CN101207617A - Method for data transmission of network storing system - Google Patents
Method for data transmission of network storing system Download PDFInfo
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- CN101207617A CN101207617A CNA2006101707903A CN200610170790A CN101207617A CN 101207617 A CN101207617 A CN 101207617A CN A2006101707903 A CNA2006101707903 A CN A2006101707903A CN 200610170790 A CN200610170790 A CN 200610170790A CN 101207617 A CN101207617 A CN 101207617A
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Abstract
The invention relates to a data transmission method of a network storage system, which is used to establish a stable data transmission link and transmit data between a client side and a server side in a network storage system which has the client side and the server side through a private communication protocol. The method mainly comprises the following steps: the private communication protocol is setup respectively at the client side and the server side. The client side searches for the server side by broadcasting and establishes a data transmission link with the server side. Relevant data is transmitted between the client side and the server side with the private communication protocol.
Description
Technical field
The present invention relates to a kind of data transmission method of network storing system, relate in particular to and a kind ofly in network storing system, between client and server end, set up the method that transfer of data connects the line data transmission of going forward side by side by privately owned communications protocol with client and server end.
Background technology
At present, network storing system has widely in computer realm to be used, and particularly in today that network transmission speed rapidly promotes, along with the appearance of gigabit networking, the restriction of network transmission speed in the past no longer has been the bottleneck that improves system running speed.Network storing system have save cost, dispose simple, easy to maintenance, can be according to plurality of advantages such as the quick switched system of actual needs, each virtual disk do not disturb when using mutually.Increasing network storing system even developed towards the direction of no dishization, for example: knife edge type server (Blade Server) system, high-effect calculating (High Performance Computing, abbreviation HPC) group system etc.
In the prior art, effectively realized in order to make network storing system, a critical problem of required solution is high efficiency and the reliability of how guaranteeing the virtual disk transfer of data because usually to the visit of virtual disk data have sudden height, problem such as big, some accessing operation longer duration of volume of transmitted data in the unit interval.
In order to adapt to the characteristics of the network environment that network storing system moved in the prior art, simultaneously, the specific demand that stores with thorough realization virtual disk for existing problem in the network storing system that effectively solves above-mentioned prior art, therefore, demand providing a kind of data transmission method of new network storing system urgently.
Summary of the invention
In order to solve above-mentioned the problems of the prior art, the object of the present invention is to provide a kind of data transmission method of network storing system, connect the line data transmission of going forward side by side in order in network storing system, between client and server end, to set up transfer of data by privately owned communications protocol with client and server end.
The data transmission method of a kind of network storing system provided by the present invention comprises following steps:
In client and server end a privately owned communications protocol is set respectively in advance; Client is sought server end by the mode of broadcasting, server end is answered after receiving broadcast message, and Internet Protocol (IP) address of server end returned to client, client sends connection request according to the IP address of the server end that obtains to server end; Server end is answered after receiving connection request, when client receive that server end returns show the answer of agreeing to connect after, be connected in formally setting up a transfer of data between client and the server end; And reception and the transmission of between client and server end, carrying out related data by privately owned communications protocol.
In addition, the data transmission method of a kind of network storing system provided by the present invention, also comprise when client or server end need the turn-off data transmission to connect, disconnect a side who connects by needs and send one and disconnect and connect interruption transfer of data step of connecting behind the announcement information.
In addition, client carries out further comprising in the process that data send following steps in the data transmission method of a kind of network storing system provided by the present invention:
Client is packet to be sent, and sends one group of data according to order; Client is by calling the Data Receiving response of network device interface reception server end, and judge whether server end has response to arrive, having response to arrive then proves the operation success that data send, then continue to send next group data and all send success, otherwise enter the state of wait-for-response until remaining data; During wait-for-response, whether the client real-time judge has response to return, have response to return then to wait pending data transmission process to be waken up follow-up supervention and give next group data all to send success, otherwise the Data Receiving that continues the waiting for server end responds and judges that whether the wait-for-response time is more than or equal to a scheduled duration until remaining data; If the wait-for-response time, is then continued the Data Receiving response of waiting for server end less than scheduled duration; And if the wait-for-response time more than or equal to scheduled duration, then client is prepared to resend these group data and whether is prejudged the data re-transmitting number of times greater than a predefined maximum number of retransmissions, if then send the information of data transmit operation failure greater than maximum number of retransmissions, then end data sends process, if then resend this group data smaller or equal to maximum number of retransmissions.
Moreover server end carries out also further comprising in the process of Data Receiving and transmission following steps in the data transmission method of a kind of network storing system provided by the present invention:
Initiation variable and structure are registered privately owned communications protocol and are bound network interface card; Judged whether that data need to send, if having data to send then after carrying out packet according to the length of data to be sent, according to order of packets one by one data set send, be sent completely until total data; If do not have data to send then judged whether that data need to receive, if having data to receive then server end carries out corresponding Data Receiving and processing by privately owned communications protocol according to the type that receives data; And when server end both free of data need send that also free of data need receive, whether the data sending and receiving process of judging server end needs to finish, finish if desired, then send to disconnect and connect announcement information to client, and release network interface card, then nullify privately owned communications protocol and end data sending and receiving process, otherwise continue to carry out data sending and receiving process.
In sum, the advantage of the data transmission method of a kind of network storing system of the present invention is:
1, the method for the present invention big data quantity that is suitable for network disk is handled up;
2, this method can be carried out the overtime transmission again of data under the situation of data packet loss;
3, can treat data packets for transmission in the privately owned communications protocol that the inventive method adopted and control effectively, thereby data corruption can not take place;
4, in the method for the present invention, when sending data failure, data are retransmitted control flexibly, retry sends for a long time, has kept operating continuity.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the holistic approach flow chart of the data transmission method of a kind of network storing system of the present invention;
Fig. 2 carries out the method flow diagram that data send for client in the method for the present invention;
The method flow diagram that Fig. 3 carries out Data Receiving and transmission for server end in the method for the present invention; And
The method flow diagram that Fig. 4 carries out corresponding Data Receiving and processing by privately owned communications protocol according to the type that receives data for server end in the inventive method.
Wherein, Reference numeral
Whether step 208 judgment data retransmits number of times greater than a maximum number of retransmissions
Step 300 Initiation variable and structure are registered privately owned communications protocol and are bound network interface card
Step 301 has judged whether that data need to send
Step 302 is carried out packet according to the length of data to be sent
Step 303 by order of packets one by one data set send until these data and all be sent completely
Step 304 has judged whether that data need to receive
Step 305 is carried out corresponding Data Receiving and processing according to the type that receives data
Whether step 306 judgment data sending and receiving process needs to finish
Step 307 sends to disconnect and connects announcement information, discharges network interface card and nullifies privately owned communications protocol
Step 3051 judges whether to receive the server search request of client transmission
Step 3052 sends an answer that comprises the IP address of server end
Step 3053 judges whether to receive the client registers information of client transmission
Step 3054 sends the answer of this client of registration
Step 3055 judges whether to receive that the disconnection that client sends connects announcement information
Step 3056 is nullified clients corresponding
Step 3057 judges whether to receive the data in magnetic disk of client transmission
Step 3058 sends the answer that data receive
Step 3059 judges whether to receive the answer of the reception data that client sends
Embodiment
Below, will elaborate to better embodiment of the present invention in conjunction with the accompanying drawings.
Please refer to Fig. 1, this figure is the holistic approach flow chart of the data transmission method of a kind of network storing system of the present invention, and as shown in the figure, the transmission side data genealogy of law of a kind of network storing system of the present invention comprises following steps:
In client and server end a privately owned communications protocol is set respectively in advance, to guarantee the correct parsing (step 100) of client and server end to the packets of information of privately owned communications protocol, wherein, the executive process of privately owned communications protocol can be divided into connection, data transmit-receive, disconnection connection three phases substantially, can stipulate again that wherein a side who initiates to connect is client, an other side is a server end, and its concrete operations step sees also the description of following steps;
Client is sought server end (step 101) by the mode of broadcasting;
Server end is answered after receiving broadcast message, and Internet Protocol (IP) address of server end is returned to client (step 102);
Client sends connection request (step 103) according to the IP address of the server end that obtains to server end;
Server end is answered (step 104) after receiving connection request;
When client receive that server end returns show the answer of agreeing to connect after, be connected (step 105) in formally setting up a transfer of data between client and the server end;
Between client and server end, carry out the reception and the transmission (step 106) of related data by privately owned communications protocol; And
When client or server end need the turn-off data transmission to connect, disconnect a side who connects by needs and send one and disconnect and interrupt transfer of data connection (step 107) after connecting announcement information.
Please refer to Fig. 2 now, this figure is that client is carried out the method flow diagram that data send in the method for the present invention, and as shown in the figure, client carries out further comprising in the process that data send following steps in the inventive method:
Client is initiatively initiated the data connection request to server end under the situation that has data to send, and in transfer of data connect set up after, client is with packet (step 200) to be sent, and according to sending one group of data (step 201) in proper order;
Client is by calling the Data Receiving response (step 202) of network device interface reception server end, and judge whether server end has response to arrive (step 203), proof sends this operation of organizing data success to have response to arrive then, then judge whether the remaining data group (step 204) that is still waiting to send, if have then return step 201, all send success to continue sending next group data until remaining data, if do not have remaining data group to be sent then end data transmission process, if there is not the state (step 205) that response arrival then enters wait-for-response;
During wait-for-response, whether the client real-time judge has response to return (step 206), have response to return and return step 204 after then waiting pending data transmission process to be waken up, otherwise the Data Receiving that continues the waiting for server end responds and judges that whether the wait-for-response time is more than or equal to a scheduled duration (step 207);
If the wait-for-response time, is then returned step 205 less than this scheduled duration to continue the Data Receiving response of waiting for server end; And
If the wait-for-response time is more than or equal to scheduled duration, then client is prepared to resend these group data and whether is prejudged this data re-transmitting number of times greater than a predefined maximum number of retransmissions (step 208), if greater than maximum number of retransmissions then the decidable network data transmission break down, and send the information (step 209) of data transmit operation failure, then end data sends process, if then resend this group data (step 210) smaller or equal to maximum number of retransmissions, then return step 202.
Then, please refer to Fig. 3, this figure is the method flow diagram that server end carries out Data Receiving and transmission in the method for the present invention, and as shown in the figure, server end carries out further comprising in the process of Data Receiving and transmission following steps in the inventive method:
Initiation variable and structure are provided with privately owned communications protocol and bind network interface card (step 300);
Judged whether that data need to send (step 301), if have data to send then enter the data sending processing flow process, because disk I/O (Input/Output, abbreviation I/O) data volume is generally bigger, so at first will carry out packet (step 302) according to the data length of processing to be sent, again according to order of packets one by one data set send, data after this is grouped all are sent completely (step 303), return step 301 then, wherein carry out packet and directly data to be sent are cut apart by fixed value according to the maximum length principle according to the length of data to be sent;
If do not have data to send then judged whether that data need to receive (step 304), if have data to receive then server end carries out corresponding Data Receiving and processing (step 305) by privately owned communications protocol according to the type that receives data, after treating corresponding Data Receiving and finishing dealing with, return step 301; And
When server end both free of data need send that also free of data need receive, whether the data sending and receiving process of judging server end needs to finish (step 306), finish if desired, then send to disconnect and connect announcement information to client, discharge network interface card and nullify privately owned communications protocol (step 307), the process of end data sending and receiving then, otherwise return step 301, to continue to carry out corresponding data sending and receiving process.
At last, please refer to Fig. 4, this figure has represented the method flow diagram that server end carries out corresponding Data Receiving and processing by privately owned communications protocol according to the type that receives data in the inventive method, as shown in the figure, further comprise following steps in the above-mentioned steps 305 (being the step that server end carries out corresponding Data Receiving and processing by privately owned communications protocol according to the type that receives data):
Judge whether to receive the server search request (step 3051) of client transmission, receive the server search request of client transmission when server end after, send an answer (step 3052) that comprises the IP address of server end to client, then return step 301, otherwise execution in step 3053;
Judge whether to receive the client registers information (step 3053) of client transmission, receive the client registers information of client transmission when server end after, send an answer (step 3054) of registering this client to client, then return step 301, otherwise execution in step 3055;
Judge whether to receive that the disconnection that client sends connects announcement information (step 3055), receive the disconnection connection announcement information of client transmission when server end after, nullify clients corresponding (step 3056), then return step 301, otherwise execution in step 3057;
Judge whether to receive the data in magnetic disk (step 3057) that client sends, after server end receives the data in magnetic disk that client sends, send the answer (step 3058) that data receive, then return step 301 to client, otherwise execution in step 3059;
Judge whether to receive the answer (step 3059) of the reception data that client sends, receive the answer of the reception data that client sends when server end after, carry out above-mentioned step 303, otherwise return step 301.
In sum, the privately owned communications protocol that data transmission method adopted of a kind of network storing system of the present invention is not carried out more level and is divided, do the forwarding and the corresponding data encapsulation/dissection process of having removed between each layer like this, obtained the higher data throughput efficiency to a certain extent.Simultaneously simple data sending and receiving logical relation has reduced influencing each other of control flow aspect, makes network data transmission more convenient, safe, reliable.
In addition, can enter the wait state that receives response immediately after attempting in the method for the present invention receiving the response failure, this compares with the mode of poll and has reduced the quantity that existing communications protocol program takies the processor timeslice greatly.When response message arrived, data sent process and are waken up immediately, and privately owned communications protocol program can be made a response with the fastest speed to sent data, has reduced unnecessary waiting time.If Network Transmission goes wrong and never receives response message, client can resend one group of data after overtime, until reaching maximum number of retransmissions, this maximum number of retransmissions can be set as required flexibly, thereby can realize that the ultra-long time retry sends, kept the continuation of operation, can also proceed in case network state is recovered normal associative operation.
With existing iSCSI (Small Computer Systems Interface, small computer system interface) application of network communication protocol is compared, existing standard network communications protocol disconnects more than 60 seconds restore data at network again and loosens and promptly declare operation failure, and utilize the privately owned communications protocol in the inventive method can adjust stand-by period and data re-transmitting number of times as required, its retry transmitting time can be far longer than existing standard network communications protocol, thereby makes the anti-network interferences ability of virtual disk store-service become very strong.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (9)
1. the data transmission method of a network storing system, connect the line data transmission of going forward side by side in order in network storing system, between this client and this server end, to set up transfer of data by a privately owned communications protocol with client and server end, it is characterized in that the method includes the steps of:
In this client and this server end one privately owned communications protocol is set respectively in advance;
This client is sought this server end by the mode of broadcasting, and after obtaining the Internet Protocol IP address that this server end returns, sends connection request to this server end;
This server end is answered after receiving this connection request, and when this client receive that this server end returns show the answer of agreeing to connect after, be connected in formally setting up a transfer of data between this client and this server end; And
Between this client and this server end, carry out the reception and the transmission of related data by this privately owned communications protocol.
2. the data transmission method of network storing system according to claim 1 is characterized in that, also comprises following steps:
When this client or this server end need disconnect this transfer of data and connect, disconnect a side who connects by needs and send one and disconnect and interrupt this transfer of data connection after connecting announcement information.
3. the data transmission method of network storing system according to claim 2 is characterized in that, this client carries out further comprising in the process that data send following steps:
This client is packet to be sent, and sends one group of data according to order;
This client receives the Data Receiving response of this server end by calling network device interface, and judge whether this server end has response to arrive, there is response to arrive next group data of then continuation transmission and all sends success, otherwise enter the state of wait-for-response until remaining data;
During wait-for-response, whether this client real-time judge has response to return, there is response to return and waits for that then this data transmission process is waken up follow-up supervention and gives next group data all to send success until this remaining data, otherwise continue to wait for the Data Receiving response of this server end and judge that whether the wait-for-response time is more than or equal to a scheduled duration;
If this waits for the response time less than this scheduled duration, then continue to wait for the Data Receiving response of this server end; And
If this waits for that the response time is more than or equal to this scheduled duration, then this client is prepared to resend these group data and whether prejudge this data re-transmitting number of times greater than a predefined maximum number of retransmissions, if then send the information of data transmit operation failure greater than this maximum number of retransmissions, then finish these data and send process, if then resend this group data smaller or equal to this maximum number of retransmissions.
4. the data transmission method of network storing system according to claim 2 is characterized in that, this server end carries out further comprising in the process of Data Receiving and transmission following steps:
Initiation variable and structure are registered this privately owned communications protocol and are bound network interface card;
Judged whether that data need to send, if having data to send then after carrying out packet according to the length of these data to be sent, according to this order of packets one by one data set send, be sent completely until total data;
If do not have data to send then judged whether that data need to receive, if having data to receive then this server end carries out corresponding Data Receiving and processing by this privately owned communications protocol according to the type that receives data; And
When this server end both free of data need send that also free of data need receive, whether the data sending and receiving process of judging this server end needs to finish, finish if desired, then send this disconnection and connect announcement information to this client, and discharge this network interface card, then nullify this privately owned communications protocol and end data sending and receiving process, otherwise continue to carry out this data sending and receiving process.
5. the data transmission method of network storing system according to claim 4 is characterized in that, carries out packet according to the length of these data to be sent and directly these data to be sent is cut apart by fixed value according to the maximum length principle.
6. the data transmission method of network storing system according to claim 4 is characterized in that, this server end carries out further comprising in the step of corresponding Data Receiving and processing following steps according to the type that receives data by this privately owned communications protocol:
Receive the server search request of this client transmission when this server end after, comprise the answer of the IP address of this server end to this client transmission one.
7. the data transmission method of network storing system according to claim 4 is characterized in that, this server end carries out further comprising in the step of corresponding Data Receiving and processing following steps according to the type that receives data by this privately owned communications protocol:
Receive the client registers information of this client transmission when this server end after, send the answer of this client of registration to this client.
8. the data transmission method of network storing system according to claim 4 is characterized in that, this server end carries out further comprising in the step of corresponding Data Receiving and processing following steps according to the type that receives data by this privately owned communications protocol:
Receive the disconnection connection announcement information of this client transmission when this server end after, nullify this client.
9. the data transmission method of network storing system according to claim 4 is characterized in that, this server end carries out further comprising in the step of corresponding Data Receiving and processing following steps according to the type that receives data by this privately owned communications protocol:
Receive the data in magnetic disk of this client transmission when this server end after, send the answer of a Data Receiving to this client.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101707903A CN101207617A (en) | 2006-12-22 | 2006-12-22 | Method for data transmission of network storing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101707903A CN101207617A (en) | 2006-12-22 | 2006-12-22 | Method for data transmission of network storing system |
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| CN101207617A true CN101207617A (en) | 2008-06-25 |
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| CNA2006101707903A Pending CN101207617A (en) | 2006-12-22 | 2006-12-22 | Method for data transmission of network storing system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717894A (en) * | 2015-12-31 | 2016-06-29 | 福建睿能科技股份有限公司 | Communication method for managing weaving equipment, and weaving equipment |
| CN106658353A (en) * | 2016-09-14 | 2017-05-10 | 广东欧珀移动通信有限公司 | Data migration method and mobile equipment |
| CN107196959A (en) * | 2017-06-21 | 2017-09-22 | 珠海信达九州科技有限公司 | A kind of method that instant communication client finds server address |
| CN108390953A (en) * | 2018-03-23 | 2018-08-10 | 新华三技术有限公司 | A kind of server discovery method and device |
| CN108847935A (en) * | 2018-07-03 | 2018-11-20 | 广州市河东智能科技有限公司 | Data transmission method for uplink |
| CN109560900A (en) * | 2017-09-27 | 2019-04-02 | 阿里巴巴集团控股有限公司 | Data transmission method for uplink and device |
| CN115022413A (en) * | 2022-06-27 | 2022-09-06 | 四川摩比斯智能物联科技有限公司 | Internet of things communication protocol construction and interaction method and device |
-
2006
- 2006-12-22 CN CNA2006101707903A patent/CN101207617A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717894A (en) * | 2015-12-31 | 2016-06-29 | 福建睿能科技股份有限公司 | Communication method for managing weaving equipment, and weaving equipment |
| CN106658353A (en) * | 2016-09-14 | 2017-05-10 | 广东欧珀移动通信有限公司 | Data migration method and mobile equipment |
| CN107196959A (en) * | 2017-06-21 | 2017-09-22 | 珠海信达九州科技有限公司 | A kind of method that instant communication client finds server address |
| CN109560900A (en) * | 2017-09-27 | 2019-04-02 | 阿里巴巴集团控股有限公司 | Data transmission method for uplink and device |
| CN108390953A (en) * | 2018-03-23 | 2018-08-10 | 新华三技术有限公司 | A kind of server discovery method and device |
| CN108390953B (en) * | 2018-03-23 | 2021-02-26 | 新华三技术有限公司 | Server discovery method and device |
| CN108847935A (en) * | 2018-07-03 | 2018-11-20 | 广州市河东智能科技有限公司 | Data transmission method for uplink |
| CN115022413A (en) * | 2022-06-27 | 2022-09-06 | 四川摩比斯智能物联科技有限公司 | Internet of things communication protocol construction and interaction method and device |
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Open date: 20080625 |