CN103532954B - The coding network system at a kind of data-oriented center and method of work thereof - Google Patents
The coding network system at a kind of data-oriented center and method of work thereof Download PDFInfo
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Abstract
The invention discloses the coding network system at a kind of data-oriented center and method of work thereof, coding network system is mainly by the multiple servers in data center, the coding router connecting these servers and data link.Server and coding router all build coding network protocol module, coding network Spanning-Tree Protocol module, coding transmission protocol module, code cache management module and Socket Multiplexing module, these protocol module collaborative works, externally provide a coding network system.Method of work includes the realization of network code agreement and the realization to the registration of the data link layer such as Ethernet, token ring, coding network Spanning-Tree Protocol and coding transmission agreement and the registration to coding network agreement, route code cache manage, the multiplexing etc. of Socket.This system makes message can be encoded in centre route, to reduce the load of data center network, increases network resource utilization.
Description
Technical field
The present invention relates to data center (DataCenter) network system, it is on multiple source node under the application scenarios of certain coding form of information in destination node information needed, by synchronizing each source node and middle route, set up a coding network system, coding message can be encoded in centre route, to reduce the load of data center network, increase network resource utilization.The CNP/CTP protocol suite that coding network system is made up of multiple procotols and several software modules form, coding network can under the application scenarios of coding transmission, found the code tree of minimum cost by message pathfinding, and under the control of the coding transmission agreement on upper strata, be encoded transmission.
Background technology
Along with the fast development of cloud computing correlation technique, data center is as the backstage of cloud computing, it is provided that highly reliable, efficient cloud computing service.Current research shows, the Internet resources of data center have largely become the bottleneck of data center's operation efficiency, on the other hand, the powerful in theory advantage of network code (NetworkCoding) is also played widely in actual application, therefore, the present invention is in conjunction with network coding technique, in the data under the coding transmission application scenarios of the heart, a coding network is set up by the pattern of software protocol race, efficient coding network communication is provided, improve network resource utilization, reduce the offered load of data center.
Summary of the invention
The technical problem to be solved is to provide in the heart a series of family of network protocols to build a coding network system in the data, this network system supports that multiple source nodes and single destination node set up a coding network system, and provides coding transmission service and cache management work in this coding network system.Additionally, present invention also offers the method for work of this system.
The coding network system at data-oriented center of the present invention, main by the multiple stage data server in data center, the coding router connecting these data servers and data link, using coding router and data server as communication node, it is characterized in that, each communication node is built with:
ICP/IP protocol stack module: be used as the procotol support of data center's common applications；
Coding network protocol module: make coding network agreement be parallel to IP agreement, coding techniques Network Based provides in the heart the coding transmission of data message in the data；
Coding network Spanning-Tree Protocol module: the encoding data communication for each communication feature code mark builds a reverse multicast tree, to support coding transmission agreement；
Coding transmission protocol module: for the encoding data communication of each communication feature code mark, according to the reverse multicast tree that coding network Spanning-Tree Protocol generates, synchronize each leaf node and intermediate code router, make data be transferred to root node by what leaf node synchronized, and do encoding operation at the joint of pilot process；
Code cache management module: for the node that crosses of each reverse multicast tree, manage the buffer memory of communication node for each communication feature code, completes the application release of code synchronism and internal memory；
Socket Multiplexing module: by coding transmission protocol registration to Socket communication list, the application program making upper strata can call this agreement and do coding transmission, first coding transmission calls coding network Spanning-Tree Protocol, generate a reverse multicast tree, and keep a record at each node that crosses, resynchronisation afterwards starts coding transmission agreement.
Additionally, the present invention this additionally provide the method for work of coding network system at described data-oriented center, specifically include following steps:
1) coding network agreement realize and to the registration of data link layer, its concrete steps include:
11) coding receiver function cnp_rcv () is realized, coding receiver function is after receiving data message, by local communication feature code collection, determining the operation of the caching to this data message or forward operation etc., communication feature code collection is safeguarded by CNSTP agreement.
111) coding network agreement directly invokes cnp_output () function to being forwarded to data message, and data message forwarding according to circumstances to next communication node or is handed to the coding network Spanning-Tree Protocol on upper strata, coding transmission agreement etc. by this function.
112) data message needing coding is called cnp_code () function by coding network agreement, data message is cached in the internal memory of code cache management module assignment by this function, if buffer memory there is a need to the data message of coding, then it is encoded storing and update coding message number afterwards by two data messages, needed for reaching this node after the message number of coding, then indicate that the encoding tasks of this communication node completes, then coding message is called cnp_output () function again it is sent.
12) realize CNP agreement the outlet structure of cnp_output () function, when calling CNP protocol registration for CNSTP and the CTP agreement etc. on upper strata.
13) CNP receiver function cnp_rcv () realized and the type protocol code etc. that chooses are set up into a packet_type categorical variable, then call dev_add_pack () function registration in the data link layer of bottom.
14) data message realizing CNP sends function cnp_queue_xmit (), first this function adds the header of CNP agreement, and data message is sent to data link layer by the dev_queue_xmit () function calling data link layer afterwards.
2) realization of coding network Spanning-Tree Protocol and the registration to coding network agreement, its concrete steps include:
21) this agreement selects the reverse multicast path of minimum cost by source node broadcast minimum cost selection algorithm, is implemented as follows:
211) present node is sent a cnstp multicast message to the down hop port of destination node and all brotgher of node collection by each source node, comprises communication feature code (sid), path code (rid), destination address (destination) and the information such as brotgher of node address set (brothers), present communications cost (with message number × bar number for scale) in message.
212) each communication node is after receiving cnstp multicast message, updates the present communications cost in message, and each node that destination node and the brotgher of node are concentrated carries out down hop and seeks footpath.
2121) for all of down hop seeking footpath all consistent in the case of, this cnstp message is forwarded to next-hop node by this communication node.
2122) for all of seek footpath inconsistent in the case of under, this cnstp message (mainly communication cost and source node) directly clean culture is sent to destination node by this communication node, and generate a new cnstp message and multicast, the brotgher of node integrates all communication nodes belonging to same port as down hop and destination node.
213) communication node receives the communication feature code of buffer memory, path code indicates the generation multicasting loop, and now, algorithm can carry out multicast beta pruning timely, to avoid flooding.
214) after the communication cost information of destination node active node receiving, these information are collected, find out the reverse multicast tree of a Least-cost.When having identical minimum cost for many reverse multicast trees, Path selection is then determined by upper layer application layer, randomly chooses a spanning tree or can many spanning trees be utilized synergistically, with the operating pressure of equalizing system.
215) the reverse multicast tree link that above-mentioned steps generates is sent to each source node, each communication node identifies (sid, nextport) communicate right, for the use of the agreements such as CTP.
216) resources such as internal memory in this algorithm are reclaimed.
22) outlet structure in CNP agreement is registered CNSTP agreement, cnstp receiver function cnstp_rcv () realized and the protocol type code that chooses are registered in the outlet structure of cnp.
23) in this agreement, realize data send handling function cnstp_xmit () function, hand to cnp process by calling cnp_xmit () function after adding cnp protocol massages head.
3) realization of coding transmission agreement and the registration to coding network agreement, its concrete steps include:
31) coding transmission agreement adopts the similar transmission mode towards connecting-type with transmission control protocol (TCP).Each communication source node safeguards a sliding window, and time-out unacknowledged data message is retransmitted.
311) broadcast of the source node in cnstp agreement minimum cost selection algorithm is as the process of coding network connection establishment, and multiple source nodes and a destination node participate in jointly.
312) message receiver function ctp_rcv () of CTP agreement is realized, wherein sliding window mechanism and code cache management module cooperative work, destination node often receives a data message and verification is passed through, just by multicast tree one ack message of many broadcasts, source node is receiving each ack message by sliding window reach, in order to send more data message.
32) data message received is handed to the application layer on upper strata by coding transmission agreement according to information such as port numbers.
33) outlet structure in CNP agreement is registered CTP agreement, ctp receiver function ctp_rcv () realized and the protocol type code that chooses are registered in the outlet structure of cnp.
34) realizing data in this agreement and send handling function ctp_xmit () function, the transmission function handing to cnp by calling cnp_xmit () function after adding cnp protocol massages head processes.
4) realization of code cache management module, its concrete steps include:
41) communication source node and communication code node be required for a packet buffer district, with buffer memory wait network transmission or etc. data message to be encoded.
411) buffer area in source node shows as sliding window, expands according to network service and coding situation or shrinks the size of window, mainly by CTP control.
412) buffer area in coding nodes shows as cache resources pond, each session (session) is safeguarded a coding Accreditation Waiting Area in each coding nodes by coding network system, it is used for placing the data message first come, waits the data message of its brotgher of node to encode.
42) sliding window adopts to be similar to and opens algorithm slowly in Transmission Control Protocol.All increasing reception window when algorithm receives confirmation message every time, the size of increase is exactly have confirmed that the number of message.This situation is always maintained at not receiving some sections or the window size predefined threshold value of arrival.If it occur that loss event, it is encode congested or transmission blocking that algorithm is considered as this, and will taking measures, it is this congested to alleviate.Once loss event occur or arriving threshold value, algorithm will enter the linear increase stage.
43) cache resources pond adopts the cache mode of fixed upper limit, (x value is recommended between 0.7～0.9) when reaching x times of largest buffered, upstream source node transmission source suppresses message, source node receives this message and then the size of sliding window is reduced to 1, with the message dropping avoiding cache overflow to cause.
5) Socket multiplexing, its concrete steps include:
51) the socket layer that Socket communicates with bottom-layer network as application layer, the communication details of shielding bottom, it is provided that unified calling interface.Specifically in CNP/CTP protocol suite, play the effect of Process integration:
511) first applying and call cnp protocol by source node set and destination node, system generates a session characteristics code sid, as the ID of current session.
512) CNSTP agreement is then called, the coding network spanning tree needed for structure coding network.
513) after above-mentioned spanning tree structure is complete, call STP protocol, do the data transmission of coding network.
514) regain the sid in spanning tree after sign off, utilize for next time, and disconnect.
52) connection of Socket and CNP/CTP protocol suite software module is realized.
The present invention is based on linux kernel and network coding technique, by a series of family of network protocols building and realizing, a coding network system can be built in the heart in the data, under the application scenarios of coding transmission, generate a coding network spanning tree by network code Spanning-Tree Protocol, and in this spanning tree, do coding transmission by coding transmission agreement.Above-mentioned coding network system be at top speed according in the minds of back end provide a kind of new communication pattern, it is possible to largely improve the utilization rate of Internet resources, reduce the load of network.
Accompanying drawing explanation
Fig. 1 coding network protocol suite hierarchical chart,
Fig. 2 system scenarios structure chart,
Fig. 3 source node broadcast minimum cost selection algorithm flow chart,
Fig. 4 CNP receiver function process chart.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Fig. 1 is the hierarchical chart of coding network protocol suite, coding network agreement (CNP) is parallel and IP agreement network layer protocol, oneself is registered to data link layer by dev_add_packet () function by coding network agreement, and realizes cnp_xmit () and carry out the transmission of data message.Coding receiver function is after receiving data message, by local communication feature code collection, determines the operation of the caching to this data message or forwards operation etc., and communication feature code collection is safeguarded by CNSTP agreement.Coding network Spanning-Tree Protocol (CNSTP) operates in coding network agreement, broadcasts minimum cost selection algorithm by source node and provides coding spanning tree for coding network agreement.The coding transmission agreement (CTP) on upper strata is responsible for coding transmission end to end.First the coding Socket and the coding application program that are positioned at the superiors call CNSTP calculation code spanning tree, and are encoded transmission under the control of CTP.
Fig. 2 is the scene graph of system, coding network system is to be made up of the network equipment of the multiple data servers in data center and these servers of connection, each communication node (includes server and router) and runs the designed coding network protocol suite of the present invention, when the system is operated, coding network transmission can be provided for application layer program, specifically, when destination node desired data is the coding form of data in multiple source node, so, system can mail at each source node and find code machine meeting in the middle route of destination node, the data message synchronizing each source node sends and is responsible for being encoded in intermediate communication node, application layer is given again more afterwards by the data after coding.It is encoded again relative to after each data message is sent to destination node, is greatly saved transmission taking Internet resources.
Fig. 3 is the source node broadcast minimum cost selection algorithm flow chart of network code spanning tree, present node is sent a cnstp multicast message to the down hop port of destination node and all brotgher of node collection by each source node, comprises communication feature code (sid), path code (rid), destination address (destination) and the information such as brotgher of node address set (brothers), present communications cost (with message number × bar number for scale) in message.Each communication node, after receiving cnstp multicast message, is first repeated the beta pruning in path, updates the present communications cost in message, and each node that destination node and the brotgher of node are concentrated carries out down hop and seeks footpath.When all of down hop seeking footpath is all consistent, this cnstp message is forwarded to next-hop node by this communication node.For all of seek footpath inconsistent in the case of under, this cnstp message (mainly communication cost and source node) directly clean culture is sent to destination node by this communication node, and generate a new cnstp message and multicast, the brotgher of node integrates all communication nodes belonging to same port as down hop and destination node.After the communication cost information of destination node active node receiving, these information are collected, find out the reverse multicast tree of a Least-cost.When having identical minimum cost for many reverse multicast trees, Path selection is then determined by upper layer application layer, randomly chooses a spanning tree or can many spanning trees be utilized synergistically, with the operating pressure of equalizing system.
Fig. 4 is the handling process of CNP receiver function cnp_rcv (), coding receiver function is after receiving data message, by local communication feature code collection, determining that this data message carries out caching still forwards operation etc., communication feature code collection is safeguarded by CNSTP agreement.Coding network agreement directly invokes cnp_output () function to being forwarded to data message, and data message forwarding according to circumstances to next communication node or is handed to the coding network Spanning-Tree Protocol on upper strata, coding transmission agreement etc. by this function.The data message needing coding is called cnp_code () function by coding network agreement, data message is cached in the internal memory of code cache management module assignment by this function, if buffer memory there is a need to the data message of coding, then it is encoded storing and update coding message number afterwards by two data messages, needed for reaching this node after the message number of coding, then indicate that the encoding tasks of this communication node completes, then coding message is called cnp_output () function again it is sent.
The concrete application approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, it should be pointed out that; for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvement, these improvement also should be regarded as protection scope of the present invention.
Claims (8)
1. the coding network system at a data-oriented center, this system mainly includes the multiple stage data server in data center, the coding router connecting these data servers and data link, using coding router and data server as communication node, it is characterized in that, each communication node is built with:
ICP/IP protocol stack module: be used as the procotol support of data center's common applications；
Coding network protocol module: make coding network agreement be parallel to IP agreement, coding techniques Network Based provides in the heart the coding transmission of data message in the data；
Coding network Spanning-Tree Protocol module: the encoding data communication for each communication feature code mark builds a reverse multicast tree, to support coding transmission agreement；
Coding transmission protocol module: for the encoding data communication of each communication feature code mark, according to the reverse multicast tree that coding network Spanning-Tree Protocol generates, synchronize each leaf node and intermediate code router, make data be transferred to root node by what leaf node synchronized, and do encoding operation at the joint of pilot process；
Code cache management module: for the node that crosses of each reverse multicast tree, manage the buffer memory of communication node for each communication feature code, completes the application release of code synchronism and internal memory；
Socket Multiplexing module: by coding transmission protocol registration to Socket communication list, the application program making upper strata can call this agreement and do coding transmission, first coding transmission calls coding network Spanning-Tree Protocol, generate a reverse multicast tree, and keep a record at each node that crosses, resynchronisation afterwards starts coding transmission agreement.
2. the method for work of the coding network system at data-oriented center described in claim 1, it is characterised in that comprise the following steps:
1) coding network agreement realize and to the registration of data link layer,
2) coding network Spanning-Tree Protocol realize and to the registration of coding network agreement,
3) coding transmission agreement realize and to the registration of coding network agreement,
4) realization of code cache management；
5) realization of Socket multiplexing.
3. the method for work of the coding network system at data-oriented center according to claim 2, it is characterised in that step 1) concrete steps include:
11) coding receiver function cnp_rcv () is realized by the coding network protocol module of each communication node, coding receiver function is after receiving data message, by local communication feature code collection, determining and this data message carries out caching or forwards operation, communication feature code collection is safeguarded by cnstp agreement；Particularly as follows:
111) coding network agreement directly invokes cnp_output () function to being forwarded to data message, and data message forwarding according to circumstances to next communication node or is handed to the coding network Spanning-Tree Protocol on upper strata, coding transmission agreement by this function；
112) data message needing coding is called cnp_code () function by coding network agreement, data message is cached in the internal memory of code cache management module assignment by this function, if buffer memory there is a need to the data message of coding, then it is encoded storing and update coding message number afterwards by two data messages, needed for reaching this node after the message number of coding, then indicate that the encoding tasks of this communication node completes, then coding message is called cnp_output () function again it is sent；
12) outlet structure of the cnp_output () function of CNP agreement is realized, when calling CNP protocol registration for CNSTP and the CTP agreement on upper strata；
13) CNP receiver function cnp_rcv () realized and the type protocol code character that chooses are built up a packet_type categorical variable, then call dev_add_pack () function registration in the data link layer of bottom；
14) data message realizing CNP sends function cnp_queue_xmit (), first this function adds the header of CNP agreement, and data message is sent to data link layer by the dev_queue_xmit () function calling data link layer afterwards.
4. the method for work of the coding network system at data-oriented center according to Claims 2 or 3, it is characterised in that step 2) concrete steps include:
21) broadcasted by source node by coding network Spanning-Tree Protocol module, select the reverse multicast path of minimum cost with minimum cost selection algorithm,
22) outlet structure in CNP agreement is registered CNSTP agreement, cnstp receiver function cnstp_rcv () realized and the protocol type code that chooses is registered in the outlet structure of cnp,
23) in this agreement, realize data send handling function cnstp_xmit () function, hand to cnp process by calling cnp_xmit () function after adding cnp protocol massages head.
5. the method for work of the coding network system at data-oriented center according to claim 4, it is characterised in that step 21) it is implemented as follows:
211) present node is sent a cnstp multicast message to the down hop port of destination node and all brotgher of node collection by each source node, comprising communication feature code (sid), path code (rid), destination address (destination) and brotgher of node address set (brothers), present communications cost in message, wherein present communications cost is with message number × bar number for scale；
212) each communication node is after receiving cnstp multicast message, updates the present communications cost in message, and each node that destination node and the brotgher of node are concentrated carries out down hop and seeks footpath；
213) for all of down hop seeking footpath all consistent in the case of, this cnstp message is forwarded to next-hop node by this communication node,
Or for all of seek footpath inconsistent in the case of under, this direct clean culture of cnstp message is sent to destination node by this communication node, and generate a new cnstp message and multicast, the brotgher of node integrates all communication nodes belonging to same port as down hop and destination node；
214) communication node receives the communication feature code of buffer memory, path code indicates the generation multicasting loop, and now, algorithm can carry out multicast beta pruning timely, to avoid flooding；
215) after the communication cost information of destination node active node receiving, these information are collected, find out the reverse multicast tree of a Least-cost, when having identical minimum cost for many reverse multicast trees, Path selection is then determined by upper layer application layer, randomly choose a spanning tree or many spanning trees can be utilized synergistically, with the operating pressure of equalizing system；
216) the reverse multicast tree link that above-mentioned steps generates is sent to each source node, each communication node identifies (sid, nextport) communicate right, for the use of all the other agreements；
217) resource in this algorithm is reclaimed.
6. the method for work of the coding network system at data-oriented center according to Claims 2 or 3, it is characterised in that step 3) concrete steps include:
31) coding transmission protocol module makes each communication source node safeguard a sliding window, and time-out unacknowledged data message is retransmitted；
32) data message received is handed to the application layer on upper strata by coding transmission agreement according to port number information；
33) outlet structure in CNP agreement is registered CTP agreement, ctp receiver function ctp_rcv () realized and the protocol type code that chooses are registered in the outlet structure of cnp；
34) realizing data in this agreement and send handling function ctp_xmit () function, the transmission function handing to cnp by calling cnp_xmit () function after adding cnp protocol massages head processes.
7. the method for work of the coding network system at data-oriented center according to Claims 2 or 3, it is characterised in that step 4) concrete steps include:
41) communication source node and communication code node all arrange a packet buffer district, with buffer memory wait network transmission or etc. data message to be encoded, wherein the buffer area in source node shows as sliding window, expand according to network service and coding situation or shrink the size of window, mainly by CTP control；Buffer area in coding nodes shows as cache resources pond, and each session (session) is safeguarded a coding Accreditation Waiting Area in each coding nodes by coding network system, is used for placing the data message first come, waits the data message of its brotgher of node to encode；
42) sliding window adopts and opens algorithm slowly in Transmission Control Protocol, reception window all can be increased when algorithm receives confirmation message every time, the size increased is exactly have confirmed that the number of message, this situation is always maintained at not receiving some sections or the window size predefined threshold value of arrival, if it occur that loss event, it is encode congested or transmission blocking that algorithm is considered as this, and will taking measures, it is this congested to alleviate, once loss event occur or arriving threshold value, algorithm will enter the linear increase stage；
43) cache resources pond adopts the cache mode of fixed upper limit, when reaching x times of largest buffered, recommend x value between 0.7～0.9, upstream source node transmission source suppresses message, source node receives this message and then the size of sliding window is reduced to 1, with the message dropping avoiding cache overflow to cause.
8. the method for work of the coding network system at data-oriented center according to Claims 2 or 3, it is characterised in that step 5) concrete steps include:
51) the socket layer that Socket communicates with bottom-layer network as application layer, the communication details of shielding bottom, unified calling interface is provided, first apply and call cnp protocol by source node set and destination node, system generates a session characteristics code sid, as the ID of current session, then call CNSTP agreement, the coding network spanning tree needed for structure coding network；After above-mentioned spanning tree structure is complete, call STP protocol, do the data transmission of coding network；Regain the sid in spanning tree after sign off, utilize for next time, and disconnect；
52) connection of Socket and CNP/CTP protocol suite software module is realized.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101895376A (en) * | 2010-08-06 | 2010-11-24 | 浙江大学 | Transmission method for realizing data broadcasting in multi-hop wireless network |
| CN102209079A (en) * | 2011-06-22 | 2011-10-05 | 北京大学深圳研究生院 | Transmission control protocol (TCP)-based adaptive network control transmission method and system |
| CN102970235A (en) * | 2012-12-06 | 2013-03-13 | 南京邮电大学 | Multicast routing method based on intra-flow and inter-flow network encoding in wireless mesh network |
| CN103179517A (en) * | 2013-02-01 | 2013-06-26 | 清华大学 | Wireless multicast method of data center |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101895376A (en) * | 2010-08-06 | 2010-11-24 | 浙江大学 | Transmission method for realizing data broadcasting in multi-hop wireless network |
| CN102209079A (en) * | 2011-06-22 | 2011-10-05 | 北京大学深圳研究生院 | Transmission control protocol (TCP)-based adaptive network control transmission method and system |
| CN102970235A (en) * | 2012-12-06 | 2013-03-13 | 南京邮电大学 | Multicast routing method based on intra-flow and inter-flow network encoding in wireless mesh network |
| CN103179517A (en) * | 2013-02-01 | 2013-06-26 | 清华大学 | Wireless multicast method of data center |
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