CN2011101402446A CN201110140244A CN102195818A CN 102195818 A CN102195818 A CN 102195818A CN 2011101402446 A CN2011101402446 A CN 2011101402446A CN 201110140244 A CN201110140244 A CN 201110140244A CN 102195818 A CN102195818 A CN 102195818A
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- 230000005540 biological transmission Effects 0.000 claims description 36
- 230000008859 change Effects 0.000 abstract description 4
- 238000003672 processing method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
- H04L12/4625—Single bridge functionality, e.g. connection of two networks over a single bridge
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
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Abstract
The invention relates to a data service processing single board, a data service processing method, a two-layer switching processing module and equipment. The single board comprises a data service processing module, the two-layer switching processing module, a central processing unit (CPU), a plurality of input ports and a plurality of output ports, wherein the CPU is connected with the data service processing module and the two-layer switching processing module; the data service processing module is connected with the plurality of output ports; and the two-layer switching processing module is connected with the plurality of input ports. The configuration of the two-layer switching processing module can change configuration information at any time, paths are allocated and selected according to the configuration information, and the distribution of a data service can be flexibly changed. The same physical capacity can bear a greater data service volume. The unnecessary occupation of higher-layer routers can be avoided, the number of the routers can be remarkably reduced, and the cost is reduced.
Description
Technical Field
The present invention relates to the technical field of optical transmission networks, and in particular, to a data service processing board and a method.
Background
At present, data traffic is transmitted on an OTN (Optical Transport Network)/WDM (Wavelength Division Multiplexing) layer, after a section of transmission path is finished to reach a node, the data traffic must be transmitted to an upper layer, and a router or a three-layer switching processor or a switch is used to analyze a destination address of the data traffic on the upper layer, and then a decision is made as to which transmission path to use according to the destination address of the data traffic. After the path is determined, the data service is sent to the transmission line, and the determined path is taken to complete the transmission of the data service.
This has the problem that the data traffic of the OTN/WDM on all the transmission networks must be recalculated by the upper layer router at the node after one-segment transmission is finished before the next-segment transmission is carried out. If it is in the hub, the router is very workload, and in fact many services have fixed destinations, which can be reached through fixed paths, without real-time distribution via the router. Furthermore, a level of traffic must pass through a router or the like to be split into small levels of traffic or combined into a larger level of traffic, which also burdens the router.
Disclosure of Invention
The invention mainly aims to provide a data service processing single board and a method, which avoid unnecessary occupation of an upper layer router in data service transmission of a fixed path, improve the data service transmission efficiency, save time, reduce cost, conveniently realize service splitting or merging of different levels of capacity and realize flexible service configuration.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a data service processing single board comprises: the system comprises a data service processing module, a two-layer switching processing module, a CPU, a plurality of input ports and a plurality of output ports, wherein the CPU is connected with the data service processing module and the two-layer switching processing module, the data service processing module is connected with the plurality of output ports, and the two-layer switching processing module is connected with the plurality of input ports;
the two-layer switching processing module is used for receiving data services, generating configuration information of a transmission path of the data services from an input port to an output port according to the instructions of the CPU and network configuration, and sending the data services to the data service processing module;
and the data service processing module is used for receiving the data service sent by the two-layer switching processing module, processing the data service and sending the processed data service to a corresponding output port according to the configuration information.
Preferably, the two-layer switching processing module is further configured to write the configuration information into a structure table of the two-layer switching processing module, determine whether the configuration information in the structure table of the two-layer switching processing module needs to be reset, and if so, reset the configuration information; if not, receiving the data service transmitted from the input port, and judging the transmission path of the data service according to the configuration information.
Preferably, the two-layer switching processing module is configured to determine whether multiple input ports need to be integrated into one output port according to the configuration information, and if so, integrate data services input by other input ports; if not, the data traffic of the input port is forwarded directly to the output port.
Preferably, the two-layer switching processing module is configured to determine whether an input port needs to be split into multiple output ports according to configuration information, and if so, allocate the data traffic to each output port; if not, the data traffic of the input port is forwarded directly to the output port.
Preferably, the two-layer switching processing module is further configured to write the configuration information into a structure table of the two-layer switching processing module, determine whether the configuration information in the structure table of the two-layer switching processing module needs to be reset, if so, reset, and if not, execute: and the two-layer switching processing module receives the data service transmitted from the input port and judges the transmission path of the data service according to the configuration information.
The present invention also provides a data service processing method, which is applied to the data service processing single board in the technical scheme, and comprises:
generating configuration information according to the instruction of a CPU in the data service processing single board and network configuration, and writing the configuration information into a structure table;
and receiving the data service transmitted from the input port, judging the transmission path of the data service according to the configuration information, and distributing the data service to the corresponding output port according to the transmission path.
Preferably, the writing of the configuration information into the structure table is performed, and then, the method further includes:
and judging whether the configuration information in the structure table needs to be reset or not, if so, resetting, otherwise, receiving the data service transmitted from the input port, and judging the transmission path of the data service according to the configuration information.
Preferably, the determining a transmission path of the data service according to the configuration information, and allocating the data service to a corresponding output port according to the transmission path includes:
judging whether a plurality of input ports are required to be integrated to one output port according to the configuration information, and if so, integrating data services input by other input ports; if not, the data traffic of the input port is forwarded directly to the output port.
Preferably, the determining a transmission path of the data service according to the configuration information, and allocating the data service to a corresponding output port according to the transmission path includes:
judging whether an input port needs to be split into a plurality of output ports according to configuration information, and if so, distributing the data service to each output port; if not, the data traffic of the input port is forwarded directly to the output port.
The technical scheme of the invention has the following beneficial effects: the data service processing single board and the method can change the configuration information at any time through the configuration of the two-layer exchange processing module, carry out the distribution and the selection of the path according to the configuration information, and flexibly change the allocation of the data service. The ports occupied by the data services can be reasonably distributed completely according to the peak time of each data service, so that the same physical capacity can bear more data traffic. Unnecessary occupation of a router on an upper layer in data service transmission of a fixed path can be avoided, the number of routers is obviously reduced, cost is reduced, service splitting or merging of different levels of capacity can be conveniently realized, and flexible service configuration is realized.
Drawings
Fig. 1 is a schematic structural diagram of a data service processing board according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for processing a data service according to an embodiment of the present invention;
fig. 3 is another flowchart of a method for processing a data service according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
An embodiment of the present invention provides a data service processing board, as shown in fig. 1, where the board includes: the system comprises a data service processing module, a two-layer switching processing module, a CPU, a plurality of input ports and a plurality of output ports. One input port is connected with a client device and receives data service 1 and data service 2,. the data service n of the client device; one output port is also connected with a client device; the CPU is connected with the data service processing module, the two-layer switching processing module and other functional modules, the data service processing module is connected with the plurality of output ports, and the two-layer switching processing module is connected with the plurality of input ports;
the two-layer exchange processing module is used for receiving the data service, generating configuration information of a transmission path of the data service from the input port to the output port according to the instruction of the CPU and network configuration, and sending the data service to the data service processing module; in a more specific embodiment, the two-layer switching processing module is configured to determine whether multiple input ports need to be integrated into one output port according to configuration information, and if so, integrate data services input by other input ports; if not, the data traffic of the input port is forwarded directly to the output port.
Or,
the two-layer switching processing module is used for judging whether an input port needs to be split to a plurality of output ports according to configuration information, and if so, distributing the data service to each output port; if not, the data traffic of the input port is forwarded directly to the output port.
The data service processing module is configured to receive the data service sent by the two-layer switching processing module, and process the data service, for example: repackaging format, overhead extraction, etc., and sending the processed data service to the corresponding output port according to the configuration information.
In addition, in another embodiment, the two-layer switching processing module is further configured to write the configuration information into a structure table of the two-layer switching processing module, determine whether the configuration information in the structure table of the two-layer switching processing module needs to be reset, if so, reset, and if not, execute: and the two-layer switching processing module receives the data service transmitted from the input port and judges the transmission path of the data service according to the configuration information.
The single board is added with a two-layer exchange processing module (namely, a two-layer exchange chip), and the two-layer exchange processing module can realize the selection of the fixed path service, thereby avoiding unnecessary occupation of a router at an upper layer in the data service transmission of the fixed path. The two-layer exchange processing module is also controlled by the CPU controller to run, a control program for the two-layer exchange processing module needs to be added on the single board program, and a plurality of two-layer exchange processing modules can realize the control program.
The processing process of the veneer comprises the following steps:
the data service is directly input into the single board, connected to the two-layer exchange processing module, and the path is judged according to the configuration information and forwarded to the corresponding port, and then split, recombined and packed to be transmitted to the line according to the traditional processing mode. The process of taking the data service from the line is that the data service is taken from the line, processed by the data service processing module, sent to the two-layer switching processing module and then transmitted to the corresponding port to be output to the client device.
In this embodiment, the data services of the board and the client device are directly connected, and all the data services pass through the board without passing through a three-layer switch device or a router. And by configuring the two-layer exchange processing module, the following steps can be easily realized:
the data service of one input port is transmitted to one output port, so that the point-to-point exchange of the data service is realized;
the distribution of data service from one input port to a plurality of output ports realizes the splitting of data service from large-level capacity to a plurality of small-level data services and realizes the point-to-multipoint exchange of the data service;
the distribution of a plurality of input port data services to one output port realizes the integration of a plurality of small-level capacity data services to one large-level data service and realizes the multipoint-to-point exchange of the data services.
The data service processing board provided in this embodiment can change the configuration information at any time through the configuration of the two-layer switching processing module, and perform the allocation and selection of the path according to the configuration information, so that the allocation of the data service can be flexibly changed. The ports occupied by the data services can be reasonably distributed completely according to the peak time of each data service, so that the same physical capacity can bear more data traffic. Unnecessary occupation of a router on an upper layer can be avoided, the number of routers is obviously reduced, cost is reduced, service splitting or merging of different levels of capacity can be conveniently realized, and flexible service configuration is realized.
The present invention also provides a method for processing a data service, which is applied to the data service processing board provided in the foregoing embodiment, and as shown in fig. 2, the method includes the steps of:
s210, generating configuration information according to the instruction of a CPU in the data service processing single board and network configuration, and writing the configuration information into a structure table;
in this step, the board of the single board is powered on, then the two-layer switching processing module generates configuration information according to the instruction of the CPU and the network configuration, and writes the configuration information into the structure table of the two-layer switching processing module, which may occupy a large amount of CPU resources, and if the processing capability of the CPU is insufficient, may cause problems such as packet loss. Therefore, a CPU chip having a high processing speed is used. In addition, the time of the process is about second, and the CPU is not occupied for a long time. After initialization, if the network configuration changes, the configuration operation can be re-executed, whereby a new data traffic schedule will be achieved, the time for the CPU to re-execute the configuration being short, basically in milliseconds. After the configuration of the two-layer exchange processing module is completed, the forwarding of the data service is automatically completed by hardware, and a CPU is not occupied, so that the software operation of the single board is not greatly influenced.
S220, receiving the data service transmitted from the input port, judging the transmission path of the data service according to the configuration information, and distributing the data service to the corresponding output port according to the transmission path. Namely: and packaging data, framing, and connecting the data to a line, and transmitting the data to a destination.
Judging whether a plurality of input ports are needed to be integrated (for example, data services of three input ports are combined into one data service, and the formats of the data services need to be adjusted in the combination) to one output port according to the configuration information, and if so, integrating the data services input by other input ports; if not, the data traffic of the input port is forwarded directly to the output port.
Or,
judging whether an input port needs to be split (for example, a data service of a main path is split into data services of three branches, in the splitting, processing such as format adjustment needs to be involved, the method is suitable for converting a large-capacity data service into a small-capacity data service, and is opposite to the integration) to a plurality of output ports according to the configuration information, and if so, distributing the data service to each output port; if not, the data traffic of the input port is forwarded directly to the output port.
In other embodiments, as shown in fig. 3, after step S210 is executed, step S211 is further included, which determines whether the configuration information in the structure table needs to be reset, and if so, the configuration information is reset; if not, receiving the data service transmitted from the input port, and judging the transmission path of the data service according to the configuration information.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A kind of data service processing single-board, this single-board includes processing module of the data service, CPU, multiple input ports and multiple output ports, the said CPU connects the processing module of the said data service, the processing module of the said data service links with multiple output ports, characterized by that, also include the two-layer switching processing module, the said CPU connects the processing module of the said two-layer switching, the processing module of the said two-layer switching links with multiple input ports;
the two-layer switching processing module is used for receiving data services, generating configuration information of a transmission path of the data services from an input port to an output port according to the instructions of the CPU and network configuration, and sending the data services to the data service processing module;
and the data service processing module is used for receiving the data service sent by the two-layer switching processing module, processing the data service and sending the processed data service to a corresponding output port according to the configuration information.
2. The single board for processing data service according to claim 1, wherein the two-layer switching processing module is further configured to write the configuration information into a structure table of the two-layer switching processing module, determine whether the configuration information in the structure table of the two-layer switching processing module needs to be reset, and if so, reset; if not, receiving the data service transmitted from the input port, and judging the transmission path of the data service according to the configuration information.
3. The data service processing board according to claim 1 or 2, wherein the two-layer switching processing module is configured to determine whether a plurality of input ports need to be integrated into one output port according to configuration information, and if so, integrate data services input by other input ports; if not, the data traffic of the input port is forwarded directly to the output port.
4. The data service processing board according to claim 3, wherein the two-layer switching processing module is configured to determine whether an input port needs to be split into multiple output ports according to configuration information, and if so, allocate the data service to each output port; if not, the data traffic of the input port is forwarded directly to the output port.
5. A method for processing data service is characterized by comprising the following steps:
generating configuration information according to the instruction of a CPU in the data service processing single board and network configuration, and writing the configuration information into a structure table;
and receiving the data service transmitted from the input port, judging the transmission path of the data service according to the configuration information, and distributing the data service to the corresponding output port according to the transmission path.
6. The method of claim 5, wherein after performing writing the configuration information into the structure table, further comprising:
judging whether the configuration information in the structure table needs to be reset or not, if so, resetting; if not, receiving the data service transmitted from the input port, and judging the transmission path of the data service according to the configuration information.
7. The method according to claim 5 or 6, wherein the determining a transmission path of the data traffic according to the configuration information, and the allocating the data traffic to a corresponding output port according to the transmission path comprises:
judging whether a plurality of input ports are required to be integrated to one output port according to the configuration information, and if so, integrating data services input by other input ports; if not, the data traffic of the input port is forwarded directly to the output port.
8. The method of claim 7, wherein the determining a transmission path of the data traffic according to the configuration information, and the allocating the data traffic to a corresponding output port according to the transmission path comprises:
judging whether an input port needs to be split into a plurality of output ports according to configuration information, and if so, distributing the data service to each output port; if not, the data traffic of the input port is forwarded directly to the output port.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110140244.6A CN102195818B (en) | 2011-05-27 | 2011-05-27 | Data service processing single board and method |
| PCT/CN2011/081517 WO2012163031A1 (en) | 2011-05-27 | 2011-10-28 | Data service processing board and method |
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| CN201110140244.6A CN102195818B (en) | 2011-05-27 | 2011-05-27 | Data service processing single board and method |
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| CN102195818A true CN102195818A (en) | 2011-09-21 |
| CN102195818B CN102195818B (en) | 2015-12-16 |
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Cited By (6)
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| CN102387047A (en) * | 2011-10-21 | 2012-03-21 | 中兴通讯股份有限公司 | Monitoring system of transmission equipment, corresponding configuration method and data transmission method |
| WO2012163031A1 (en) * | 2011-05-27 | 2012-12-06 | 中兴通讯股份有限公司 | Data service processing board and method |
| CN107948045A (en) * | 2017-12-25 | 2018-04-20 | 上海京颐科技股份有限公司 | Doctors and patients' system based on bridge |
| CN107948043A (en) * | 2017-12-25 | 2018-04-20 | 上海京颐科技股份有限公司 | A kind of bridge |
| CN108156065A (en) * | 2017-12-25 | 2018-06-12 | 上海京颐科技股份有限公司 | Doctors and patients' system based on bridge |
| CN112787961A (en) * | 2020-12-31 | 2021-05-11 | 锐捷网络股份有限公司 | Physical port splitting method and device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102195818B (en) | 2015-12-16 |
| WO2012163031A1 (en) | 2012-12-06 |
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