CN102361473A - Congestion control method, apparatus thereof and system thereof - Google Patents
Congestion control method, apparatus thereof and system thereof Download PDFInfo
- Publication number
- CN102361473A CN102361473A CN201110182377XA CN201110182377A CN102361473A CN 102361473 A CN102361473 A CN 102361473A CN 201110182377X A CN201110182377X A CN 201110182377XA CN 201110182377 A CN201110182377 A CN 201110182377A CN 102361473 A CN102361473 A CN 102361473A
- Authority
- CN
- China
- Prior art keywords
- cps
- user data
- cell
- data frame
- pkt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/32—Flow control; Congestion control by discarding or delaying data units, e.g. packets or frames
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a congestion control method, an apparatus thereof and a system thereof, relates to the communication field and solves a network congestion problem in an AAL2 (ATM Adaptation Layer 2) bearing mode. The method comprises the following steps: carrying out CPS (Common Part Sublayer) multiplexing on a user data frame to be sent and continuous multiplexing on a plurality of CPS-PKTs of a same user data frame; packaging the CPS-PKTs to obtain cells, filling a frame end sign into a cell containing a last CPS-PKT, and indicating a network node receiving the user data frame to carry out frame discarding on the user data frame in congestion control; sending the cells of the user data frame to the network node. A technical scheme provided in the invention is suitable for a transmission network with an AAL2 bearing type, and high efficiency congestion control is realized.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of jamming control method and system under ATM Adaptation Layer type 2 (AAL2, ATM Adaptation Layer 2) bearer types.
Background technology
Along with the continuous development of the communication technology, the length of the business datum of the AAL2 type transfers network carrying has developed into several kilobytes of today by tens, tens early stage bytes.In this transmission network, when packet loss occurring in asynchronous transfer mode (ATM) transmission course, if can not abandon according to the upper-layer service packet; Just a large amount of data retransmissions possibly appear in network; These data retransmissions take transmission bandwidth, cause congested, even network paralysis.
The ATM exchange is as a kind of packet switching; When or other reason congested because of the switching network appearance need dropped cell; A kind of more effective mode is to be that unit abandons with user's frame, because when carrying out just having produced bad frame naturally when the cell one-level abandons, thereby causes the re-transmission of upper-layer protocol; Therefore, frame abandon can avoid or reduce because of re-transmission with network congestion.As shown in Figure 1, in transmission course, when certain cell need be dropped, belong to same user data after cell also will be dropped, only keep last cell and be used for the upper strata and carry out.
AAL2 comprises common part sublayer (CPS, Common Part Sublayer) and specific transactions segmentation and reassemble sublayer (SSSAR sublayer, Service Specific Segmentation and Reassembly Sublayer).Under the AAL2 bearing mode, the relation of each layer data unit of transmission network is as shown in Figure 2.
When transmission network was operated in the AAL2 bearing mode, the ATM cell that belongs to same user data (or same frame) possibly be discontinuous transmission.As shown in Figure 3; The user data of same the empty link of ATM is through SSSAR sublayer segmentation; And be packaged into CPS bag (CPS-PKT) when getting into the multiplexing formation of CPS, and be not guarantee by continuously multiplexingly, just the CPS-PKT of many user data possibly interted mutually that to carry out CPS at interval multiplexing; Like this, in the ATM transmission course, just can't carry out the processing (a upper-layer service packet possibly comprise a plurality of CPS-PKT) that abandons by bag.In addition, the branch segment identification of user data also terminates among the CPS-PKT, and whether the data that the ATM layer also can't be distinguished in the current cell are data of last segmentation.Therefore, according to the AAL2 processing of standard, can't satisfy the ATM exchange by the condition that frame abandons, can only abandon by cell, the situation that still can cause mass data to retransmit causes network congestion, even network paralysis.
Summary of the invention
The invention provides a kind of jamming control method and system, solved the congested problem of AAL2 bearing mode lower network.
A kind of jamming control method uses AAL2 type transfers data between network node, this method comprises:
It is multiplexing that user data frame to be sent is carried out CPS, and a plurality of CPS-PKT of same user data frame are multiplexing continuously;
Said continuously multiplexing a plurality of CPS-PKT are encapsulated obtain cell; And in comprising the cell of last CPS-PKT, insert the postamble sign, network node frame that carries out to this user data frame when congested control that indication receives said user data frame abandons;
The cell of said user data frame is sent to network node.
Preferably, saidly user data frame to be sent is carried out CPS is multiplexing to be comprised:
In the SSSAR sublayer said user data frame to be sent is carried out obtaining SSSAR-PDU after the segment processing, in last SSSAR-PDU of this user data frame, carry the postamble sign;
At the CPS layer, the SSSAR-PDU that obtains after the said user data frame segmentation is packaged into CPS-PKT, and the CPS-PKT that encapsulation is obtained is multiplexing continuously, the corresponding CPS-PKT of said last SSSAR-PDU all carries the postamble sign.
Preferably, said continuously multiplexing a plurality of CPS-PKT is encapsulated obtain cell, and the step of inserting the postamble sign in the cell that comprises last CPS-PKT that after the encapsulation of the multiplexing formation of said CPS, obtains comprises:
At the CPS layer, said continuously multiplexing a plurality of CPS-PKT encapsulation are obtained one or more CPS-PDU,, load adds the postamble sign in having the CPS-PDU of the CPS-PKT that carries the postamble sign;
At the ATM(Asynchronous Transfer Mode) layer, receive CPS-PDU from the CPS layer, the CPS-PDU that receives is carried out the cell encapsulation,, load adds the postamble sign in having the cell of the CPS-PDU that carries the postamble sign.
Preferably, said have at load add the postamble sign in the cell of the CPS-PDU that carries the postamble sign and be specially:
The ATM user of payload type (PTI) field that said cell is set comprises last CPS-PKT of said user data frame to user indication (AUU) position to show this cell.。
Preferably, said cell with said user data frame also comprises after the step that network node sends:
Said network node receives the cell that belongs to same user data frame that sends continuously;
When needs carry out congested control, search the cell that carries the postamble sign;
When detecting the cell that carries the postamble sign, carry the indication of the cell of postamble sign according to this, this cell corresponding user data frame is carried out frame abandon.
The present invention also provides a kind of congestion control device, is applicable to the network node that uses AAL2 type transfers data, comprising:
Multiplexing module, it is multiplexing to be used for that user data frame to be sent is carried out CPS, and a plurality of CPS-PKT of same user data frame are multiplexing continuously;
Package module; Be used for said continuously multiplexing a plurality of CPS-PKT are encapsulated and obtain cell; And in comprising the cell of last CPS-PKT, insert the postamble sign, network node frame that carries out to this user data frame when congested control that indication receives said user data frame abandons;
Sending module is used for the cell of said user data frame is sent to network node.
Preferably, said Multiplexing module comprises:
SSSAR sublayer segmenting unit is used in the SSSAR sublayer said user data frame to be sent being carried out obtaining SSSAR-PDU after the segment processing, in last SSSAR-PDU of this user data frame, carries the postamble sign;
The CPS Multiplexing Unit is used for the layer at CPS, and the SSSAR-PDU that obtains after the said user data frame segmentation is packaged into CPS-PKT, and the CPS-PKT that encapsulation is obtained is multiplexing continuously, and the corresponding CPS-PKT of said last SSSAR-PDU all carries the postamble sign.
Preferably, said package module comprises:
The CPS-PKT encapsulation unit is used for the layer at CPS, and said continuously multiplexing CPS-PKT encapsulation is obtained one or more CPS-PDU, in load has the CPS-PDU of the CPS-PKT that carries the postamble sign, adds the postamble sign;
The ATM encapsulation unit is used for the layer at ATM, receives the CPS-PDU from CPS, and the CPS-PDU that receives is carried out the cell encapsulation, in load has the cell of the CPS-PDU that carries the postamble sign, adds the postamble sign.
The present invention also provides a kind of congestion control system, comprises first network node and second network node, uses AAL2 type transfers data between said first network node and said second network node;
Said first network node; It is multiplexing to be used for that user data frame to be sent is carried out CPS; A plurality of CPS-PKT of same user data frame are multiplexing continuously, said multiplexing a plurality of CPS-PKT are continuously encapsulated obtain cell, and in comprising the cell of last CPS-PKT, insert the postamble sign; Network node frame that carries out to this user data frame when congested control that indication receives said user data frame abandons, and the cell of said user data frame is sent to said second network node.
Preferably; Said second network node is used to receive the cell that belongs to same user data frame that said first network node sends continuously, when needs carry out congested control; Search the cell that carries the postamble sign; And when detecting the cell that carries the postamble sign, carry the indication of the cell of postamble sign according to this, this cell corresponding user data frame is carried out frame abandon.
The invention provides a kind of jamming control method and system; It is multiplexing that user data frame to be sent is carried out CPS; A plurality of CPS-PKT of same user data frame are multiplexing continuously; A plurality of CPS-PKT in the multiplexing formation of said CPS are encapsulated obtain cell, and insert the postamble sign in the cell that comprises last CPS-PKT that after the encapsulation of the multiplexing formation of said CPS, obtains, network node frame that carries out to this user data frame when congested control that indication receives said user data frame abandons; And the cell of said user data frame sent to network node; Realized under the situation that the unit that posts a letter loses, the frame of other cells of belonging to a Frame has been abandoned, solved the congested problem of AAL2 bearing mode lower network.
Description of drawings
Fig. 1 is the schematic diagram of pressing the frame packet loss for Fig. 1;
Fig. 2 is each layer data unit graph of a relation in the AAL2 type transfers network;
The AAL2 layer processing mode sketch map of standard when Fig. 3 is operated in the AAL2 bearing mode for transmission network;
The structural representation of a kind of congestion control system that Fig. 4 provides for embodiments of the invention one;
The structural representation of a kind of congestion control device that Fig. 5 provides for embodiments of the invention one;
The flow chart of a kind of jamming control method that Fig. 6 provides for embodiments of the invention one;
The structural representation of a kind of congestion control system that Fig. 7 provides for embodiments of the invention two;
The flow chart of a kind of jamming control method that Fig. 8 provides for embodiments of the invention two;
Fig. 9 is according to the AAL2 layer handling principle figure that abandons based on frame after data configuration is realized in the embodiments of the invention two;
Figure 10 is the particular flow sheet of step 601 among Fig. 6;
Figure 11 is the particular flow sheet of step 602 among Fig. 6.
Embodiment
AAL2 according to standard handles, and can't satisfy the ATM exchange by the condition that frame abandons, and can only abandon by cell, and the situation that still can cause mass data to retransmit causes network congestion, even network paralysis.
In order to address the above problem, embodiments of the invention provide a kind of jamming control method and system.Hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
At first combine accompanying drawing, embodiments of the invention one are described.
The embodiment of the invention provides a kind of congestion control system, and the structure of this system is as shown in Figure 4, comprises first network node 401 and second network node 402, and 402 of said first network node 401 and said second network nodes use AAL2 type transfers data.
Preferably, said second network node 402 is an atm switching apparatus, and this system also comprises the 3rd network node 403 that carries out exchanges data with said first network node 401.
Said first network node 401; It is multiplexing to be used for that user data frame to be sent is carried out CPS; A plurality of CPS-PKT of same user data frame are multiplexing continuously; Said continuously multiplexing a plurality of CPS-PKT are encapsulated obtain cell; And in comprising the cell of last CPS-PKT, insert the postamble sign, network node frame that carries out to this user data frame when congested control that indication receives said user data frame abandons, and the cell of said user data frame is sent to said second network node 402.
Preferably; Said second network node 402 is used to receive the cell that belongs to same user data frame that said first network node 401 sends continuously, when needs carry out congested control; Search the cell that carries the postamble sign; And when detecting the cell that carries the postamble sign, carry the indication of the cell of postamble sign according to this, this cell corresponding user data frame is carried out frame abandon.
Preferably, said second network node 402 also is used in the time need not carrying out congested control, transmits the cell that said first network node 401 sends to the 3rd network node 403 to said the 3rd network node 303.
Cell related in the embodiment of the invention is specially ATM cell.
The embodiment of the invention also provides a kind of congestion control device, and this device can be integrated in said first network node 401 of congestion control system shown in Figure 4.The structure of this device is as shown in Figure 5, comprising:
Multiplexing module 501, it is multiplexing to be used for that user data frame to be sent is carried out CPS, and a plurality of CPS-PKT of same user data frame are multiplexing continuously;
Package module 502; Be used for said continuously multiplexing a plurality of CPS-PKT are encapsulated and obtain cell; And in comprising last CPS-PKT cell, insert the postamble sign, network node frame that carries out to this user data frame when congested control that indication receives said user data frame abandons;
Sending module 503 is used for the cell of said user data frame is sent to network node.
Preferably, said Multiplexing module 501 specifically is used for user data frame to be sent is carried out SSSAR segmentation and the multiplexing encapsulation of CPS, and a plurality of CPS-PKT of same user data frame are multiplexing continuously, and the internal structure of Multiplexing module 501 comprises:
SSSAR sublayer segmenting unit 5011 is used in the SSSAR sublayer said user data frame to be sent being carried out obtaining SSSAR-PDU after the segment processing, in last SSSAR-PDU of this user data frame, carries the postamble sign;
CPS Multiplexing Unit 5012; Be used for layer at CPS; The SSSAR-PDU that obtains after the said user data frame segmentation is packaged into CPS-PKT, and the CPS-PKT that encapsulation is obtained is multiplexing continuously to the multiplexing formation of same CPS, the corresponding CPS-PKT of said last SSSAR-PDU all carries the postamble sign.
Preferably; Said package module 502 specifically is used for obtaining go forward side by side row cell encapsulation of CPS-PDU from Multiplexing module 501; The postamble mark that the Multiplexing module transmission is got off is encapsulated among the PTI, and the network node that indication receives said user data frame frame that carries out to this user data frame when congested control abandons and comprises:
CPS-PKT encapsulation unit 5021 is used for the layer at CPS, and the CPS-PKT in the multiplexing formation of said CPS encapsulation is obtained one or more CPS-PDU, in load has the CPS-PDU of the CPS-PKT that carries the postamble sign, adds the postamble sign;
ATM encapsulation unit 5022 is used for the layer at ATM, receives the CPS-PDU from CPS, and the CPS-PDU that receives is carried out the cell encapsulation, in load has the cell of the CPS-PDU that carries the postamble sign, adds the postamble sign.
Optional, also can CPS-PKT encapsulation unit 5021 be added Multiplexing module 501.
In conjunction with above-mentioned congestion control system and congestion control device, embodiments of the invention also provide a kind of jamming control method, and it is as shown in Figure 6 to use this method to accomplish the flow process of congested control, comprising:
Step 601, that first network node user data to be sent carries out CPS is multiplexing, and a plurality of CPS-PKT of same user data frame are multiplexing continuously;
This step is specifically accomplished at the AAL2 of first network node layer, and is concrete, in the SSSAR sublayer said user data to be sent carried out segment processing, obtains SSSAR-PDU; At CPS,, be sent to the ATM layer after process CPS is multiplexing with the packing data to be sent after the segment processing.CPS-PKT to guarantee same user data frame must carry out the CPS multiplexing process continuously.
Step 602, first network node encapsulate a plurality of CPS-PKT in the multiplexing formation of said CPS and obtain cell, and in comprising the cell of last CPS-PKT, insert the postamble sign;
In the embodiment of the invention, said postamble sign is used to indicate the network node frame that carries out to this user data frame when congested control that receives said user data frame to abandon.
Concrete, at CPS, multiplexing continuously a plurality of CPS-PKT encapsulation are obtained one or more CPS-PDU,, load adds the postamble sign in having the CPS-PDU of the CPS-PKT that carries the postamble sign;
At the ATM layer, receive CPS-PDU from CPS, the CPS-PDU that receives is carried out the cell encapsulation; Have at load and to add the postamble sign in the cell of the CPS-PDU that carries the postamble sign; First network equipment is inserted the postamble sign in pti field, concrete; The ATM user of payload type (PTI) field that said cell can be set comprises last CPS-PKT of said user data frame to user indication (AUU) position to show this cell.
In this step, the CPS-PKT that carries the postamble sign is last the multiplexing formation of said CPS, and CPS is multiplexing when accomplishing the multiplexing function of original CPS, has also realized the postamble sign is passed to the ATM layer.
On the basis of the encapsulation of original ATM cell, increase the postamble sign is filled in the function in the header of ATM cell, use when confirming in the user data frame last ATM cell.
The cell of step 603, the said user data frame of first network node sends to second network node;
Step 604, second network node receive the cell that belongs to same user data frame that first network node sends continuously;
When step 605, second network node carry out congested control at needs, search the cell that carries the postamble sign;
When cell loss concealment took place, the second network node judgement need be carried out congested control, carries out frame and abandons.Concrete, check header from the cell of the cell of losing, whether comprise the postamble sign that this cell load of indication has last CPS-PKT in the PTI of confirms head.
Step 606, when detecting the cell that carries the postamble sign, carry the indication of the cell of postamble sign according to this, this cell corresponding user data frame is carried out frame abandons;
In this step, second network node is confirmed the cell that last corresponding CPS-PKT of user data frame belongs to according to the postamble sign in the header, carries out frame then and abandons.Frame abandons and is specially, and the cell between the cell that will lose to the cell that comprises this user data frame postamble mark all abandons, and only keeps the cell that carries the postamble mark.
Below in conjunction with accompanying drawing, embodiments of the invention two are described.
The embodiment of the invention provides a kind of congestion control system, and its structure is as shown in Figure 7, comprising:
Congested controlled attribute configuration module 701, the AAL2 adaptation layer data processing module 702 that needs based on congested control, the AAL2 cell processing module 703 that needs based on congested control and the congested control module 704 that abandons based on frame.
Wherein, Congested controlled attribute configuration module 701; Be configured according to the congestion control policy (this strategy indicates whether to have the function that abandons by frame) based on frame in the embodiment of the invention, whether indication AAL2 layer satisfies the CPS that abandons based on frame, and multiplexing whether achieve frame abandons with atm switching apparatus; AAL2 adaptation layer data processing module 702 based on congested control needs; Configuration information according to congested controlled attribute configuration module; This module is in the AAL2 layer function of the standard of completion; Need the CPS-PKT that guarantees same user data frame must carry out the CPS multiplexing process continuously, CPS is multiplexing when accomplishing the multiplexing function of original CPS, and the postamble sign is passed to ATM layer (in the CPS-PDU of ATM layer transmission, carrying this postamble sign); The AAL2 cell processing module 403 that needs based on congested control on the basis of the encapsulation of original ATM cell, increases the postamble sign is filled in the function in the ATM cell head, uses in order to the congested control module 704 that abandons based on frame; Based on the congested control module 704 that frame abandons, be used for realizing the function that abandons by frame according to the postamble sign of header.
Congested controlled attribute configuration module 701 is in network controller, is used to accomplish the configuration to whole congested control; Being used to accomplish professional network node all comprises based on the AAL2 adaptation layer data processing module 702 of congested control needs with based on the AAL2 cell processing module 703 of congested control needs; Concrete; The AAL2 adaptation layer data processing module 702 that needs based on congested control is in the AAL2 layer; Comprise SSSAR sublayer module and CPS module two parts, the AAL2 cell processing module 703 that needs based on congested control is in the ATM layer; The congested control module 704 that abandons based on frame is in the ATM layer, generally is integrated in the atm switching apparatus.
The embodiment of the invention also provides a kind of jamming control method, and in conjunction with congestion control system shown in Figure 7, the flow process of accomplishing congested control is as shown in Figure 8, comprising:
It is multiplexing that the SSSAR-PDU that step 802, CPS module obtain the segmentation of SSSAR sublayer carries out carrying out after CPS-PKT encapsulates CPS, and the postamble mark of SSSAR-PDU is carried the AAL2 cell processing module that needs to based on congested control;
In this step, the information that the AAL2 cell processing module that needs based on congested control is carried according to the CPS multiplexing packet is carried out the structure of header, the AUU field is encapsulated into the lowest order of pti field.
In this step, the congested control module that abandons based on frame in the atm switching apparatus selects whether to carry out the congestion control policy that frame abandons according to the empty link of ATM configuration attribute.When configuration attribute when abandoning based on frame, carry out the discard processing of cell through the tail bag sign in the identification header.This processing mode can adopt the EPD/PPD treatment principle.
After carrying out the processing of AAL2 layer protocol according to the method described above; The CPS-PKT that same user data frame is corresponding will be multiplexing by continuously; And in atm network, transmitted continuously, as shown in Figure 9, so just possessed condition based on the frame dropped cell; After importing the postamble sign of CPS-PKT into the cell encapsulation more in addition, just can realize based on the jamming control method of frame dropped cell.
Wherein, step 801 is specifically shown in figure 10, comprising:
If step 8016 has been obtained the CPS module authority of joining the team, change step 8017 over to, if do not obtain, change step 8018 over to;
Step 802 is specifically shown in figure 11, comprising:
Whether step 8204, current C PS-PDU satisfy the multiplexing condition of accomplishing, if satisfy, change step 8205 over to;
Whether step 8205, current C PS-PDU comprise the postamble sign, if comprise, change step 8206 over to, if do not comprise, change step 8207 over to;
The whether whole multiplexing completion of the data of step 8209, current C PS-PKT, if, change step 8210 over to, if not, change step 8211 over to;
Whether step 8211, current C PS-PKT are the tail bags, if, the tail bag sign of current C PS-PDU is put 1, if not, then put 0, change step 8212 over to;
The congestion control system that embodiments of the invention provide; Can combine with the jamming control method that embodiments of the invention are provided; Use the AAL2 type to carry data between network node; It is multiplexing that user data to be sent is carried out CPS, a plurality of CPS-PKT of same user data are carried out continuously multiplexing, in the pti field of the ATM cell that comprises last corresponding CPS-PKT of said user data; Insert the postamble sign; The ATM cell of said user data is sent to network node in regular turn, and all ATM cells of said user data are transmission according to the order of sequence continuously in network, and the ATM cell that said pti field carries the postamble sign is last said all ATM cells of user data; The said network node that indication receives said user data abandons the execution of the ATM cell before the ATM cell that carries the postamble mark of this user data bag when congested control; Realized need waiting under the situation of congested control at the generation packet loss, the frame that the corresponding whole cells of a user data are carried out abandons, and has solved the congested problem of AAL2 bearing mode lower network.Raising Network Transmission utilance, reduction network congestion risk are had tangible effect, are a kind of brand-new solutions.
The all or part of step that the one of ordinary skill in the art will appreciate that the foregoing description program circuit that can use a computer is realized; Said computer program can be stored in the computer-readable recording medium; Said computer program (like system, unit, device etc.) on the relevant hardware platform is carried out; When carrying out, comprise one of step or its combination of method embodiment.
Alternatively, all or part of step of the foregoing description also can use integrated circuit to realize, these steps can be made into integrated circuit modules one by one respectively, perhaps a plurality of modules in them or step is made into the single integrated circuit module and realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
Each device/functional module/functional unit in the foregoing description can adopt the general calculation device to realize, they can concentrate on the single calculation element, also can be distributed on the network that a plurality of calculation element forms.
Each device/functional module/functional unit in the foregoing description is realized with the form of software function module and during as independently production marketing or use, can be stored in the computer read/write memory medium.The above-mentioned computer read/write memory medium of mentioning can be a read-only memory, disk or CD etc.
Any technical staff who is familiar with the present technique field can expect changing or replacement in the technical scope that the present invention discloses easily, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the described protection range of claim.
Claims (10)
1. a jamming control method uses AAL 2 (AAL2) type transfers data between network node, it is characterized in that, comprising:
It is multiplexing that user data frame to be sent is carried out common part sublayer (CPS), and a plurality of CPS bags (CPS-PKT) of same user data frame are multiplexing continuously;
Said continuously multiplexing a plurality of CPS-PKT are encapsulated obtain cell; And in comprising the cell of last CPS-PKT, insert the postamble sign, network node frame that carries out to this user data frame when congested control that indication receives said user data frame abandons;
The cell of said user data frame is sent to network node.
2. jamming control method according to claim 1 is characterized in that, saidly user data frame to be sent is carried out CPS is multiplexing to be comprised:
After segment processing is carried out with said user data frame to be sent in specific transactions segmentation and reassemble sublayer (SSSAR sublayer), obtain SSSAR sublayer protocol Data Unit (SSSAR-PDU), in last SSSAR-PDU of this user data frame, carry the postamble sign;
At the CPS layer, the SSSAR-PDU that obtains after the said user data frame segmentation is packaged into CPS-PKT, and the CPS-PKT that encapsulation is obtained is multiplexing continuously, the corresponding CPS-PKT of said last SSSAR-PDU all carries the postamble sign.
3. jamming control method according to claim 1; It is characterized in that; Said continuously multiplexing a plurality of CPS-PKT is encapsulated obtain cell, and the step of inserting the postamble sign in the cell that comprises last CPS-PKT that after the encapsulation of the multiplexing formation of said CPS, obtains comprises:
At the CPS layer, said continuously multiplexing a plurality of CPS-PKT encapsulation are obtained one or more CPS-PDU,, load adds the postamble sign in having the CPS-PDU of the CPS-PKT that carries the postamble sign;
At the ATM(Asynchronous Transfer Mode) layer, receive CPS-PDU from the CPS layer, the CPS-PDU that receives is carried out the cell encapsulation,, load adds the postamble sign in having the cell of the CPS-PDU that carries the postamble sign.
4. jamming control method according to claim 3 is characterized in that, said have at load add the postamble sign in the cell of the CPS-PDU that carries the postamble sign and be specially:
The ATM user of payload type (PTI) field that said cell is set comprises last CPS-PKT of said user data frame to user indication (AUU) position to show this cell.
5. jamming control method according to claim 1 is characterized in that, said cell with said user data frame also comprises after the step that network node sends:
Said network node receives the cell that belongs to same user data frame that sends continuously;
When needs carry out congested control, search the cell that carries the postamble sign;
When detecting the cell that carries the postamble sign, carry the indication of the cell of postamble sign according to this, this cell corresponding user data frame is carried out frame abandon.
6. a congestion control device is applicable to the network node that uses AAL2 type transfers data, it is characterized in that, comprising:
Multiplexing module, it is multiplexing to be used for that user data frame to be sent is carried out CPS, and a plurality of CPS-PKT of same user data frame are multiplexing continuously;
Package module; Be used for said continuously multiplexing a plurality of CPS-PKT are encapsulated and obtain cell; And in comprising the cell of last CPS-PKT, insert the postamble sign, network node frame that carries out to this user data frame when congested control that indication receives said user data frame abandons;
Sending module is used for the cell of said user data frame is sent to network node.
7. congestion control device according to claim 6 is characterized in that, said Multiplexing module comprises:
SSSAR sublayer segmenting unit is used in the SSSAR sublayer said user data frame to be sent being carried out obtaining SSSAR-PDU after the segment processing, in last SSSAR-PDU of this user data frame, carries the postamble sign;
The CPS Multiplexing Unit is used for the layer at CPS, and the SSSAR-PDU that obtains after the said user data frame segmentation is packaged into CPS-PKT, and the CPS-PKT that encapsulation is obtained is multiplexing continuously, and the corresponding CPS-PKT of said last SSSAR-PDU all carries the postamble sign.
8. congestion control device according to claim 6 is characterized in that, said package module comprises:
The CPS-PKT encapsulation unit is used for the layer at CPS, and said continuously multiplexing CPS-PKT encapsulation is obtained one or more CPS-PDU, in load has the CPS-PDU of the CPS-PKT that carries the postamble sign, adds the postamble sign;
The ATM encapsulation unit is used for the layer at ATM, receives the CPS-PDU from CPS, and the CPS-PDU that receives is carried out the cell encapsulation, in load has the cell of the CPS-PDU that carries the postamble sign, adds the postamble sign.
9. a congestion control system is characterized in that, comprises first network node and second network node, uses AAL2 type transfers data between said first network node and said second network node;
Said first network node; It is multiplexing to be used for that user data frame to be sent is carried out CPS; A plurality of CPS-PKT of same user data frame are multiplexing continuously, said multiplexing a plurality of CPS-PKT are continuously encapsulated obtain cell, and in comprising the cell of last CPS-PKT, insert the postamble sign; Network node frame that carries out to this user data frame when congested control that indication receives said user data frame abandons, and the cell of said user data frame is sent to said second network node.
10. congestion control system according to claim 9 is characterized in that,
Said second network node; Be used to receive the cell that belongs to same user data frame that said first network node sends continuously; When needs carry out congested control, search the cell that carries the postamble sign, and when detecting the cell that carries the postamble sign; Carry the indication of the cell of postamble sign according to this, this cell corresponding user data frame is carried out frame abandon.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110182377.XA CN102361473B (en) | 2011-06-30 | 2011-06-30 | Jamming control method, device and system |
| PCT/CN2012/075281 WO2013000342A1 (en) | 2011-06-30 | 2012-05-10 | Method, device, and system for congestion control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110182377.XA CN102361473B (en) | 2011-06-30 | 2011-06-30 | Jamming control method, device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102361473A true CN102361473A (en) | 2012-02-22 |
| CN102361473B CN102361473B (en) | 2016-12-21 |
Family
ID=45586728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110182377.XA Expired - Fee Related CN102361473B (en) | 2011-06-30 | 2011-06-30 | Jamming control method, device and system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102361473B (en) |
| WO (1) | WO2013000342A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013000342A1 (en) * | 2011-06-30 | 2013-01-03 | 中兴通讯股份有限公司 | Method, device, and system for congestion control |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252911A (en) * | 1997-04-16 | 2000-05-10 | Ntt移动通信网株式会社 | CDMA communication method |
| WO2000030304A1 (en) * | 1998-11-13 | 2000-05-25 | Samsung Electronics Co., Ltd. | Aal2 processing device and method for atm network |
| CN1305293A (en) * | 1999-11-12 | 2001-07-25 | 阿尔卡塔尔公司 | Blocking control of asynchronous transmission mode adaptive layer 2 connection |
| US20020080788A1 (en) * | 2000-12-21 | 2002-06-27 | Lg Electronics Inc. | AAL2 switch for multicast in mobile communication system and switching method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361473B (en) * | 2011-06-30 | 2016-12-21 | 中兴通讯股份有限公司 | Jamming control method, device and system |
-
2011
- 2011-06-30 CN CN201110182377.XA patent/CN102361473B/en not_active Expired - Fee Related
-
2012
- 2012-05-10 WO PCT/CN2012/075281 patent/WO2013000342A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252911A (en) * | 1997-04-16 | 2000-05-10 | Ntt移动通信网株式会社 | CDMA communication method |
| WO2000030304A1 (en) * | 1998-11-13 | 2000-05-25 | Samsung Electronics Co., Ltd. | Aal2 processing device and method for atm network |
| CN1305293A (en) * | 1999-11-12 | 2001-07-25 | 阿尔卡塔尔公司 | Blocking control of asynchronous transmission mode adaptive layer 2 connection |
| US20020080788A1 (en) * | 2000-12-21 | 2002-06-27 | Lg Electronics Inc. | AAL2 switch for multicast in mobile communication system and switching method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013000342A1 (en) * | 2011-06-30 | 2013-01-03 | 中兴通讯股份有限公司 | Method, device, and system for congestion control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102361473B (en) | 2016-12-21 |
| WO2013000342A1 (en) | 2013-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4299970B2 (en) | Broadband network using ATM cells | |
| US7006500B1 (en) | Methods, apparatuses and systems facilitating data transmission across bonded communications paths | |
| CN1160884C (en) | An ECN-based approach for congestion management in hybrid IP-ATM networks | |
| US7027443B2 (en) | Reassembly engines for multilink applications | |
| AU759524B2 (en) | Flow control method in a telecommunications system | |
| CN103346949B (en) | Based on Embedded dual pathways network packet unpack and organize bag method and system | |
| CN101079811B (en) | Data transmission method and system of airplane and ground system | |
| CN100531130C (en) | Method and system for controlling flow based on bandwidth adjusting mechanism | |
| CN104883335B (en) | A kind of devices at full hardware TCP protocol stack realizes system | |
| CN104780119B (en) | A kind of packet loss position and detection method based on SCPS TP | |
| CN101258719A (en) | Method to extend the physical reach of an Infiniband network | |
| JP2009502059A5 (en) | ||
| US6711167B1 (en) | ATM communication apparatus controlling method, ATM communication apparatus and recording medium therefor | |
| CN103748916A (en) | Method and device for transmitting/receiving data | |
| CN107682434A (en) | A kind of underwater sensor network framework and its implementation | |
| CN107786307A (en) | A kind of data processing method and terminal | |
| WO2012100679A1 (en) | Quality of service (qos) maintaining method, apparatus, and system | |
| CN110312226A (en) | Transmit the method and communication device of data | |
| CN101667959A (en) | Method and device for transmitting data in physical layer and data transmission system | |
| CN102361473A (en) | Congestion control method, apparatus thereof and system thereof | |
| US20040068577A1 (en) | Method for controlling a stream of data packets in a packet data communication network | |
| CN106302426A (en) | A kind of udp protocol stack implementation method of band retransmission mechanism based on FPGA | |
| CN106209318B (en) | A kind of MAC protocol data transmission method for TD-LTE | |
| WO1997048211A2 (en) | Implementing atm virtual channels in a packet network | |
| CN1307841C (en) | Base station internal real-time service data transmitting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20170630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |