CN1988506A - Compound method and compound device for message, and sending method and device - Google Patents
Compound method and compound device for message, and sending method and device Download PDFInfo
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- CN1988506A CN1988506A CNA2006101623626A CN200610162362A CN1988506A CN 1988506 A CN1988506 A CN 1988506A CN A2006101623626 A CNA2006101623626 A CN A2006101623626A CN 200610162362 A CN200610162362 A CN 200610162362A CN 1988506 A CN1988506 A CN 1988506A
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Abstract
The invention discloses a message composite method, a composite device, a sending method and a sending device. The main idea is to obtain the priority information through receiving messages, and compound the messages to the corresponding composite messages of the priority information for checking whether the composite messages has finished the composite, if so, the composite messages will be outputted. Relative to the existing technology, the problems of data transmission confusion are solved, the delay of high priority business data transmission is avoided, and the transmission priority classification is realized after compounding the point-to-point agreement messages.
Description
Technical field
The present invention relates to the Point-to-Point Data Transmission technical field, be specifically related to complex method and set composite and the sending method and the dispensing device of message.
Background technology
Point-to-point protocol (PPP:Point to Point Protocol) encapsulation provides the heterogeneous networks layer protocol to pass through the frequency multiplexing technique of unified link simultaneously.The PPP encapsulation is surrounded by the compatibility to usual hardware.When message is carried out the PPP encapsulation, need increase the expense of several bytes.PPP framing such as High level data link control (HDLC:High Level Data Link Control protocol).
As shown in Figure 1, a PPP encapsulated frame comprises: 1 byte of a High level data link control (HDLC:High Level Data Link Control protocol) sign 1 byte, address field 1 byte, control domain, ppp protocol number (Protocol) 2 bytes, cyclic redundancy check (CRC) (CRC:Cyclical RedundancyCheck) territory 2 bytes.Even address field and control domain remove through consultation, simultaneously ppp protocol number compresses, and each PPP encapsulated frame also will comprise the expense of 4 bytes at least.
In order to reduce the expense that on low speed chain circuit, transmits the PPP frame, Request for Comment (RFC:Request forComments) has proposed a kind of a plurality of PPP bags, abbreviate as: subframe, be encapsulated in the single PPP compound frame and transmit, distinguish by a kind of delimiter between the subframe, thereby reduce the technology of the PPP expense of each bag, abbreviate PPP frequency multiplexing technique (PPPMUX:PPP Multiplexing) as.PPPMUX is encapsulated in a plurality of PPP messages the bandwidth availability ratio that improves ppp link in the compound message.PPPMUX is the link layer protocol of an optimization for the short grouping as the packets of voice, and its particular content is referring to RFC3153.
The complex method of existing a kind of PPP message, flow chart are as shown in Figure 2.
When new message arrived, whether had uncompleted compound message, if having, then this message is compound in the existing compound message if checking earlier; If no, then set up compound message, and this message is carried out Combined Processing as first subframe of compound message.
After compound, check whether described compound message satisfies the compound condition of finishing,,, and after fragment message carried out the multi-link protocol header encapsulation, send fragment message then with described compound message fragment if satisfy the compound condition of finishing.
Promptness for message is handled can preset a compound maximum duration of message, as the compound condition of finishing, by making regular check on the compound duration of compound message, judges whether compound finishing of described compound message.
Above-mentioned existing P PP message complex method can be saved the expense that transmits the PPP frame on low speed chain circuit, but but has certain defective:
When carrying out the PPPMUX encapsulation, the PPP message of different priorities is compounded in the same compound message, original transmission priority orders is upset, can not effectively carry out multilink rank (MC:Multi-Class) when causing sending handles, transmission to the high-priority service data may produce delay, and the transmission of data causes confusion.
Summary of the invention
The technical problem that the embodiment of the invention solves is to provide complex method and set composite and the sending method and the dispensing device of message, and this method and device can be realized carrying out compound according to priority to the PPP message.
The embodiment of the invention provides a kind of complex method of point-to-point protocol message, comprising: receive message and obtain described priority of messages information; Described message is compound in the compound message of described precedence information correspondence.
The sending method of a kind of point-to-point protocol message that the embodiment of the invention provides comprises: receive message and obtain described priority of messages information; Described message is compound in the compound message of described precedence information correspondence; Check whether compound finishing of described compound message, compound finishing then sends described compound message according to described compound message corresponding priorities information.
The set composite of a kind of point-to-point protocol message that the embodiment of the invention provides comprises: the message receiving element is used to receive message; The precedence information acquiring unit is used to obtain the described priority of messages information that described message receiving element receives; The message recombiner unit, the message that described message receiving element is received is compound in the compound message of described precedence information correspondence.
The dispensing device of a kind of point-to-point protocol message that the embodiment of the invention provides comprises: message receiving element, precedence information acquiring unit, message recombiner unit, inspection unit and message output unit; Described message receiving element is used to receive message; Described precedence information acquiring unit is used to obtain the described priority of messages information that described message receiving element receives; Described message recombiner unit, the message that described message receiving element is received is compound in the compound message of described precedence information correspondence; Described inspection unit is used to check whether described compound message meets the compound condition of finishing; If meet, then the request message output unit is exported described compound message; Described message output unit is used for the request of receiving check unit, sends described compound message according to described compound message corresponding priorities information.
Adopt technique scheme, embodiment of the invention beneficial technical effects is:
The embodiment of the invention is by receiving message and obtaining the compound grade of described message; Described message is compound in the compound message of described compound grade correspondence, with respect to prior art, solved the problem of transfer of data priority confusion, can carry out Classification Management and control flexibly to the message of each priority, reduced the issuable delay of transmission of high-priority service data, realized that the compound back of PPP message is according to the priority hierarchical transmission.
Description of drawings
Fig. 1 is the form schematic diagram of point-to-point protocol encapsulated frame;
The flow chart of the complex method of the existing a kind of point-to-point protocol message of Fig. 2;
Fig. 3 is the flow chart of the complex method of the embodiment of the invention one point-to-point protocol massages;
Fig. 4 is the schematic diagram of the form of embodiment of the invention point-to-point protocol message compound frame;
Fig. 5 is the flow chart of the complex method of the embodiment of the invention two point-to-point protocol messages;
Fig. 6 is the flow chart of the sending method of the embodiment of the invention three point-to-point protocol messages;
Fig. 7 is the flow chart of the sending method of the embodiment of the invention four point-to-point protocol messages;
Fig. 8 is the structural representation of the set composite of the embodiment of the invention five point-to-point protocol messages;
Fig. 9 is the structural representation of the set composite of the embodiment of the invention six point-to-point protocol messages;
Figure 10 is the structural representation of the dispensing device of the embodiment of the invention seven point-to-point protocol messages;
Figure 11 is the structural representation of the dispensing device of the embodiment of the invention eight point-to-point protocol messages;
Figure 12 is the structural representation of the dispensing device of the embodiment of the invention nine point-to-point protocol messages.
Embodiment
The purpose of the embodiment of the invention is to provide complex method and set composite and the sending method and the dispensing device of message.Its main thought is by receiving message and obtaining described message priority information; Described message is compound in the compound message of described precedence information correspondence, with respect to prior art, solved the problem of transfer of data confusion reigned, avoided the transmission of high-priority service data to produce delay, realized that the compound back of PPP message is according to the priority hierarchical transmission.Complex method and device to a kind of point-to-point protocol message provided by the invention is described in detail below.
Embodiment one, and a kind of complex method of point-to-point protocol message, flow chart comprise as shown in Figure 3:
301, receive message and obtain precedence information in the message.
Usually the priority of messages information source is in the priority of messages field, such as: the COS of heading (TOS:Type of Service) field.
302, check whether the compound message of described precedence information correspondence exists, if exist, then continue step 304; If do not exist, then continue step 303.
303, set up the compound message of described precedence information correspondence, and continue step 304.
304, described message is compound in the compound message of described compound grade correspondence.
Consult Fig. 4 in the lump, it is the schematic diagram of PPP message composite frame format, each message front links together after having encapsulated PPP subframe stem, and PPP subframe stem generally comprises: the protocol number (Protocol) of protocol domain mark (PFF:Protocol Field Flag), extended length (LXT:Length Extension), subframe lengths (Len:Sub-frame Length), subframe and the content (Info) of subframe.
The embodiment of the invention one is by receiving message and obtaining the compound grade of described message; Described message is compound in the compound message of described compound grade correspondence, with respect to prior art, solved the problem of transfer of data priority confusion, the transmission that reduces the high-priority service data produces and postpones, and has realized that the compound back of PPP message is according to the priority hierarchical transmission.
Embodiment two, and a kind of complex method of point-to-point protocol message, flow chart comprise as shown in Figure 5:
501, receive message and obtain precedence information in the message.
502, search the compound grade of described precedence information correspondence.
The present invention can set up in advance described precedence information and the corresponding relation of compound grade, as long as guarantee that described precedence information can corresponding unique compound grade.
503, check whether the compound message of described compound grade correspondence exists, if exist, then continue step 505; If do not exist, then continue step 504.
504, set up the compound message of described compound grade correspondence, and continue step 505.
505, described message is compound in the compound message of described compound grade correspondence.
Embodiment two is that with the difference of embodiment one the present invention can be mapped as precedence information compound grade earlier, searches the compound message of described compound grade correspondence again.Because it is multiple that priority of messages information has, can be with the corresponding same compound grade of multiple precedence information, the message that might not have a same precedence information just can carry out compound, the compound and management of the message of being more convenient for.
The sending method of embodiment three, a kind of point-to-point protocol message, flow chart comprise as shown in Figure 6:
601, receive message and obtain precedence information in the message.
602, search the compound grade of described precedence information correspondence.
603, check whether the compound message of described compound grade correspondence exists, if exist, then continue step 605; If do not exist, then continue step 604.
604, set up the compound message of described compound grade correspondence, and continue step 605.
605, described message is compound in the compound message of described compound grade correspondence.
606, check whether described compound message reaches the compound condition of finishing, and is then to continue step 607, otherwise process ends.
In the present embodiment, check that whether described compound message reaches the compound condition of finishing for regularly carrying out, and carries out each compound message of not exporting is as yet checked according to the cycle of system intialization.Therefore, there is not the relation of triggering in step 606 with step 605.Because step 606 and step 601 there is no absolute order to 605.Be understandable that, check whether described compound message reaches the compound condition of finishing and also can carry out message compound back triggering at every turn, and concrete triggering mode and opportunity are not construed as limiting the invention.
In the present embodiment, the described compound condition of finishing is to surpass the maximum duration that presets memory time, when newly setting up compound message, then write down the time that this compound message is set up, during pending inspection, then the time that this compound message of current check time and record is set up does poorly, obtains memory time of this compound message, if surpass the maximum duration that presets, then reach the compound condition of finishing.
Of the present invention compound finish condition can also for: the number of sub frames of compound message storage surpasses preset number or described compound message length surpasses presetting length.The compound selection of finishing condition can also be selected existing multiple conventional time mode, and the concrete compound condition of finishing becomes limitation of the present invention inadequately.
607, described compound message corresponding priorities information mapping is transmission priority.
Among the present invention, the precedence information that can adopt any subframe in the compound message generally adopts the precedence information of first subframe or last subframe as compound priority of messages information.The precedence information of subframe can then be stored after step 601 is obtained in the compound message, treats that this step calls.
Among the present invention, the transmission grade of described compound message also can be according in the step 602, and the direct mapping of the compound grade of the compound message that presets obtains or the compound grade of direct and compound message is consistent.The process that obtains compound message transmission grade can take multiple mode to realize, the present invention does not do qualification.The technical staff can select voluntarily according to the specific implementation situation.
608, carry out the multi-link protocol header encapsulation with described compound message fragment and with fragment message;
Compound message is carried out burst carry out with the existing conventional implementation that can adopt of carrying out the multi-link protocol header encapsulation, concrete implementation can be referring to RFC1990 and RFC2686.
609, send described fragment message according to described transmission priority.
The sending method of a kind of point-to-point protocol message that the embodiment of the invention three provides, with respect to prior art, solved the problem of transfer of data priority confusion, avoided the transmission of high-priority service data to produce delay, realized that the compound back of PPP message is according to the priority hierarchical transmission.
The sending method of embodiment four, a kind of point-to-point protocol message, flow chart comprise as shown in Figure 7:
701, receive message and obtain precedence information in the message;
702, search the compound grade of described precedence information correspondence.
703, whether the compound message of inquiring about described compound grade correspondence exists, if exist, then continues step 705; If do not exist, then continue step 704.
704, set up the compound message of described compound grade correspondence, and continue step 705.
705, described message is compound in the compound message of described compound grade correspondence.
706, check that whether described compound message length surpasses presetting length, is then to turn to step 709, otherwise turns to step 707.
In the present embodiment, the described compound condition of finishing is: the number of sub frames that described compound message length surpasses presetting length or described compound message storage surpasses the memory time of preset number or compound message above the maximum duration that presets.
In the present embodiment, described message is compound in the compound message of described compound grade correspondence after, then trigger and judge whether described compound message meets the compound condition of finishing.
707, check whether the number of sub frames of described compound message storage surpasses preset number, be then to turn to step 709, otherwise turn to step 708.
708, check whether surpass the maximum duration that presets the memory time of described compound message, be then to turn to step 709, otherwise process ends.
709, described compound message corresponding priorities information mapping is transmission priority.
710, carry out the multi-link protocol header encapsulation with described compound message fragment and with fragment message;
711, send described fragment message according to described transmission priority.
The embodiment of the invention four is with the difference of embodiment three, provides another kind of mode to check whether described compound message meets the compound step of finishing condition.In step 705, described message is compound in the compound message of described compound grade correspondence after, then trigger step 706 to 708, check whether described compound message meets the compound condition of finishing.And whether compound finishing taked multiple judgment mode to two pairs of compound messages of embodiment, can accomplish further control to the compound message size and the number of sub-frames that send, make the compound message control granularity that sends meticulouslyr, the utilization of the network bandwidth is more reasonable, and controllability is higher.Be appreciated that step 706, step 707, step 708 there is no absolute execution sequence, when the technical staff operates, can select to carry out earlier the inspection of that step as the case may be.
And, the present invention triggers and checks whether described compound message meets the compound trigger condition of finishing the step of condition and can also select different triggering modes according to the different compound conditions of finishing, as: after depositing subframe in compound message at every turn, then check the step of the number of sub-frames of compound message length and compound message storage, and the mode that the step of checking the memory time of message is taked to make regular check on is carried out, when the technical staff operates, can select voluntarily how to realize according to actual conditions.
Embodiment five, a kind of set composite of point-to-point protocol message, and the apparatus structure schematic diagram comprises as shown in Figure 8: message receiving element 810, precedence information acquiring unit 820 and message recombiner unit 830.
Message receiving element 810 is used to receive message.
Precedence information acquiring unit 820 is used to obtain the described priority of messages information that message receiving element 810 receives.
Message recombiner unit 830, the message that described message receiving element 810 is received is compound in the compound message of described precedence information correspondence.
Embodiment six, a kind of set composite of point-to-point protocol message, and the apparatus structure schematic diagram comprises as shown in Figure 9: message receiving element 910, precedence information acquiring unit 920, message recombiner unit 930, inspection unit 940 and message output unit 950; Described message recombiner unit comprises: search unit 931 and message classification recombiner unit 932.
Message receiving element 910 is used to receive message.
Precedence information acquiring unit 920 is used to obtain the described priority of messages information that message receiving element 910 receives.
Search unit 931 and be used to search the compound grade of described precedence information correspondence;
Message classification recombiner unit 932 is used for the message that described message receiving element 910 receives is compound to the compound message of described compound grade correspondence.
Embodiment seven, a kind of dispensing device of point-to-point protocol message, and the apparatus structure schematic diagram is as shown in figure 10, comprise: message receiving element 1010, precedence information acquiring unit 1020, message recombiner unit 1030, memory time inspection unit 1041 and message output unit 1050; Described message recombiner unit comprises: search unit 1031 and message classification recombiner unit 1032.
Message receiving element 1010 is used to receive message.
Precedence information acquiring unit 1020 is used to obtain the described priority of messages information that message receiving element 1010 receives.
Search unit 1031 and be used to search the compound grade of described precedence information correspondence;
Message classification recombiner unit 1032 is used for the message that described message receiving element 1010 receives is compound to the compound message of described compound grade correspondence.
Memory time, inspection unit 1041, were used to check whether surpass the maximum duration that presets the memory time of described compound message, surpassing then, request message output unit 1050 sends described compound message.
Message output unit 1050 is used to store described compound message, and the described request of reception inspection unit memory time 1041 sends described compound message according to described compound message corresponding priorities information.
Be understandable that described compound message corresponding priorities information can be any one subframe corresponding priorities information in the described compound message, this precedence information is obtained by precedence information acquiring unit 1020 after message receiving element 1010 is accepted.
Embodiment eight, a kind of dispensing device of point-to-point protocol message, and the apparatus structure schematic diagram is as shown in figure 11, comprise: message receiving element 1110, precedence information acquiring unit 1120, message recombiner unit 1130, length check unit 1142 and message output unit 1150; Described message recombiner unit comprises: search unit 1131 and message classification recombiner unit 1132.
Message receiving element 1110 is used to receive message.
Search unit 1131 and be used to search the compound grade of described precedence information correspondence;
Message classification recombiner unit 1132 is used for the message that described message receiving element 1110 receives is compound to the compound message of described compound grade correspondence.
Length check unit 1142 is used to check whether surpass the maximum duration that presets the memory time of described compound message, surpassing then, request message output unit 1150 sends described compound message.
Message output unit 1150 is used to store described compound message, and the described request of reception length check unit 1142 sends described compound message according to described compound message corresponding priorities information.
Embodiment nine, a kind of set composite of point-to-point protocol message, and the apparatus structure schematic diagram is as shown in figure 12, comprise: message receiving element 1210, precedence information acquiring unit 1220, message recombiner unit 1230, frame number inspection unit 1243 and message output unit 1250; Described message recombiner unit comprises: search unit 1231 and message classification recombiner unit 1232.
Message classification recombiner unit 1232 is used for the message that described message receiving element 1210 receives is compound to the compound message of described compound grade correspondence.
Frame number inspection unit 1243 is used to check whether surpass the maximum duration that presets the memory time of described compound message, surpassing then, request message output unit 1250 sends described compound message.
More than the complex method of message provided by the present invention and set composite and sending method and dispensing device are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and main thought thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (14)
1. the complex method of a point-to-point protocol message is characterized in that, comprising:
Receive message and obtain described priority of messages information;
Described message is compound in the compound message of described precedence information correspondence.
2. the complex method of point-to-point protocol message as claimed in claim 1 is characterized in that, further comprises before in the described compound message that described message is compound to described precedence information correspondence:
Whether the compound message of checking described precedence information correspondence exists, if exist, then continues described message is compound in the compound message of described precedence information correspondence; If do not exist, the compound message and the continuation of then setting up described precedence information correspondence are compound to described message in the compound message of described precedence information correspondence.
3. the complex method of point-to-point protocol message as claimed in claim 1 is characterized in that, comprises in the described compound message that described message is compound to described precedence information correspondence:
Determine the compound grade of described precedence information correspondence;
Described message is compound in the compound message of described compound grade correspondence.
4. the sending method of a point-to-point protocol message is characterized in that, comprising:
Receive message and obtain described priority of messages information;
Described message is compound in the compound message of described precedence information correspondence;
Check whether compound finishing of described compound message, compound finishing then sends described compound message according to described compound message corresponding priorities information.
5. the sending method of point-to-point protocol message as claimed in claim 4 is characterized in that, describedly sends described compound message according to described compound message corresponding priorities information and comprises:
Described compound message corresponding priorities information mapping is transmission priority;
Send described compound message according to described transmission priority.
6. the sending method of point-to-point protocol message as claimed in claim 5 is characterized in that, describedly sends described compound message according to described transmission priority and comprises:
Carry out the multi-link protocol header encapsulation with described compound message fragment and with fragment message;
Send described fragment message according to described transmission priority.
7. as the sending method of any described point-to-point protocol message of claim 4 to 6, it is characterized in that the compound condition of finishing of described compound message is: the number of sub frames of described compound message storage surpasses preset number or described compound message length surpasses the memory time of presetting length or described compound message above the duration that presets.
8. the set composite of a point-to-point protocol message is characterized in that, comprising:
The message receiving element is used to receive message;
The precedence information acquiring unit is used to obtain the described priority of messages information that described message receiving element receives;
The message recombiner unit, the message that described message receiving element is received is compound in the compound message of described precedence information correspondence.
9. point-to-point protocol message set composite as claimed in claim 8 is characterized in that the message recombiner unit comprises:
Search the unit, be used to search the compound grade of described precedence information correspondence;
Message classification recombiner unit is used for the message that described message receiving element receives is compound to the compound message of described compound grade correspondence.
10. the dispensing device of a point-to-point protocol message is characterized in that, comprising: message receiving element, precedence information acquiring unit, message recombiner unit, inspection unit and message output unit;
Described message receiving element is used to receive message;
Described precedence information acquiring unit is used to obtain the described priority of messages information that described message receiving element receives;
Described message recombiner unit, the message that described message receiving element is received is compound in the compound message of described precedence information correspondence;
Described inspection unit is used to check whether described compound message meets the compound condition of finishing; If meet, then the request message output unit is exported described compound message;
Described message output unit is used for the request of receiving check unit, sends described compound message according to described compound message corresponding priorities information.
11. point-to-point protocol packet transmission device as claimed in claim 10 is characterized in that, the message recombiner unit comprises:
Search the unit, be used to search the compound grade of described precedence information correspondence;
Message classification recombiner unit is used for the message that described message receiving element receives is compound to the compound message of described compound grade correspondence.
12. the dispensing device as claim 10 or 11 described point-to-point protocol messages is characterized in that,
Described inspection unit is inspection unit memory time, is used to check whether surpass the duration that presets the memory time of described compound message, surpassing then, the request message output unit sends described compound message.
13. the dispensing device as claim 10 or 11 described point-to-point protocol messages is characterized in that,
Described inspection unit is the length check unit, is used to check whether described compound message surpasses presetting length, and surpassing then, the request message output unit sends described compound message.
14. dispensing device as claim 10 or 11 described point-to-point protocol messages, it is characterized in that, described inspection unit is the frame number inspection unit, is used to check whether the number of sub frames of described compound message storage surpasses preset number, and surpassing then, the request message output unit sends described compound message.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101623626A CN1988506A (en) | 2006-12-14 | 2006-12-14 | Compound method and compound device for message, and sending method and device |
| CNA2007101942931A CN101207625A (en) | 2006-12-14 | 2007-12-13 | Composite method and composite apparatus as well as sending method and sending apparatus of message |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101623626A CN1988506A (en) | 2006-12-14 | 2006-12-14 | Compound method and compound device for message, and sending method and device |
Publications (1)
| Publication Number | Publication Date |
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| CN1988506A true CN1988506A (en) | 2007-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101623626A Pending CN1988506A (en) | 2006-12-14 | 2006-12-14 | Compound method and compound device for message, and sending method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270441A (en) * | 2014-09-28 | 2015-01-07 | 曙光信息产业股份有限公司 | Multi-priority communication method and system of distributed system |
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2006
- 2006-12-14 CN CNA2006101623626A patent/CN1988506A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270441A (en) * | 2014-09-28 | 2015-01-07 | 曙光信息产业股份有限公司 | Multi-priority communication method and system of distributed system |
| CN104270441B (en) * | 2014-09-28 | 2018-12-04 | 曙光信息产业股份有限公司 | A kind of method and system of distributed system multipriority communication |
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