CN108462623A

CN108462623A - A kind of efficient data center network implementation method

Info

Publication number: CN108462623A
Application number: CN201810235916.3A
Authority: CN
Inventors: 王晓喃
Original assignee: Changshu Institute of Technology
Current assignee: Changshu Institute of Technology
Priority date: 2018-03-21
Filing date: 2018-03-21
Publication date: 2018-08-28
Anticipated expiration: 2038-03-21
Also published as: CN108462623B

Abstract

The present invention provides a kind of efficient data center network implementation method, the network includes a data backbone, more than two data subnets and more than two access subnets；One data backbone includes controller and core router, and each controller and core router respectively have unique geographical coordinate；It is the integer more than 1 that one core router, which has R1 interface, R1, and there are one interface, the interface of controller is connected a controller tool with the interface of a core router；The network implementation approach that each node in the data center network is provided through the invention, can quick obtaining data, to which service performance be greatly improved.Present invention can apply to the numerous areas such as traffic prosecution and agricultural engineerization, are with a wide range of applications.

Description

A kind of efficient data center network implementation method

Technical field

The present invention relates to a kind of implementation method more particularly to a kind of efficient data center network implementation methods.

Background technology

Forwarding and routing by intermediate node are communicated between node in data center network to realize, therefore, are realized It is exactly to reduce data transfer delay that data center network, which needs one of the key technology solved, to allow users to quick obtaining Network service.With the development of network technology, data center network can become the following one mode for providing service.

Currently, the implementation pattern of data center network is realized by broadcasting, therefore delay and cost are all bigger, drop Low network service performance.Therefore, how to reduce data center network and provide delay and the cost of service as Recent study Hot issue.

Invention content

Goal of the invention：It is a kind of efficient the technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide Data center network implementation method.

Technical solution：The invention discloses a kind of efficient data center network implementation method, the network includes one Data backbone, more than two data subnets and more than two access subnets；One data backbone include controller and Core router, each controller and core router respectively have unique geographical coordinate；One core router has R1 A interface, R1 are integer more than 1, a controller tool there are one interface, the interface of controller and core router Interface is connected；

One data subnet includes data router and server, and a data router includes a Upstream Interface and R2 A downstream interface, R2 are the integer more than 1；Server includes an interface, and a downstream of the interface and data server connects Mouth is connected；Only have the Upstream Interface of a data router to be connected with an interface of core router in data subnet, the number It is known as master data router according to router；Each data router has unique geographical coordinate；

One access subnet includes couple in router, access node and mobile node, and there are one a couple in router tools Upstream Interface and R3 downstream interface, R3 are the integer more than 1；There are one wireless interfaces for one mobile node tool；One access There are one Upstream Interface and a downstream wireless interface, a downstream interfaces of the Upstream Interface and a couple in router for node It is connected, which is connected with the wireless interface Link of mobile node；Only there are one the upper of couple in router in access subnet Trip interface is connected with an interface of core router, which is known as main couple in router；Each couple in router There is unique geographical coordinate with access node；

Core router, data router, couple in router and access node are referred to as communication equipment；One communication is set Standby each Upstream Interface or downstream interface is by an interface ID unique mark；If a communication equipment has R4 downstream to connect Mouth and a Upstream Interface, then the interface ID of each downstream interface is j4,1~R4 of j4 values, the interface of each Upstream Interface ID is R4+1；

The interface ID of controller, server and mobile node is 1；

A kind of data are by a title unique mark；Mobile node is communicated by message, and a message includes title Domain, geographical coordinate domain, message type field, source interface ID set, purpose interface ID set and load；

Type of message is as shown in the table

Value of message types	Message name
		1	It gives out information
2	Data router gives out information
		3	Server gives out information
4	Information request message
		5	Info response message
6	Data request information
		7	Data response message

Core router, master data router, main couple in router and controller one controller table of common maintenance, one Controller list item is made of geographical coordinate, interface ID set and life cycle domain；

After one controller starts, it is periodically executed operations described below and establishes or update controller table：

Step 101：Start；

Step 102：Controller gives out information, and during this gives out information, title thresholding is sky, and geographical coordinate thresholding is equal to The coordinate of controller, type of message 1, source interface ID set and purpose interface ID set are sky, are loaded as sky；

Step 103：Judge whether that core router receives this and gives out information, the hair is received if it is core router Cloth message, thens follow the steps 104, no to then follow the steps 108；

Step 104：Core router is received from the interface f1 of oneself give out information after, interface f1 is added to the publication In message source interface ID set, and first element that interface f1 is gathered as source interface ID；Core router checks control Device table processed, if there is a controller list item, the geographical coordinate thresholding of the list item is equal to the geographical coordinate in giving out information, And interface ID set is equal to the source interface ID set to give out information, thens follow the steps 105, it is no to then follow the steps 106；

Step 105：The core router to give out information is received from interface f1 selects a controller list item, the list item Geographical coordinate thresholding is equal to the geographical coordinate in giving out information, and interface ID set is equal to the source interface ID collection to give out information It closes, sets the life cycle of the controller list item to maximum value, execute step 107；

Step 106：The core router to give out information is received from interface f1 creates a controller list item, the list item Geographical coordinate thresholding is equal to the geographical coordinate in giving out information, and interface ID set is equal to the source interface ID collection to give out information It closes, life cycle is set as maximum value；

Step 107：The core router that gives out information is received from interface f1 from each interface other than interface f1 It forwards this to give out information, executes step 103；

Step 108：Master data router, main couple in router or controller are received from interface e1 give out information after, Interface e1 is added to first element that in the source interface ID set that gives out information and interface e1 gathers as source interface ID； E1 is variable, saving interface value in the variable；Master data router, main couple in router or controller check controller Table, if there is a controller list item, the geographical coordinate thresholding of the list item is equal to the geographical coordinate in giving out information, and connects Mouth ID set is equal to the source interface ID set to give out information, then sets the life cycle of the controller list item to maximum value； Otherwise, the master data router to give out information is received from interface e1, main couple in router or controller create a control The geographical coordinate thresholding of device list item, the list item is equal to the geographical coordinate in giving out information, and interface ID set disappears equal to the publication The source interface ID set of breath, life cycle are set as maximum value；

Step 109：Terminate.

Controller table can be established or be updated to the above process to realize the correct communication of data.

In the method for the invention, core router, master data router, main couple in router and controller are safeguarded jointly One master data table of router, a master data router list item are made of geographical coordinate, interface ID set and life cycle domain；

After one master data router startup, it is periodically executed operations described below and establishes or update master data table of router：

Step 201：Start；

Step 202：Master data router transmission data router gives out information, during which gives out information, name Thresholding is referred to as empty, and geographical coordinate thresholding is equal to the geographical coordinate of master data router, type of message 2, source interface ID set and Purpose interface ID set is sky, is loaded as sky；

Step 203：Judge whether that core router receives the data router and gives out information, if it is core router It receives the data router to give out information, thens follow the steps 204, it is no to then follow the steps 208；

Step 204：Core router is received from the interface a1 of oneself after data router gives out information, and interface a1 is added Enter in giving out information source interface ID set to the data router, and first member that interface a1 is gathered as source interface ID Element；Core router checks master data table of router, if there is a master data router list item, the geographical coordinate of the list item Thresholding is equal to the geographical coordinate during the data router gives out information and interface ID set gives out information equal to the data router Source interface ID set, then follow the steps 205, it is no to then follow the steps 206；

Step 205：The core router that data router gives out information, which is received, from interface a1 selects a master data road By device list item, the geographical coordinate thresholding of the list item is equal to the geographical coordinate during the data router gives out information, and interface ID collection It closes and is equal to the source interface ID set that the data router gives out information, set the life cycle of the master data router list item to Maximum value executes step 207；

Step 206：The core router that data router gives out information, which is received, from interface a1 creates a master data road By device list item, the geographical coordinate thresholding of the list item is equal to the geographical coordinate during the data router gives out information, interface ID set Equal to the source interface ID set that the data router gives out information, life cycle is set as maximum value；

Step 207：Core router that data router gives out information is received from other than interface a1 from interface a1 Each interface forward the data router to give out information, execute step 203；

Step 208：Master data router, main couple in router or controller receive data router hair from interface a2 After cloth message, interface a2 is added to the data router and is given out information in source interface ID set, and using interface a2 as source First element of interface ID set；A2 is variable, saving interface value in the variable；Master data router, main access routing Device or controller check master data table of router, if there is a master data router list item, the geographical coordinate of the list item Thresholding is equal to the geographical coordinate during the data router gives out information, and interface ID set gives out information equal to the data router Source interface ID set, then set the life cycle of the master data router list item to maximum value；Otherwise, it is received from interface a2 The master data router to give out information to data router, main couple in router or controller create a master data router List item, the geographical coordinate thresholding of the list item are equal to the geographical coordinate during the data router gives out information, and interface ID set is equal to The source interface ID set that the data router gives out information, life cycle are set as maximum value；

Step 209：Terminate.

Master data table of router can be established or be updated to the above process to realize the correct communication of data.

In the method for the invention, each master data router and controller safeguard a server table, a clothes jointly Business device list item includes title-domain, geographical coordinate domain, interface ID set and life cycle domain；Data C1 by title NA1 unique marks, If server saves data C1, executes following processes and establish or update server table：

Step 301：Start；

Step 302：Server sends server and gives out information, and during which gives out information, title thresholding is run after fame title NA1, geographical coordinate thresholding are equal to the geographical coordinate of the server, type of message 3, source interface ID set and purpose interface ID collection Conjunction is sky, is loaded as sky；

Step 303：Judgement is that master data router or data router receive the server and give out information, if it is Master data router receives the server and gives out information, and thens follow the steps 305, no to then follow the steps 304；

Step 304：Data router is received from the interface f2 of oneself after server gives out information, and interface f2 is added to The server gives out information in source interface ID set, and first element that interface f2 is gathered as source interface ID；Data Router forwards the server to give out information from Upstream Interface, executes step 303；

Step 305：Master data router is received from oneself interface f3 after server gives out information, and interface f3 is added to The server gives out information in source interface ID set, and first element that interface f3 is gathered as source interface ID；Main number Server table is checked according to server, and if there is a server list item, the title thresholding of the list item is issued equal to the server The title of message, geographical coordinate thresholding is equal to the geographical coordinate during the server gives out information, and interface ID set is equal to the clothes The source interface ID set that business device gives out information, then set the life cycle of the server list item to maximum value；Otherwise, from interface F3 receives the master data router that server gives out information and creates a server list item, the title thresholding of the server list item Title in giving out information equal to the server, geographical coordinate thresholding are equal to the geographical coordinate during the server gives out information, connect Mouth ID set is equal to the source interface ID set that the server gives out information, and life cycle is set as maximum value；

Step 306：The master data router that server gives out information is received from interface f3 and checks controller table, for control Each controller list item in device table processed executes operations described below：What the master data router gave out information the server received Geographical coordinate is updated to the geographical coordinate of oneself, source interface ID set is set as empty, load is set as empty, by purpose interface ID Set is set as the interface ID set of the controller list item, and an interface, the interface ID of the interface is chosen to be equal to purpose interface ID First element in set, first element is deleted from purpose interface ID set, and server hair is sent from the interface chosen Cloth message；

Step 307：Judgement is that controller or core router receive the server and give out information, if it is core road The server is received by device to give out information, and thens follow the steps 308, it is no to then follow the steps 309；

Step 308：Core router is received from the interface f5 of oneself after server gives out information, and interface f5 is added to The server gives out information in source interface ID set, and first element that interface f5 is gathered as source interface ID；The core Heart router chooses an interface, and the interface ID of the interface is equal to first element in purpose interface ID set, from purpose interface First element is deleted in ID set, the server is sent from the interface chosen and gives out information, executes step 307；

Step 309：Controller is received from the interface e2 of oneself after server gives out information, and interface e2 is added to the clothes Business device gives out information in source interface ID set, and first element that interface e2 is gathered as source interface ID；The controller Check server table, if there is a server list item, the title thresholding of the list item is equal to the server publication received and disappears The title of breath, geographical coordinate thresholding is equal to the geographical coordinate during the server gives out information, and interface ID set is equal to the service The source interface ID set that device gives out information, then set the life cycle of the server list item to maximum value；Otherwise, the controller A server list item is created, the title thresholding of the list item is equal to the title during the server received gives out information, and geography is sat Mark thresholding is equal to the geographical coordinate during the server gives out information, and interface ID set is equal to the source interface that the server gives out information ID gathers, and life cycle is set as maximum value；

Step 310：Terminate.

Server table can be established or be updated to the above process to realize the correct communication of data.

In the method for the invention, if data C1, by title NA1 unique marks, mobile node MN 1 passes through following processes Obtain the server info of the nearest preservation data C1 of distance：

Step 401：Start；

Step 402：Mobile node MN 1 sends information request message, and the title thresholding of the information request message is NA1, disappears It is 4 to cease type, and geographical coordinate is that the current geographical coordinate of mobile node MN 1, source interface ID set and purpose interface ID set are equal It is empty for empty, load；

Step 403：Judgement is that main couple in router or couple in router receive the information request message, if master connects Enter router and receive the information request message, thens follow the steps 405, it is no to then follow the steps 404；

Step 404：Couple in router is added to this after the interface b2 of oneself receives information request message, by interface b2 In information request message source interface ID set, and first element that interface b2 is gathered as source interface ID；Access routing Device forwards the information request message from Upstream Interface, executes step 403；

Step 405：Interface b3 is added to by main couple in router after the interface b3 of oneself receives information request message In information request message source interface ID set, and first element that interface b3 is gathered as source interface ID；Main access Router checks controller table, selects a controller list item, the geographical coordinate of the list item and the information request message received In geographical coordinate distance recently, the purpose interface ID set in the information request message is updated to connecing for the controller list item Mouth ID set, the main couple in router choose an interface, the interface ID of the interface to be equal in purpose interface ID set first Element deletes first element from purpose interface ID set, the information request message is sent from the interface chosen；

Step 406：Judgement is that core router or controller receive the information request message, if core router The information request message is received, thens follow the steps 407, it is no to then follow the steps 408；

Step 407：Core router is added to this after the interface b4 of oneself receives information request message, by interface b4 In information request message source interface ID set, and first element that interface b4 is gathered as source interface ID；The core road One interface is chosen by device, the interface ID of the interface is equal to first element in purpose interface ID set, from purpose interface ID collection First element is deleted in conjunction, is sent the information request message from the interface chosen, is executed step 406；

Step 408：Controller is added to the information after the interface e3 of oneself receives information request message, by interface e3 In request message source interface ID set, and first element that interface e3 is gathered as source interface ID；The controller is checked Server table, selects a server list item, and the title of the list item is equal to the title of the information request message, and geographical coordinate with Geographical coordinate distance in the information request message is recently；The controller creates an info response message, which disappears The title of breath is equal to the title in the information request message received, and geographical coordinate is equal in the information request message received Geographical coordinate, type of message 5, source interface ID collection are combined into sky, and purpose interface ID set is equal to the information request message received In source interface ID set, load the server list item to choose；The controller chooses an interface, interface ID of the interface etc. First element in purpose interface ID set deletes first element from purpose interface ID set, from the interface hair chosen Give the info response message；

Step 409：Judgement is that mobile node MN 1 or communication equipment receive info response message, if mobile node MN1 receives info response message, thens follow the steps 411, no to then follow the steps 410；

Step 410：Communication equipment chooses an interface, the interface ID of the interface to be equal in the info response message received First element of purpose interface ID set is deleted first element from purpose interface ID set, is sent from the interface chosen The info response message executes step 409；

Step 411：Mobile node MN 1 preserves the server list item in info response message load；

Step 412：Terminate.

Mobile node by the above process being capable of quick obtaining data.

In the method for the invention, mobile node MN 1 executes step 401~412 and obtains distance recently and can provide data After the server list item SE1 of C1, data C1 is obtained by following processes：

Step 501：Start；

Step 502：The title thresholding of 1 transmission data request message of mobile node MN, the data request information is NA1, disappears It is 6 to cease type, and geographical coordinate is equal to geographical coordinate, source interface ID set and purpose interface ID set in server list item SE1 It is sky, loads as sky；

Step 503：Judgement is that main couple in router or couple in router receive the data request information, if master connects Enter router and receive the data request information, thens follow the steps 505, it is no to then follow the steps 504；

Step 504：Couple in router is added to this after the interface g2 of oneself receives data request information, by interface g2 In data request information source interface ID set, and first element that interface g2 is gathered as source interface ID；Access routing Device forwards the data request information from Upstream Interface, executes step 503；

Step 505：Interface g3 is added to by main couple in router after the interface g3 of oneself receives data request information In data request information source interface ID set and first element that interface g3 gathers as source interface ID；Main access routing Device checks master data table of router, selects a master data router list item, the geographical coordinate of the list item and the data received Geographical coordinate in request message is identical, and the purpose interface ID set in the data request information is updated to the master data service The interface ID set of device list item, the main couple in router choose an interface, the interface ID of the interface to be equal to purpose interface ID collection First element in conjunction deletes first element from purpose interface ID set, sends the request of data from the interface chosen and disappear Breath；

Step 506：Judge that master data router or core router receive the data request information, if core road The data request information is received by device, thens follow the steps 507, it is no to then follow the steps 508；

Step 507：Core router is added to the data after interface g4 receives data request information, by interface g4 and asks Seek first element that in message source interface ID set and interface g4 gathers as source interface ID；The core router chooses one A interface, the interface ID of the interface are equal to first element in purpose interface ID set, and the is deleted from purpose interface ID set One element sends the data request information from the interface chosen, executes step 506；

Step 508：Master data router is added to the data after interface g5 receives data request information, by interface g5 In request message source interface ID set, and first element that interface g5 is gathered as source interface ID；The master data is route Device checks server table, and a server list item, the title of the server list item is selected to be equal to the title of the data request information, And geographical coordinate and the geographical coordinate distance of oneself are recently；The master data router is by the purpose of the data request information received Interface ID set is updated to the interface ID set of the server list item, which chooses an interface, the interface Interface ID is equal to first element in purpose interface ID set, and first element is deleted from purpose interface ID set, from choosing Interface send the data request information；

Step 509：Judgement is that data router or server receive the data request information, if server receives To the data request information, 511 are thened follow the steps, it is no to then follow the steps 510；

Step 510：Data router is added to this after the interface g6 of oneself receives data request information, by interface g6 In data request information source interface ID set and first element that interface g6 gathers as source interface ID；The data router An interface is chosen, the interface ID of the interface is equal to first element in purpose interface ID set, from purpose interface ID set First element is deleted, the data request information is sent from the interface chosen, executes step 509；

Step 511：Server is added to the data after the interface g6 of oneself receives data request information, by interface g6 In request message source interface ID set, and first element that interface g6 is gathered as source interface ID；The server creates One data response message, the title of the data response message are equal to the title in the data request information received, and geography is sat Mark is equal to the geographical coordinate in the data request information received, type of message 7, and source interface ID collection is combined into sky, purpose interface ID set is equal to the source interface ID set in the data request information received, loads the data request information title to receive The data identified；The server chooses an interface, the interface ID of the interface to be equal to the mesh in the data response message of structure Interface ID set in first element, delete first element from purpose interface ID set, sent from the interface chosen The data response message；

Step 512：Judgement is that communication equipment or mobile node MN 1 receive data response message, if mobile node MN1 receives data response message, thens follow the steps 514, no to then follow the steps 513；

Step 513：Communication equipment chooses an interface, the interface ID of the interface to be equal in the data response message received First element of purpose interface ID set is deleted first element from purpose interface ID set, is sent from the interface chosen The data response message executes step 512；

Step 513：Mobile node MN 1 preserves the data in the load of data response message；

Step 514：Terminate.

Mobile node by the above process being capable of quick obtaining data.

Advantageous effect：The present invention provides a kind of efficient data center network implementation method, the data center networks In the network implementation approach that is provided through the invention of each node, can quick obtaining data, to be greatly improved Service performance.Present invention can apply to the numerous areas such as traffic prosecution and agricultural engineerization, are with a wide range of applications.

Description of the drawings

The present invention is done with reference to the accompanying drawings and detailed description and is further illustrated, of the invention is above-mentioned And/or otherwise advantage will become apparent.

Fig. 1 establishes controller table flow diagram to be of the present invention.

Fig. 2 establishes master data server table flow diagram to be of the present invention.

Fig. 3 establishes server table flow diagram to be of the present invention.

Fig. 4 is data communication flow journey schematic diagram of the present invention.

Fig. 5 is data acquisition flow diagram of the present invention.

Specific implementation mode：

The present invention provides a kind of efficient data center network implementation method, each section in the data center network The network implementation approach that is there is provided through the invention of point, can quick obtaining data, to which service performance be greatly improved.This Invention can be applied to the numerous areas such as traffic prosecution and agricultural engineerization, be with a wide range of applications.

Fig. 1 establishes controller table flow diagram to be of the present invention.The network include a data backbone, two A above data subnet and more than two access subnets；One data backbone includes controller and core router, often A controller and core router respectively have unique geographical coordinate；One core router has R1 interface, and R1 is big In 1 integer, there are one interface, the interface of controller is connected a controller tool with the interface of a core router；

The interface ID of controller, server and mobile node is 1；

Type of message is as shown in the table

Step 101：Start；

Step 108：Master data router, main couple in router or controller are received from interface e1 give out information after, Interface e1 is added to first element that in the source interface ID set that gives out information and interface e1 gathers as source interface ID； Master data router, main couple in router or controller check controller table, if there is a controller list item, the list item Geographical coordinate thresholding be equal to the geographical coordinate in giving out information, and interface ID set is equal to the source interface ID to give out information Set, then set the life cycle of the controller list item to maximum value；Otherwise, the main number to give out information is received from interface e1 According to router, main couple in router or controller create a controller list item, and the geographical coordinate thresholding of the list item is equal to should Geographical coordinate in giving out information, interface ID set are equal to the source interface ID set to give out information, and life cycle is set as most Big value；

Step 109：Terminate.

Fig. 2 establishes master data server table flow diagram to be of the present invention.Core router, master data router, Main couple in router and controller safeguard that a master data table of router, a master data router list item are sat by geography jointly Mark, interface ID set and life cycle domain are constituted；

Step 201：Start；

Step 208：Master data router, main couple in router or controller receive data router hair from interface a2 After cloth message, interface a2 is added to the data router and is given out information in source interface ID set, and using interface a2 as source First element of interface ID set；Master data router, main couple in router or controller check master data table of router, If there is a master data router list item, during the geographical coordinate thresholding of the list item gives out information equal to the data router Geographical coordinate, and interface ID set is equal to the source interface ID set that the data router gives out information, then route the master data The life cycle of device list item is set as maximum value；Otherwise, the master data road that data router gives out information is received from interface a2 By device, main couple in router or controller create a master data router list item, and the geographical coordinate thresholding of the list item is equal to The data router give out information in geographical coordinate, interface ID set is equal to the source interface ID that the data router gives out information Set, life cycle are set as maximum value；

Step 209：Terminate.

Fig. 3 establishes server table flow diagram to be of the present invention.Each master data router and controller are tieed up jointly A server table is protected, a server list item includes title-domain, geographical coordinate domain, interface ID set and life cycle domain；Number According to C1 by title NA1 unique marks, if server saves data C1, executes following processes and establish or update server Table：

Step 301：Start；

Step 310：Terminate.

Fig. 4 is data communication flow journey schematic diagram of the present invention.If data C1 is by title NA1 unique marks, movable joint Point MN1 obtains the server info of the nearest preservation data C1 of distance by following processes：

Step 401：Start；

Step 412：Terminate.

Fig. 5 is data acquisition flow diagram of the present invention.Mobile node MN 1 executes step 401~412 and obtains distance After server list item SE1 nearest and that data C1 can be provided, passes through following processes and obtain data C1：

Step 501：Start；

Step 514：Terminate.

Embodiment 1

Based on the simulation parameter of table 1, the present embodiment simulates a kind of efficient data center network in the present invention and realizes Method, performance evaluation are as follows：When transmitted data amount increases, the delay of data transmission increases, when transmitted data amount reduces, number Decline according to the delay of transmission, data acquisition average retardation is 1.4s.

1 simulation parameter of table

The present invention provides a kind of thinkings of efficient data center network implementation method, implement the technical solution There are many method and approach, the above is only a preferred embodiment of the present invention, it is noted that for the common of the art For technical staff, various improvements and modifications may be made without departing from the principle of the present invention, these are improved and profit Decorations also should be regarded as protection scope of the present invention.The available prior art of each component part being not known in the present embodiment is subject to reality It is existing.

Claims

1. a kind of efficient data center network implementation method, which is characterized in that the network include a data backbone, two A above data subnet and more than two access subnets；One data backbone includes controller and core router, often A controller and core router respectively have unique geographical coordinate；One core router has R1 interface, and R1 is big In 1 integer, there are one interface, the interface of controller is connected a controller tool with the interface of a core router；

One data subnet includes data router and server, and a data router includes under a Upstream Interface and R2 Interface is swum, R2 is the integer more than 1；Server includes an interface, a downstream interface phase of the interface and data server Even；Only have the Upstream Interface of a data router to be connected with an interface of core router in data subnet, the data road Master data router is known as by device；Each data router has unique geographical coordinate；

One access subnet includes couple in router, access node and mobile node, and there are one upstreams for a couple in router tool Interface and R3 downstream interface, R3 are the integer more than 1；There are one wireless interfaces for one mobile node tool；One access node There are one Upstream Interface and a downstream wireless interface, a downstream interface phases of the Upstream Interface and a couple in router Even, which is connected with the wireless interface Link of mobile node；Only there are one the upstreams of couple in router in access subnet Interface is connected with an interface of core router, which is known as main couple in router；Each couple in router and Access node has unique geographical coordinate；

Core router, data router, couple in router and access node are referred to as communication equipment；One communication equipment Each Upstream Interface or downstream interface are by an interface ID unique mark；If a communication equipment have R4 downstream interface and One Upstream Interface, then the interface ID of each downstream interface is j4, the interface ID of 1~R4 of j4 values, each Upstream Interface are R4+1；

The interface ID of controller, server and mobile node is 1；

A kind of data are by a title unique mark；Mobile node is communicated by message, message include title-domain, Manage coordinate domain, message type field, source interface ID set, purpose interface ID set and load；

Type of message is as shown in the table

Core router, master data router, main couple in router and controller safeguard a controller table, a control jointly Device list item is made of geographical coordinate, interface ID set and life cycle domain；

Step 101：Start；

Step 102：Controller gives out information, and during this gives out information, title thresholding is sky, and geographical coordinate thresholding is equal to control The coordinate of device, type of message 1, source interface ID set and purpose interface ID set are sky, are loaded as sky；

Step 103：Judge whether that core router receives this and gives out information, receiving the publication if it is core router disappears Breath, thens follow the steps 104, no to then follow the steps 108；

Step 104：Core router is received from the interface f1 of oneself give out information after, interface f1 is added to this and is given out information In source interface ID set, and first element that interface f1 is gathered as source interface ID；Core router checks controller Table, if there is a controller list item, the geographical coordinate thresholding of the list item is equal to the geographical coordinate in giving out information, and connects Mouthful ID set is equal to the source interface ID set to give out information, thens follow the steps 105, no to then follow the steps 106；

Step 105：The core router to give out information is received from interface f1 selects a controller list item, the geography of the list item Coordinate thresholding is equal to the geographical coordinate in giving out information, and interface ID set is equal to the source interface ID set to give out information, It sets the life cycle of the controller list item to maximum value, executes step 107；

Step 106：The core router to give out information is received from interface f1 creates a controller list item, the geography of the list item Coordinate thresholding is equal to the geographical coordinate in giving out information, and interface ID set is equal to the source interface ID set to give out information, raw The life period is set as maximum value；

Step 107：The core router to give out information is received from interface f1 to forward from each interface other than interface f1 This gives out information, and executes step 103；

Step 108：Master data router, main couple in router or controller are received from interface e1 give out information after, will connect Mouth e1 is added to first element that in the source interface ID set that gives out information and interface e1 gathers as source interface ID；Main number Controller table is checked according to router, main couple in router or controller, if there is a controller list item, the ground of the list item It manages coordinate thresholding and is equal to the geographical coordinate in giving out information, and interface ID set is equal to the source interface ID collection to give out information It closes, then sets the life cycle of the controller list item to maximum value；Otherwise, the master data to give out information is received from interface e1 Router, main couple in router or controller create a controller list item, and the geographical coordinate thresholding of the list item is equal to the hair Geographical coordinate in cloth message, interface ID set are equal to the source interface ID set to give out information, and life cycle is set as maximum Value；

Step 109：Terminate.

2. a kind of efficient data center network implementation method according to claim 1, which is characterized in that core is route Device, master data router, main couple in router and controller safeguard a master data table of router, a master data routing jointly Device list item is made of geographical coordinate, interface ID set and life cycle domain；

Step 201：Start；

Step 202：Master data router transmission data router gives out information, during which gives out information, title-domain Value is sky, and geographical coordinate thresholding is equal to the geographical coordinate of master data router, type of message 2, source interface ID set and purpose Interface ID set is sky, is loaded as sky；

Step 203：Judge whether that core router receives the data router and gives out information, is received if it is core router It gives out information to the data router, thens follow the steps 204, it is no to then follow the steps 208；

Step 204：Core router is received from the interface a1 of oneself after data router gives out information, and interface a1 is added to The data router gives out information in source interface ID set, and first element that interface a1 is gathered as source interface ID； Core router checks master data table of router, if there is a master data router list item, the geographical coordinate domain of the list item Value is equal to the geographical coordinate during the data router gives out information and interface ID set is equal to what the data router gave out information Source interface ID set, thens follow the steps 205, no to then follow the steps 206；

Step 205：The core router that data router gives out information, which is received, from interface a1 selects a master data router List item, the geographical coordinate thresholding of the list item are equal to the geographical coordinate during the data router gives out information, and interface ID set etc. In the source interface ID set that the data router gives out information, the life cycle of the master data router list item is set as maximum Value executes step 207；

Step 206：The core router that data router gives out information, which is received, from interface a1 creates a master data router List item, the geographical coordinate thresholding of the list item are equal to the geographical coordinate during the data router gives out information, and interface ID set is equal to The source interface ID set that the data router gives out information, life cycle are set as maximum value；

Step 207：Core router that data router gives out information is received from every other than interface a1 from interface a1 A interface forwards the data router to give out information, and executes step 203；

Step 208：Master data router, main couple in router or controller receive data router publication from interface a2 and disappear After breath, interface a2 is added to the data router and is given out information in source interface ID set, and using interface a2 as source interface First element of ID set；Master data router, main couple in router or controller check master data table of router, if There are a master data router list item, the geographical coordinate thresholding of the list item is equal to the geography during the data router gives out information Coordinate, and interface ID set is equal to the source interface ID set that the data router gives out information, then by the master data table of router The life cycle of item is set as maximum value；Otherwise, the master data router that data router gives out information is received from interface a2, Main couple in router or controller create a master data router list item, and the geographical coordinate thresholding of the list item is equal to the data Router give out information in geographical coordinate, interface ID set is equal to the source interface ID set that the data router gives out information, Life cycle is set as maximum value；

Step 209：Terminate.

3. a kind of efficient data center network implementation method according to claim 2, which is characterized in that each master data Router and controller safeguard that a server table, a server list item include title-domain, geographical coordinate domain, interface ID jointly Set and life cycle domain；Data C1 is by title NA1 unique marks, if server saves data C1, executes following mistakes Cheng Jianli or update server table：

Step 301：Start；

Step 302：Server sends server and gives out information, and during which gives out information, title thresholding, which is run after fame, claims NA1, ground The geographical coordinate that coordinate thresholding is equal to the server, type of message 3 are managed, source interface ID set and purpose interface ID set are Sky loads as sky；

Step 303：Judgement is that master data router or data router receive the server and give out information, if it is main number The server is received according to router to give out information, and thens follow the steps 305, it is no to then follow the steps 304；

Step 304：Data router is received from the interface f2 of oneself after server gives out information, and interface f2 is added to the clothes Business device gives out information in source interface ID set, and first element that interface f2 is gathered as source interface ID；Data are route Device forwards the server to give out information from Upstream Interface, executes step 303；

Step 305：Master data router is received from oneself interface f3 after server gives out information, and interface f3 is added to the clothes Business device gives out information in source interface ID set, and first element that interface f3 is gathered as source interface ID；Master data takes Business device checks server table, and if there is a server list item, the title thresholding of the list item gives out information equal to the server Title, geographical coordinate thresholding is equal to the geographical coordinate during the server gives out information, and interface ID set is equal to the server The source interface ID set to give out information, then set the life cycle of the server list item to maximum value；Otherwise, it is connect from interface f3 It receives the master data router that server gives out information and creates a server list item, the title thresholding of the server list item is equal to The server give out information in title, geographical coordinate thresholding be equal to the server give out information in geographical coordinate, interface ID Set is equal to the source interface ID set that the server gives out information, and life cycle is set as maximum value；

Step 306：The master data router that server gives out information is received from interface f3 and checks controller table, for controller Each controller list item in table executes operations described below：The geography that the master data router gives out information the server received Coordinate is updated to the geographical coordinate of oneself, source interface ID set is set as empty, load is set as empty, and purpose interface ID is gathered It is set as the interface ID set of the controller list item, an interface, the interface ID of the interface is chosen to be equal to purpose interface ID set In first element, delete first element from purpose interface ID set, sending server publication from the interface chosen disappears Breath；

Step 307：Judgement is that controller or core router receive the server and give out information, if it is core router It receives the server to give out information, thens follow the steps 308, it is no to then follow the steps 309；

Step 308：Core router is received from the interface f5 of oneself after server gives out information, and interface f5 is added to the clothes Business device gives out information in source interface ID set, and first element that interface f5 is gathered as source interface ID；The core road One interface is chosen by device, the interface ID of the interface is equal to first element in purpose interface ID set, from purpose interface ID collection First element is deleted in conjunction, the server is sent from the interface chosen and gives out information, and executes step 307；

Step 309：Controller is received from the interface e2 of oneself after server gives out information, and interface e2 is added to the server In the source interface ID set that gives out information, and first element that interface e2 is gathered as source interface ID；The controller is checked Server table, if there is a server list item, the title thresholding of the list item is equal to what the server received gave out information Title, geographical coordinate thresholding is equal to the geographical coordinate during the server gives out information, and interface ID set is equal to the server and sends out The source interface ID set of cloth message, then set the life cycle of the server list item to maximum value；Otherwise, which creates One server list item, the title thresholding of the list item are equal to the title during the server received gives out information, geographical coordinate domain Value is equal to the geographical coordinate during the server gives out information, and interface ID set is equal to the source interface ID collection that the server gives out information It closes, life cycle is set as maximum value；

Step 310：Terminate.

4. a kind of efficient data center network implementation method according to claim 3, which is characterized in that if data C1 By title NA1 unique marks, the server that mobile node MN 1 obtains the nearest preservation data C1 of distance by following processes is believed Breath：

Step 401：Start；

Step 402：Mobile node MN 1 sends information request message, and the title thresholding of the information request message is NA1, message class Type is 4, geographical coordinate be the current geographical coordinate of mobile node MN 1, source interface ID set and purpose interface ID set be it is empty, Load is sky；

Step 403：Judgement is that main couple in router or couple in router receive the information request message, if main access road The information request message is received by device, thens follow the steps 405, it is no to then follow the steps 404；

Step 404：Couple in router is added to the information after the interface b2 of oneself receives information request message, by interface b2 In request message source interface ID set, and first element that interface b2 is gathered as source interface ID；Couple in router from Upstream Interface forwards the information request message, executes step 403；

Step 405：Main couple in router is added to the letter after the interface b3 of oneself receives information request message, by interface b3 It ceases in request message source interface ID set, and first element that interface b3 is gathered as source interface ID；Main access routing Device checks controller table, selects a controller list item, the geographical coordinate of the list item in the information request message received Purpose interface ID set in the information request message recently, is updated to the interface ID of the controller list item by geographical coordinate distance Set, the main couple in router choose an interface, the interface ID of the interface to be equal to first element in purpose interface ID set, First element is deleted from purpose interface ID set, the information request message is sent from the interface chosen；

Step 406：Judgement is that core router or controller receive the information request message, if core router receives To the information request message, 407 are thened follow the steps, it is no to then follow the steps 408；

Step 407：Core router is added to the information after the interface b4 of oneself receives information request message, by interface b4 In request message source interface ID set, and first element that interface b4 is gathered as source interface ID；The core router An interface is chosen, the interface ID of the interface is equal to first element in purpose interface ID set, from purpose interface ID set First element is deleted, the information request message is sent from the interface chosen, executes step 406；

Step 408：Controller is added to the information request after the interface e3 of oneself receives information request message, by interface e3 In message source interface ID set, and first element that interface e3 is gathered as source interface ID；The controller checks service Device table selects a server list item, the title of the list item to be equal to the title of the information request message, and geographical coordinate and the letter The geographical coordinate distance ceased in request message is nearest；The controller creates an info response message, the info response message Title is equal to the title in the information request message received, and geographical coordinate is equal to the geography in the information request message received Coordinate, type of message 5, source interface ID collection are combined into sky, and purpose interface ID set is equal in the information request message received Source interface ID set, loads the server list item to choose；The controller chooses an interface, the interface ID of the interface to be equal to mesh Interface ID set in first element, delete first element from purpose interface ID set, being sent from the interface chosen should Info response message；

Step 409：Judgement is that mobile node MN 1 or communication equipment receive info response message, if mobile node MN 1 connects Info response message is received, thens follow the steps 411, it is no to then follow the steps 410；

Step 410：Communication equipment chooses an interface, the interface ID of the interface to be equal to purpose in the info response message received First element of interface ID set deletes first element from purpose interface ID set, the letter is sent from the interface chosen Response message is ceased, step 409 is executed；

Step 412：Terminate.

5. a kind of efficient data center network implementation method according to claim 4, which is characterized in that mobile node After MN1 execution step 401~412 obtain distance recently and can provide the server list item SE1 of data C1, obtained by following processes Access is according to C1：

Step 501：Start；

Step 502：The title thresholding of 1 transmission data request message of mobile node MN, the data request information is NA1, message class Type is 6, and geographical coordinate is equal to geographical coordinate, source interface ID set and purpose interface ID set in server list item SE1 and is Sky loads as sky；

Step 503：Judgement is that main couple in router or couple in router receive the data request information, if main access road The data request information is received by device, thens follow the steps 505, it is no to then follow the steps 504；

Step 504：Couple in router is added to the data after the interface g2 of oneself receives data request information, by interface g2 In request message source interface ID set, and first element that interface g2 is gathered as source interface ID；Couple in router from Upstream Interface forwards the data request information, executes step 503；

Step 505：Main couple in router is added to the number after the interface g3 of oneself receives data request information, by interface g3 According in request message source interface ID set and first element that interface g3 gathers as source interface ID；Main couple in router is looked into It sees master data table of router, selects a master data router list item, the geographical coordinate of the list item and the request of data received Geographical coordinate in message is identical, and the purpose interface ID set in the data request information is updated to the master data server table The interface ID set of item, the main couple in router choose an interface, the interface ID of the interface to be equal in purpose interface ID set First element deletes first element from purpose interface ID set, the data request information is sent from the interface chosen；

Step 506：Judge that master data router or core router receive the data request information, if core router The data request information is received, thens follow the steps 507, it is no to then follow the steps 508；

Step 507：Core router is added to the request of data after interface g4 receives data request information, by interface g4 and disappears Cease first element that in source interface ID set and interface g4 gathers as source interface ID；The core router chooses one to connect Mouthful, the interface ID of the interface is equal to first element in purpose interface ID set, and first is deleted from purpose interface ID set Element sends the data request information from the interface chosen, executes step 506；

Step 508：Master data router is added to the request of data after interface g5 receives data request information, by interface g5 In message source interface ID set, and first element that interface g5 is gathered as source interface ID；The master data router is looked into It sees server table, a server list item, the title of the server list item is selected to be equal to the title of the data request information, and ground The geographical coordinate distance that coordinate is managed with oneself is nearest；The master data router is by the purpose interface of the data request information received ID set is updated to the interface ID set of the server list item, which chooses an interface, the interface of the interface ID is equal to first element in purpose interface ID set, deletes first element from purpose interface ID set, is connect from what is chosen Mouth sends the data request information；

Step 509：Judgement is that data router or server receive the data request information, if server receives this Data request information, thens follow the steps 511, no to then follow the steps 510；

Step 510：Data router is added to the data after the interface g6 of oneself receives data request information, by interface g6 In request message source interface ID set and first element that interface g6 gathers as source interface ID；The data router is chosen The interface ID of one interface, the interface is equal to first element in purpose interface ID set, is deleted from purpose interface ID set First element sends the data request information from the interface chosen, executes step 509；

Step 511：Server is added to the request of data after the interface g6 of oneself receives data request information, by interface g6 In message source interface ID set, and first element that interface g6 is gathered as source interface ID；The server creates one Data response message, the title of the data response message are equal to the title in the data request information received, geographical coordinate etc. Geographical coordinate in the data request information received, type of message 7, source interface ID collection are combined into sky, purpose interface ID collection The source interface ID set in the data request information for being equal to and receiving is closed, loads and is marked by the data request information title received The data of knowledge；The server chooses an interface, and the purpose that the interface ID of the interface is equal in the data response message of structure connects First element in mouth ID set deletes first element from purpose interface ID set, the number is sent from the interface chosen According to response message；

Step 512：Judgement is that communication equipment or mobile node MN 1 receive data response message, if mobile node MN 1 connects Data response message is received, thens follow the steps 514, it is no to then follow the steps 513；

Step 513：Communication equipment chooses an interface, the interface ID of the interface to be equal to purpose in the data response message received First element of interface ID set deletes first element from purpose interface ID set, the number is sent from the interface chosen According to response message, step 512 is executed；

Step 514：Terminate.