CN102523305B - Pusher cache information, means, methods, systems, and local area network - Google Patents

Pusher cache information, means, methods, systems, and local area network Download PDF

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CN102523305B
CN102523305B CN 201110458436 CN201110458436A CN102523305B CN 102523305 B CN102523305 B CN 102523305B CN 201110458436 CN201110458436 CN 201110458436 CN 201110458436 A CN201110458436 A CN 201110458436A CN 102523305 B CN102523305 B CN 102523305B
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information
lan
data
cache
local area
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CN 201110458436
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CN102523305A (en
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何少伟
尹巍
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深信服网络科技(深圳)有限公司
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Abstract

本发明涉及一种缓存信息推送装置、构件、方法、系统及局域网,该装置设置在具有广域网加速缓存装置的局域网中,根据所述广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其他局域网的网络信息,以在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息,通过彼此的广域网加速缓存装置进行数据流的缓存加速。 The present invention relates to a cache information pusher, means, methods, systems, and local area network, the device is provided with WAN acceleration caching device LAN, according to the wide-area data cache information buffer means stores the acquired one data having All local area network information cache information, so that other local area network information other than itself to all the local area network LAN in each push, any two of the local area network LAN between all for the one information data cache, cache data streams to each other by the acceleration WAN acceleration device cache. 使得每个客户端局域网均知道与其具体相同缓存数据的其他客户端局域网的网络信息,增强了客户端局域网的学习机制,避免了只能在数据流经过的两个广域网加速缓存装置之间再传输相同数据时才有加速缓存效果。 Such that each client are aware LAN network information other clients cache data identical to their specific LAN, enhancing learning mechanism LAN clients, avoiding the retransmission buffer means only accelerate the data flow through the WAN between the two have the same effect acceleration caching data.

Description

缓存信息推送装置、构件、方法、系统及局域网 Pusher cache information, means, methods, systems, and local area network

技术领域 FIELD

[0001] 本发明涉及信息推送装置和方法,更具体地说,涉及一种缓存信息推送装置、构件、方法、系统及局域网。 [0001] The present invention relates to apparatus and method for pushing information, and more particularly, to a push device cache information, means, methods, systems, and local area networks.

背景技术 Background technique

[0002] 基于网络服务的应用,在广域网中由于受到带宽的限制,性能会降低。 [0002] Web-based applications and services, a wide area network due to bandwidth limitations, performance is reduced. 广域网加速缓存装置针对带宽的不足,一般使用压缩与缓存技术来保证带宽的充分利用。 WAN acceleration caching device for insufficient bandwidth, typically using compression and caching technology to ensure the full utilization of bandwidth. 在具体工作时,客户端局域网与服务端局域网在首次传输新数据时,处于客户端局域网和服务端局域网中各自的广域网加速缓存装置会缓存该新数据,以后客户端局域网与服务器端局域网传输相同的数据时,可在发送方的广域网加速缓存装置中进行编码,只在广域网上传输索引值,然后在接收方的广域网加速缓存装置中进行索引值解码,再将由接收方的广域网加速缓存装置将数据传输给接收方的局域网中的终端。 In the specific work, the client LAN and server LAN on first transmission of new data in the client LAN and server LAN respective WAN acceleration caching device caches the new data, after the same client LAN and server-side LAN transmission when data can accelerate the sender WAN buffer means is encoded, only over the WAN index value, then the receiving side WAN acceleration cache apparatus indexed value decoding again by recipient WAN acceleration buffer means data transmitted to the terminal in the local area network receiver.

[0003] 广域网构架中,服务器端局域网与各个客户端局域网形成表示层次关系的树形结构,而各个客户端局域网之间形成表示同一层次分支关系的网状网络。 [0003] framework WAN, LAN and server each client LAN formed tree structure representing a hierarchical relationship, and each represents a client form a mesh network of the same branching hierarchy relationship between LAN terminal. 目前,服务器端局域网与一个客户端局域网进行某一数据的传输,同时该服务器端局域网又与另一个客户端局域网进行该数据的传输,此时这两个客户端局域网虽然均缓存有该数据,但是却在两者之间首次传输该数据时没有缓存的效果,原因在于这两个客户端局域网之间并不知道对方拥有缓存数据。 Currently, LAN server and a client of a local area network for transmission of data, while the server-side LAN and another client with the LAN data transmission, in which case both clients LAN although there are buffers the data, no cache effect, because customers do not know between the two ends of the LAN data cache when the other party has but first transmission of the data between the two.

发明内容 SUMMARY

[0004] 本发明要解决的技术问题在于,针对现有技术的广域网构架中只能在数据流经过的两个广域网加速缓存装置之间再传输相同数据时才有加速缓存效果,不具有学习机制的缺陷,提供一种缓存信息推送装置、构件、方法、系统及局域网。 [0004] The present invention is to solve the technical problems that have only accelerate cache acceleration effect retransmission of the same data between the frame buffer means for wide area network in the prior art data flow through the two WAN, the mechanism does not have to learn defect, there is provided a push device cache information, means, methods, systems, and local area networks.

[0005] 本发明解决其技术问题所采用的技术方案是:构造一种用于局域网的缓存信息推送装置,该缓存信息推送装置设置在具有广域网加速缓存装置的局域网中,根据所述广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其他局域网的网络信息,以在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息,通过彼此的广域网加速缓存装置进行数据流的缓存加速。 [0005] aspect of the present invention to solve the technical problem are: to construct a local area network cache information push means for pushing the cache information apparatus provided with the cache WAN acceleration device LAN, WAN, according to the acceleration buffer information stored in the data buffer means acquires information of all local area network having a data cache information, so that other network information to the local area network LAN in each of all local area network other than its own push to all of the local area network between any two of the local area information for the one data cache, cache data streams to each other by means of WAN acceleration caching acceleration.

[0006] 在本发明所述的用于局域网的缓存信息推送装置中,所述缓存信息推送装置定时触发进行网络信息的推送;或者仅当其所位于的局域网的广域网加速缓存装置的缓存数据达到预设数量时,触发进行网络信息的推送;或者通过接收别的局域网发送的查询请求,触发进行网络信息的推送。 [0006] In the cache information for LAN push device according to the present invention, the buffering information periodically trigger push device for pushing network information; or only when it is located in the local area network WAN acceleration cache data buffer means reaches when the preset number, the trigger push network information; or by receiving a query request sent from another LAN, the network information is a push trigger.

[0007] 在本发明所述的用于局域网的缓存信息推送装置中,所述局域网是服务器端局域网或客户端局域网。 [0007] In the LAN push device for buffering information according to the present invention, the LAN is a LAN server or a client LAN.

[0008] 根据本发明的另一个方面,提供一种多分支共享流缓存加速构件,其用于至少两个局域网通过广域网进行数据交换;在每个局域网的数据交换接口处均设置有一个所述多分支共享流缓存加速构件;所述多分支共享流缓存加速构件包括广域网加速缓存装置;当两个局域网进行数据交换时,通过彼此的广域网加速缓存装置进行数据流的缓存加速,所述多分支共享流缓存加速构件还包括缓存信息推送装置,用于根据所述广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其他局域网的网络信息,以在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息进行数据流的缓存加速。 [0008] According to another aspect of the invention, there is provided a shared multi-drop stream buffer acceleration member, which at least two local area networks for the exchange of data via the WAN; exchange interface is provided with a data in each of said LAN accelerating the stream buffer shared multi-drop member; a multi-branch member comprises a shared stream buffer acceleration WAN acceleration buffer means; when two local area network to exchange data, the acceleration data cache stream each other by means of WAN acceleration buffer, said multi-branch shared stream buffer cache accelerator member further comprises a push device information, information according to the data cache for WAN acceleration device stored in the cache, get all the information on LAN data having a certain cache information to all local area network to the each local area network LAN push other network information other than itself, to cache data flow between any two of the local area network LAN for all the data cached information a certain acceleration.

[0009] 在本发明所述的多分支共享流缓存加速构件中,所述缓存信息推送装置定时触发进行网络信息的推送;或者仅当其所位于的局域网的广域网加速缓存装置的缓存数据达到预设数量时,触发进行网络信息的推送;或者通过接收别的局域网发送的查询请求,触发进行网络信息的推送。 [0009] In a shared multi-drop stream buffer of the present invention, acceleration member, the buffering information periodically trigger pushing means for pushing network information; or only when it is located in the local area network WAN acceleration cache data buffer means reaches a pre- when the set number, push-triggered network information; or by receiving a query request sent from another LAN, the network information is a push trigger.

[0010] 在本发明所述的多分支共享流缓存加速构件中,所述局域网是服务器端局域网或客户端局域网。 [0010] In a shared multi-drop stream buffer of the present invention, acceleration member, said local area network is a LAN server or a client LAN.

[0011] 根据本发明的另一个方面,提供一种用于局域网的缓存信息推送方法,在所述局域网的数据交换接口处设置有广域网加速缓存装置,以进行数据流的缓存加速,根据所述广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其他局域网的网络信息,以在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息进行数据流的缓存加速。 [0011] According to another aspect of the invention, there is provided a local area network cache information delivery method for data exchange interface provided at said local cache has a WAN acceleration means for accelerating the cache data flow, according to the WAN acceleration caching storage device data buffer information, acquired network information to all local area network having a data cache information, so that the network information of the other local area network to said all the LAN each LAN push other than itself, to in the accelerating said cache data flow between any two of all the LAN for the LAN a data cache information.

[0012] 在本发明所述的用于局域网的缓存信息推送方法中,定时触发进行网络信息的推送;或者仅当局域网的广域网加速缓存装置的缓存数据达到预设数量时,触发进行网络信息的推送;或者通过接收别的局域网发送的查询请求,触发进行网络信息的推送。 [0012] In the push method cached information for local area network according to the present invention, the timing of the trigger push network information; or only when LAN WAN acceleration cache data buffer means reaches a predetermined number, network information for the trigger push; or by receiving a query request sent from another LAN, the network information is a push trigger.

[0013] 根据本发明的再一个方面,提供一种多分支共享流缓存加速系统,其包括通过广域网进行数据交换的至少两个局域网,其中,在每个局域网的数据交换接口处设置有广域网加速缓存装置;一个局域网为服务器端局域网,其余的局域网为客户端局域网;所述服务器端局域网与一个客户端局域网,通过彼此的广域网加速缓存装置进行数据流的缓存加速,在所述服务器端局域网中还设置有缓存信息推送装置,其用于根据所述服务器端局域网的广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其他局域网的网络信息,以在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息,通过彼此的广域网加速缓存装置进行数据流的缓存 [0013] According to a further aspect of the present invention, there is provided a shared multi-drop stream buffer acceleration system, which comprises at least two LAN data exchanged over the WAN, wherein a data exchange interface of each LAN has WAN acceleration buffer means; LAN is a LAN server, the rest of the local area network LAN to the client; the server a client LAN to LAN data stream cache accelerated by another cache WAN acceleration device, a server in the LAN there is also provided means for pushing information cache, for caching information according to the data server LAN WAN acceleration stored in the cache apparatus acquires information of all local area network having a data cache information to all local area network to the each local area network LAN push other network information other than itself, to a certain information for the data buffer in between any two of the local area networks of all LAN, WAN acceleration by another cache means for caching the data stream 加速。 accelerate.

[0014] 根据本发明的又一个方面,提供一种局域网,在所述局域网的数据交换接口处设置有广域网加速缓存装置,以进行数据流的缓存加速,在所述局域网中设置有缓存信息推送装置;该缓存信息推送装置根据所述广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其他局域网的网络信息,以在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息,通过彼此的广域网加速缓存装置进行数据流的缓存加速。 [0014] According to another aspect of the present invention, there is provided a local area network, the data exchange local area network interface is provided with a WAN acceleration caching means for caching the data stream is accelerated, there is provided a local area network cache information Push means; means the acceleration information push buffer data cache information stored in the cache means based on the wide area network, a local area network to obtain network information about all the data having a certain cache information to all the local area network to each of a local area network other than its own push network information to other LANs, to a certain information for the data buffer in between any two of the local area networks of all LAN, WAN acceleration by another cache means for caching the acceleration data stream.

[0015] 实施本发明的缓存信息推送装置、构件、方法、系统及局域网,具有以下有益效果: 服务器端局域网的缓存信息推送装置向每个客户端局域网推送相关的网络信息,使得每个客户端局域网均知道与其具体相同缓存数据的其他客户端局域网的网络信息,增强了客户端局域网的学习机制,避免了只能在数据流经过的两个广域网加速缓存装置之间再传输相同数据时才有加速缓存效果。 [0015] The embodiment of the present invention, cache information pusher, means, methods, systems and local area networks, has the following advantages: server-side LAN local area network cache information push device to each client push relevant network information, such that each client when local area network are aware of other information specific to their client's LAN same cache data, and enhance the learning mechanism LAN clients to avoid the re-transmission of the same data in the cache device can only accelerate the flow of data through the WAN between the two have acceleration caching effects.

附图说明 BRIEF DESCRIPTION

[0016] 下面将结合附图及实施例对本发明作进一步说明,附图中: [0016] The accompanying drawings and the following embodiments of the present invention is further illustrated drawings in which:

[0017] 图1是本发明多分支共享流缓存加速系统第一实施例的结构示意图; [0017] FIG. 1 is a schematic structural diagram of the present invention is a multi-branch cache system of the first embodiment of the acceleration shared stream;

[0018] 图2是本发明多分支共享流缓存加速系统第二实施例的结构示意图; [0018] FIG. 2 of the present invention is a multi-drop stream buffer shared structural diagram of a second embodiment of the system the acceleration;

[0019] 图3是本发明多分支共享流缓存加速方法的流程图。 [0019] FIG. 3 is a flowchart of the present invention is a multi-drop method for accelerating shared cache stream.

具体实施方式 Detailed ways

[0020] 为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。 [0020] To make the objectives, technical solutions and advantages of the present invention will become more apparent hereinafter in conjunction with the accompanying drawings and embodiments of the present invention will be further described in detail. 应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。 It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention.

[0021] 如图1和2所示本发明多分支共享流缓存加速系统中,其主要包括通过广域网3 进行数据交换的至少两个局域网。 [0021] As shown in FIGS. 1 and 2 of the present invention is a shared multi-drop stream buffer acceleration system, which includes at least two LAN data exchanged via the WAN 3. 可以理解的,在数据交换的过程中,可以是客户端之间的数据交换,也可以是客户端与服务器之间的数据交换,因此,该局域网可以是服务器端局域网1或客户端局域网2。 Be appreciated that, in the course of data exchange, the data may be exchanged between the client, the data may be exchanged between the client and the server, and therefore, the LAN may be a local area network server or a client LAN 2. 为了加快数据传输的效率及降低带宽的限制,在每个局域网(客户端局域网2和服务器端局域网1)的数据交换接口处设置有广域网加速缓存装置4。 In order to enhance the efficiency of data transmission is reduced and bandwidth constraints, (2 LAN clients and server-side LAN 1) are provided in each LAN WAN acceleration cache apparatus 4 of the data exchange interface. 由此, 服务器端局域网1与一个客户端局域网2,可通过服务器端局域网1的广域网加速缓存装置4和客户端局域网2的广域网加速缓存装置4进行数据流的缓存加速。 Thereby, the server 1 and a client LAN 2 LAN, WAN acceleration caching apparatus 1 and the client 4 LAN 2 WAN acceleration cache apparatus 4 caches a data stream may be accelerated by a local area network server. 具体为:客户端局域网2中的客户端21与服务器端局域网1中的服务器11在传输过第一遍数据时,客户端局域网2和服务器端局域网1中各自的广域网加速缓存装置4会缓存该传输的数据,以后该客户端局域网2中的客户端21再向服务器端局域网1中的服务器11传输相同的数据时,可以在客户端局域网2的广域网加速缓存装置4中进行编码,而仅通过广域网3传输索引值,然后在服务器端局域网1的广域网加速缓存装置4中将该索引值进行解码,最后再将服务器端局域网1的广域网加速缓存装置4所缓存的数据发送给服务器11。 Specifically: a client LAN client 2 and the server 21 in the LAN 11 of the server 1 when transmitting data through the first pass, the client and server-side LAN 2 LAN 1 WAN acceleration respective cache means caches the 4 data transmission after the client in the LAN 2 client 21 again server LAN same server 11 transmission 1 data, the LAN 2 WAN acceleration buffer means for encoding the 4 client, but only by 3 WAN transmission index value, then the local area network acceleration device cache index WAN server side 1 of 4 decoding, and then finally a server-side LAN WAN acceleration device 4 caches in the cache data to the server 11. 同理,两个客户端局域网2也可通过各自的广域网加速缓存装置4进行数据流的缓存加速,具体操作类似客户端局域网2和服务器端局域网1之间的工作流程。 Similarly, two LAN client cache 4 2 can also be accelerated data streams through the respective acceleration caching device WAN, the specific operation is similar to the client and the server LAN 2 LAN 1 between the workflow.

[0022] 另外,为了准确和安全地进行局域网之间的数据流缓存加速,需要进行数据的匹配验证。 [0022] Further, in order to accurately perform accelerated stream buffer between the LAN and the security, it is necessary to match the verification data. 也就是说,在服务器端局域网1和客户端局域网2之间或两个客户端局域网2之间进行数据传输时,在通过发送方和接收方各自的广域网加速缓存装置4进行加速缓存之前,需要进行数据匹配。 That is, the server side and the client LAN LAN 1 or 2 between two clients when data transmission between the LAN 2, 4 before the cache accelerated by transmitting and receiving a respective WAN acceleration caching apparatus required data matching. 当匹配成功时,才发送索引值进行加速缓存。 When a match is found, it sends the index accelerated cache. 当匹配失败时,就进行原始数据的发送。 When the matching fails, the original data transmission. 具体操作时,发送方的终端将数据发送到该发送方的广域网加速缓存装置4,在广域网加速缓存装置4存储有数据缓存信息,每个数据缓存信息存储有可进行数据加速缓存的收发方的信息及相应的具体传输数据的特征,例如该数据缓存信息可包括特征值、缓存数据和对端网络信息数据。 Specific operation, the sender terminal sends data to the sender WAN acceleration cache apparatus 4, the WAN acceleration cache apparatus 4 stores data cache information, each data cache information is stored may be of accelerated caching transceiver side and characteristic information corresponding to specific transmission data, for example, the information may include a data cache feature value, cache data, and information data corresponding network. 广域网加速缓存装置4在接收到待传输的数据后,将针对每个数据缓存信息进行逐一匹配。 WAN acceleration cache apparatus 4, after receiving the data to be transmitted, will be individually matched for each data cache information. 当与某个特定的数据缓存信息进行匹配时,将提取该待传输的数据的特征值与所存储的该特定的数据缓存信息的特征值进行匹配,匹配成功的,将进行下一级匹配;而匹配失败的,则与另一个数据缓存信息进行匹配,倘若所有数据缓存信息均已匹配则表示待传输的数据为新数据,从而通过广域网3将原始数据发送到接收方,同时该广域网加速缓存装置4将根据接收方信息和待传输的数据进行处理以得到一新的数据缓存信息。 When matched to a particular data buffer information, the extracted feature value of the feature value data to be transmitted with the specific data stored in the cache information matching, the matching is successful, the next match will be one; the matching fails, the matched with another data cache information, if all the data buffers of information have been matched then the data to be transmitted is new data, so that 3 to transmit raw data to a receiver via a wide area network, while the WAN acceleration caching the processing device 4 the data to be transmitted and the recipient information to obtain a new data cache information. 当特征值匹配成功后,广域网加速缓存装置4将进行数据匹配,也就是说将该待传输的数据与该数据缓存信息所对应的缓存数据进行匹配,如果一致,表示匹配成功,将进入再下一级匹配;如果不一致,表示匹配失败,则与另一个数据缓存信息进行匹配,倘若所有数据缓存信息均已匹配则表示待传输的数据为新数据,从而通过广域网3将原始数据发送到接收方,同时该广域网加速缓存装置4将根据接收方信息和待传输的数据进行处理以得到一新的数据缓存信息。 When the feature value matching succeeds, WAN acceleration data cache apparatus 4 will be matched, the data that is to be transmitted to the data cache information corresponding to the data cache match, if the same, represents a successful match, then the next entering a match; if not, represents a failure to match, then another matching data cache information, if all the information has been cached data matches the data representing the new data to be transmitted to the transmission 3 to the original data to the receiver via the WAN while the cache WAN acceleration device 4 is processed according to the recipient information and the data to be transmitted to obtain a new data cache information. 在数据匹配成功后,将进行对端网络信息的匹配,也就是最后一级匹配,即将待传输的数据的接收方信息与数据缓存信息的对端网络信息数据相匹配,如果一致,表示匹配成功,从而广域网加速缓存装置将索引值发送到接收方,然后在接收方的广域网加速缓存装置4中将该索引值进行解码,最后再将接收方的广域网加速缓存装置4所缓存的数据发送给接收方的某个终端。 After successful data matching, the matching between the end of the network information, and final match one of the network information data receiver side information and data cache information is about data to be transmitted matches, if the same, represents a successful match so that the data WAN acceleration caching apparatus transmits an index value to the recipient, then the recipient WAN acceleration cache means the index 4 is decoded, then the final recipient WAN acceleration four cache buffer means to the receiving a terminal side. 反之,待传输的数据的接收方信息与数据缓存信息的对端网络信息数据不一致,则与另一个数据缓存信息进行匹配,倘若所有数据缓存信息均已匹配则表示待传输的数据为新数据,从而通过广域网3将原始数据发送到接收方,同时该广域网加速缓存装置4将根据接收方信息和待传输的数据进行处理以得到一新的数据缓存信息。 Conversely, remote network information data recipient information and data cache information data to be transmitted does not match, matching is performed with another data cache information, if all the information has been cached data matches the data representing the new data to be transmitted, 3 so that the original data transmitted by the WAN to the receiver, while the cache WAN acceleration device 4 is processed according to the recipient information and the data to be transmitted to obtain a new data cache information.

[0023] 然而在一个客户端局域网2与服务器端局域网1进行某一数据传输的加速缓存时,其他客户端局域网2即使跟服务器端局域网1进行过该相同数据的传输,由于其他客户端局域网2并不能获悉该客户端局域网也具有该数据的缓存,因此其他客户端与该客户端进行该数据的传输时,仍然需要进行首次传输新数据的加速缓存,其只能在数据流经过的两个广域网加速缓存装置之间再传输相同数据时才有加速缓存的效果。 When [0023] However, in a client server local area network LAN 1 and 2 to accelerate a data transfer buffer, even though other clients 2 LAN with a LAN server 1 through the transmission of the same data, because other clients LAN 2 when informed that the client does not have the cache of the local area network data, so other clients for transmission of the data to the client, still need to accelerate the transfer of new data in the cache for the first time, it can only flow through the two data WAN acceleration effect of the acceleration only when the cached data is then transferred between the cache means the same. 为此,如图1所示在服务器端局域网1中还设置有缓存信息推送装置5,其用于根据该服务器端局域网1的广域网加速缓存装置4所存储的数据缓存信息,向所有具有相同缓存数据的客户端局域网2推送与其具有相同缓存数据的其他客户端局域网的网络信息,也就是说,告知某一个客户端局域网2有哪些别的客户端局域网2和它具有相同的缓存数据,从而任意一个客户端局域网2与另一个客户端局域网2进行数据交换时,就算该两个客户端局域网2进行首次的数据传输,发送方的客户端局域网2将知道接收方的客户端局域网2是否有与待传输数据的相同的缓存数据,从而可在具有相同缓存数据的两个客户端局域网2之间进行数据流的缓存加速。 For this purpose, as shown in Figure 1 in a local area network server with a cached information is also provided a push device 5 for 1 WAN acceleration data cache information stored in the cache apparatus 4 based on the server-side LAN, all with the same buffer 2 LAN client data push its information network with the same cache data to other LAN clients, that is, to inform a client LAN 2 LAN what other clients 2 and it has the same cache data to any 2 when a client LAN to another LAN client 2 exchange data, even if the two LAN client 2 for the first time data transmission, the sender client LAN 2 will recognize the recipient client whether there LAN 2 same data cache data to be transmitted, which can cache data flow between two LAN accelerated 2 clients with the same cache data. 该广域网加速缓存装置4和缓存信息推送装置5 -起构成了多分支共享流缓存加速构件6。 The WAN acceleration device 4 caches and cache information pusher 5 - join to form a shared multi-drop stream buffer accelerator member 6.

[0024] 为了及时有效地,更新各个客户端局域网2对具有相同缓存数据的其他客户端局域网的对端网络信息的熟悉,该服务器端局域网1将定时触发其缓存信息推送装置5进行网络信息的推送。 [0024] In order to timely and effective manner, to update each client LAN familiar remote network information from two other customers with the same cache data terminal of the LAN, the server-side LAN 1 timing triggers its cached information delivery means 5 for network information push. 可以理解的,服务器端局域网1主动推送的实现方法可以有多种,除了定时触发外,还可以根据别的方法进行主动推送,例如仅当服务器端局域网1的缓存数据达到一定量后才进行推送。 It will be appreciated, the server-side LAN active push-implemented method can have a variety of 1, except that the timing of the trigger, but can also be active push method according to another, for example, the push server LAN only when the cache data reaches a certain amount after . 另外,除了采用服务器端局域网1的主动推送外,还可以采用客户端局域网2的主动查询,也就是客户端局域网通过检索本地缓存数据查找具有相同缓存数据的其他网络节点,也就是服务器端局域网1的缓存信息推送装置5通过接收客户端局域网2发送的查询请求,触发进行网络信息的推送。 Further, except that the server LAN active push 1, but also may be employed client LAN active query 2, i.e. the client LAN to find other network nodes have the same cached data by searching the local cache data, that is, the server-side LAN 1 the cache information push device 5 by receiving the client request sent by the local area network 2, the network information is a push trigger.

[0025] 为了进一步支持,非服务端局域网的网络信息的推送,如图2所示可在客户端局域网2中也设置缓存信息推送装置5,其根据该客户端局域网的广域网加速缓存装置所存储的数据缓存信息,向其他各个客户端局域网推送与其具有相同缓存数据的别的客户端局域网的网络信息,也就是,该缓存信息推送装置5将检索广域网加速缓存装置4中的缓存数据,并计算每个缓存数据所关联的客户端局域网的网络信息,并告知具有相同缓存数据的所有客户端局域网其他客户端局域网的网络信息,从而在具有相同缓存数据的两个客户端局域网之间进行数据流的缓存加速。 [0025] To further support the push non-serving network information of the LAN side, as shown in FIG 2 may also be provided in a local area network cache information push client device 5, which is stored based on the client LAN WAN acceleration device cache data cache information, LAN pushed to each other clients thereto have the same cached data, the other client LAN network information, i.e., the buffer information push means 5 retrieves WAN acceleration cache data in 4 buffer means, and calculates All data flow between the client caches the data associated with each client LAN network information, and inform the cache data having the same information to other local area network LAN clients to cache data having the same two clients of a local area network cache acceleration.

[0026] 图3示出了本发明多分支共享流缓存加速的方法流程,该方法流程基于图2所示的系统结构,具体过程为: [0026] FIG. 3 illustrates the present invention, the shared multi-drop stream buffer flow acceleration method, the method flow based on the system configuration shown in FIG. 2, the specific process is:

[0027] S31 :缓存信息推送装置5根据广域网加速缓存装置4所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息;在具体工作时,该缓存信息推送装置5会针对广域网加速缓存装置4中的每一个数据缓存信息,进行这种网络信息的获取,也就是说,针对数据缓存信息al,获取具有数据缓存信息al的所有局域网的网络信息;针对数据缓存信息a2,获取具有数据缓存信息al的所有局域网的网络信息;......;针对数据缓存信息an,获取具有数据缓存信息al的所有局域网的网络信息。 [0027] S31: cache information delivery means 5 of the wide-area data cache information 4 stored in the cache means, acquires the network information about all local area having a data cache information; in the concrete work, the cache information delivery means 5 can for WAN acceleration data cache information for each cache apparatus 4, for obtaining such network information, i.e., information for the data cache al, obtaining network information about all the data having buffering information LAN al.; a2 information for the data cache, get information about all the LAN network with a data cache of information al; ......; for the data cache information an, get information about all local area network data cache has al the information. 优选的,可定时触发进行网络信息的推送;或者仅当局域网的广域网加速缓存装置的缓存数据达到预设数量时, 触发进行网络信息的推送;或者通过接收别的局域网发送的查询请求,触发进行网络信息的推送。 Preferably, the timing of the trigger can be pushed network information; or only when LAN WAN acceleration cache data buffer means reaches a predetermined number, network information, triggering the push; or by receiving a query request sent by another local area network, a trigger for push network information.

[0028] S32 :向所有局域网中的每一个局域网推送除自身以外的其他局域网的网络信息, 以在所有局域网中的任意两个局域网之间针对某一个数据缓存信息进行数据流的缓存加速,也就是说,告知某一个客户端局域网2有哪些别的客户端局域网2和它具有相同的缓存数据,从而任意一个客户端局域网2与另一个客户端局域网2进行数据交换时,就算该两个客户端局域网2进行首次的数据传输,发送方的客户端局域网2将知道接收方的客户端局域网2是否有与待传输数据的相同的缓存数据,从而可在具有相同缓存数据的两个客户端局域网2之间进行数据流的缓存加速。 [0028] S32:, between any two LANs in order to all LAN data flow cache acceleration data cache for a particular message to all the LAN each LAN push another LAN network information other than itself, but also that is, a client to inform the LAN 2 which another client with the LAN 2, and 2 2 another client LAN data exchange, even if it has the same two client data cache, so that any client LAN LAN terminal 2 for the first time data transmission, the sender client LAN 2 will recognize the recipient client LAN 2 if the same data with the cache data to be transmitted, so that the two can be a local area network clients with the same cache data cache data flow between two acceleration.

[0029] 以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。 [0029] The foregoing is only preferred embodiments of the present invention but are not intended to limit the present invention, any modifications within the spirit and principle of the present invention, equivalent substitutions and improvements should be included in the present within the scope of the invention.

Claims (10)

1. 一种用于局域网的缓存信息推送装置,其特征在于,该缓存信息推送装置设置在具有广域网加速缓存装置的局域网中,根据所述广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其它局域网的网络信息,以告知每一个局域网与其具有相同数据缓存信息的其它局域网信息,在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息,通过彼此的广域网加速缓存装置进行数据流的缓存加速。 A local area network cache information for pushing means, wherein the buffer means is provided with information push WAN acceleration LAN buffer means, having a wide-area data based on the cache information stored in the cache means acquires All information on LAN data cache information, so that all the local area network to a LAN push each other LAN network information other than itself, to inform each other LAN local area information having the same information and its data cache, in All the local area network between any two LAN certain information for the data cache, cache data streams to each other by means of WAN acceleration caching acceleration.
2. 根据权要求1所述的用于局域网的缓存信息推送装置,其特征在于,所述缓存信息推送装置定时触发进行网络信息的推送;或者仅当其所位于的局域网的广域网加速缓存装置的缓存数据达到预设数量时,触发进行网络信息的推送;或者通过接收别的局域网发送的查询请求,触发进行网络信息的推送。 The right to ask for cached information LAN push device of claim 1, wherein the buffering information periodically trigger push device for pushing network information; or only when it is located in the local area network WAN acceleration buffer means when buffer data reaches a preset number, network information, triggering the push; or by receiving a query request sent from another LAN, the network information is a push trigger.
3. 根据权要求1所述的用于局域网的缓存信息推送装置,其特征在于,所述局域网是服务器端局域网或客户端局域网。 The right to ask for cached information LAN push device of claim 1, wherein said LAN is a LAN server or a client LAN.
4. 一种多分支共享流缓存加速构件,用于至少两个局域网通过广域网进行数据交换; 在每个局域网的数据交换接口处均设置有一个所述多分支共享流缓存加速构件;所述多分支共享流缓存加速构件包括广域网加速缓存装置;当两个局域网进行数据交换时,通过彼此的广域网加速缓存装置进行数据流的缓存加速,其特征在于,所述多分支共享流缓存加速构件还包括缓存信息推送装置,用于根据所述广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其它局域网的网络信息,以告知每一个局域网与其具有相同数据缓存信息的其它局域网信息,在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息进行数据流的缓存加速。 A shared multi-drop stream buffer accelerator member, the at least two local area networks for data exchange via a wide area network; data exchange interface of each LAN is provided with a plurality of said shared branch stream buffer accelerator member; said plurality branch shared flow cache acceleration member comprises a WAN acceleration buffer means; when two local area network to exchange data cache to accelerate data flow through another WAN acceleration caching apparatus, wherein the multi-branch shared stream buffer accelerator member further comprises cache information push device, according to the wide-area data stored in the cache means caches the information, acquires information about all local area network having a data cache information to all the local area network to each of a local area network other than its own push other LAN network information, to inform each other LAN local area information having the same information and its data cache, cache data flow between any two LANs in the acceleration of the LAN for all the certain data cached information a .
5. 根据权利要求4所述的多分支共享流缓存加速构件,其特征在于,所述缓存信息推送装置定时触发进行网络信息的推送;或者仅当其所位于的局域网的广域网加速缓存装置的缓存数据达到预设数量时,触发进行网络信息的推送;或者通过接收别的局域网发送的查询请求,触发进行网络信息的推送。 The multi-branch stream buffer 4 shared claim acceleration member, wherein the push device to periodically trigger the cache information for a push network information; or only when it is located in the local area network WAN acceleration cache buffer means when the data reaches a preset number, network information, triggering the push; or by receiving a query request sent from another LAN, the network information is a push trigger.
6. 根据权要求4所述的多分支共享流缓存加速构件,其特征在于,所述局域网是服务器端局域网或客户端局域网。 6. The multi-branch weights according to claim 4, wherein the flow cache acceleration shared member, wherein said LAN is a LAN server or a client LAN.
7. -种用于局域网的缓存信息推送方法,在所述局域网的数据交换接口处设置有广域网加速缓存装置,以进行数据流的缓存加速,其特征在于,根据所述广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其它局域网的网络信息,以告知每一个局域网与其具有相同数据缓存信息的其它局域网信息,在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息进行数据流的缓存加速。 7. - LAN species for caching information delivery method, the data exchange local area network interface is provided with a WAN acceleration stored in the cache means for caching the acceleration data stream, wherein the buffer means according to the acceleration WAN data cache information, the network information obtaining all the local area network having a data cache information, so that all the local area network to a LAN push each other LAN network information other than itself, to inform each having the same data thereto LAN other LAN information cache information, the cache data flow between any two LANs in the acceleration of the LAN for all the certain data cached information.
8. 根据权要求7所述的用于局域网的缓存信息推送方法,其特征在于,定时触发进行网络信息的推送;或者仅当局域网的广域网加速缓存装置的缓存数据达到预设数量时,触发进行网络信息的推送;或者通过接收别的局域网发送的查询请求,触发进行网络信息的推送。 8. The method of caching information push for local area network according to the weights 7, characterized in that the timing of the trigger push network information; or only when LAN WAN acceleration cache data buffer means reaches a preset number, for triggering push network information; or by receiving a query request sent by another local area network, the network information is a push trigger.
9. 一种多分支共享流缓存加速系统,包括通过广域网进行数据交换的至少两个局域网,其中,在每个局域网的数据交换接口处设置有广域网加速缓存装置;一个局域网为服务端局域网,其余的局域网为客户端局域网;所述服务器端局域网与一个客户端局域网,通过彼此的广域网加速缓存装置进行数据流的缓存加速,其特征在于,在所述服务端局域网中还设置有缓存信息推送装置,其用于根据所述服务器端局域网的广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其它局域网的网络信息,以告知每一个局域网与其具有相同数据缓存信息的其它局域网信息,在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息,通过彼此的 A shared multi-drop flow cache acceleration system comprising at least two LAN data exchanged over the WAN, wherein a data exchange interface of each LAN has WAN acceleration buffer means; LAN is a local area network server, the remaining the local area network LAN to the client; the server a client LAN to LAN data stream cache accelerated by another cache WAN acceleration device, characterized in that the server LAN is further provided with means for pushing information cached for caching information according to the data server LAN WAN acceleration stored in the cache apparatus acquires information of all local area network having a data cache information to all the local area network to each of a push addition to its own LAN additional local area network other than its local area network to inform each other LAN with the same information data cache information, a certain information for the data buffer in between any two of the local area network LAN of all, through mutual 域网加速缓存装置进行数据流的缓存加速。 Cache area network acceleration device accelerating the cache data flow.
10. -种局域网,在所述局域网的数据交换接口处设置有广域网加速缓存装置,以进行数据流的缓存加速,其特征在于,在所述局域网中设置有缓存信息推送装置,该缓存信息推送装置根据所述广域网加速缓存装置所存储的数据缓存信息,获取具有某一个数据缓存信息的所有局域网的网络信息,从而向所述所有局域网中的每一个局域网推送除自身以外的其它局域网的网络信息,以告知每一个局域网与其具有相同数据缓存信息的其它局域网信息,在所述所有局域网中的任意两个局域网之间针对所述某一个数据缓存信息,通过彼此的广域网加速缓存装置进行数据流的缓存加速。 10. - kind of LAN, the data exchange local area network interface is provided with a WAN acceleration caching means for caching the data stream acceleration, characterized in that a push device cache information in the local area, the cache information push WAN acceleration device in accordance with the data stored in the buffer means buffering information, the network information obtaining all local area network having a data cache information to all the local area network to a LAN push each other LAN networks other than the information itself , to inform each other LAN with a LAN thereto the same information data cache information between any two of the local area network LAN for all the certain data cached information, the data stream by another cache WAN acceleration device cache acceleration.
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