CN1968166A - Network structure-based intelligent terminal application system - Google Patents
Network structure-based intelligent terminal application system Download PDFInfo
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Abstract
The invention relates to an intelligent terminal application system based on network structure, which at least comprises one local network with intelligent terminal, access network, and fireproof wall; the first server area with several different server groups while each group has at least one server with different functions, and the first server area has authorization domain analysis server; network load balancer connected to the fireproof wall and the first server area, to select one of minimum-load server to connect the intelligent terminal, according to the requested server group and the load of server.
Description
Technical field
The present invention relates to network technology, relate in particular to the intelligent terminal application system of structure Network Based.
Background technology
Along with the develop rapidly of the network and the communication technology, various application platform systems emerge in an endless stream, and the especially appearance of intelligent terminal makes the application of intelligent terminal receive much attention.In general, the network configuration of existing intelligent terminal application system is all similar.As shown in Figure 1, intelligent terminal 11 is by Access Network 12, and it is interconnected by fire compartment wall 13 and network access equipment 14, network access equipment 14 is connected to server group 15, wherein, intelligent terminal 11 can be mobile phone, wireless terminals such as PDA, Access Network 12 is network systems such as mobile network or private data network, the fire compartment wall 13 main safety of being responsible for network, (11 of intelligent terminals provide domain name in the IP address that network access equipment 14 provides according to intelligent terminal 11, local dns server is with the identification of this domain name and be converted to the IP address) select a corresponding server in the server group 15, can comprise for example management server in the server group 15, the system maintenance device, multiple server such as streaming media server and short message server, these servers can be served this terminal according to the request of intelligent terminal.
By above-mentioned network configuration as can be known, because network access equipment 14 is connected with the server group 15 that multiple function service can be provided, can enjoy browsing page, receiving and dispatching mail, onlinely watch multiple services such as video frequency program, video request program that this provides convenient abundant entertainment way to the user so hold the user of intelligent terminal 11.But also can find out from above-mentioned network configuration, along with increasing sharply of the number of users of holding intelligent terminal, the probability that the user of certain radix visits same server simultaneously will inevitably increase, for example, a plurality of intelligent terminals 11 provide the online service of watching video frequency program by the streaming media server in 14 while of the network access equipment request server group 15, the visit capacity of streaming media server at this moment can suddenly rise, streaming media server is bound to can't bear the heavy load, and so very likely can cause the paralysis of subnetwork even whole system.
Summary of the invention
In view of the above problems, the invention provides a kind of intelligent terminal application platform system of structure Network Based, this system has load-balancing function, so that network traffics are reasonably shared, and then guarantees system stability, provides service for the user fast.
For this reason, the invention provides a kind of intelligent terminal application system of structure Network Based, comprise at least one Local Area Network, Local Area Network comprises intelligent terminal, Access Network, fire compartment wall, and this application system also comprises: first server area has a plurality of server groups that the difference in functionality service is provided, wherein, each server group comprises at least one server, and the server in each server group provides the identical functions service, and first server area comprises the authoritative domain name resolution server; Network load balancing device, join with the fire compartment wall and first server area respectively, according to the address of the server group of intelligent terminal request visit and with address corresponding server group in the load size of server, select in the server of load minimum one to be connected with intelligent terminal.
Wherein, network load balancing device is selected being connected with intelligent terminal with the immediate Local Area Network of source address in a plurality of Local Area Networks by the source address of contrast intelligent terminal and the degree of closeness of a plurality of Local Area Networks.Network load balancing device can be Network Load Balance switch or intelligent domain name resolution server.
Wherein, first server area comprises: the first front-end server district, join with network load balancing device, have a plurality of different front end set of servers, each front end set of servers comprises at least one front-end server, server in the front-end server provides the identical functions service, and the first front-end server district can be visited by intelligent terminal; Second network access equipment joins with the first front-end server district; The back-end server district joins with second network access equipment, can not be visited by intelligent terminal.
In addition, this application system also comprises memory device, joins with the back-end server district and the first front-end server district, is used for store data and information, adopts the method for direct additional storage DAS or storage area network SAN.
This application system also comprises: first network access equipment, join with fire compartment wall and network load balancing device respectively; The second front-end server district joins with first network access equipment, has a plurality of different servers, can be visited by intelligent terminal.
And first network access equipment and/or described second network access equipment can be switch.
In addition, this application system also comprises: access switch, join with Access Network; Slave firewall inserts access switch simultaneously with above-mentioned fire compartment wall, and slave firewall and above-mentioned fire compartment wall join; The first backup network access device joins with slave firewall, first network access equipment, the second front-end server district respectively; The first backup network load-balancing device joins with the first backup network access device, network load balancing device, the first front-end server district respectively; The second backup network access device joins with second network access equipment, the first front-end server district, the second front-end server district and back-end server district respectively.The first backup network access device and/or the described second backup network access device can be switch.
By above technical scheme as can be known, the present invention compares with existing intelligent terminal application platform system, has following advantage:
1. the present invention has adopted and has had the equipment of judging the Network Load Balance function, and have two kinds of functions of GSLB and local load balancing, this configuration can be flexibly, effectively in the different server of assignment of traffic in regional server zone or the home server group, avoid the flow bottleneck, overall performance is provided; Can also from the physical layer to the network layer, monitor for service application simultaneously, play the effect that fault shifts to different aspects such as application layers.
2. the present invention has adopted the memory device of storage area network (SAN); the use of SAN can be enjoyed the storage environment of high-performance, high stability and high degree of safety more convenient, more efficiently, and this will all have very positive facilitation to the operate as normal order and the development in future of platform undoubtedly.In addition, open standard, allow the user from various high availability, disaster recovery, backup and data sharing schemes integrated,, to select, thereby the user can integrate the equipment of different storage system producer to obtain success to greatest extent and to avoid being subjected to ordering about of producer because of locking a certain producer by test; Load balancing easily can be regulated memory capacity dynamically between different main frames as required, and the storage subsystem that can visit one or more big centralized management is moved various data sharings and used; Enhanced scalability in case existing capacity can not be satisfied the demand, can increase the disk array storage products easily and realize among the SAN expansion to capacity on the optical-fibre channel storage switch; The backup of enterprise-level, stand-by program and management maintenance work obtain simplifying, and tape subsystem can be shared by countless servers, and can not have influence on the performance of whole Ethernet when backing up.
3. back-up system of the present invention can greatly improve the survival ability of Local Area Network even whole application system, for intelligent terminal provides safety, stable, service efficiently.
Description of drawings
Fig. 1 is the network structure of existing intelligent terminal application platform.
Fig. 2 is a regional network structure figure of the intelligent terminal application system of structure Network Based of the present invention.
Fig. 3 is the structure chart with intelligent terminal application system of a plurality of Local Area Networks of the present invention.
Fig. 4 is the schematic diagram of realization GSLB function of the intelligent terminal application system of structure Network Based of the present invention.
Fig. 5 is the increase standby system regional network structure figure afterwards of the intelligent terminal application system of structure Network Based of the present invention.
Embodiment
Below we will be in conjunction with the accompanying drawings, optimum implementation of the present invention is described in detail.At first it is to be noted, the implication of the term of using among the present invention, words and claim can not only only limit to its literal and common implication and go to understand, the implication and the notion that also comprise and then conform to technology of the present invention, this is because we are as the inventor, to suitably provide the definition of term, so that the most appropriate description is carried out in our invention.Therefore, the configuration that provides in this explanation and the accompanying drawing is first-selected embodiment of the present invention, rather than will enumerates all technical characteristics of the present invention.We will recognize to also have the various equivalent scheme or the modifications that can replace our scheme.
At first, please refer to Fig. 2, Fig. 2 is a regional network structure figure of the intelligent terminal application system of structure Network Based of the present invention.As shown in the figure, intelligent terminal 201 passes through Access Network 202, and interconnected by the master firewall 203 and the first main switch 204 of using, wherein, intelligent terminal 201 can be mobile phone with function of surfing the Net or palmtop PC etc., and Access Network 202 for example is 165 data networks of CHINAUNICOM.The user can import domain name in intelligent terminal 201, the local dns server of intelligent terminal 201 correspondences (home domain name resolution server) is resolved domain name, and be converted to the IP address of desiring access server, the first main switch 204 of using is according to this IP address choice corresponding server, if this IP address indication is the server that does not need load-balancing function, then the first main switch 204 of using selects the second front-end server district 211 to be connected with intelligent terminal 201, if this IP address indication is the server that needs load-balancing function, then the first main switch 204 of using selects first server area 210 to be connected with intelligent terminal 201.The access request of intelligent terminal 201 at first arrives the Network Load Balance switch 205 that joins with first server area 210, Network Load Balance switch 205 according in this IP address and first front-end server 206 to the load size of server that should the IP address, select of load minimum to be connected with intelligent terminal 201 with this IP address corresponding server, wherein, when the access request of intelligent terminal 201 arrives Network Load Balance switch 205, Network Load Balance switch 205 can carry out load query to find the server of a load minimum to Servers-all corresponding with this IP address in first front-end server 206, so that intelligent terminal 201 is linked into the server of load minimum, the relative visit burden that alleviates other servers.In addition, though the first front-end server district 206 and the second front-end server district 211 can be accessed from public network, but with the data exchange process of intelligent terminal 201 in, very likely need the associative operation on backstage or the data of backstage storage, so the first front-end server district 206 and the second front-end server district 211 also are connected to the second main switch 207 of using, and second master also is connected to back-end server district 208 with switch 207, the provide support function service of the server in the first front-end server district 206 and the second front-end server district 211 of back-end server in the back-end server district 208, increasing of the function service that provides along with system, make the memory data output of system itself to strengthen, so back-end server district 208 also is connected with memory device 209, this memory device 209 can adopt the method for direct additional storage (DAS) or storage area network (SAN), wherein, SAN is by special-purpose hub, switch and gateway set up with server and disk array between direct the connection, this network technology is supported telecommunication, and the permission memory device is real and server is isolated, storage is become can be by the Servers-all resources shared, for example, back-end server 208 is according to the request of the front-end server in the first front-end server district 206 and the second front-end server district 211, can send the instruction of retrieve data to memory device 209, memory device 209 returns to the data of back-end server 208 correspondences according to this instruction.
Disclosed Network Load Balance switch 205 has been born the local load balancing function among Fig. 2, and in fact, Network Load Balance switch 205 also can be realized the GSLB function.
Please refer to Fig. 3, Fig. 3 has increased a plurality of identical Local Area Networks on the basis of Fig. 2.In Fig. 3, there is VPN passage (not illustrating among the figure) to link to each other between a plurality of Access Networks 202, the VPN passage can be realized by the VPN function that fire compartment wall carries, make that each application platform 212 is virtual in a big Intranet, made things convenient for the communication between the server of each application platform 212, be convenient to management, also guaranteed the fail safe of communication.
Introduce the technical scheme of the GSLB of the present invention's employing below.
As shown in Figure 3, Network Load Balance switch 205 is by the source IP address and the server ip address of each application platform 212 of intelligent terminal 201, and the server of the application platform 212 that selection and intelligent terminal 201 are the most approaching is connected with intelligent terminal 201.
Concrete scheme please refer to Fig. 4, and Fig. 4 is the schematic diagram of realization GSLB function of the present invention.As shown in the figure, suppose that two Local Area Networks are respectively Beijing area network 405 and Shanghai LAN 406, realize that the process of GSLB function is:
1. the terminal 401 visit u-web homepages in Shanghai at first send the dns resolution request to local dns server 402;
2. local dns server 402 is given to registered mandate dns server 404 with the DNS request, suppose to authorize the address of dns server 404 to be registered 7 layer switch, 403 addresses, Beijing into Beijing area network 405, Beijing 7 layer switch 403 of Beijing area network 405 are given to mandate dns server 404 after receiving the DNS request, after authorizing dns server 404 to analyze, returning the DNS echo message, is the IP of the Shanghai u-web server 407 of the IP of Beijing u-web server 409 of Beijing area network 405 and Shanghai LAN 406 in the echo message.
3. after Beijing 7 layer switch 403 of Beijing area network 405 receive that DNS responds, by analyzing and algorithm computation, find that terminal 401 is near from Shanghai LAN 406, the u-web domain name during so modification DNS responds and the corresponding informance of IP address, only the IP address with the Shanghai u-web server 407 of Shanghai LAN 406 writes in the echo message, issues the local dns server 402 at terminal 401 places then.
4. local dns server 402 is issued terminal 401 to echo message again, and echo message is carried out buffer memory.
5. the visit IP address of the u-web domain name received at last of terminal 401 is the address of Shanghai LAN 406, thereby terminal 401 will be visited the Shanghai u-web server 407 of Shanghai LAN 406.
Need to prove:
(1) in the GSLB function, at first, Beijing 7 layer switch 403 can judge whether the server of Beijing area network 405 and Shanghai LAN 406 moves normally, just carries out the health examination (health check) of server, and moving abnormal server will be excluded.What adopt then is that " affinity " of 403 li of Beijing 7 layer switch is provided with and carries out region decision.The principle that " affinity " is provided with is exactly that source IP address according to visit decides modification to echo message, just in 7 layer switch 403 of Beijing, some address fields are set, the zone that different address fields is corresponding different, after receiving the DNS request, Beijing 7 layer switch 403 judge that the former IP address of this request belongs to which address field and corresponding zone, changes the domain name mapping IP in the DNS echo message into this regional server ip address then.It should be noted that raw address is not the IP address of terminal 401 but the IP address of the local dns server 402 that terminal 401 is used.In fact, can use fully the dns address of each Local Area Network (comprising Beijing area network 405 and Shanghai LAN 406) that address field is set.
(2) because the problem that " affinity " is provided with, the corresponding IP address that needs use the domain name of GSLB function to be provided with in authorizing dns server 404 is necessary for the virtual ip address of 403 li configurations of Beijing 7 layer switch, this virtual ip address is the IP of an Intranet, the Intranet IP of corresponding real server.Will go wrong like this, the IP in the DNS echo message is Intranet IP, and terminal can not be visited this Intranet IP.In order to address this problem, used " dns translation " function of fire compartment wall.This function can change the Intranet IP in the DNS echo message into public network IP addresses corresponding.
(3) once mentioned in the superincumbent process, terminal 401 employed local dns servers 402 can carry out buffer memory with the DNS echo message.This is the basic function of dns server.For for example u-web and these two domain names of u-mail, final parsing work can be finished by the mandate dns server 404 of Beijing area network 405 and the mandate dns server (not illustrating among Fig. 4) of Shanghai LAN 406, the actual address that does not have u-web and u-mail domain host in the local dns server 402 that terminal 401 is used, when local dns server 402 is received the analysis request of u-web or u-mail domain host for the first time, can be given to analysis request and authorize dns server 404, after receiving the echo message of analysis request, this result of local dns server 402 buffer memorys.In the information of responding, individual parameter " TTL " is arranged, be called life cycle (time to live).The result of buffer memory will be effectively in time life cycle, local dns server 402 is after receiving identical domain host analysis request, directly the result with buffer memory replies to terminal 401, the time that has surpassed life cycle, the result of buffer memory will lose efficacy, at this moment after receiving analysis request, will be given to once more and authorize dns server 404 to handle.It should be noted that if the time is set longlyer, a problem may occur.Just when the server of Beijing area network 405 and Shanghai LAN 406 breaks down, if TTL is provided with long, when TTL did not also lose efficacy, terminal 401 will be used the buffered results in the local dns server 402, but the server in the buffered results has broken down, so terminal 401 visits will go wrong.For fear of this problem, can be set to 2 minutes or the more suitable time by ttl value.
In Fig. 2-Fig. 4, what the present invention adopted is that the Network Load Balance switch is as the equipment of realizing local load balancing and GSLB, in fact, also can adopt other load-balancing devices such as intelligent dns server to realize load-balancing function, the principle and the said method of service are similar.To realize that GSLB is an example, the DNS request of terminal will be transferred to intelligent dns server earlier, in the database of intelligence dns server the IP address information of each Local Area Network or the dns server IP address information of each department are arranged, judge the area at terminal place by these information, thereby return to the server ip address that terminal can insert nearby.
In addition, for the stable and network security of whole application system, the present invention also provides a plurality of standby systems that increase on Local Area Network basis shown in Figure 2, the problem of network paralysis when breaking down with the main operational outfit among solution Fig. 2.
As shown in Figure 5, access switch 213 joins with Access Network 202, slave firewall 214 joins with access switch 213 and master firewall 203 respectively, when in case Local Area Network shown in Figure 2 can not normally move, access switch 213 can be received slave firewall 214 and connected follow-up equipment (promptly enabling standby system) with intelligent terminal 201, first backup switch 215 joins with the slave firewall 214 and the second front-end server district 211 respectively, backup network load-equalizing switch 216 respectively with first backup switch 215, the Network Load Balance switch 205 and the first front-end server district 206 join, and second backup switch 217 is main with switch 207 with second respectively, the first front-end server district 206, the second front-end server district 211 and back-end server district 208 join.The increase of these stand-by equipments can effectively improve the survival ability of Local Area Network even whole application system, make whole application system steadily, operation efficiently.
In addition, because intelligent terminal application system of the present invention has been equipped with a plurality of server areas, can not only realize application such as web page browsing, download, streaming media service, short message service and mail service, possess perfect user management and system's operation monitoring function simultaneously, for example to the intelligent terminal user register, authentication, charging, management, statistics etc.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the intelligent terminal application system of a structure Network Based comprises at least one Local Area Network, and described Local Area Network comprises intelligent terminal, Access Network, fire compartment wall, it is characterized in that also comprising:
First server area has a plurality of server groups that the difference in functionality service is provided, and wherein, described each server group comprises at least one server, and the described server in described each server group provides the identical functions service;
Network load balancing device, join with described fire compartment wall and described first server area respectively, according to the load size of the described server in the address of the described server group of described intelligent terminal request visit and the described server group corresponding with described address, in the described server of selection load minimum one is connected with described intelligent terminal.
2. the intelligent terminal application system of structure Network Based as claimed in claim 1, it is characterized in that, described network load balancing device, the source address by contrasting described intelligent terminal and the degree of closeness of described a plurality of Local Area Networks are selected being connected with described intelligent terminal with the immediate Local Area Network of described source address in described a plurality of Local Area Network.
3. the intelligent terminal application system of structure Network Based as claimed in claim 1 is characterized in that, described network load balancing device is the Network Load Balance switch.
4. the intelligent terminal application system of structure Network Based as claimed in claim 1 is characterized in that, described network load balancing device is intelligent domain name resolution server.
5. the intelligent terminal application system of structure Network Based as claimed in claim 1 is characterized in that, described first server area comprises:
The first front-end server district, join with described network load balancing device, have a plurality of different front end set of servers, described each front end set of servers comprises at least one front-end server, described server in the described front-end server provides the identical functions service, and the described first front-end server district can be visited by described intelligent terminal;
Second network access equipment joins with the described first front-end server district;
The back-end server district joins with described second network access equipment, can not be visited by described intelligent terminal.
6. the intelligent terminal application system of structure Network Based as claimed in claim 5 is characterized in that also comprising:
Memory device joins with described back-end server district and the described first front-end server district, is used for store data and information, adopts the method for direct additional storage DAS or storage area network SAN.
7. the intelligent terminal application system of structure Network Based as claimed in claim 6 is characterized in that also comprising:
First network access equipment joins with described fire compartment wall and described network load balancing device respectively;
The second front-end server district joins with described first network access equipment, has a plurality of different servers, can be visited by described intelligent terminal.
8. the intelligent terminal application system of structure Network Based as claimed in claim 1 is characterized in that, described first network access equipment and/or described second network access equipment are switch.
9. the intelligent terminal application system of structure Network Based as claimed in claim 7 is characterized in that, also comprises:
Access switch joins with described Access Network;
Slave firewall inserts described access switch simultaneously with described fire compartment wall, and described slave firewall and described fire compartment wall join;
The first backup network access device joins with described slave firewall, described first network access equipment, the described second front-end server district respectively;
The first backup network load-balancing device joins with the described first backup network access device, described network load balancing device, the described first front-end server district respectively;
The second backup network access device joins with described second network access equipment, the described first front-end server district, the described second front-end server district and described back-end server district respectively.
10. the intelligent terminal application system of structure Network Based as claimed in claim 9 is characterized in that, described first backup network access device and/or the described second backup network access device are switch.
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| CN 200510123418 CN1968166A (en) | 2005-11-18 | 2005-11-18 | Network structure-based intelligent terminal application system |
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| CN105450774A (en) * | 2015-12-28 | 2016-03-30 | 曙光信息产业(北京)有限公司 | Load balancing method and load balancing device for DNS |
| CN107800794A (en) * | 2017-10-26 | 2018-03-13 | 广州市雷军游乐设备有限公司 | The system for realizing platform safety stable operation |
| CN108737493A (en) * | 2018-04-02 | 2018-11-02 | 北京奇艺世纪科技有限公司 | A kind of address distribution method, device and electronic equipment |
| CN108737493B (en) * | 2018-04-02 | 2021-09-17 | 北京奇艺世纪科技有限公司 | Address allocation method and device and electronic equipment |
| CN109450752B (en) * | 2018-11-30 | 2022-03-01 | 广东美的制冷设备有限公司 | Household appliance network distribution method and device and computer readable storage medium |
| CN115225608A (en) * | 2022-07-22 | 2022-10-21 | 济南浪潮数据技术有限公司 | Load balancing method, device, equipment and medium for DNS domain name resolution |
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