CN101132395B - Method and system for implementing data synchronization between servers - Google Patents
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- CN101132395B CN101132395B CN2006101261201A CN200610126120A CN101132395B CN 101132395 B CN101132395 B CN 101132395B CN 2006101261201 A CN2006101261201 A CN 2006101261201A CN 200610126120 A CN200610126120 A CN 200610126120A CN 101132395 B CN101132395 B CN 101132395B
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Abstract
This invention provides a method and a system for synchronizing data between servers, which connects the client end of a first server, the first server and a second server by TCP/IP to realize synchronization between the two servers, and the first server and its client end have buffer zones each to buffer-store data to reduce pressure when clients access the second server.
Description
Technical field
The present invention relates to the computer technology between server, relate to a kind of method and system that realize the data sync between the server particularly.
Background technology
Along with extensively popularizing of network, the e-commerce system development of platform Network Based rapidly, for example, on this internet trade market, Alibaba website of Alibaba Co, existing more than 1,000 ten thousand members, effectively the business opportunity number is nearly more than 600 ten thousand.Though ecommerce has brought convenience with rapid to us, yet, carry out the business negotiation on the net, also can there be variety of problems.For example, when consulting under the businessman is online, generally can exchange visiting cards, help like this to understand mutually and the relation of breaking the wall of mistrust.But when concluding the business,, often do not understand the other side's identifying data on the net owing to be to be in the strange land, can't as online negotiation down, have authenticity, credibility, therefore, if the instant negotiation instrument by general e-commerce system just can not be set up good commercial negotiation atmosphere on the net.
In order to eliminate this unfavorable factor of online transaction negotiation, build the commercial atmosphere of negotiation under the line as much as possible, can show mutually that business card separately is a very important mode.And under the calcaneus rete mode different be, data separately is provided still is not enough to light on the net, takes place for fear of fraud, also needs to provide separately credit index, credit file, but also need be to the other side's displaying supply-demand information separately, as the very important reference of online business negotiation.So, personal information, company information, credit index and archives, the supply-demand information etc. that add the member of e-commerce system will be made electronic business card, in the dialog box of e-commerce system, show, just as showing separately business card under the line during business meeting.
Yet in the trading market, client's number is numerous on the net, and the business information amount is huge, so daily tracking from online client and business, becomes the key factor that can internet trade be reached.Follow the tracks of numerous client for convenience, for example, Alibaba Co provides the instant communicating system of a kind of being called " trade is logical ", the function of customer relation management that it is integrated, can carry out omnidistance Service tracing to the client by the customer relation management function.In this instant communicating system, for convenience the user uses, checks, is provided with the main inlet of client's grade, service condition, business process etc., and is embodied in the electronic business card of the dialog box of this instant communicating system.
Above-mentioned instant communicating system and Alibaba website are two cover systems, and the partial data of instant communication system user is to be stored in the database server of Alibaba website, if adopt simple webpage mode to make up individual's electronic business card, can bring two problems:
(1) since the user to use instant communicating system to consult very frequent, millions of users may open a lot of negotiation windows simultaneously, all to remove to read business card data, like this, the speed of obtaining electronic business card will be very slow, not only influence user experience, even can influence the stability of Alibaba's web station system.
(2) if above-mentioned electronic business card information cache is buffered in client again in the internal memory of server end or after reading client, though can improve reading speed greatly, if but adopt the method for this server end and client-cache, because every information of client all can often change, if it is carried out buffer memory, then information may lag behind and lack real-time.
Summary of the invention
The present invention aims to provide a kind of stability of a system that can either guarantee and can guarantee the method and system of the data sync between the realization server of real-time property again in view of the above problems.
The method of the data sync between the realization server of the present invention, it is characterized in that, connect client, first server and the second server of first server and in order between described first server and described second server, to realize data sync by TCP/I P, and, client at described first server possesses first buffer area, possess second buffer area at described first server, wherein, this method comprises following step successively:
(a) user is to the client-requested specified data of described first server;
(b) client of described first server is judged the specified data that whether has request in described first buffer area;
(c) if in described first buffer area, exist this specified data and this specified data not to exceed schedule time, then proceed to step (h) at the cache-time of described first buffer area; If do not exist the cache-time of this specified data or this specified data to exceed schedule time, then submit the request that is used to obtain this specified data to described first server at described first buffer area;
(d) described first server receive from the client of described first server be used to obtain the request of this specified data after, judge in described second buffer area, whether have this specified data;
(e) if in described second buffer area, there is this specified data, then this specified data returned to the client of described first server and proceed to step (h); If in described second buffer area, do not have this specified data, then submit the request that is used to obtain this specified data to described second server;
(f) described second server receive from described first server be used to obtain the request of this specified data after, inquire about this specified data and this specified data is returned to described first server;
(g) described first server will return to the client of described first server from this specified data that described second server returns; And
(h) user obtains this specified data from the client of described first server.
Best, further comprise in described step (g): described first server will be inserted into from this customer data that described second server returns described second buffer area.
Best, further comprise: described first server upgrades the Data Update step of the data in described second buffer area every the stipulated time.
Best, in described Data Update step, described first server is inquired about up-to-date data to described second server, and according to the up-to-date data that inquire the data in described second buffer area is upgraded.
Best, if whether be stored in every record in described second server and described second buffer area has this record of sign and is modified or is not the field that increases newly, at described first server during to the inquiry of described second server, according to described field inquire be modified or newly-increased data as described up-to-date data in order to upgrade the data in described second buffer area.
Best, if every the record that is stored in described second server and described second buffer area has the Key that is used to identify its uniqueness, in described Data Update step, when described first server inquires up-to-date data in described second server, already present data are made comparisons in data that this is up-to-date and described second buffer area, if in described second buffer area, existed under the data conditions of identical Key, the data in described second buffer area are replaced to this up-to-date data; If in described second buffer area, do not exist under the data conditions of identical Key, insert this up-to-date data to described second buffer area.
Best, the described stipulated time is set at the user wishes time interval that data are upgraded.
Data synchronization system between the realization server of the present invention, it is characterized in that, the client that this system possesses client, first server and the second server of first server that connects by TCP/IP and described first server possesses first buffer area, described first server possesses second buffer area, wherein, the user is to the client-requested specified data of described first server, and the client of described first server possesses: the first data judging portion of judging the specified data that whether has request in described first buffer area; Judge that this specified data is at the cache-time of the described first buffer area first cache-time detection unit that whether exceeds schedule time; And be judged to be the first request of data portion that in described first buffer area, does not have specified data or under the situation that the cache-time that is judged to be described specified data by the described first cache-time detection unit exceeds schedule time, submit the request that is used to obtain this specified data to by the described first data judging portion to described first server, described first server possesses: receive from after the request of the first request of data portion, judge the second data judging portion that in described second buffer area, whether has this specified data; First data that this specified data returned to the client of described first server under the situation of being judged this specified data of existence in described second buffer area by the described second data judging portion are returned portion; And judging under the situation that in described second buffer area, does not have this specified data the second request of data portion of submitting the request that is used to obtain this specified data to described second server to by the described second data judging portion, described second server possesses: after the request that receives from the described second request of data portion, inquire about this specified data and second data that this specified data returns to described first server are returned portion.
Best, described first data are returned portion will further be turned back to the client of described first server by the specified data that the described second data portion of returning turns back to first server.
Best, described first server further possesses the specified data that will return from the described second data portion of returning and is inserted into data insertion section described second buffer area.
Best, described first server further possesses the Data Update portion that upgrades the data in described second buffer area every the stipulated time.
Best, by each part of computer realization said system.
As mentioned above, according to the present invention, because the part customer data is buffered in first buffer area (buffer area that is equivalent to client) or second buffer area (buffer area that is equivalent to the instant communicating system server), therefore, be not directly second server (being equivalent to Alibaba's site databases server) to be conducted interviews when obtaining customer data, so can alleviate that the client directly visits Alibaba website and the pressure that produces.
Moreover, because when first buffer area and second buffer area read customer data, time to this customer data of buffer area buffer memory judges, is no more than the stipulated time with the cache-time that guarantees this customer data, can guarantee the real-time of the customer data that obtained like this.
Suppose, if to obtain customer data, the frequency owing to data access is easy to cause the paralysis of second server by direct visit second server, if and all store customer data by the mode of buffer memory, then can not guarantee the realization of customer data again.This shows that the present invention can overcome the problem of above-mentioned two aspects, both can effectively reduce pressure that frequent data access produces second server, also can guarantee the real-time of customer data simultaneously to guarantee the stability and the availability of system.
Moreover, by being inserted into from the customer data that second server returns second buffer area, can guarantee the real-time of the customer data in second buffer area.
Moreover, upgrade customer data in second buffer area by first server every the stipulated time, also can further guarantee the real-time of the customer data in second buffer area.
Hereinafter with reference to the description of drawings embodiments of the present invention.
Description of drawings
Fig. 1 is the example that shows a dialogue window of customer data in the expression instant communicating system.
Fig. 2 is the example that shows a dialogue window of customer data in the expression CRM system.
Fig. 3 is an expression flow chart of realizing the method for data sync between instant communicating system and CRM system of the present invention.
Fig. 4 is the schematic diagram that is used to represent realize the system of method shown in Figure 3.
Embodiment
Below illustrative embodiments of the present invention is described, but be to be understood that these descriptions to illustrative embodiments do not constitute the restriction to scope of the present invention, scope of the present invention is only limited by the scope of claims.Can predict, those skilled in the art can make many variations and modification to the present invention under the scope and spirit that do not break away from claim.
Fig. 1 is the example that the expression instant communicating system shows a dialogue window of customer data.As shown in Figure 1, in the contact management tabulation of user, click certain client's name at instant communicating system, perhaps in Alibaba website, click certain client's instant communicating system Status icons, thereby when opening the instant communicating system dialog box with certain client, the electronic business card of meeting basic document of instant playback the other side in window, system can obtain and pass back for example following data:
◆ name
◆ sex
◆ position
◆ individual picture
◆ exabyte and company's network address
◆ member's rank (link integrity member, regular member)
◆ link integrity index (if the regular member, then not this item)
◆ link integrity archives link (if the regular member, then not this item)
◆ film name
◆ up-to-date supply-demand information
Fig. 2 is the example that shows a dialogue window of customer data in the expression CRM system.If the user is an instant communicating system Status icons of clicking certain client in CRM system, thereby when opening the dialog box with this client, as shown in Figure 2, the electronic business card that shows of client is and this client relevant data in CRM system:
◆ client's grade
◆ customer status (potential customers, purpose client etc.)
◆ remarks
Below, will describe execution mode how between instant communicating system and client management system (promptly referring to Alibaba's site databases), to realize the method for data sync in detail.
Fig. 3 is an expression flow chart of realizing the method for data sync between instant communicating system and client management system (promptly referring to Alibaba's site databases) of the present invention.
In Fig. 3, connect instant communicating system client (client 100 that is equivalent to the first following server), instant communicating system server (being equivalent to the first following server 200) and Alibaba's site databases server (being equivalent to following second server 300) by TCP/IP, and in order between instant communicating system and Alibaba's site databases, to realize data sync.Here, possess buffer area (being equivalent to the first following buffer area 110), also possess buffer area (being equivalent to the second following buffer area 220) at the instant communicating system server simultaneously in the instant communicating system client.As shown in Figure 3, this method comprises following step successively:
(a) user at first checks the HTML buffer memory that whether has this customer data in the buffer area of this instant communicating system client when opening certain client's instant communicating system dialog box;
(b) if having relevant this client's buffer memory at the buffer area of instant communicating system client, and cache-time is no more than the stipulated time, and then the unfolding mode according to dialog box shows this customer data at the dialog box of instant communicating system client; In addition, if do not exist this client's metadata cache or cache-time to surpass the afore mentioned rules time at the buffer area of instant communicating system client, then the instant communicating system client is submitted the request of the data that are used to obtain this client to the instant communicating system server;
(c) after the instant communicating system server receives request from the instant communicating system client, judge in its buffer area, whether there is corresponding customer data;
(d), then this customer data is returned to the instant communicating system client and in the dialog box of instant communicating system client, show this client's data if in the buffer area of instant communicating system server, there is this customer data;
If there is not this customer data in the buffer area of instant communicating system server, then the instant communicating system server is submitted the request that is used to obtain this customer data to Alibaba's site databases server.
(e) after Alibaba's site databases server receives request from the instant communicating system server, this customer data of inquiry and this customer data returned to the instant communicating system server in its database;
(f) the instant communicating system server will further return to the instant communicating system client from this customer data that Alibaba's site databases server returns;
(g) at the dialog box of instant communicating system client, as in above-mentioned (b) explanatorily the unfolding mode according to dialog box show this customer data.
Further, further comprise following data sync step in above-mentioned steps (f): when the instant communicating system server will return to the instant communicating system client from this customer data that Alibaba's site databases server returns, also the customer data that this is returned was inserted in the buffer area of instant communicating system server.
Like this, can guarantee the real-time of the customer data in the buffer area of instant communicating system server.
On the other hand, because the customer data that is stored in Alibaba's site databases server can be upgraded regularly, therefore, just need to upgrade data in the buffer area of instant communicating system server according to the data in real time ground that is updated, otherwise user inquiring to just may be the customer data of hysteresis.
Therefore, best in order to overcome above-mentioned situation, the instant communicating system server upgrades customer data in its buffer area every the stipulated time.Particularly, the instant communicating system server every the stipulated time to the up-to-date customer data of Alibaba's site databases server lookup, and the customer data in its buffer area is upgraded according to the up-to-date customer data that inquires.
The process of above-mentioned Data Update is specific as follows: every record establishing in the buffer area that is stored in Alibaba's site databases server and instant communicating system server has the Key that is used to identify its uniqueness.When instant communication system server inquires up-to-date customer data in Alibaba's site databases server, already present customer data is made comparisons in the customer data that this is up-to-date and the buffer area of instant communicating system server, under the situation as if the customer data that in this buffer area, has had identical Key, the customer data in this buffer area is replaced to this up-to-date customer data; Under the situation as if the customer data that in this buffer area, does not have identical Key, insert this up-to-date customer data to this buffer area.
So, by the instant communicating system server every the stipulated time to the up-to-date customer data of the database server of Alibaba website inquiry and to data cached renewal the in its buffer area, thus, can guarantee that data cached in the instant communicating system server is up-to-date, to guarantee the real-time of data.
In the process of above-mentioned Data Update, when instant communication system server during to the up-to-date customer data of Alibaba's site databases server lookup, utilized following data synchronization technology: establish every the record that is stored in Alibaba's site databases server and all have a field Mod_serial, the value of this field is a self-propagation, and whether it is used for these data of mark and is modified.If the data of certain bar record were updated or newly added and increased a record, its Mod_serial value all is maximum.Equally, every record in the buffer area of instant communicating system server also has a Mod_serial field, and its initialization value is 0.The instant communicating system server is every stipulated time inquiry Alibaba site databases server, to check out greater than peaked all data record of Mod_serial in its buffer memory and with it as up-to-date customer data, upgrade existing data in instant communicating system server buffer district with this up-to-date customer data.
Stipulated time in the above-mentioned explanation can be set at the interval of reasonable time arbitrarily that hope is upgraded customer data, for example, and 0.5 hour, 1 hour, 1.5 hours, 2 hours, 2.5 hours, 3 hours ... or the like.
Fig. 4 is the schematic diagram that is used to represent realize the system of method shown in Figure 3.
As shown in Figure 4, this system client 100 of possessing client 100 (corresponding to the instant communicating system client among Fig. 3), first server 200 (corresponding to the instant communicating system server among Fig. 3) and the second server 300 (corresponding to Alibaba's site databases server among Fig. 3) and first server of first server that connects by TCP/IP possesses first buffer area 110, first server 200 possesses second buffer area 220.
Here, the user is when the client 100 of visit first server, to the client 100 request customer datas of first server, the customer data that will ask from client 100 acquisitions of first server by utilizing system shown in Figure 4.
In Fig. 4, the client 100 of first server possesses: the first data judging portion 101 of judging the customer data that whether has request in first buffer area 110; Judge the first cache-time detection unit 102 whether this customer data exceeds schedule time at the cache-time of first buffer area 110; And in first buffer area 110, there is not customer data or judging under the situation that the cache-time of customer datas exceeds schedule time the first request of data portion 103 of submitting the request that is used to obtain this customer data to first server 200 to by the first cache-time detection unit 102 judging by very first time detection unit 101.
Wherein, first server 200 possesses: after the request that receives from the first request of data portion 103, judge the second data judging portion 201 that whether has this customer data in second buffer area 220; First data that this customer data returned to the client 100 of first server under the situation of being judged this customer data of existence in second buffer area 220 by the second data judging portion 201 are returned portion 202; And judging under the situation that in second buffer area 220, does not have this customer data the second request of data portion 203 of submitting the request that is used to obtain this customer data to second server 300 to by the second data judging portion 201.
Wherein, second server 300 possesses: after the request that receives from the second request of data portion 203, inquire about this customer data and second data that this customer data returns to first server 200 are returned portion 301.
And above-mentioned first data are returned portion 202 further will return the client 100 that customer data that portion 301 turns back to first server 200 turns back to first server by second data.
Best, first server 200 further possesses and is inserted into data insertion section 204 second buffer area 220 with return customer data that portion 301 returns from second data; And upgrade the Data Update portion 205 of the customer data in second buffer area 220 every the stipulated time.
Each component units by client 100, first server 200 and the second server 300 of above-mentioned first server of computer realization.
As mentioned above, because instant communicating system and Alibaba website are two cover systems, in order to obtain customer data, if by directly visiting Alibaba website in the instant communicating system client, because the frequency of data access is easy to cause the paralysis of Website server system of Alibaba; And if all store data by the mode of buffer memory, then can not guarantee the realization of customer data again.The present invention has overcome the problem of above-mentioned two aspects, realize the data sync between instant communicating system and Alibaba's website data by between instant communicating system server and Alibaba's site databases server, adopting instant communicating system client-cache, instant communicating system server end buffer memory, thus, both can effectively reduce the pressure that frequent data access produces server, the stability of assurance system and availability can guarantee the real-time of customer data again.
In addition, common immediate communication tool is a single system, user's data is oneself to safeguard and do not have certified, so when business meeting, more commercial data is provided for the negotiation both sides, a reliable data refer is provided also just can't for the negotiation both sides, is unfavorable for carrying out of online transaction.And Alibaba is an internet trade market, the user data here is through Alibaba and the user check between mutually, and data are very detailed, and client's basic document is not only arranged, in addition client's company profile, credibility record, supply-demand information etc.By the instant communicating system system is docked with Alibaba website, to obtain the detailed commercial data of client and in dialog box, to show electronic business card, comprehensive reference is provided not only for the negotiation both sides, help to consult both sides' mutual understanding, simultaneously also give prominence to commercial atmosphere, helped promoting carrying out of instant online communication system.
In sum, in the present invention,, both reduced the pressure of visiting Alibaba's Website server and producing, guaranteed the real-time of customer data again by adopting rational metadata cache, data sync, Data Update.
More than; with reference to accompanying drawing the specific embodiment of the present invention specific descriptions have been made; yet; those skilled in the art are to be understood that; do not departing under spirit of the present invention and the situation by the protection range that claims limited, those skilled in the art can also do various modifications to situation given in the embodiment.Therefore, should not be counted as limitation of the invention with reference to above-mentioned accompanying drawing to the embodiment description that the present invention did.
Claims (12)
1. method that realizes the data sync between the server, it is characterized in that, connect client (100), first server (200) and the second server (300) of first server and in order between described first server (100) and described second server (300), to realize data sync by TCP/IP, and, client (100) at described first server possesses first buffer area (110), possesses second buffer area (220) at described first server (200), wherein, this method comprises following step successively:
(a) user is to client (100) the request specified data of described first server;
(b) client of described first server (100) is judged the specified data that whether has request in described first buffer area (110);
(c) if in described first buffer area (110), exist this specified data and this specified data not to exceed schedule time, then proceed to step (h) at the cache-time of described first buffer area (110); If do not exist the cache-time of this specified data or this specified data to exceed schedule time, then submit the request that is used to obtain this specified data to described first server (200) at described first buffer area (110);
(d) described first server (200) receive from the client (100) of described first server be used to obtain the request of this specified data after, judge in described second buffer area (220), whether have this specified data;
(e) if in described second buffer area (220), there is this specified data, then this specified data returned to the client (100) of described first server and proceed to step (h); If in described second buffer area (220), do not have this specified data, then submit the request that is used to obtain this specified data to described second server (300);
(f) described second server (300) receive from described first server (200) be used to obtain the request of this specified data after, inquire about this specified data and this specified data is returned to described first server (200);
(g) described first server (200) will return to the client (100) of described first server from this specified data that described second server (300) are returned; And
(h) user obtains this specified data from the client of described first server.
2. the method for the data sync between the realization server as claimed in claim 1 is characterized in that,
Further comprise in described step (g): described first server (200) will be inserted into described second buffer area (220) from this specified data that described second server (300) are returned.
3. the method for the data sync between the realization server as claimed in claim 1 is characterized in that, further comprises:
Described first server (200) upgrades the Data Update step of the data in described second buffer area (220) every the stipulated time.
4. the method for the data sync between the realization server as claimed in claim 3 is characterized in that,
In described Data Update step, described first server (200) is inquired about up-to-date data to described second server (300), and according to the up-to-date data that inquire the data in described second buffer area (220) is upgraded.
5. the method for the data sync between the realization server as claimed in claim 4 is characterized in that,
If whether be stored in every record in described second server (300) and described second buffer area (220) has this record of sign and is modified or is not the field that increases newly, at described first server (200) when described second server (300) is inquired about, will according to described field inquire be modified or newly-increased data as described up-to-date data in order to upgrade the data in described second buffer area (220).
6. the method for the data sync between the realization server as claimed in claim 5 is characterized in that,
If every the record that is stored in described second server (300) and described second buffer area (220) has the Key that is used to identify its uniqueness,
When described first server (200) inquires up-to-date data in described second server (300), already present data are made comparisons in data that this is up-to-date and described second buffer area (220), if in described second buffer area (220), existed under the data conditions of identical Key, the data in described second buffer area (220) are replaced to this up-to-date data; If in described second buffer area (220), do not exist under the data conditions of identical Key, insert this up-to-date data to described second buffer area (220).
7. as the method for the data sync between claim 1 or the 3 described realization servers, it is characterized in that,
The described stipulated time is set at the user wishes time interval that data are upgraded.
8. realize the data synchronization system between the server for one kind, it is characterized in that, this system possesses client (100), first server (200) and the second server (300) of first server that connects by TCP/IP, and the client of described first server (100) possesses first buffer area (110), described first server (200) possesses second buffer area (220), wherein, the user is to client (100) the request specified data of described first server
The client of described first server (100) possesses:
Whether judgement exists the first data judging portion (101) of the specified data of request in described first buffer area (110);
Judge that this specified data is at the cache-time of described first buffer area (110) the first cache-time detection unit (102) that whether exceeds schedule time; And
Be judged to be the first request of data portion (103) that in described first buffer area (110), does not have specified data or under the situation that the cache-time that is judged to be described specified data by the described first cache-time detection unit (102) exceeds schedule time, submit the request be used to obtain this specified data to described first server (200) by the described first data judging portion (101)
Described first server (200) possesses:
Receive from after the request of the first request of data portion (103), judge the second data judging portion (201) that in described second buffer area (220), whether has this specified data;
First data that this specified data returned to the client (100) of described first server under the situation of being judged this specified data of existence in described second buffer area (220) by the described second data judging portion (201) are returned portion (202); And
Judging under the situation that in described second buffer area (220), does not have this specified data the second request of data portion (203) of submitting the request that is used to obtain this specified data to described second server (300) to by the described second data judging portion (201),
Described second server (300) possesses: after the request that receives from the described second request of data portion (203), inquire about this specified data and second data that this specified data returns to described first server (200) are returned portion (301).
9. the data synchronization system between the realization server as claimed in claim 8 is characterized in that,
Described first data are returned portion (202) will return the client (100) that specified data that portion (301) turns back to first server (200) further turns back to described first server by described second data.
10. the data synchronization system between the realization server as claimed in claim 8 is characterized in that,
Described first server (200) further possesses and is inserted into data insertion section (204) described second buffer area (220) with return specified data that portion (301) returns from described second data.
11. the data synchronization system between the realization server as claimed in claim 8 is characterized in that,
Described first server (200) further possesses the Data Update portion (205) that upgrades the data in described second buffer area (220) every the stipulated time.
12. the data synchronization system as between any described realization server of claim 8～11 is characterized in that,
Each part by the computer realization said system.
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|---|---|---|---|
| CN2006101261201A CN101132395B (en) | 2006-08-22 | 2006-08-22 | Method and system for implementing data synchronization between servers |
| HK08107738.4A HK1113877A1 (en) | 2006-08-22 | 2008-07-14 | A method and system for implementing data synchronisation between servers |
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| CN2006101261201A CN101132395B (en) | 2006-08-22 | 2006-08-22 | Method and system for implementing data synchronization between servers |
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| CN102073915A (en) * | 2009-11-19 | 2011-05-25 | 北汽福田汽车股份有限公司 | Office automation system and implementation method thereof |
| CN101887399A (en) * | 2010-06-28 | 2010-11-17 | 北京用友政务软件有限公司 | Method for accessibly accessing cache data at server side |
| CN104079470B (en) * | 2013-03-27 | 2019-06-25 | 腾讯科技（深圳）有限公司 | A kind of electronic name card exchange method, system and server |
| CN104079548B (en) * | 2013-04-27 | 2018-10-09 | 腾讯科技（深圳）有限公司 | Electronic name card management method, device, server and communication system |
| CN103491137A (en) * | 2013-09-02 | 2014-01-01 | 用友软件股份有限公司 | Data synchronizing system and data synchronizing method |
| CN103684995B (en) * | 2013-12-26 | 2017-06-16 | 广州华多网络科技有限公司 | Traffic performance displaying, pocket transmission news methods of exhibiting and system in network colony |
| CN104506643A (en) * | 2014-12-30 | 2015-04-08 | 北京奇虎科技有限公司 | Server of distributed storage system and data synchronizing method between servers |
| CN107153644B (en) * | 2016-03-02 | 2021-06-04 | 创新先进技术有限公司 | Data synchronization method and device |
| CN107172447B (en) * | 2017-05-31 | 2019-12-27 | 成都博视美达文化传播有限公司 | Data loading method and device |
| CN108090152B (en) * | 2017-12-11 | 2021-11-30 | 创新先进技术有限公司 | Data synchronization method and system |
| CN109471906A (en) * | 2018-11-28 | 2019-03-15 | 立旃（上海）科技有限公司 | Specification deposit removing method and device based on block chain |
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| CN1464409A (en) * | 2002-06-26 | 2003-12-31 | 联想(北京)有限公司 | Process for data synchronizing process between user device and server in a flush type system |
| CN1529457A (en) * | 2003-09-29 | 2004-09-15 | 中兴通讯股份有限公司 | Communication system base station and server database real-time synchronizing method |
| CN1681248A (en) * | 2004-04-06 | 2005-10-12 | 三星电子株式会社 | Method and system for transmitting data for data synchronization between server and client |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1464409A (en) * | 2002-06-26 | 2003-12-31 | 联想(北京)有限公司 | Process for data synchronizing process between user device and server in a flush type system |
| CN1529457A (en) * | 2003-09-29 | 2004-09-15 | 中兴通讯股份有限公司 | Communication system base station and server database real-time synchronizing method |
| CN1681248A (en) * | 2004-04-06 | 2005-10-12 | 三星电子株式会社 | Method and system for transmitting data for data synchronization between server and client |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1113877A1 (en) | 2008-10-17 |
| CN101132395A (en) | 2008-02-27 |
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