CN109729190A - Network Access Method, system, equipment and computer readable storage medium - Google Patents
Network Access Method, system, equipment and computer readable storage medium Download PDFInfo
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Abstract
The invention discloses a kind of Network Access Method, system, equipment and computer readable storage mediums, this method comprises: receiving the request message for the target ip address that client is sent；The target ip address is that the target domain name that domain name system DNS server is sent according to the client is back to the client；According to the target ip address, the detail routing iinformation corresponding with the target ip address issued outward by the public network outlet device is found out；The detail routing iinformation includes the address routing of multiple external connection servers；Forward the request message to multiple external connection servers corresponding with the detail routing iinformation by the public network outlet device, so that the external connection server responds the request message.The present invention solves the problems, such as that local dns server is impaired for a long time as that can not perceive business caused by the failure of distal end external connection server in time.
Description
Technical field
The present invention relates to techno-financial technical field more particularly to a kind of Network Access Method, system, equipment and computers
Storage medium.
Background technique
With the fast development of financial technology (Fintech), especially internet techno-financial, more and more banks are all
Internet prefecture is configured with to access for user.Traditional internet prefecture in application active/standby server and the deployment of more living frameworks,
It is cached in local domain name system DNS (Domain Name System) server one-to-many between domain name and computer room IP address
Mapping relations are different for the IP address of the same multiple computer rooms of service；After user inputs domain name, local dns service
Device can return to one IP address of user terminal to guide user to access the corresponding computer room of the IP address, however, returning to user terminal
The corresponding computer room of IP address in external connection server whether there is failure, local dns server can not perceive in time, only
Have after user accesses external connection server failure according to the IP address of return, local dns server is just communicated with authoritative server
Updating the mapping relations of local dns server caching, local dns server can not perceive the failure of external connection server in time,
It causes business impaired for a long time, is unable to satisfy high real-time business need.
Summary of the invention
The main purpose of the present invention is to provide a kind of Network Access Method, system, equipment and computer storage medium, purports
It is solving to be unable to satisfy high real-time since local dns server can not be perceived in time caused by the failure of distal end external connection server
The problem of business need.
To achieve the above object, the present invention provides a kind of Network Access Method, is applied to public network convergence device, the public network
Convergence device is communicated to connect with multiple computer rooms, and the computer room includes public network outlet device and external connection server, multiple described outer
Connection server all have identical target ip address, the Network Access Method the following steps are included:
Receive the request message for the target ip address that client is sent；The target ip address is domain name system
The target domain name that dns server is sent according to the client is back to the client；
According to the target ip address, find out issuing outward with the target ip address by the public network outlet device
Corresponding detail routing iinformation；The detail routing iinformation includes the address routing of multiple external connection servers；
Forward the request message to multiple institutes corresponding with the detail routing iinformation by the public network outlet device
External connection server is stated, so that the external connection server responds the request message.
Optionally, described according to the target ip address, find out issued outward by the public network outlet device with institute
Before the step of stating target ip address corresponding detail routing iinformation further include:
Obtain the detail routing iinformation corresponding with the target ip address that the public network outlet device is issued outward；
Store the detail routing iinformation got；Wherein, multiple addresses routing that the detail routing iinformation includes,
It is to be based on default dynamic routing protocol by multiple external connection servers corresponding with each public network outlet device to be sent to respectively
The public network outlet device.
Optionally, it is described by the public network outlet device forward the request message to the detail routing iinformation pair
The multiple external connection servers answered, so that after the step of external connection server responds the request message further include:
If the detail routing iinformation presence for detecting that the public network outlet device is issued outward updates, described in acquisition
The updated detail routing iinformation that public network outlet device is issued outward；
The detail routing iinformation of storage is replaced with into the updated detail routing iinformation, and is based on the update
Detail routing iinformation afterwards issues the request message received.
Optionally, it is described by the public network outlet device forward the request message to the detail routing iinformation pair
The multiple external connection servers answered, so that the external connection server includes: the step of responding the request message
Number based on the address routing that the detail routing iinformation includes, the flow of the request message is divided equally；
Request message after flow is divided equally passes through multiple public network outlet devices respectively and is forwarded, so as to be stated clearly
The thin corresponding multiple external connection servers of routing iinformation respond the request message of the public network outlet device forwarding.
In addition, the system comprises public network convergence device and the public networks the present invention also provides a kind of network access system
Multiple computer rooms of convergence device communication connection, the computer room includes public network outlet device and external connection server, multiple external connections
Server all has identical target ip address；
The public network outlet device, it is described for issuing detail routing iinformation corresponding with the target ip address outward
Detail routing iinformation includes the address routing of multiple external connection servers corresponding with the public network outlet device；
The public network convergence device, for receiving the request message for the target ip address of client transmission, and
According to the target ip address, find out being issued outward by the public network outlet device and corresponding with the target ip address
The detail routing iinformation；
The public network convergence device, be also used to forward by the public network outlet device request message to stated clearly
The corresponding multiple external connection servers of thin routing iinformation, so that the external connection server responds the request message.
Optionally, the system also includes the domain name system DNS servers connecting with the client communication；
The dns server for receiving the analysis request for target domain name of client transmission, and is based on the mesh
The unique mapping relations for marking domain name and the target ip address, return to the target ip address to the client, so that described
Client is based on established communication connection, and request message to the public network convergence that transmission carries the target ip address is set
It is standby.
Optionally, the external connection server, for sending the ground of the external connection server based on default dynamic routing protocol
Location routes to public network outlet device corresponding with the external connection server；
It is issuing outward with the target ip address to be also used to obtain the public network outlet device for the public network convergence device
Corresponding detail routing iinformation, and store the detail routing iinformation got.
Optionally, the computer room further includes being sequentially arranged in connecing between the external connection server and the public network outlet device
Enter layer network device, internal convergence layer equipment and external connection firewall；
The external connection server is also used to pass through the access layer network equipment based on the default dynamic routing protocol
The address for sending the external connection server routes to the internal convergence layer equipment；
The internal convergence layer equipment, for being established by the default dynamic routing protocol and the public network outlet device
Protocol neighbors, and be based on the established protocol neighbors, send address routing so that the address be routed through it is described
External connection firewall reaches the public network outlet device；
The public network outlet device, multiple addresses that the multiple external connection servers for being also used to receive are sent
Routing is distributed to the public network convergence device as the detail routing iinformation outward.
Optionally, the public network outlet device is also used to store the detail routing iinformation, and is based on preset update item
Part, the detail routing iinformation updated storage, and updated detail routing iinformation is distributed to the public network outward and is converged
Equipment；
The public network convergence device, if being also used to detect the updated detail routing of the public network outlet device publication
The detail routing iinformation of storage is then replaced with the updated detail routing iinformation, and is based on the update by information
Detail routing iinformation afterwards forwards the request message received.
Optionally, between the internal convergence layer equipment and the external connection firewall, the external connection firewall and the public affairs
Square shape networking is all made of between net outlet device to carry out the network interconnection or be all made of the chiasma type networking progress network interconnection.
Optionally, the network convergence device includes:
Equal sub-module, the number of the address routing for including based on the detail routing iinformation, by the request message
Flow divide equally；
Module is issued, passes through multiple public network outlet devices respectively for the request message after dividing equally flow and is turned
Hair, so that the corresponding multiple external connection servers of the detail routing iinformation respond the request of the public network outlet device forwarding
Message.
Optionally, the network access system includes at least two public network convergence devices, two public network convergence devices
The network interconnection is carried out using chiasma type networking between multiple public network outlet devices or network is carried out using square shape networking
Interconnection.
In addition, the present invention also proposes a kind of network access device, the equipment includes: memory, processor and is stored in
On the memory and the network access program that can run on the processor, network access program is by the processor
The step of Network Access Method as described above is realized when execution.
In addition, the present invention also proposes a kind of computer storage medium, net is stored on the computer readable storage medium
The step of network accesses program, and the network access program realizes Network Access Method as described above when being executed by processor.
In the present invention, the IP address of external connection server is identical in multiple computer rooms of corresponding same domain name, local dns clothes
Business device without perceive external connection server whether failure, need to only return to and the unique corresponding Target IP of target domain name of user's input
Address when client accesses the external connection server in computer room according to the target ip address, first sends request message and converges to public network
Equipment, since public network convergence device is stored with the address routing of external connection server in the corresponding multiple computer rooms of the target ip address,
Request message comprising target ip address is issued to the corresponding external connection server of address routing and accessed by public network convergence device,
If external connection server failure, public network outlet device will not issue the address routing of failure external connection server outward, i.e. public network converges
The address routing for the external connection server that poly- equipment is issued outward according only to public network outlet device takes to guide client to access external connection
Business device, realizes the automatic rejection of failure external connection server, does not depend on the parsing of dns server, meet high real-time business
It is required that.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of inventive network access method first embodiment；
Fig. 3 is the flow diagram of inventive network access method second embodiment；
Fig. 4 is the flow diagram of inventive network access method 3rd embodiment.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figure 1, Fig. 1 is the structural schematic diagram for the hardware running environment that the embodiment of the present invention is related to.
It should be noted that Fig. 1 can be the structural schematic diagram of the hardware running environment of network access device.The present invention is real
Applying a network access device can be PC, the terminal devices such as portable computer.
As shown in Figure 1, the network access device may include: processor 1001, such as CPU, network interface 1004, user
Interface 1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is for realizing the connection between these components
Communication.User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard), optional user
Interface 1003 can also include standard wireline interface and wireless interface.Network interface 1004 optionally may include having for standard
Line interface, wireless interface (such as WI-FI interface).Memory 1005 can be high speed RAM memory, be also possible to stable storage
Device (non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processing
The storage device of device 1001.
Network is accessed it will be understood by those skilled in the art that network access device structure shown in Fig. 1 is not constituted
The restriction of equipment may include perhaps combining certain components or different component cloth than illustrating more or fewer components
It sets.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage medium
Believe that module, Subscriber Interface Module SIM and network access program.Wherein, operating system is to manage and control network access device hardware
With the program of software resource, the operation of network access program and other softwares or program is supported.
In network access device shown in Fig. 1, user interface 1003 is mainly used for carrying out data communication with each terminal；
Network interface 1004 is mainly used for connecting background server, carries out data communication with background server；And processor 1001 can be with
For calling the network stored in memory 1005 to access program, and execute following operation:
Receive the request message for the target ip address that client is sent；
According to the target ip address, find out issuing outward with the target ip address by the public network outlet device
Corresponding detail routing iinformation；
Forward the request message to multiple institutes corresponding with the detail routing iinformation by the public network outlet device
External connection server is stated, so that the external connection server responds the request message.
Further, described according to the target ip address, find out issued outward by the public network outlet device with
Before the step of target ip address corresponding detail routing iinformation, processor 1001 can be also used for calling memory 1005
The network of middle storage accesses program, and executes following steps:
Obtain the detail routing iinformation corresponding with the target ip address that the public network outlet device is issued outward；
Store the detail routing iinformation got.
Further, it is described by the public network outlet device forward the request message to the detail routing iinformation
Corresponding multiple external connection servers, so that after the step of external connection server responds the request message, processor
1001 can be also used for calling the network access program stored in memory 1005, and execute following steps:
If the detail routing iinformation presence for detecting that the public network outlet device is issued outward updates, described in acquisition
The updated detail routing iinformation that public network outlet device is issued outward；
The detail routing iinformation of storage is replaced with into the updated detail routing iinformation, and is based on the update
Detail routing iinformation afterwards issues the request message received.
Further, it is described by the public network outlet device forward the request message to the detail routing iinformation
Corresponding multiple external connection servers, so that the external connection server includes: the step of responding the request message
Number based on the address routing that the detail routing iinformation includes, the flow of the request message is divided equally；
Request message after flow is divided equally passes through multiple public network outlet devices respectively and is forwarded, so as to be stated clearly
The thin corresponding multiple external connection servers of routing iinformation respond the request message of the public network outlet device forwarding.
Based on above-mentioned structure, each embodiment of inventive network access method is proposed.
It is the flow diagram of inventive network access method first embodiment referring to Fig. 2, Fig. 2.
The embodiment of the invention provides the embodiments of Network Access Method, it should be noted that although showing in flow charts
Go out logical order, but in some cases, it can be with the steps shown or described are performed in an order that is different from the one herein.
The present embodiment Network Access Method is applied to public network convergence device, and the public network convergence device and multiple computer rooms are logical
Letter connection, the computer room includes public network outlet device and external connection server, and multiple external connection servers all have identical mesh
IP address is marked, the present embodiment Network Access Method includes:
Step S100 receives the request message for the target ip address that client is sent；The target ip address
It is that the target domain name that domain name system DNS server is sent according to the client is back to the client.
In the prior art, internet prefecture typically passes through this in application active/standby server and more framework deployment living
Ground dns server parses, and is cached with mapping relations one-to-many between domain name and computer room IP address in local dns server, i.e.,
It is different for the IP address of the same multiple computer rooms of service；After user inputs domain name, local dns server can return to use
One, family end IP address guides the user to access the external connection server in the corresponding computer room of the IP address, however, returning to user
The corresponding external connection server of the IP address at end whether there is failure, and local dns server can not perceive in time；Only when with
After family accesses external connection server failure according to the IP address of return, local dns server ability is updated with authoritative server communication
The mapping relations of local dns server caching, problem of the existing technology have: local dns server can not perceive outer in time
Join the failure of server, relies on authoritative server detection failure node, there is a second class survey time delay, be unable to satisfy high real-time industry
Business requires；Local dns cache flush is not that in real time, local dns will lead to failure external connection server to industry because refreshing not in time
Business makes a big impact；Equipment fault caused by each local dns refresh is related to a large amount of different institutions and region, relevant treatment hand
Section is cumbersome and inefficient quickly thoroughly to be solved.
In the present embodiment, public network convergence device and public network outlet device may each be interchanger, public network convergence device and more
A computer room communicates to connect, and the computer room includes public network outlet device and external connection server, and multiple external connection servers have
There is identical target ip address, the multiple computer rooms of the present embodiment externally provide identical service, and multiple external connection services in computer room
Device all has identical target ip address, outside the public network outlet device and computer room that the external connection server inside computer room passes through the computer room
Portion's outbound communication, even the present embodiment computer room different for the same service is also externally provided using identical IP address is unified
Service, client communication are connected with local dns server, and what local dns server reception client was sent is directed to target domain name
Analysis request after, according to unique mapping relations of target domain name and the target ip address, return to the target ip address to visitor
Family end accesses external connection server for it, and local dns server only records a pair of of mapping relations, the i.e. domain name mapping of target domain name
Record is unified for the target ip address, local dns server without perceive external connection server whether failure, only need to return to and use
Uniquely corresponding target ip address, client access in corresponding computer room according to the target ip address target domain name of family input
External connection server carries out detection refreshing, and domain name solution without local dns server when certain external connection server failure in computer room
Analysis result remains unchanged, dependence of the business convergence to domain name analysis system when getting rid of failure.
Step S200, according to the target ip address, find out issued outward by the public network outlet device with it is described
The corresponding detail routing iinformation of target ip address；The detail routing iinformation includes the address road of multiple external connection servers
By；
Specifically, in the present embodiment, the public network outlet device of the external connection server in computer room and the computer room is in same
In local area network, the address that external connection server sends itself routes to public network outlet device；As an implementation, external connection service
Device, which can be, is sent to public network outlet device for the routing of its address by dynamic routing protocol, and dynamic routing protocol can be IGP
One or more kinds of combinations of (Interior Gateway Protocol, Interior Gateway Protocol)；It is understood that computer room
The address that interior multiple external connection servers constantly send itself simultaneously routes to public network outlet device, and public network outlet device often connects
The address routing for receiving primary multiple external connection servers while sending, just routes the multiple addresses received to form detail routing
Information is issued once outward, and public network convergence device just updates the primary address that it is stored routing after getting the detail routing iinformation
Summary information, and user is guided according to updated address Route summary to access external connection server.
It is understood that external connection server will be unable to send out under the scene of a certain external connection server failure of the present embodiment
It gives the address of itself to route to public network outlet device, the external connection server will be cancelled in the detail routing iinformation of public network outlet device
Address routing, stop publication outward, corresponding external connection service in the detail routing iinformation that public network convergence device receives as a result,
Device is the server of normal work, realizes the fast convergence of computer room outlet automatic linkage revocation server routing, realizes
The automatic rejection of failure external connection server.
In the present embodiment, the request message that client is sent reaches public network convergence device, as an implementation, public network
Convergence device is built using BGP (Border Gateway Protocol, Border Gateway Protocol) and each computer room public network outlet device
Vertical protocol neighbors, also establish protocol neighbors using BGP and operator.Public network convergence device issues address Route summary to operator
For draining, and pass through the detail routing iinformation of receiving house public network outlet device, realizes and visit the client drained from operator
Ask that flow is forwarded to inside computer room and eventually arrives at external connection server.The present embodiment uses two public network convergence devices and each machine
The public network outlet device in room is cross interconnected, and using intersection or square shape networking mode and the public network network interconnection, therefore ensures that
The stabilization of computer room ectonexine dynamic protocol, in other embodiments, the quantity of public network convergence device is also possible to other quantity,
It is not particularly limited herein.
Further, different computer room external connection servers are all made of identical IP address and externally provide service, and public network convergence is set
Standby source address and destination address by request message is forwarded, due to the consistent former visit to end user flow of destination address
Different computer rooms can be assigned to according to source address, realize flow load balance, when any server in machine room failure or public network outlet are set
When standby failure, public network convergence device is routed due to can not receive the address of failed server, and the address of public network convergence device, which routes, converges
Real-time update will be always realized, hereby it is achieved that the automatic rejection fault point under fault scenes.
Step S300 forwards the request message extremely corresponding with the detail routing iinformation by the public network outlet device
Multiple external connection servers so that the external connection server responds the request message.
The request message that client is sent reaches public network convergence device, and public network convergence device is stored with the target ip address pair
In the multiple computer rooms answered external connection server address routing, public network convergence device by request message be issued to address routing it is corresponding
External connection server accesses.
Public network convergence device of the present invention is communicated to connect with multiple computer rooms, and the computer room includes public network outlet device and external connection
Server, multiple external connection servers all have identical target ip address, and public network convergence device receives client hair first
The request message for the target ip address sent；The target ip address is domain name system DNS server according to the visitor
The target domain name that family end is sent is back to the client；According to the target ip address, finds out and exported by the public network
The detail routing iinformation corresponding with the target ip address that equipment is issued outward；The detail routing iinformation includes multiple described
The address of external connection server routes；The request message is forwarded to route letter to the detail by the public network outlet device again
Corresponding multiple external connection servers are ceased, so that the external connection server responds the request message；Same domain is corresponded to as a result,
The IP address of external connection server is identical in multiple computer rooms of name, and whether local dns server is without perceiving external connection server
Failure need to only return to the target domain name inputted with user uniquely corresponding target ip address, and client is according to the Target IP
When location accesses the external connection server in computer room, request message is sent to public network convergence device, public network convergence device is stored with the mesh
The address routing of external connection server in the corresponding multiple computer rooms of IP address is marked, request message is issued to address by public network convergence device
It routes corresponding external connection server to access, if external connection server failure, public network outlet device will not issue failure outward
The address of external connection server routes, i.e. address routing guidance user of the public network convergence device according only to the external connection server got
External connection server is accessed, the automatic rejection of failure external connection server is realized, does not depend on the parsing of dns server, meet height
Real-time service requirement.
Further, inventive network access method second embodiment is proposed.
It is the flow diagram of inventive network access method second embodiment referring to Fig. 3, Fig. 3, is visited based on above-mentioned network
Ask method first embodiment, in the present embodiment, step S200 finds out and exported by the public network according to the target ip address
Before the step of detail routing iinformation corresponding with the target ip address that equipment is issued outward further include:
Step S110 obtains detail corresponding with the target ip address routing that the public network outlet device is issued outward
Information；
Step S120 stores the detail routing iinformation got；Wherein, what the detail routing iinformation included is multiple
Address routing is that default dynamic routing association is based on by multiple external connection servers corresponding with each public network outlet device respectively
View is sent to the public network outlet device.
In the present embodiment, specifically, client communication is connected with domain name system DNS server, and client receives user
It sends domain name analysis request to dns server after the domain name of input to parse, local dns server receives the needle that client is sent
To the analysis request of target domain name；The multiple computer rooms of the present embodiment externally provide identical service, and the external connection in each computer room
Server all has identical IP address, and local dns server only records a pair of of mapping relations, the i.e. domain name mapping of target domain name
Record is unified for the target ip address, and local dns server returns to and the unique corresponding target ip address of the target domain name
To client, client is to send to carry the access request message of the target ip address to public network convergence device.
Further, in this embodiment the external connection server and public network outlet device in the same computer room are in same office
Domain net, external connection server run default dynamic routing protocol in local area network, the default dynamic routing protocol can be by
Network management personnel's setting, which can be IGP (Interior Gateway Protocol, inside
Gateway protocol) one or more kinds of combinations, the address routing of itself is sent to by dynamic routing protocol external connection server
Public network outlet device, in the present embodiment, the granularity of the address routing of external connection server is 32 bitmask ranks, has abandoned biography
The mode of computer room network segment convergence publication is subsequent independent service since IP address mask supports the publication of 32 bitmasks in system mode
Device cluster or single application failure provide fining isolating power；The public network outlet device of each computer room receives more in the computer room
After multiple addresses routing that a external connection server is sent, then multiple addresses are routed outside as the detail routing iinformation of the computer room
Publication is for draining, it is to be understood that the external connection server that each address routing is guided is to have same target in computer room
IP address and without failure external connection server.
Public network convergence device obtains the detail corresponding with the target ip address that the public network outlet device is issued outward
Routing iinformation, and store the detail routing iinformation got, it is to be understood that target is stored in public network convergence device
The detail routing iinformation of the corresponding multiple computer rooms of IP address, i.e., the detail routing iinformation stored in public network convergence device are same clothes
The summation of the address routing of each computer room external connection server under business.When a certain external connection server failure, then the failed server is not
The address routing of itself can be sent to public network outlet device, public network outlet device based on dynamic routing protocol preset in computer room
The address routing of the failed server will be cancelled from detail routing iinformation, the detail routing iinformation of public network convergence device is to be based on
The detail updating route information of public network outlet device publication, hereby it is achieved that the automatic rejection of failed server.
Further, in the present embodiment, step S300 forwards the request message extremely by the public network outlet device
Multiple external connection servers corresponding with the detail routing iinformation, so that the external connection server responds the request message
The step of after further include:
Step S310, if detecting there is update in the detail routing iinformation that the public network outlet device is issued outward,
Then obtain the updated detail routing iinformation that the public network outlet device is issued outward；
The detail routing iinformation of storage is replaced with the updated detail routing iinformation, and base by step S320
The request message received is issued in the updated detail routing iinformation.
Specifically, the address that multiple external connection servers in computer room constantly send itself simultaneously routes to the public affairs of the computer room
Net outlet device, the address routing that public network outlet device often receives primary multiple external connection servers while sending, will just receive
To multiple addresses route and to form detail routing iinformation and issue outward once, public network convergence device gets the detail routing iinformation
The summary information of the address routing of its primary storage is just updated afterwards, and guides user to visit according to updated address Route summary
Ask corresponding external connection server, under the scene of a certain external connection server failure, external connection server will be unable to send the ground of itself
Location routes to public network outlet device, and the address road of the external connection server will be cancelled in the detail routing iinformation of public network outlet device
By stopping publication outward, corresponding external connection server is positive in the detail routing iinformation that public network convergence device receives as a result,
The server often to work realizes the fast convergence of computer room outlet automatic linkage revocation server routing, realizes failure external connection
The automatic rejection of server.
Further, the present embodiment computer room further include be sequentially arranged in the external connection server and the public network outlet device it
Between access layer network equipment, internal convergence layer equipment and external connection firewall；
External connection server is based on the default dynamic routing protocol, sends the external connection by the access layer network equipment
The address of server routes to the internal convergence layer equipment；Specifically, external connection server operation state Routing Protocol, in external connection
Set up dynamic routing protocol neighbours in server and access layer network equipment, external connection server by dynamic routing protocol by its
The address routing of itself is distributed to access layer network equipment；Access layer network equipment is by dynamic routing protocol, by the address road
By being published to internal convergence layer equipment, the present embodiment access layer network equipment, internal convergence layer equipment may each be interchanger.
Internal convergence layer equipment establishes protocol neighbors by the default dynamic routing protocol and the public network outlet device,
And the established protocol neighbors are based on, the address routing is sent, so that the address is routed through the external connection fire prevention
Wall reaches the public network outlet device；Internal convergence layer equipment establishes agreement neighbour by dynamic routing protocol and public network outlet device
It occupies, this protocol neighbors is established on the virtual interface of internal convergence layer equipment and public network outlet device, and distinct device interchanger is empty
Quasi- interface configures same local network sector address information, it is ensured that internal convergence layer equipment and public network outlet device are in same local area network
It is interior so that the dynamic routing protocol smoothly transmits.
Multiple address routings that public network outlet device sends the multiple external connection servers received are as bright
Thin routing iinformation is distributed to the public network convergence device outward.
The present embodiment is based on demand for security and disposes external connection firewall between internal convergence layer equipment and public network outlet device
Message protection is carried out, external connection firewall is arranged to transparent external connection firewall, so that it allows dynamic routing protocol to pass through, thus protects
External connection firewall two sides have been demonstrate,proved to be in same local area network.The present embodiment is the stabilization for ensuring ectonexine dynamic routing protocol, interior
Portion's convergence layer equipment is all made of square shape networking to external connection firewall, external connection firewall to public network outlet device.To enhance link
Reliability, all inter-connection links use more member's binding modes, all bundle links of external connection firewall linkage, binding chain in office
It is switched under the equal fault condition of all member ports in road.
The dynamic routing protocol can be one or more kinds of combinations of IGP, combine in Different Dynamic Routing Protocol
Shi Caiyong routing daemon mutual conductance realizes the transmitting of routing, and public network outlet device operation bgp protocol simultaneously externally establishes protocol neighbors, public
The address Route summary of external connection server is issued guidance outward by bgp protocol come range of flow, backhaul traffic by net outlet device
Guidance is realized by transmitting default route step by step.
It should be noted that as an implementation, in other embodiments, internal convergence layer equipment to external connection is prevented fires
Wall, external connection firewall are all made of X-shape networking to public network outlet device, and run bgp protocol realization.Specifically, it is arranged two
Internal convergence layer equipment enables same switch virtual interface with two public network outlet devices, and configures the same network segment address,
Bgp protocol neighbours are established between interchanger virtual interface two-by-two, this implementation is not particularly limited the networking mode.
If it exists when external connection server failure, public network outlet device not will receive the address routing of failed server, yet
The address for not sending failed server routes to public network convergence device, thus completes the rejecting of failed server, and user requests stream
Amount then only reaches the external connection server that the address that public network convergence device receives routes corresponding normal operation.
The present embodiment is realized by way of external connection server inside computer room and the linkage of public network outlet device when in computer room
Certain external connection server failure, local dns server is without carrying out fault-finding, and domain name mapping result also remains unchanged, Ji Ketong
It crosses external connection server and the linkage of public network outlet device cancels the publication of failed server address routing, realize failure external connection clothes
The automatic rejection of business device, avoids local dns domain name and is cached with what user brought by the address of failed server can not access
Problem, dependence of the business convergence to domain name analysis system when getting rid of access fault, it is ensured that externally routing of the publication for drainage
Information is the address routing of available external connection server, meets high real-time business need.
Further, inventive network access method 3rd embodiment is proposed.
It is the flow diagram of inventive network access method 3rd embodiment referring to Fig. 4, Fig. 4, is visited based on above-mentioned network
Ask method second embodiment, in the present embodiment, step S300, by the public network outlet device forward the request message to
The corresponding multiple external connection servers of the detail routing iinformation, so that the external connection server responds the request message
Step includes:
Step S301, the number based on the address routing that the detail routing iinformation includes, by the stream of the request message
Amount is divided equally；
Step S302, the request message after flow is divided equally pass through multiple public network outlet devices respectively and are forwarded,
So that the corresponding multiple external connection servers of the detail routing iinformation respond the request report of the public network outlet device forwarding
Text.
In the present embodiment, the public network convergence device is at least two, and the failure due to public network convergence device is avoided to cause
Access fault, between two public network convergence devices and multiple public network outlet devices using chiasma type networking carry out network it is mutual
Connection uses the square shape networking progress network interconnection, and in the present embodiment, public network convergence device uses BGP Routing Protocol and each machine
The public network outlet device in room establishes protocol neighbors, also establishes protocol neighbors using BGP and operator.Public network convergence device is to operation
Quotient's publication summarizes detail routing iinformation for draining, and passes through the detail routing iinformation of receiving house public network outlet device, realizes
Flow is forwarded to inside computer room and eventually arrives at server.Wherein, the external connection server of different computer rooms uses identical Target IP
Address externally provides service, and public network convergence device makes requests the flow of message by the source address and destination address of request message
Forwarding, for the same target domain name, it is the Target IP that the destination address that the request message of all user terminals carries is consistent
Address, therefore flowing of access can assign to each external connection server of different computer rooms according to source address, realize flow load balance.
In addition, the embodiment of the present invention also proposes a kind of network access system, the system comprises public network convergence devices and institute
Multiple computer rooms of public network convergence device communication connection are stated, the computer room includes public network outlet device and external connection server, Duo Gesuo
It states external connection server and all has identical target ip address；
The public network outlet device, it is described for issuing detail routing iinformation corresponding with the target ip address outward
Detail routing iinformation includes the address routing of multiple external connection servers corresponding with the public network outlet device；
The public network convergence device, for receiving the request message for the target ip address of client transmission, and
According to the target ip address, find out being issued outward by the public network outlet device and corresponding with the target ip address
The detail routing iinformation；
The public network convergence device, be also used to forward by the public network outlet device request message to stated clearly
The corresponding multiple external connection servers of thin routing iinformation, so that the external connection server responds the request message.
Preferably, the system also includes the domain name system DNS servers connecting with the client communication；
The dns server for receiving the analysis request for target domain name of client transmission, and is based on the mesh
The unique mapping relations for marking domain name and the target ip address, return to the target ip address to the client, so that described
Client is based on established communication connection, and request message to the public network convergence that transmission carries the target ip address is set
It is standby.
Preferably, the external connection server, for sending the ground of the external connection server based on default dynamic routing protocol
Location routes to public network outlet device corresponding with the external connection server；
It is issuing outward with the target ip address to be also used to obtain the public network outlet device for the public network convergence device
Corresponding detail routing iinformation, and store the detail routing iinformation got.
Preferably, the computer room further includes being sequentially arranged in connecing between the external connection server and the public network outlet device
Enter layer network device, internal convergence layer equipment and external connection firewall；
The external connection server is also used to pass through the access layer network equipment based on the default dynamic routing protocol
The address for sending the external connection server routes to the internal convergence layer equipment；
The internal convergence layer equipment, for being established by the default dynamic routing protocol and the public network outlet device
Protocol neighbors, and be based on the established protocol neighbors, send address routing so that the address be routed through it is described
External connection firewall reaches the public network outlet device；
The public network outlet device, multiple addresses that the multiple external connection servers for being also used to receive are sent
Routing is distributed to the public network convergence device as the detail routing iinformation outward.
Preferably, the public network outlet device is also used to store the detail routing iinformation, and is based on preset update item
Part, the detail routing iinformation updated storage, and updated detail routing iinformation is distributed to the public network outward and is converged
Equipment；
The public network convergence device, if being also used to detect the updated detail routing of the public network outlet device publication
The detail routing iinformation of storage is then replaced with the updated detail routing iinformation, and is based on the update by information
Detail routing iinformation afterwards forwards the request message received.
Preferably, between the internal convergence layer equipment and the external connection firewall, the external connection firewall and the public affairs
Square shape networking is all made of between net outlet device to carry out the network interconnection or be all made of the chiasma type networking progress network interconnection.
Preferably, the network convergence device includes:
Equal sub-module, the number of the address routing for including based on the detail routing iinformation, by the request message
Flow divide equally；
Module is issued, passes through multiple public network outlet devices respectively for the request message after dividing equally flow and is turned
Hair, so that the corresponding multiple external connection servers of the detail routing iinformation respond the request of the public network outlet device forwarding
Message.
Preferably, the network access system includes at least two public network convergence devices, two public network convergence devices
The network interconnection is carried out using chiasma type networking between multiple public network outlet devices or network is carried out using square shape networking
Interconnection.
Network Access Method as described above is realized when the network access system modules operation that the present embodiment proposes
Step, details are not described herein.
In addition, the embodiment of the present invention also proposes a kind of computer readable storage medium, net is stored on the storage medium
The step of network accesses program, and the network access program realizes Network Access Method as described above when being executed by processor.
Wherein, the network access program run on the processor is performed realized method and can refer to the present invention
The each embodiment of Network Access Method, details are not described herein again.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (14)
1. a kind of Network Access Method, which is characterized in that be applied to public network convergence device, the public network convergence device and multiple machines
Room communicates to connect, and the computer room includes public network outlet device and external connection server, and multiple external connection servers all have phase
With target ip address, the Network Access Method the following steps are included:
Receive the request message for the target ip address that client is sent；The target ip address is domain name system DNS
The target domain name that server is sent according to the client is back to the client；
According to the target ip address, find out issued outward by the public network outlet device it is corresponding with the target ip address
Detail routing iinformation；The detail routing iinformation includes the address routing of multiple external connection servers；
Forward the request message extremely corresponding with the detail routing iinformation multiple described outer by the public network outlet device
Join server, so that the external connection server responds the request message.
2. Network Access Method as described in claim 1, which is characterized in that it is described according to the target ip address, it finds out
It is also wrapped before the step of detail routing iinformation corresponding with the target ip address issued outward by the public network outlet device
It includes:
Obtain the detail routing iinformation corresponding with the target ip address that the public network outlet device is issued outward；
Store the detail routing iinformation got；Wherein, multiple addresses routing that the detail routing iinformation includes, respectively
Be be based on by multiple external connection servers corresponding with each public network outlet device default dynamic routing protocol be sent to it is described
Public network outlet device.
3. Network Access Method as claimed in claim 2, which is characterized in that described to forward institute by the public network outlet device
Request message is stated to multiple external connection servers corresponding with the detail routing iinformation, so that the external connection server responds
After the step of request message further include:
If detecting there is update in the detail routing iinformation that the public network outlet device is issued outward, obtain the public network
The updated detail routing iinformation that outlet device is issued outward；
The detail routing iinformation of storage is replaced with into the updated detail routing iinformation, and based on described updated
Detail routing iinformation issues the request message received.
4. Network Access Method as described in any one of claims 1-3, which is characterized in that described to be set by public network outlet
It is standby to forward the request message to multiple external connection servers corresponding with the detail routing iinformation, so that the external connection takes
Business device respond the request message the step of include:
Number based on the address routing that the detail routing iinformation includes, the flow of the request message is divided equally；
Request message after flow is divided equally passes through multiple public network outlet devices respectively and is forwarded, so that the detail road
The request message of the public network outlet device forwarding is responded by the corresponding multiple external connection servers of information.
5. a kind of network access system, which is characterized in that the system comprises public network convergence device and the public network convergence devices
Multiple computer rooms of communication connection, the computer room includes public network outlet device and external connection server, and multiple external connection servers are equal
Target ip address having the same；
The public network outlet device, for issuing detail routing iinformation corresponding with the target ip address, the detail outward
Routing iinformation includes the address routing of multiple external connection servers corresponding with the public network outlet device；
The public network convergence device, the request message for the target ip address sent for receiving client, and according to
The target ip address is found out being issued outward by the public network outlet device and corresponding with the target ip address described
Detail routing iinformation；
The public network convergence device, be also used to forward by the public network outlet device request message to the detail road
By the corresponding multiple external connection servers of information, so that the external connection server responds the request message.
6. network access system as claimed in claim 5, which is characterized in that the system also includes with the client communication
The domain name system DNS server of connection；
The dns server for receiving the analysis request for target domain name of client transmission, and is based on the aiming field
Unique mapping relations of name and the target ip address, return to the target ip address to the client, so that the client
End group is sent and carries the request message of the target ip address to the public network convergence device in established communication connection.
7. network access system as claimed in claim 5, which is characterized in that the external connection server, for based on default dynamic
State Routing Protocol, the address for sending the external connection server route to public network outlet device corresponding with the external connection server；
The public network convergence device, be also used to obtain the public network outlet device issue outward it is corresponding with the target ip address
Detail routing iinformation, and store the detail routing iinformation that gets.
8. network access system as claimed in claim 7, which is characterized in that the computer room further includes being sequentially arranged in the external connection
Access layer network equipment, internal convergence layer equipment and external connection firewall between server and the public network outlet device；
The external connection server is also used to send based on the default dynamic routing protocol by the access layer network equipment
The address of the external connection server routes to the internal convergence layer equipment；
The internal convergence layer equipment, for establishing agreement by the default dynamic routing protocol and the public network outlet device
Neighbours, and the established protocol neighbors are based on, the address routing is sent, so that the address is routed through the external connection
Firewall reaches the public network outlet device；
The public network outlet device, multiple address routings that the multiple external connection servers for being also used to receive are sent
It is distributed to the public network convergence device outward as the detail routing iinformation.
9. network access system as claimed in claim 8, which is characterized in that the public network outlet device is also used to store institute
It states thin routing iinformation clearly, and is based on preset update condition, the detail routing iinformation updated storage, and will be updated bright
Thin routing iinformation is distributed to the public network convergence device outward；
The public network convergence device, if being also used to detect the updated detail routing letter of the public network outlet device publication
The detail routing iinformation of storage is then replaced with the updated detail routing iinformation by breath, and based on after the update
Detail routing iinformation forward the request message that receives.
10. network access system as claimed in claim 8, which is characterized in that the internal convergence layer equipment and the external connection
Be all made of between firewall, between the external connection firewall and the public network outlet device square shape networking carry out the network interconnection or
It is all made of chiasma type networking and carries out the network interconnection.
11. such as the described in any item network access systems of claim 5-10, which is characterized in that the network convergence device packet
It includes:
Equal sub-module, the number of the address routing for including based on the detail routing iinformation, by the stream of the request message
Amount is divided equally；
Module is issued, passes through multiple public network outlet devices respectively for the request message after dividing equally flow and is forwarded,
So that the corresponding multiple external connection servers of the detail routing iinformation respond the request report of the public network outlet device forwarding
Text.
12. such as the described in any item network access systems of claim 5-10, which is characterized in that the network access system includes
At least two public network convergence devices use chiasma type between two public network convergence devices and multiple public network outlet devices
Networking carries out the network interconnection or carries out the network interconnection using square shape networking.
13. a kind of network access device, which is characterized in that the equipment includes: memory, processor and is stored in the storage
On device and the network access program that can run on the processor, reality when network access program is executed by the processor
Now the step of Network Access Method according to any one of claims 1 to 4.
14. a kind of computer storage medium, which is characterized in that be stored with network access journey on the computer readable storage medium
Sequence, the network access program realize Network Access Method according to any one of claims 1 to 4 when being executed by processor
The step of.
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