CN109428824A - Host Topology g eneration method and system - Google Patents

Host Topology g eneration method and system Download PDF

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Publication number
CN109428824A
CN109428824A CN201710747073.0A CN201710747073A CN109428824A CN 109428824 A CN109428824 A CN 109428824A CN 201710747073 A CN201710747073 A CN 201710747073A CN 109428824 A CN109428824 A CN 109428824A
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China
Prior art keywords
host
identification
topology
controller
interchanger
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CN201710747073.0A
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Chinese (zh)
Inventor
罗印威
黄景平
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Priority to CN201710747073.0A priority Critical patent/CN109428824A/en
Publication of CN109428824A publication Critical patent/CN109428824A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/02Topology update or discovery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/12Arrangements for maintenance or administration or management of packet switching networks network topology discovery or management

Abstract

The present invention proposes a kind of host Topology g eneration method and system, is related to software defined network technical field.A kind of host Topology g eneration method of the invention, which includes: controller, obtains connection point information by interchanger, and connection point information includes the host identification of host where tie point, and host identification is the unique of host and not duplicate marking;Controller determines the tie point for being located at same host by matching host identification;Controller generates host topology according to host identification.By such method, the host identification of host where controller can obtain tie point, so that it is determined which tie point is located at identical host, and then generate accurate host topology, the topology inaccuracy of host caused by when avoiding there is a problem of as individual host more network interface cards, more containers or multi-dummy machine, improve the accuracy that host topology determines.

Description

Host Topology g eneration method and system
Technical field
This application involves software defined network technical field, especially a kind of host Topology g eneration method and system.
Background technique
Currently, controller passes through open flows in SDN (Software Defined Network, software defined network) Openflow and LLDP (Link Layer Discovery Protocol, Link Layer Discovery Protocol) has found switch-layer topology, leads to Cross Openflow and ARP (Address Resolution Protocol, address resolution protocol) discovery host topology.
SDN controller finds that the process of host topology includes: that ARP request or response are reported when host does ARP parsing, exchange The message is reported controller by Openflow message by machine;SDN controller analytic message obtains the MAC (Media of host Access Control, media access address), IP and and switch connection port, generate the topology information of host.
The host generated in this way is topological and true topology has biggish deviation, can not react true master Machine topology situation.
Summary of the invention
The purpose of the application is to improve the accuracy that host topology determines.
According to the one aspect of the application, a kind of host Topology g eneration method is proposed, comprising: controller is obtained by interchanger Take connection point information, connection point information includes the host identification of host where tie point, and host identification is the unique of host and not Duplicate marking;Controller determines the tie point for being located at same host by matching host identification;Controller is raw according to host identification At host topology.
Optionally, tie point includes network interface card, container and/or virtual machine.
Optionally, it includes: that controller to interchanger issues host identification that controller, which obtains connection point information by interchanger, Acquisition instruction;Interchanger obtains the host identification of tie point place host from the tie point connected;Interchanger will include host The connection point information of mark feeds back to controller.
Optionally, controller obtains connection point information by interchanger further include: when the host identification of host updates, position Host identification is reported to the interchanger of connection in the tie point of host.
Optionally, further includes: for every host deployments are unique and unduplicated host identification.
Optionally, unique and unduplicated host identification includes: the master configured on each host for every host deployments It is host assignment host identification that machine, which identifies distribution module, wherein there are the host identification distribution modules of a host to have management Function, to guarantee that the host identification of each host does not repeat;When having the host identification distribution module failure of management function, respectively Host identification distribution module on a host selects the new host identification distribution module for having management function.
By such method, the host identification of host where controller can obtain tie point, so that it is determined which connects Contact is located at identical host, and then generates accurate host topology, avoid due to individual host there are more network interface cards, more containers or The problem of the topology inaccuracy of host caused by when multi-dummy machine, improves the accuracy that host topology determines.
According to further aspect of the application, a kind of host Topology g eneration system, including controller, controller packet are proposed Include: connection point information acquiring unit, for obtaining connection point information from interchanger, connection point information includes host where tie point Host identification, host identification is host unique and not duplicate marking;Topological determination unit in host, for passing through matching master Machine mark determines the tie point for being located at same host;Host topology determination unit, for generating host topology according to host identification.
Optionally, tie point includes network interface card, container and/or virtual machine.
Optionally, connection point information acquiring unit is used for: issuing host identification acquisition instruction to interchanger;It is obtained from interchanger Take connection point information;System further include: interchanger, the host mark for host where obtaining tie point from the tie point connected Know, the connection point information including host identification is fed back into controller.
Optionally, when the host identification of host updates, the tie point positioned at host reports host to the interchanger of connection Mark.
It optionally, further include host identification distribution module positioned at host, for uniquely and not weighed for every host deployments Multiple host identification.
Optionally, host identification distribution module is each equipped on each host, wherein there are the host identifications of a host Distribution module has management function, to guarantee that the host identification of each host does not repeat;When the host identification for having management function When distribution module failure, the host identification distribution module on each host selects the new host identification distribution for having management function Module.
According to the another aspect of the application, a kind of host Topology g eneration system is proposed, comprising: memory;And coupling To the processor of memory, processor is configured as any one being mentioned above based on the instruction execution for being stored in memory Host Topology g eneration method.
In such host Topology g eneration system, the host identification of host where controller can obtain tie point, thus It determines which tie point is located at identical host, and then generates accurate host topology, avoid since there are more nets for individual host The problem of the topology inaccuracy of host caused by when card, more containers or multi-dummy machine, improves the accuracy that host topology determines.
According to another aspect of the application, a kind of computer readable storage medium is proposed, be stored thereon with computer journey The step of sequence instruction, which is executed by processor any one the host Topology g eneration method being mentioned above.
Computer readable storage medium in this way is by executing instruction thereon, the host of host where capable of obtaining tie point Mark avoids so that it is determined which tie point is located at identical host, and then generates accurate host topology due to individual host There is a problem of that host topology caused by when more network interface cards, more containers or multi-dummy machine confirms inaccuracy, improves host topology really Fixed accuracy.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Figure 1A is the schematic diagram for the host topology that controller generates in the prior art.
Figure 1B is the schematic diagram of the real network topology of network in Figure 1A.
Fig. 2 is the flow chart of one embodiment of the host Topology g eneration method of the application.
Fig. 3 is the flow chart of another embodiment of the host Topology g eneration method of the application.
Fig. 4 is the schematic diagram of one embodiment of controller in the host Topology g eneration system of the application.
Fig. 5 is the schematic diagram of one embodiment of the host Topology g eneration system of the application.
Fig. 6 is the schematic diagram that the host Topology g eneration system of the application carries out one embodiment of host identification distribution.
Fig. 7 is the signal of the one embodiment of the host Topology g eneration system individual host of the application when including more network interface cards Figure.
Fig. 8 is the one embodiment of the host Topology g eneration system individual host of the application when including more containers or virtual machine Schematic diagram.
Fig. 9 is the schematic diagram of another embodiment of the host Topology g eneration system of the application.
Figure 10 is the schematic diagram of another embodiment of the host Topology g eneration system of the application.
Specific embodiment
Below by drawings and examples, the technical solution of the application is described in further detail.
There are certain defects for the host Topology g eneration method of present industry SDN controller, comprising:
1, two network interface cards for belonging to the same server cannot correctly be identified;
2, container, host and virtual machine cannot correctly be identified;
3, container, network interface card, virtual machine and the interchanger for belonging to the same server cannot be indicated in server.
Based on the above feature, when SDN controller generates topological structure as shown in Figure 1A, true host topology is such as Shown in Figure 1B.
The flow chart of one embodiment of the host Topology g eneration method of the application is as shown in Figure 2.
In step 201, controller obtains connection point information by interchanger, and connection point information includes master where tie point The host identification of machine, host identification are host unique and not duplicate marking.Tie point includes network interface card, container, virtual machine etc..? In one embodiment, host identification can be the unique host name of host, by being deployed in each master using distributed way Host identification distribution module on machine is generated and assigned to each host, by the distributed host mark management being deployed in host System storage.
In step 202, controller determines the tie point for being located at same host by matching host identification, that is, has identical The tie point of host identification is located in the same host.
In step 203, controller generates host topology according to host identification, and in host topology, same host is made For a node.
By such method, the host identification of host where controller can obtain tie point, so that it is determined which connects Contact is located at identical host, and then generates accurate host topology, avoid due to individual host there are more network interface cards, more containers or The problem of the confirmation inaccuracy of host topology caused by when multi-dummy machine, improves the accuracy that host topology determines.
In one embodiment, when the host identification of host changes, host actively reports new master to interchanger Machine mark, is updated, to ensure that the timeliness of controller data so that interchanger is reported to controller.
In one embodiment, since, including the type information of tie point, controller can be known in connection point information The type of other tie point, so that the type of internal different tie points can be distinguished, when generating host inner topology in order to shape At the more comprehensive host topology information of information.
The flow chart of another embodiment of the host Topology g eneration method of the application is as shown in Figure 3.
In step 301, the host identification distribution module configured on each host is host assignment host identification.One In a embodiment, the host in network is deployed with a host identification distribution module respectively, wherein there are a host identifications point Hair module has management function, for guaranteeing that the host identification of each host does not repeat.When the host identification for having management function When distribution module failure, the host identification distribution module on each host selects the new host identification distribution for having management function Module, to improve the robustness of network.
In step 302, controller issues host identification acquisition instruction to interchanger.
In step 303, interchanger obtains the host identification of tie point place host from the tie point connected.
In step 304, the connection point information including host identification is fed back to controller by interchanger.
In step 305, controller determines the tie point for being located at same host by matching host identification.
Within step 306, controller generates host topology according to host identification.
By such method, unique and unduplicated host identification, controller can lead to for each host assignment It crosses switch request host and reports mark, consequently facilitating controller obtains according to demand and update the host mark of each tie point Know, improves the controllability of host topology acquisition.
In one embodiment, host can actively pass through interchanger to controller report host identification, to reduce letter Interaction is enabled, the efficiency that controller obtains host identification is also improved.
The schematic diagram of one embodiment of controller is as shown in Figure 4 in the host Topology g eneration system of the application.Tie point Information acquisition unit 401 can obtain connection point information by interchanger, and connection point information includes the master of host where tie point Machine mark, host identification are host unique and not duplicate marking.Tie point includes network interface card, container, virtual machine etc..In a reality It applies in example, host identification can be the unique host name of host, by being deployed on each host using distributed way Host identification distribution module is generated and assigned to each host, is deposited by the distributed host identity management system being deployed in host Storage.Topological determination unit 402 can determine the tie point for being located at same host by matching host identification in host, that is, have phase Tie point with host identification is located in the same host.Host topology determination unit 403 can be generated according to host identification and be led Machine topology.
In such host Topology g eneration system, the host identification of host where controller can obtain tie point, thus It determines which tie point is located at identical host, and then generates accurate host topology, avoid since there are more nets for individual host The problem of the confirmation inaccuracy of host topology caused by when card, more containers or multi-dummy machine, improves the accurate of host topology determination Degree.
The schematic diagram of one embodiment of the host Topology g eneration system of the application is as shown in Figure 5.The structure of controller 50 It can be as seen in the embodiment of fig. 4 with function.Host Topology g eneration system can also include multiple switch 51 and be connected to The host 52 of interchanger 51.There is host identification distribution module 521 on host 52, can be host assignment host identification.One In a embodiment, there are a host identification distribution modules to have management function, for guaranteeing the host identification of each host not It repeats.When having the host identification distribution module failure of management function, the host identification distribution module on each host is selected The new host identification distribution module for having management function, to improve the robustness of network.In one embodiment, on host Distributed host mark management module can be disposed to realize the storage of host identification, manage and report, so as in existing friendship It changes planes and upper realizes above-mentioned function.In one embodiment, host can be realized by the way of generating special container or virtual machine Identify management module.
Interchanger 51 can obtain host identification acquisition instruction from controller 50, and obtain connection from the tie point connected Connection point information including host identification is fed back to controller 50 by the host identification of host 52 where point, interchanger 51.One Host identification proxy module can be disposed in a embodiment, on interchanger 51 to realize above-mentioned function on existing interchanger. In one embodiment, host identification proxy module can be realized by the way of generating special container or virtual machine.
Such system unique and unduplicated host identification, controller can pass through exchange for each host assignment It is confidential that host is asked to report mark, consequently facilitating controller obtains according to demand and update the host identification of each tie point, improve The controllability that host topology obtains.
In one embodiment, when the host identification of host changes, host can be reported actively newly to interchanger Host identification, be updated so that interchanger is reported to controller, to ensure that the timeliness of controller data.
In one embodiment, host can actively pass through interchanger to controller report host identification, to reduce letter Interaction is enabled, the efficiency that controller obtains host identification is also improved.
The host Topology g eneration system of the application carries out schematic diagram such as Fig. 6 institute of one embodiment of host identification distribution Show.Host 63 includes H1~H3, connects core switch 61 by access switch 62, then connect with SDN controller.
It is configured with distributed host identity management system and host identification dissemination system in whole net All hosts, in each master A host identification management module and host identification distribution module are disposed on machine.
It is identified in distributed host and configures the host identification of each host in dissemination system, or automatically generated by it each Host identification guarantees that All hosts mark does not repeat.Distributed host mark dissemination system automatic election goes out management node, and when It carves and whole one management node of net is kept to re-elect out new management node when management node failure.The host mark of each host Know the host identification that distribution module obtains this host from management node.Master of the host identification management module of each host from this host Machine mark distribution module gets the host identification and storage of this host.
Such host can be completed under the cooperation of distributed host identity management system and host identification dissemination system The distribution and management of host identification, so that host has unique, unduplicated mark, consequently facilitating controller distinguishes tie point Belonging host.
Schematic diagram such as Fig. 7 of one embodiment when the host Topology g eneration system individual host of the application includes more network interface cards It is shown.Host Topology g eneration system includes SDN controller 71, core switch 72, access switch 73 and host 74.Access is handed over Change planes 73 include access switch S1 and S2, host H1 include two network interface cards, connect respectively with interchanger S1 and interchanger S2.It is main The host name of machine H1 is generated by user configuration when installation system or default, or is obtained by the host name dissemination system of step 1.
Host H1 sends ARP request or receives the response, and access switch S1 is encapsulated into Openflow information reporting SDN Controller.Controller parses Openflow message, the port (end of network interface card 1 for obtaining MAC, IP of tie point and connecting with S1 Mouthful), generate host topology.
Controller issues Openflow message to interchanger S1, obtains the host identification of host H1.Interchanger S1 parsing Openflow message, the host identification proxy module by being deployed in interchanger send message to tie point to obtain host mark Know.After tie point receives message, the machine host identification is inquired, responds interchanger S1.After interchanger S1 receives response, pass through Openflow message response SDN controller.Controller shows host identification into tie point topology;If there are multiple in network The host identification of tie point is the same, then by the topology combination of multiple tie points (network interface card) into a host.
Another ARP message for throwing the net card transmission of host H1 reaches SDN controller possibly through access switch S2.Weight After multiple above-mentioned steps, SDN controller can correctly show the double netcard topology of host H1.When the host identification of host H1 changes When (may be by distributed host mark dissemination system obtain new host identification), the distributed host mark management mould of H1 Block active reporting gives interchanger S1, S2, and S1, S2 refresh corresponding master by Openflow information reporting SDN controller, controller Machine topology.
In such host Topology g eneration system, SDN controller can be in the MAC and IP for obtaining host by host A RP After generating host topology, active inquiry host identification is easy to implement inside host and opens up to realize the acquisition of host unique identification Flutter the determination with host topology.
One embodiment when the host Topology g eneration system individual host of the application includes more containers or virtual machine is shown It is intended to as shown in Figure 8.Host Topology g eneration system includes SDN controller 81, core switch 82, access switch 83 and host 84.Host name is generated by user configuration when installation system or default or distributed host mark dissemination system distribution determines.
After vSwitch (Virtual Switch, the virtual switch) starting of host H1, according to configuration to SDN controller Registration, the host of host where issuing open flows Openflow information query vSwitch after controller processing registration message success Mark.
Access switch S1 receives Openflow message, passes through host identification proxy module issuing message.The master of host H1 Machine mark management module returns to the host identification of the machine to interchanger S1.The message received is packaged into Openflow by interchanger S1 Controller is reported after message;Controller refreshes the topology information of host H1 after receiving.Container/virtual machine inside host H1 is sent ARP (request or response), vSwitch is encapsulated into Openflow information reporting controller.Controller parses Openflow report Text obtains container/virtual machine MAC, IP address, the link connecting with vSwitch, generates container/VM topology.
Controller issues Openflow message to vSwitch, obtains container/virtual machine host identification;Interchanger S1 is received It is acted on behalf of by host identification to container/virtual machine and is forwarded after to message.After container/virtual machine receives message, pass through the master of the machine Machine identifies management module and obtains the host identification of host and the mark of container/virtual machine itself, returns to interchanger S1.Interchanger After S1 receives message, controller is returned to by Openflow message;Controller obtains container/virtual machine according to Openflow message Host host identification after, its vSwitch with same host mark, network interface card are shown to the topology of same host In.
When the host identification of host H1 changes, the host identification management module active reporting of host H1 is to interchanger S1, S2, by Openflow information reporting SDN controller, controller refreshes corresponding host topology by S1, S2.
In one embodiment, host identification dissemination system Etcd and distribution master can be configured on whole net All hosts Machine identity management system Flannel-hn.Etcd configures the host identification of each host, or automatically generates each master by Etcd The host identification of machine guarantees that all host identifications do not repeat.
Etcd elects manager's node by Raft algorithm, and the moment keeps whole one manager's node of net, works as manager When node failure, new manager's node is re-elected out.Each host Etcd obtains the host mark of this host from manager's node Know.The Flannel-hn of each host gets the host identification of this host from this host Etcd, and is configured to the host of host name In mark.
When host has double netcard:
1, host obtains host identification from distributed host mark dissemination system.
2, a tie point (one throw the net card) for host sends ARP request message, and access switch is encapsulated into Openflow information reporting SDN controller.
3, controller parses Openflow message, and the MAC, IP for obtaining tie point, the port connecting with S1 generate host and open up It flutters.
4, controller issues Openflow message to interchanger, the host identification of host where obtaining tie point.
5, interchanger parses Openflow message, acts on behalf of the message sent to tie point by host identification and obtains host mark Know.
6, after host receives message, the host identification of the machine is inquired, responds interchanger.
7, after interchanger receives response, SDN controller is responded by Openflow.
8, controller shows host identification into the topology of its host.If there are the host marks of multiple tie points in network Know equally, then by its topology combination into same host, is labeled as multiple network interface cards of same host.
9, another ARP message for throwing the net card transmission of host is responded possibly through other access switch.It repeats above-mentioned After step, SDN controller can correctly show the double netcard topology of host H1.
Such host Topology g eneration system can allow for user by configuring or by similar etcd/Flannel master Machine name storage distribution system mechanism distributes host identification to server, guarantees that the whole network is unique, and then can obtain each tie point Host identification, so that it is determined that network interface card, virtual machine, container etc. included by inside the corresponding host of the host identification, determine master Machine inner topology, additionally it is possible to obtain true host topology, improve the accuracy that host topology determines.
The structural schematic diagram of one embodiment of the application host Topology g eneration system is as shown in Figure 9.Host Topology g eneration System includes memory 910 and processor 920.Wherein: memory 910 can be disk, flash memory or other any non-volatile Storage medium.Memory is used to store the instruction in the hereinafter corresponding embodiment of host Topology g eneration method.920 coupling of processor It is connected to memory 910, can be used as one or more integrated circuits to implement, such as microprocessor or microcontroller.The processing Device 920 can be improved the accuracy that host topology determines for executing the instruction stored in memory.
In one embodiment, can also as shown in Figure 10, host Topology g eneration system 1000 includes 1010 He of memory Processor 1020.Processor 1020 is coupled to memory 1010 by BUS bus 1030.The host Topology g eneration system 1000 is also External memory 1050 can be connected to by memory interface 1040 to call external data, network interface can also be passed through 1060 are connected to network or an other computer system (not shown).It no longer describes in detail herein.
In this embodiment, it is instructed by memory stores data, then above-metioned instruction is handled by processor, can be improved The accuracy that host topology determines.
In another embodiment, a kind of computer readable storage medium, is stored thereon with computer program instructions, this refers to The step of enabling the method realized in host Topology g eneration method corresponding embodiment when being executed by processor.Technology people in the art Member is it should be appreciated that embodiments herein can provide as method, apparatus or computer program product.Therefore, the application can be used The form of full hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects.Moreover, the application can Using wherein include in one or more computer usable program code computer can with non-transient storage medium (including But be not limited to magnetic disk storage, CD-ROM, optical memory etc.) on the form of computer program product implemented.
The application is reference according to the method for the embodiment of the present application, the flow chart of equipment (system) and computer program product And/or block diagram describes.It should be understood that each process in flowchart and/or the block diagram can be realized by computer program instructions And/or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer programs to refer to Enable the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate One machine so that by the instruction that the processor of computer or other programmable data processing devices executes generate for realizing The device for the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
So far, the application is described in detail.In order to avoid covering the design of the application, it is public that this field institute is not described The some details known.Those skilled in the art as described above, completely it can be appreciated how implementing technology disclosed herein Scheme.
The present processes and device may be achieved in many ways.For example, can by software, hardware, firmware or Person's software, hardware, firmware any combination realize the present processes and device.The step of for the method it is above-mentioned Sequence is merely to be illustrated, and the step of the present processes is not limited to sequence described in detail above, unless with other sides Formula illustrates.In addition, in some embodiments, the application can be also embodied as recording program in the recording medium, these Program includes for realizing according to the machine readable instructions of the present processes.Thus, the application also covers storage for executing According to the recording medium of the program of the present processes.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the application rather than its limitations;To the greatest extent Pipe is described in detail the application referring to preferred embodiment, it should be understood by those ordinary skilled in the art that: still It can modify to the specific embodiment of the application or some technical features can be equivalently replaced;Without departing from this Shen Please technical solution spirit, should all cover in the claimed technical proposal scope of the application.

Claims (14)

1. a kind of host Topology g eneration method characterized by comprising
Controller obtains connection point information by interchanger, and the connection point information includes the host of host where the tie point Mark, the host identification are host unique and not duplicate marking;
The controller is by matching the determining tie point for being located at same host of the host identification;
The controller generates host topology according to the host identification.
2. the method according to claim 1, wherein the tie point includes network interface card, container and/or virtual machine.
3. the method according to claim 1, wherein the controller obtains connection point information packet by interchanger It includes:
Controller issues host identification acquisition instruction to interchanger;
The interchanger obtains the host identification of tie point place host from the tie point connected;
Connection point information including the host identification is fed back to controller by the interchanger.
4. according to the method described in claim 3, it is characterized in that, the controller obtains connection point information also by interchanger Include:
When the host identification of host updates, the tie point positioned at the host reports host identification to the interchanger of connection.
5. the method according to claim 1, wherein further include:
For every host deployments are unique and unduplicated host identification.
6. according to the method described in claim 5, it is characterized in that, described for every host deployments are unique and unduplicated host Mark includes:
The host identification distribution module configured on each host is host identification described in host assignment, wherein there are a masters The host identification distribution module of machine has management function, to guarantee that the host identification of each host does not repeat;
When having the host identification distribution module failure of management function, the host identification distribution module on each host is selected newly The host identification distribution module for having management function.
7. a kind of host Topology g eneration system, which is characterized in that including controller, the controller includes:
Connection point information acquiring unit, for obtaining connection point information from interchanger, the connection point information includes the connection The host identification of host where point, the host identification are host unique and not duplicate marking;
Topological determination unit in host, for by matching the determining tie point for being located at same host of the host identification;
Host topology determination unit, for generating host topology according to the host identification.
8. system according to claim 7, which is characterized in that the tie point includes network interface card, container and/or virtual machine.
9. system according to claim 7, which is characterized in that
The connection point information acquiring unit is used for: issuing host identification acquisition instruction to interchanger;It is obtained from the interchanger The connection point information;
The system also includes: interchanger, for obtaining the host mark of tie point place host from the tie point connected Know, the connection point information including the host identification is fed back into controller.
10. system according to claim 9, which is characterized in that when the host identification of host updates, be located at the host Tie point report host identification to the interchanger of connection.
11. system according to claim 7, which is characterized in that further include the host identification distribution module positioned at host, use In for every host deployments are unique and unduplicated host identification.
12. system according to claim 10, which is characterized in that
Host identification distribution module is each equipped on each host, wherein there are the host identification distribution module of host tools Standby management function, to guarantee that the host identification of each host does not repeat;
When having the host identification distribution module failure of management function, the host identification distribution module on each host is selected newly The host identification distribution module for having management function.
13. a kind of host Topology g eneration system, comprising:
Memory;And
It is coupled to the processor of the memory, the processor is configured to based on the instruction execution for being stored in the memory Such as method as claimed in any one of claims 1 to 6.
14. a kind of computer readable storage medium, is stored thereon with computer program instructions, real when which is executed by processor The step of method described in existing claim 1 to 6 any one.
CN201710747073.0A 2017-08-28 2017-08-28 Host Topology g eneration method and system Pending CN109428824A (en)

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