CN1142659C - Shared data transmission method in computer network - Google Patents

Shared data transmission method in computer network Download PDF

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CN1142659C
CN1142659C CN 01100450 CN01100450A CN1142659C CN 1142659 C CN1142659 C CN 1142659C CN 01100450 CN01100450 CN 01100450 CN 01100450 A CN01100450 A CN 01100450A CN 1142659 C CN1142659 C CN 1142659C
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user
data
server
shared data
shared
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CN1299203A (en
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明 张
张明
戚文敏
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北京北大天正科技发展有限公司
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Abstract

本发明公开了一种计算机网络中的共享数据传递方法,该方法采用将共享数据打包上传到发送用户登记的服务器上,并分别设置需要共享该数据的接收用户的可访问权限以及向接收用户发送可接收消息,使得接收用户可以根据需要直接从发送用户登记的服务器上的存储区域中下载需要共享的数据。 The present invention discloses a method of sharing data transfer in a computer network, the method uses shared data package uploaded to the server transmits the user registration, and are set to receive a user needs to share the data may be transmitted to the receiving access rights and user may receive a message, so that the receiving user may be stored on the server requires registration area directly from the transmitting user download the shared data according to need. 这样,在各个服务器间不必转发共享数据本身,提高了共享数据的传输和存储效率,节省了网络资源,保证了数据的安全共享。 Thus, among the various servers do not forward the shared data itself, improve the efficiency of the transmission and storage of data sharing, saving network resources to ensure the security of shared data.

Description

一种计算机网络中的共享数据传递方法 A computer network shared data delivery method

本发明涉及一种计算机网络中的数据传递方法。 The present invention relates to a data transfer method for a computer network.

对于计算机网络,小到局域网,大到广域网,因特网,信息资源的安全快捷的获取已成为日益重要的一个课题。 For computer networks, to small local area network, wide area network to a large, secure Internet, quick access to information resources has become an increasingly important issue. 在基于计算机网络的共享数据的传递方法中,目前较具代表性的是电子邮件的传递方法。 In the data transfer method based on a shared computer network, the current is more representative of the e-mail delivery method. 该方法通常采用一个服务器充当通信双方的中转站,主要包括发送用户将共享数据向服务器的发送过程和接收用户将共享数据从服务器的接收过程。 The method generally uses a communication server acts as a relay station between the two sides, including the shared user data transmission process to send and receive user server process receives data from the shared server. 其中,电子邮件的发送过程一般基于SMTP(简单邮件传输协议)协议,首先对发送用户发送的电子邮件数据进行编码,然后通过SMTP服务将编码后的电子邮件数据发送到发送用户登记的服务器,由上述服务器将接收到的电子邮件数据通过SMTP服务转发到接收用户所登记的服务器,如果转发成功,则向发送用户发送成功报告;电子邮件的接收过程一般基于POP(邮局协议)协议,在该过程中,接收用户通过POP服务从其登记的服务器上下载邮件,然后对下载的邮件进行解码还原为编码前数据。 Wherein the e-mail sending process is generally based on SMTP (Simple Mail Transfer Protocol), e-mail data is first transmission sent by the user is encoded, and then transmitted to the user registration server sends via SMTP email service data encoded by It said server to forward the received email data through the SMTP server receives the user service is registered, if the forwarding is successful, the report is sent successfully to the sending user; e-mail reception process is generally based on POP (Post Office protocol), in the process , receiving the user to download the mail server from which the registered services via POP, and then download the messages before decoding the encoded data to restore.

由上述可知,首先,现有的计算机共享数据的发送和接收过程要对该共享数据进行编码和解码,当邮件较小时,编码和解码花费时间不多,但当邮件比较大时,编码和解码所花费的时间将会增长很多,浪费计算机的计算资源,同时,共享数据量较大时,浪费网络资源和存储空间;其次,在发送用户多次发送相同数据给多个接收用户时,每次都必须将数据再次传输给自己登记的服务器,浪费时间和网络资源,同时由于每个共享数据接收人的数据区中都要存储一份共享数据的副本,使得一份共享数据在网络中的存储冗余,浪费网络存储空间;第三,由于数据存储空间有限,使用户易于受恶意数据共享的攻击。 First, conventional computers to share data transmission and reception to be seen from the above data encoding and decoding the share, when the message is small, encoding and decoding takes much time, but when the message is large, encoding and decoding will increase the time it takes a lot of waste of computing resources of the computer, while the shared data is large, the waste of network resources and storage space; Secondly, the same data is transmitted multiple times to a plurality of receiving user transmits the user, each all data must be transferred again to their registration server, a waste of time and network resources, and because each share recipient must be stored in a data area shared copy of the data that is stored in a shared data network redundancy, waste of network storage space; third, due to the limited data storage space, allowing users vulnerable to malicious attacks data sharing.

针对上述现有技术的问题,本发明的目的是提供一种具有较高共享数据的传输和存储效率、较高的数据安全性、方便用户使用的共享数据传递方法。 For the above-described problems of the prior art, an object of the present invention is to provide a high efficiency of transmission and storage of shared data, high data security, facilitate sharing of data transfer methods used by the user.

为达到上述目的,本发明采用的技术方案是:一种计算机网络中的共享数据传递方法,包括共享数据的上传过程和下载过程,其中,所述共享数据的上传过程包括下述步骤:(1)发送用户对发送给接收用户的数据D进行打包得到打包后的数据D';(2)发送用户将上述步骤(1)打包后的数据D'上载到发送用户登记的服务器A;(3)发送用户或服务器A将服务器A上的数据D'的访问权限设置为需要共享该数据的接收用户可访问的权限;(4)服务器A向需要共享该数据的接收用户登记的服务器分别发送数据D'可以被相应接收用户访问的消息M;(5)判断消息M是否发送成功,如发送成功,结束本次发送操作,否则继续以下操作; To achieve the above object, the technical solution of the present invention is that: a method for transmitting shared data in a computer network, the process of uploading and downloading process including the shared data, wherein the shared data upload process comprises the steps of: (1 ) for transmitting user data transmitted to the receiving user packetizes D obtained packetized data D '; data D (2) transmits the user (1) above packing step' uploaded transmitting user registration server a; (3) transmitting user or server a data D 'on the server a access to the need to share the received user data may access authority; receiving the user registration server (4) server a to the need to share the data are transmitted data D 'may be accessed by a user respective received message M; (. 5) determines whether the message M sent successfully, as successful transmission, this transmission operation ends, otherwise, proceed as follows;

(6)判断发送消息M的次数是否已经超过指定次数N,如果超过指定次数N,转步骤(7)继续操作,否则转上述步骤(4)继续操作。 (6) determining whether the number of transmissions of the message M has exceeded the specified number N, if the specified number of times exceeds N, go to step (7) to proceed, otherwise go to step (4) to continue operation.

(7)服务器A向发送用户A发出错误报告,然后结束本次发送。 (7) Server A sends an error report to the sending user A, and then ends the transmission.

共享数据的下载过程包括如下步骤:(1)接收用户分别从其登记的服务器B接收用户A或服务器A发送的消息M;(2)接收用户根据消息M从服务器A下载发送用户A打包后的共享数据D';(3)接收用户对共享数据D'进行解包得到原数据D。 Shared data download process comprises the following steps: (1) receive the user receiving the message M A user or transmitted from server A registration Server B; (2) sent by a user A user A downloaded from the packaging server according to the message M shared data D '; (. 3) receives the shared user data D' obtained unpacks original data D.

上述消息M包括共享数据的存储位置和发送用户的相关信息。 Message M comprising the above-described position data of the shared memory and transmits information about the user.

从上述本发明采用的技术方案可知,本发明完全能够达到发明目的的理由和本发明的优点在于如下几个方面:①共享数据在传输之前不需要进行编码,而只需要打包传输,这样既节省了大量的编码时间,又不增大数据包的大小,节省了存储空间和网络传输时间;②无论共享数据的大小如何,本发明不在各个服务器间转发共享本身,而是通过向接收用户发送消息信号,接收用户根据接收到的消息 从发送用户登记的服务器A下载发送用户A打包后的共享数据D'。 Of the present invention, seen from the technical solutions employed in the present invention is to achieve full advantage of the present invention and reasons for the purpose of the present invention is characterized by the following aspects: ① shared data need not be encoded prior to transmission, the transmission and only needs to be packaged, thus saving a large amount of encoding time without increasing the size of the packet, saving storage space and transmission time of the network; ② regardless of the size of how to share data between the servers of the present invention is not shared forwarding itself, but by sending a message to the receiving user signal, according to a user receiving the registration message received from the transmission subscriber server transmits shared data D a to download the user a package '. 由于消息信号很短,可以大大提高转发效率。 Since the message signal is very short, can greatly improve the forwarding efficiency. 因此,使用本发明传递网络共享数据可以节省网络存储空间和网络传输时间;③本发明在访问控制上,由发送用户或其登记的服务器设置每个已上传共享数据的接收用户的访问权限,使接收用户直接从发送用户在发送服务器上的存储区域中下载共享数据。 Accordingly, the present invention is the use of a data transmission network can save network shared storage space and network transmission time; ③ the invention in access control, access is provided to each of the received shared data uploaded by the user or the user registration server transmits the download the shared data received from the transmitting user directly on the transmission storage area in the server. 并且,接收用户只能接收发送用户授权操作的那部分数据。 Further, the receiving portion of the data can only receive the user transmits the user authorization operation. 这样,在多次发送相同的网络数据时,发送用户只需要在服务器上设置共享数据的各个接收用户的访问权限,并发送消息,整个过程比重新传输共享数据本身要快的多。 Thus, when multiple transmissions of the same data network, the user only needs to send the server provided on the respective receiving user access shared data, and sends the message, to retransmit the entire process than the shared data itself much faster. 而且,由于接收用户可以在需要时直接到发送用户的存储区域中下载共享数据,避免了同一共享数据在网络中的存储冗余。 Further, since the receiving user can transmit directly to the storage area when the user's need to download the shared data, to avoid the same shared data storage redundancy in the network. 因此,使用本发明传递网络共享数据可以提高数据在网络中的传输和存储效率,节省网络资源,并且在使用上也更为方便快捷。 Accordingly, the present invention can improve the data transfer network sharing and transmission efficiency of data stored in the network, saving network resources, and also in the more convenient to use.

④由于发送用户是将共享数据存储在服务器上自己的存储区域中,未授权用户无法通过发送大量的垃圾数据将接收用户在服务器上的存储区域填满。 ④ Since a user is shared data stored in its own storage area on the server, unauthorized users can not receive the user fills in a storage area on the server by sending large amounts of junk data. 这种信息资源共享方式和数据传递机制,可以有效地避免恶意的垃圾数据占满服务器空间,保证了共享数据的安全和有效传递。 This information resource sharing and data transfer mechanism, can effectively prevent malicious server space filled garbage data, to ensure the safe and effective delivery of shared data.

下面结合附图和实施例对本发明作进一步的说明。 The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

图1是本发明的共享数据上传过程流程图;图2是本发明的应用环境示意图;图3是本发明的共享数据下载过程流程图。 FIG 1 is a shared data upload process flowchart of the present invention; FIG. 2 is a schematic view of the application environment of the invention; FIG. 3 is shared according to the present invention is a process flow diagram of the data download.

在具体实施本发明时,应当作以下准备工作:在服务器端,系统管理员预先进行相关的设置。 In a specific embodiment of the present invention, the following preparations should be: the server, the system administrator in advance related settings. 如安装系统软件及服务器端软件并为注册用户准备好磁盘空间,用户注册程序等等。 Such as installing system software and server-side software and ready for disk space, user registration procedures, etc. registered users. 用户登录服务器,输入相关的注册信息,注册程序将自动为用户生成一个帐号,并同时在服务器磁盘上为用户划分一定大小的空间,把这部分空间的读写权限赋予该用户。 User login server, enter the relevant registration information, the registration process will automatically generate a user account, and at the same time users into a certain amount of space on the server disk, read and write permissions to this part of the space is given to the user. 注册成功后,用户对自己在服务器上的这部分磁盘将拥有完全的所有权,就好像用户个人计算机上磁盘的一个虚拟的“镜像”,用户可依不同的需要在这部分磁盘空间上建立若干共享目录,对各目录分别设置不同的共享权限,以便让不同级别的其他用户可以共享到应得到的信息。 After successful registration, the user himself in this part of the disk on the server will have full ownership, just like a virtual "mirror" on the user's personal computer disk, according to different user needs to establish a number of shared disk space on this section directory, set different permissions for each shared directory so that other users can share the different levels of information to be obtained.

本发明可以应用于各种计算机网络,如局域网、Internet网等。 The present invention is applicable to various computer networks, such as LAN, Internet network. 下面以本发明应用于Internet网为例对本发明进行阐述,本发明应用于其它计算机网络与应用于Internet网的情况类似。 In the following the present invention is applied to the Internet network are set forth as an example of the present invention, the present invention is applicable to other computer networks and the like is applied to the Internet network. 参考图2。 2 with reference to FIG. 假设Internet网上有三个任意的服务器A、B和C,任一用户a登记在服务器A,任一用户b登记在服务器B,任一用户c登记在服务器C,其中用户a、b和c上均安装有依据本发明编制的客户端软件。 Suppose on Internet three arbitrary servers A, B and C, any one of a user A registered in the server A, any user b registered in the server B, any user c registered in the server C, where the users a, b and c are installed client software prepared by the present invention. 当用户a欲向用户b和c发送共享数据时,按照下述步骤发送:参考图1。 When the user transmits a shared data to the user to be b, and c, in accordance with the steps of sending: 1 with reference to FIG. 在步骤11,发送用户对发送给接收用户的数据D进行打包得到打包后的数据D';在步骤12,发送用户将上述步骤11打包后的数据D'上载到发送用户登记的服务器A;在步骤13,发送用户或服务器A将服务器A上的数据D'的访问权限设置为需要共享该数据的接收用户b和c可访问的权限;在步骤14,服务器A向需要共享该数据的接收用户b和c登记的服务器B和C分别发送数据D'可以被相应接收用户b和c访问的消息M;在步骤15,判断消息M是否发送成功,如发送成功,结束本次发送操作,否则继续以下操作;在步骤16,判断发送消息M的次数是否已经超过指定次数N,如果超过指定次数N,转步骤17继续操作,否则转上述步骤14继续操作;在步骤17,服务器A向发送用户A发出错误报告,然后结束本次发送。 In step 11, the transmission of the user data transmitted to the receiving user packetizes D obtained packetized data D '; D data after step 12, the user transmits the above-described step package 11' transmits the user registration server to upload A; in receiving user b and permissions step 13, the sending user or server a data D 'on the server a access to the need to share the data c accessible; at step 14, the server a to the need to share the received user of the data b and c registration servers B and C respectively transmit data D 'may be the respective receiving user b, and c access message M; at step 15, it is determined whether the message M sent successfully, such as the transmission is successful, the end of this transmission operation, otherwise continue the following operation; in step 16, it is determined whether the number of transmissions of the message M has exceeded the specified number N, if the specified number of times exceeds N, go to step 17 to continue, otherwise go to the step ST14 to continue the operation; at step 17, server a sends user a An error is reported, then the end of this transmission.

上述指定次数N根据经验获得,例如N等于10,一般来说,只有在连续N次均未发送成功时,才能证明传输链路有传输故障,此时应向发送用户发送错误报告。 The designated number of times N obtained empirically, for example, N is equal to 10, generally, only when N times were not successfully transmitted to the transmission link has a transmission failure proof, this time transmitting user should send an error report.

共享数据接收用户b和c执行以下步骤接收共享数据,参考图3:在步骤21,接收用户b和c分别从其登记的服务器B和C接收用户A或服务器A发送的消息M;在步骤22,接收用户b和c根据消息M从服务器A下载发送用户A打包后的共享数据D';在步骤23,接收用户b和c对共享数据D'进行解包得到原数据D。 Receiving user shared data b and c perform the steps of receiving the shared data, with reference to FIG. 3: In step 21, b and c, respectively receiving the user A or the user receiving the message transmitted from the M server A registration server B, and C; at step 22 receiving user messages transmitted in accordance with b and c M server a downloaded from the shared user a packed data D '; at step 23, the user receives the shared data b and c D' obtained unpacks original data D.

当然,上述用户b和c接到消息M后是否从服务器A下载发送用户A打包后的共享数据D'完全根据自己的需要自主决定。 Of course, if said user b and c transmit the shared user data D A A package downloaded from the server after receiving the message M 'decision completely customize according to their needs.

在上述本发明的实施过程中,本发明将服务器上的用户空间虚拟为用户计算机磁盘空间的一部分。 In the process embodiment of the present invention, the present invention is a user space on the user's computer as part of the virtual server disk space. 这样,在两个彼此离线通信的用户看来,从对方在服务器上的共享空间上下载数据与点对点地直接从对方计算机上下载数据没有本质上的区别,双方虚拟地“同时在线”。 In this way, two users communicate with each other off-line view, and download data from point to point on the other side shared space on a server to download data directly from a computer on the other side there is no essential difference, the two sides virtually "while online." 尤其值得说明的是,本发明所述的方法,在各个服务器之间传输的是消息M,而不是传输共享数据D'本身,这样在网络中的各个服务器上,只存储有共享数据的一个副本,需要这部分共享资源的各个用户,经共享方授权,通过网络下载同一个副本。 It should be noted in particular that the method of the present invention, the transmission between the respective server message M, with instead of transmitting the shared data D 'itself, so that each server on the network, stores only one copy of shared data need this part of the individual users of shared resources, shared by the party authorized by the network to download a copy of the same. 这样,在各个服务器间就不必转发数据本身,避免了同一份共享数据在网络中的多次存储及恶意的垃圾数据占满服务器空间,提高了共享数据的传输和存储效率,节省了宝贵的网络资源,保证了在网络上信息资源的安全共享和有效的传递。 Thus, among the various servers do not have to forward the data itself, avoiding junk data with a single, shared storage times and malicious data in the network server occupies the space and improve the efficiency of the transmission and storage of data sharing, saving valuable network resources to ensure the safe and effective sharing of information resources on the network transfer. 因此,本发明在实际应用中具有现实意义。 Accordingly, the present invention has practical significance in practical applications. 通过在PIIIS00,128M内存,100M交换局域网的环境中对本发明和现有技术的共享数据传递方法发送容量为40M的邮件进行比较,结果参考下表: By PIIIS00,128M memory, 100M switched LAN environment shared data transfer method of the present invention and the prior art mail transmission capacity of 40M were compared, with reference to the following table:

可见,使用本发明在计算机网络中进行共享数据的传递,能提高共享的传输和存储效率、节省网络资源。 It is seen, the present invention is used for transmitting data sharing in a computer network, and can improve the transmission efficiency of the shared storage, saving network resources.

Claims (2)

1.一种计算机网络中的共享数据传递方法,包括共享数据的上传过程和下载过程,其特征在于:所述共享数据的上传过程包括下述步骤:(1)发送用户对发送给接收用户的数据D进行打包得到打包后的数据D';(2)发送用户将上述步骤(1)打包后的数据D'上载到发送用户登记的服务器A;(3)发送用户或服务器A将服务器A上的数据D'的访问权限设置为需要共享该数据的接收用户可访问的权限;(4)服务器A向需要共享该数据的接收用户登记的服务器分别发送数据D'可以被相应接收用户访问的消息M;(5)判断消息M是否发送成功,如发送成功,结束本次发送操作,否则继续以下操作;(6)判断发送消息M的次数是否已经超过指定次数N,如果超过指定次数N,转步骤(7)继续操作,否则转上述步骤(4)继续操作。 1. A method of transmitting shared data in a computer network, the process comprising uploading and downloading data sharing process, which is characterized in that: said shared data upload process comprising the steps of: (a) transmitting user to a receiving user's transmission packed data D obtained packetized data D '; (2) transmits the user in the above step (1) packetized data D' transmitted uploaded to the user registration server a; (3) a user or server transmits server a data D 'permission to access to the need to share the received data accessible to the user; receiving the user registration server (4) server a shared data to the need to send each data D' can be accessed by a respective received user message M; (. 5) determines whether the message M sent successfully, such as the transmission is successful, the end of this transmission, otherwise proceed as follows; whether the number (6) is determined to send a message M has exceeded a specified number N, if the specified number of times exceeds N, rpm step (7) to proceed, otherwise go to step (4) to continue operation. (7)服务器A向发送用户A发出错误报告,然后结束本次发送。 (7) Server A sends an error report to the sending user A, and then ends the transmission. 共享数据的下载过程包括如下步骤:(1)接收用户分别从其登记的服务器B接收用户A或服务器A发送的消息M;(2)接收用户根据消息M从服务器A下载发送用户A打包后的共享数据D';(3)接收用户对共享数据D'进行解包得到原数据D。 Shared data download process comprises the following steps: (1) receive the user receiving the message M A user or transmitted from server A registration Server B; (2) sent by a user A user A downloaded from the packaging server according to the message M shared data D '; (. 3) receives the shared user data D' obtained unpacks original data D.
2.根据权利要求1所述的计算机网络中的共享数据传递方法,其特征在于:消息M包括共享数据的存储位置和发送用户的相关信息。 2. The method of transmitting the shared data according to a computer network in accordance with claim 1, wherein: a message M includes information about the storage location of the shared data and the sending user.
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