Invention content
Based on this, it is necessary to which in view of the above technical problems, compatible place can be done to different data models by providing a kind of ACS
Reason, and then the method, apparatus and system that the multi-edition data model of difference is compatible between adaptation different editions data model.
To achieve the goals above, on the one hand, an embodiment of the present invention provides a kind of multi-editions implemented from ACS angles
According to the method that model is compatible with, including step:
When receiving the periodic notification information that cpe device reports, the data model version of cpe device is obtained;
It calls the adapter of corresponding data model version, business processing is carried out to periodic notification information, and is anti-to cpe device
Feedback processing message.
Further include step in one of the embodiments,:
When receiving the registration request of cpe device transmission, according to the data model node that registration request carries, determine
The data model of cpe device is classified;
Based on the data model version of data model classification marker cpe device, recording mark as a result, and to cpe device
Feed back the message that succeeds in registration.
The step of result of recording mark includes in one of the embodiments,:By the result input database of label;
Obtain cpe device data model version the step of include:
Inquire database;
According to the version information that database is responded, the data model version of cpe device is determined.
Call the adapter of corresponding data model version in one of the embodiments, to periodic notification information into industry
Business handles, and includes to the step of cpe device feedback processing message:
According to type of service and data model version, the data model table of comparisons in searching data library obtains periodic notification
The corresponding design parameter of information;The data model table of comparisons includes that the corresponding parameter of each edition data model and type of service correspond to
Parameter;
It calls adapter to encapsulate periodic notification information according to design parameter, and responds cpe device.
Data model version is TR098 versions or TR181 versions in one of the embodiments,.
On the one hand, the embodiment of the present invention additionally provides a kind of multi-edition data model compatibility implemented from cpe device angle
Method, including step:
To ACS report cycle notification informations, the processing message of ACS feedbacks is received;Processing message is passed through by periodic notification information
The data model version that ACS obtains cpe device is crossed, and adapter corresponding with data model version is called to carry out business processing
After obtain.
Further include step in one of the embodiments,:
Registration request is sent to ACS;It is true that registration request is used to indicate the data model node that ACS is carried according to registration request
Determine the data model classification of cpe device, and based on the data model version of data model classification marker cpe device;
Receive the message that succeeds in registration of ACS feedbacks;The message that succeeds in registration is by registration request by ACS processing and recording mark
Result after feed back.
A kind of multi-edition data model compatible apparatus implemented from ACS angles, including:
Model version module is obtained, for when receiving the periodic notification information that cpe device reports, obtaining cpe device
Data model version;
Processing module is called, for calling the adapter of corresponding data model version, carrying out business to periodic notification information
Processing, and to cpe device feedback processing message.
A kind of multi-edition data model compatible apparatus implemented from cpe device angle, including:
Data transmission blocks are used for ACS report cycle notification informations;
Message reception module, the processing message for receiving ACS feedbacks;It handles message and ACS is passed through by periodic notification information
The data model version of cpe device is obtained, and is obtained after calling adapter corresponding with data model version to carry out business processing
It arrives.
A kind of multi-edition data model compatible system, including ACS and cpe device;
The method that ACS is used to execute the above-mentioned multi-edition data model compatibility implemented from ACS angles;
The method that cpe device is used to execute the above-mentioned multi-edition data model compatibility implemented from cpe device angle.
A kind of computer readable storage medium is stored thereon with computer program, when computer program is executed by processor
The step of realizing the method for above-mentioned multi-edition data model compatibility.
A technical solution in above-mentioned technical proposal has the following advantages that and advantageous effect:
The data model version of cpe device is obtained by identification, and calls the adapter of corresponding data model version to week
Phase notification information carries out business processing, and the message of each cpe device of access simultaneously is transferred to corresponding adapter by the present invention, and is divided
The other cpe device to different data model carries out business processing (including all RPC method calls defined in TR069 agreements);
The present invention can carry out version adaptation to TR069 agreement different editions data models, i.e. an ac server can access more simultaneously
The cpe device of a different editions agreement (i.e. multi version equipment shares an ACS) so that ACS can be to different data models
Compatible processing, and then the difference being adapted between different editions data model are done, server cost and follow-up maintenance cost are saved.
Specific implementation mode
It is with reference to the accompanying drawings and embodiments, right in order to make the object, technical solution and advantage of the application be more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
In traditional technology, the data model based on TR069 agreements has TR098 and TR181 etc., cpe device can optional one
It realizes.Leading to the equipment using TR098 and TR181 in this way, ACS is looked into processing parameter respectively while when accessing the same ACS
It cannot be uniformly processed when the business such as inquiry or parameter setting, for example, work as the software version parameter that ACS will inquire an equipment, two kinds
Definition in model TR098 and TR181 is different, and ACS must encapsulate different message packets and be interacted with cpe device.Mesh
The equipment that can only monitor same version of preceding ACS can not accomplish between different editions while monitor.
Various embodiments of the present invention are related to the data interaction between ACS and cpe device, and the network element being related to includes NMS and CPE bases
It stands.It is an object of the invention to ACS to do compatible processing to different data models, to be adapted between different editions data model
Difference.
The method of multi-edition data model compatibility provided by the present application, can be applied in application environment as shown in Figure 1.
Wherein, subscriber terminal equipment (CPE) 102 is communicated with Automatic Configuration Server (ACS) 104.Wherein, cpe device is often laid
In the client of FTTX (Fiber To The X, light access) family's visitor's business, for provide domestic customers cable broadband,
The business such as IPTV, VOIP.Automatic Configuration Server 104, for being responsible for terminal device CPE in TR-069 protocol network frameworks
It is managed, can be realized with the server cluster of the either multiple server compositions of independent server.
In one embodiment, as shown in Fig. 2, providing a kind of method of multi-edition data model compatibility, in this way
Applied to being illustrated for the ACS in Fig. 1, include the following steps:
Step 202, when receiving the periodic notification information that cpe device reports, the data model version of cpe device is obtained
This.
Wherein, periodic notification information can refer to Inform notices, and Inform notices can be multiple, i.e., by each CPE
Equipment is sent to ACS simultaneously.And the data model (Data Model) based on TR069 agreements has TR098 and TR181 etc., CPE to set
It is standby optionally one to realize;Cpe device will not be changed in the data model (i.e. by some protocol definition after) of an optional version
Its version used (it is cost and unstability that fortune can be increased by, which often changing).Data model version refers to data model
Version (version number, release protocol), i.e. cpe device specifically use which kind of protocol definition data model.
It should be noted that by taking TR098 and TR181 as an example, TR098 and TR181 defines the data model of cpe device,
Define the information such as the title, data type, whether writeable, description of CPE parameters.
Specifically, version adaptation is carried out in order to be directed to TR069 agreement different editions data models, ACS is set receiving CPE
When the standby message reported, its data model version is judged.For example, the parameter carried according to message content (i.e. periodic notification message)
Information (such as data model parameters, data model node etc.), confirms the data model version of the cpe device;Or pass through access
The version information of each CPE records, and confirms its data modeling stencilling sheet;Or each CPE version informations are prerecorded with by inquiry
Database confirms its data modeling stencilling sheet.
Step 204, it calls the adapter of corresponding data model version, carry out business processing to periodic notification information, and to
Cpe device feedback processing message.
Wherein, adapter can refer to Adaptor, i.e. adaptor module.As shown in figure 3, for the data mould of different editions
Type, ACS handle its business using different Adaptor (adapter).The quantity of adapter can be according to definition cpe device number
It is determined according to the classification of the protocol version of model.
Specifically, as shown in figure 4, ACS is transferred to different adaptor modules into industry according to different data model versions
Business is handled;Adaptor module completes packet encapsulation, and response process message.Further, ACS is transferred to according to different versions
Different adaptor modules parses its message, the message after parsing is given to general business data processing module, and at response
Manage message.
Further, it calls the adapter of corresponding data model version, carry out business processing to periodic notification information, and to
The step of cpe device feedback processing message may include:
According to type of service and data model version, the data model table of comparisons in searching data library obtains periodic notification
The corresponding design parameter of information;
It calls adapter to encapsulate periodic notification information according to design parameter, and responds cpe device.
Specifically, according to the difference of the different and pending business of data model version, ACS can be by reading data
Different parameter names, is transferred to corresponding branch orchestration by model comparison table, such as TR098 and the TR181 data model tables of comparisons, such as
Two adapters of corresponding TR098 and TR181, respectively to the cpe device of different data model carry out business processing (including
All RPC method calls defined in TR069 agreements).
It should be noted that the data model table of comparisons may include the corresponding parameter of each edition data model and type of service
Corresponding parameter;By taking TR098 and TR181 as an example, as shown in following table-table 1:
The table of comparisons of table 1-TR098 and TR181 models:
Corresponding table information can be recorded in advance in database D B (Database), according to TR098 and TR181 agreements
Input database is defined, convenient for inquiry.
ACS such as inquires some parameter when handling CPE business, and the model version of CPE is obtained first from database,
Find out the design parameter name of this parameter according to type of service and model version from the data model table of comparisons again.
By corresponding adapter according to specific parameter name encapsulation messages, cpe device is responded, completion is interacted with cpe device.
Further, data model version can be TR098 versions or TR181 versions.
Specifically, the above method is based on, when the equipment using TR098 and TR181 accesses the same ACS simultaneously respectively
When, ACS can do different data models compatible processing, and then the difference being adapted between different editions data model, realize
Multi version equipment shares an ACS.
In the method that the above-mentioned multi-edition data model implemented from ACS angles is compatible with, ACS obtains cpe device by identification
Data model version, and the adapter of corresponding data model version is called to carry out business processing to periodic notification information, you can
The message of each cpe device of access simultaneously is transferred into corresponding adapter, and the cpe device of different data model is carried out respectively
Business processing (including all RPC method calls defined in TR069 agreements);One ac server can access simultaneously it is multiple not
With the cpe device of release protocol;The present invention can do different version TR069 agreements compatible processing, and then be adapted to different editions
Difference between data model.
In addition, the method that the above-mentioned multi-edition data model implemented from ACS angles is compatible with, to TR069 agreement different editions
Data model has done version adaptation, can be compatible with the equipment access of multi version agreement simultaneously, accomplish that more equipment share the same ACS's
Purpose.The present invention realizes that multi version equipment shares an ACS, saves server cost and follow-up maintenance cost, improves ACS products
Competitiveness, save hardware and maintenance cost, it can be achieved that multi version equipment mixing access and management.
In one embodiment, as shown in figure 5, providing a kind of method of multi-edition data model compatibility, in this way
Applied to being illustrated for the ACS in Fig. 1, include the following steps:
Step 502, when receiving the registration request of cpe device transmission, according to the data model section of registration request carrying
Point determines the data model classification of cpe device.
Wherein, registration request refers to the request that cpe device is initiated, and data model node is carried on the registration request
(i.e. data model parameters);And inventor has found that TR098 and TR181 are maximum difference lies in parameter name is different, such as " software version
This " this parameter, the definition in TR098 is InternetGatewayDevice.DeviceInfo.SoftwareVersion,
And the definition in TR181 is Device.DeviceInfo.SoftwareVersion.
Specifically, ACS receives the registration request of cpe device initiation, the data model node carried according to registration request
Judge the data model classification of (record) cpe device, such as it is TR181 that parameter, which is the judgement started with Device, and parameter is
It is TR098 with the InternetGatewayDevice judgements started.Further, the data model point of each cpe device is recorded
Class.
It should be noted that most of for the way to manage of TR069 data models is all pre-defined data model section
The description file of point, then describes file by data model node and is compiled into TR069 service processes.Data model node can refer to
The data model parameters (any parameter) that registration request carries.
Step 504, the data model version based on data model classification marker cpe device, recording mark as a result, and to
Cpe device feeds back the message that succeeds in registration.
Specifically, ACS can be marked each cpe device, based on the above-mentioned data model classification determined for remembering
Which version the data model for recording cpe device is.The mode that label may be used records, for example, classify according to data model, it is right
Each cpe device distributes or one label of mark, is TR098 or TR181;In turn, ACS responds cpe device and succeeds in registration.
Step 506, when receiving the periodic notification information that cpe device reports, the data model version of cpe device is obtained
This.
Step 508, it calls the adapter of corresponding data model version, carry out business processing to periodic notification information, and to
Cpe device feedback processing message.
It should be noted that the realization process of step 506, step 508 can be found in and above-mentioned be retouched to step 202, step 204
It states, details are not described herein again.
It further, can be with as shown in fig. 6, cpe device is registered in the flow of ACS, the step of the result of recording mark
Including:
By the result input database of label;
Specifically, which version the data model that database D B can be used for recording cpe device is.It is set receiving CPE
When the registration request that preparation rises, the data model node that ACS is reported according to it judges data category of model, as parameter be with
Device beginnings are denoted as TR181, and parameter is to be denoted as TR098 with what InternetGatewayDevice started;ACS is recorded
Its data model is categorized into database, each cpe device is TR098 or TR181 there are one label;ACS responds CPE
Facility registration success.
Further, as shown in fig. 7, the step of obtaining the data model version of cpe device includes:
Inquire database;
According to the version information that database is responded, the data model version of cpe device is determined.
Specifically, when receiving the periodic notification information that CPE is reported, ACS inquires database, judges its data model
Version.ACS is transferred to different adaptor modules according to different data model versions and carries out business processing;It is complete by adaptor module
At packet encapsulation, and then response process message.
In the method that the above-mentioned multi-edition data model implemented from ACS angles is compatible with, ACS is asked based on the CPE registrations initiated
It asks, which version the data model for recording cpe device is so that, can be fast when the cpe device of multi version agreement accesses simultaneously
The version of the fast agreement for accurately identifying the data model for defining cpe device, and then arrange corresponding adapter to its message
Parsing and business processing are carried out, realizes that multi version equipment shares an ACS, saves server cost and follow-up maintenance cost,
The competitiveness of ACS products is improved, hardware and maintenance cost are saved, realizes multi version equipment mixing access and management.
In one embodiment, as shown in figure 8, providing a kind of method of multi-edition data model compatibility, in this way
Applied to being illustrated for the cpe device in Fig. 1, include the following steps:
Step S806 receives the processing message of ACS feedbacks to ACS report cycle notification informations;Processing message is led to by the period
Know that information obtains the data model version of cpe device by ACS, and adapter corresponding with data model version is called to carry out
It is obtained after business processing.
It should be noted that processing message is obtained the data model version of cpe device by periodic notification information by ACS,
And call the realization process obtained after corresponding with data model version adapter progress business processing, reference can be made to it is above-mentioned from
The method for the multi-edition data model compatibility that ACS angles are implemented, details are not described herein again.
In one embodiment, as shown in figure 8, providing a kind of method of multi-edition data model compatibility, in this way
It is further comprising the steps of before step S806 applied to being illustrated for the cpe device in Fig. 1:
Step S802 sends registration request to ACS;Registration request is used to indicate the data that ACS is carried according to registration request
Model node determines the data model classification of cpe device, and based on the data model version of data model classification marker cpe device
This;
Step S804 receives the message that succeeds in registration of ACS feedbacks;The message that succeeds in registration passes through ACS processing by registration request
And fed back after the result of recording mark.
Specifically, the registration request that cpe device is initiated carries data model node (i.e. data mould on the registration request
Shape parameter), and then judge that the data model of (record) cpe device divides according to the data model node that registration request carries by ACS
Class, and based on the data model version of data model classification marker cpe device.
It should be noted that registration request, which is used to indicate the data model node that ACS is carried according to registration request, determines CPE
The data model of equipment is classified, and based on the data model version of data model classification marker cpe device, and is succeeded in registration and disappeared
The specific implementation process that breath is fed back by registration request after ACS the processing simultaneously result of recording mark, reference can be made to above-mentioned from the angles ACS
The method for the multi-edition data model compatibility that degree is implemented, details are not described herein again.
In the method that the above-mentioned multi-edition data model implemented from cpe device angle is compatible with, cpe device reports week to ACS
Phase property message information, the data model version of cpe device is obtained by ACS by identification, and calls corresponding data model version
Adapter carries out business processing to periodic notification information, you can transfers to the message of each cpe device of access simultaneously corresponding suitable
Orchestration carries out business processing;The cpe device of multiple and different release protocols can access an ac server simultaneously.
Further, cpe device initiates registration request to ACS, which the data model convenient for ACS record cpe devices is
Version;And then when the cpe device of multi version agreement accesses simultaneously, ACS, which can be identified fast and accurately, defines cpe device
The version of the agreement of data model, and then corresponding adapter is arranged to carry out parsing and business processing to its message, save clothes
Device cost of being engaged in and follow-up maintenance cost save hardware and maintenance cost, realize multi version equipment mixing access and management.
It should be understood that although each step in the flow chart of Fig. 2-8 is shown successively according to the instruction of arrow,
These steps are not that the inevitable sequence indicated according to arrow executes successively.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, at least one in Fig. 2-8
Part steps may include that either these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively
It carries out, but can either the sub-step of other steps or at least part in stage be in turn or alternately with other steps
It executes.
In one embodiment, as shown in figure 9, providing a kind of multi-edition data model compatibility implemented from ACS angles
Device, including:
Model version module 910 is obtained, is set for when receiving the periodic notification information that cpe device reports, obtaining CPE
Standby data model version;
Processing module 920 is called, for calling the adapter of corresponding data model version, to periodic notification information into industry
Business is handled, and to cpe device feedback processing message.
Further, as shown in Figure 10, further include:
Sort module 930, the number for when receiving the registration request of cpe device transmission, being carried according to registration request
According to model node, the data model classification of cpe device is determined;
Logging modle 940, based on the data model version of data model classification marker cpe device, recording mark as a result,
And feed back the message that succeeds in registration to cpe device.
Further, logging modle 940, the result input database for that will mark.
Further, model version module 910 is obtained, for inquiring database;And believed according to the version that database is responded
Breath, determines the data model version of cpe device.
Further, processing module 920 is called, for according to type of service and data model version, in searching data library
The data model table of comparisons, obtain the corresponding design parameter of periodic notification information;The data model table of comparisons includes each edition data
The corresponding parameter of model and the corresponding parameter of type of service;Adapter is called to encapsulate periodic notification information according to design parameter,
And respond cpe device.
Further, data model version is TR098 versions or TR181 versions.
In one embodiment, as shown in figure 11, a kind of multi-edition data model implemented from cpe device angle is provided
Compatible apparatus, including:
Data transmission blocks 110 are used for ACS report cycle notification informations;
Message reception module 120, the processing message for receiving ACS feedbacks;Processing message is passed through by periodic notification information
After ACS obtains the data model version of cpe device, and calling adapter corresponding with data model version carries out business processing
It obtains.
Further, data transmission blocks 110, for sending registration request to ACS;Registration request is used to indicate ACS roots
The data model node carried according to registration request determines the data model classification of cpe device, and is based on data model classification marker
The data model version of cpe device;
Message reception module 120, the message that succeeds in registration for receiving ACS feedbacks;Message succeed in registration by registration request
By what is fed back after the result of ACS processing and recording mark.
Specific restriction about the multi-edition data model compatible apparatus implemented from ACS angles or from cpe device angle can
Restriction in the method being compatible with for multi-edition data model in seeing above, details are not described herein.Above-mentioned multi-edition data mould
Modules in type compatible apparatus can be realized fully or partially through software, hardware and combinations thereof.Above-mentioned each module can be with
Example, in hardware is embedded in or independently of in the processor in computer equipment, can also be stored in computer equipment in a software form
In memory in, execute the corresponding operation of above modules in order to which processor calls.
In one embodiment, as shown in Figure 1, providing a kind of multi-edition data model compatible system, including ACS and
Cpe device;
The method that ACS is used to execute the above-mentioned multi-edition data model compatibility implemented from ACS angles;
The method that cpe device is used to execute the above-mentioned multi-edition data model compatibility implemented from cpe device angle.
In one embodiment, a kind of ACS is provided, internal structure chart can be as shown in figure 13.The server includes
Processor, memory, network interface and the database connected by system bus.Wherein, the processor of the computer equipment is used
In offer calculating and control ability.The memory of the computer equipment includes non-volatile memory medium, built-in storage.This is non-easily
The property lost storage medium is stored with operating system, computer program and database.The built-in storage is in non-volatile memory medium
Operating system and computer program operation provide environment.The database of computer equipment model comparison for storing data
The data such as table and each CPE version informations.The network interface of the computer equipment is used to pass through network connection with external terminal
Communication.To realize a kind of method of multi-edition data model compatibility when the computer program is executed by processor.
In one embodiment, a kind of cpe device is provided, internal structure chart can be as shown in figure 14.The equipment packet
Include processor, memory, network interface and the input unit connected by system bus.Wherein, the processing of the computer equipment
Device is for providing calculating and control ability.The memory of the computer equipment includes non-volatile memory medium, built-in storage.It should
Non-volatile memory medium is stored with operating system and computer program.The built-in storage is the behaviour in non-volatile memory medium
The operation for making system and computer program provides environment.The network interface of the computer equipment is used to pass through net with external terminal
Network connection communication.To realize a kind of method of multi-edition data model compatibility when the computer program is executed by processor.The meter
The input unit for calculating machine equipment can be the button being arranged on computer equipment shell, trace ball or Trackpad, can also be outer
Keyboard, Trackpad or mouse for connecing etc..
It will be understood by those skilled in the art that structure shown in Figure 13, Figure 14, only relevant with application scheme
The block diagram of part-structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific to calculate
Machine equipment may include either combining certain components or with different components than more or fewer components as shown in the figure
Arrangement.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program realizes following steps when being executed by processor:
When receiving the periodic notification information that cpe device reports, the data model version of cpe device is obtained;
It calls the adapter of corresponding data model version, business processing is carried out to periodic notification information, and is anti-to cpe device
Feedback processing message.
In one embodiment, following steps are also realized when computer program is executed by processor:
When receiving the registration request of cpe device transmission, according to the data model node that registration request carries, determine
The data model of cpe device is classified;
Based on the data model version of data model classification marker cpe device, recording mark as a result, and to cpe device
Feed back the message that succeeds in registration.
In one embodiment, following steps are also realized when computer program is executed by processor:
By the result input database of label;And
Inquire database;According to the version information that database is responded, the data model version of cpe device is determined.
In one embodiment, following steps are also realized when computer program is executed by processor:
According to type of service and data model version, the data model table of comparisons in searching data library obtains periodic notification
The corresponding design parameter of information;The data model table of comparisons includes that the corresponding parameter of each edition data model and type of service correspond to
Parameter;
It calls adapter to encapsulate periodic notification information according to design parameter, and responds cpe device.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program realizes following steps when being executed by processor:
To ACS report cycle notification informations, the processing message of ACS feedbacks is received;Processing message is passed through by periodic notification information
The data model version that ACS obtains cpe device is crossed, and adapter corresponding with data model version is called to carry out business processing
After obtain.
In one embodiment, following steps are also realized when computer program is executed by processor:
Registration request is sent to ACS;It is true that registration request is used to indicate the data model node that ACS is carried according to registration request
Determine the data model classification of cpe device, and based on the data model version of data model classification marker cpe device;
Receive the message that succeeds in registration of ACS feedbacks;The message that succeeds in registration is by registration request by ACS processing and recording mark
Result after feed back.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein,
Any reference to memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.