CN106411552A - Virtual machine state management method and apparatus thereof - Google Patents

Virtual machine state management method and apparatus thereof Download PDF

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Publication number
CN106411552A
CN106411552A CN201510466806.4A CN201510466806A CN106411552A CN 106411552 A CN106411552 A CN 106411552A CN 201510466806 A CN201510466806 A CN 201510466806A CN 106411552 A CN106411552 A CN 106411552A
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China
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health
function
virtual machine
management function
health management
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CN201510466806.4A
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Chinese (zh)
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顾忠禹
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ZTE Corp
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ZTE Corp
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Priority to CN201510466806.4A priority Critical patent/CN106411552A/en
Priority to PCT/CN2016/079093 priority patent/WO2016180141A1/en
Publication of CN106411552A publication Critical patent/CN106411552A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/34Signalling channels for network management communication
    • H04L41/342Signalling channels for network management communication between virtual entities, e.g. orchestrators, SDN or NFV entities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46Interconnection of networks

Abstract

The invention provides a virtual machine state management method and an apparatus thereof. The method comprises the following steps that a virtual machine VM state management function operated on an uplink interface of an edge relay ER supporting a preset protocol instance or a function instance sends a VM state query message to a virtual machine VM; the VM state management function or the function instance receives a VM state query feedback message of the VM and acquires state information of the VM; and the VM state management function or the function instance sends the state information of the VM to NVE network virtualization edge equipment through an extension field of a preset protocol. A problem that management of a correlation protocol to a virtual machine VM state is not perfect is solved and real-time management of the virtual machine state under an NVO3 environment is realized.

Description

Virtual machine state management method and device
Technical field
The present invention relates to the communications field, in particular to a kind of virtual machine state management method and device.
Background technology
In the data center, how to pass through Intel Virtualization Technology, such as virtual machine, provide virtual network (Virtual Network, Referred to as VN) be a popular topic, be related to numerous aspect such as virtualization of network, cause equipment supplier and The multi-party concern of operator.For example, Institute of Electrical and Electric Engineers (Institute for Electrical and Electronic Engineers, referred to as IEEE) release 802.1Qbg (edge virtual bridge), support that (IEEE term is virtual to virtual machine Stand.Need to distinguish the platform that phantom station is provided, referred to as EVB stands.), how to be connected to the switch outside virtual platform (Edge Virtual Bridging, referred to as EVB bridge).Fig. 1 is that the architecture of the EVB in correlation technique is illustrated Figure, as shown in figure 1, found and configuration protocol (Virtual Station Interface discovery and by virtual machine interface Configuration protocol, referred to as VDP), PDCP (Packet Data Convergence Protocol, referred to as PDCP) and extended capability port mode agreement (Extented Capability Port, referred to as The series of protocols such as ECP), realizes virtual machine interface (Virtual Station Interface, referred to as VSI) and arrives EVB The connection of bridge.In addition, in Internet engineering task force, (The Internet Engineering Task Force is referred to as IETF also specially set up network virtualization (the Network Virtualization Overlay based on layer 3 for the working group in) Based-on L3Network, referred to as NVO3), it is studied.Fig. 2 is that in correlation technique, NVO3 is virtual The configuration diagram that network provides, as shown in Fig. 2 to the offer specifically how realizing VN, have consistent understanding.
As shown in Fig. 2 have one concentration network virtualization control device (Network Virtualization Authority, Referred to as NVA), realize the control that business is provided, multiple virtual machines in VN (Virtual Machine, referred to as VM) it is connected to network virtualization edge device (Network Virtualization Edge, referred to as NVE), go forward side by side This VN in one step and NVE virtual flow-line forwarding capability (Virtual Routing and Forwarding, referred to as VRF) it is associated, the different VRF of the same VN of multiple difference NVE kinds, by the direct overlay network of NVE Network tunnel is realized connecting, thus realizing VN.Certainly, VN can pass through NVE (being typically resident in data center unrelated) Realize connecting with the Internet.
But how NVO3 is realized with the specific solution of VN, also unable to decide which is right.Particularly how VM is accessed The control protocol of this section of NVE, a kind of viewpoint thinks, can be undertaken by the VDP of IEEE.Intuitively, VDP Be realize VSI/VM to EVB bridge (mainly and towards passage bridge joint mouth (Station-facing bridge port, referred to as For SBP)) related job, this and VM add the VN of NVE closely similar, are that one kind possible solution. There is more discussion in NVO3, for example, because VDP is a kind of agreement of L2, in order to realize the void of NVO3 Intend network, need to carry out the support of L3 address information, and need to support transmission of VN-ID information etc..And to VM The management of state, is also focused mainly on the life cycle management of generation and the deletion of VM etc. at present, specific inclusion VM is in init state, ready state and state of activation etc..In active state, being considered as VM is normal work 's.It is then relevant with VDP location, or further under correlation technique system, Hypervisor also just can only Obtain the information of these VM.
But, it is active in VM, or under running status, VM is to need the special work of execution in itself, Or multinomial work, for some reason, these work or function are likely to be idle, or function can not Execution., for other VM in VN, this VM is actually disabled for this, but VDP technical system It is not provided that the solution to this problem.
For in correlation technique, the also incomplete problem of management to virtual machine vm health for the related protocol, there is presently no Effectively solution.
Content of the invention
The invention provides a kind of virtual machine state management method and device, at least to solve related protocol pair in correlation technique The also incomplete problem of the management of virtual machine vm health.
According to an aspect of the invention, it is provided a kind of virtual machine state management method, including:
At the edge supporting preset protocol example, the virtual machine vm health management function run is relayed on the upstream Interface of ER Or function example sends vm health query message to virtual machine VM;
Described vm health management function or function example receive the vm health query feedback message of described VM and obtain The status information of described VM;
The described vm health management function or function example extended field by preset protocol by the status information of described VM It is sent to NVE network virtualization edge device.
Further, the virtual machine vm health management function of described operation or function example send VM to virtual machine VM Status poll message, or receive vm health query feedback message include:
Described vm health management function or function example are connected to described ER by the first predefined ethernet frame VM sends described status poll message, wherein, in the case that the described first predefined ethernet frame is broadcast type, Described vm health management function or function example send described status poll message to all VM that described ER connects, In the case that the described first predefined ethernet frame is unicast type, described vm health management function or function example Described vm health query message is sent for purpose address to specified VM with the MAC Address of specified VM;
Described VM sends vm health query feedback message with the second predefined ethernet frame.
Further, described vm health management function or function example send vm health inquiry report to virtual machine VM Before literary composition, methods described includes:
Described vm health management function or function example receive the tlv triple TLV field that NVE is extended by preset protocol The status inquiry command information of transmission, wherein, described status inquiry command information is used for indicating described vm health management work( The status information of the described VM of energy or function example feedback/collection.
Further, described vm health management function or function example send vm health inquiry report to virtual machine VM After literary composition, including:
Reception state query feedback message simultaneously obtains the status information of described VM, and combine the vm health preserving in website Information, forms the status information of VM;
Further, if in the case of not receiving described VM reply in preset time period, repeated according to set point number After sending described vm health query message, in the case of not receiving described VM reply, judge described VM Unreachable, form inaccessible vm health information.
Further, described vm health management function or function example send vm health inquiry report to virtual machine VM The transmission opportunity of literary composition includes at least one of:
In the case of receiving the status inquiry command information that NVE sends, described vm health management function or function are real Example sends vm health query message to VM;
Periodically send vm health query message.
Further, described preset protocol include for:
Virtual machine interface finds and configuration protocol VDP, and described VDP supported protocol:PDCP CDCP With extended capability port mode agreement ECP.
Further, described virtual machine state management method, including:
Described NVE directly uses the 3rd predefined ethernet frame, sends vm health query message to virtual machine VM; Described VM uses the 4th predefined ethernet frame directly to feed back vm health information to NVE.Described 3rd predefines Ethernet frame and described 4th predefined ethernet frame be different from the described first predefined ethernet frame and second pre- The types value of the ethernet frame of definition.
According to another aspect of the present invention, additionally provide a kind of virtual machine state managing device, including:
First sending module, virtual for run on the upstream Interface of edge relaying ER supporting preset protocol example Machine vm health management function or function example send vm health query message to virtual machine VM;
First receiver module, receives the vm health of described VM for described vm health management function or function example Query feedback message simultaneously obtains the status information of described VM;
The status information of described VM is passed through by the second sending module for described vm health management function or function example The extended field of preset protocol is sent to NVE network virtualization edge device.
Further, described first sending module includes:
Predefined transmitting element, passes through the first predefined Ethernet for described vm health management function or function example Frame sends described status poll message to the VM that described ER connects, wherein, in the described first predefined ethernet frame In the case of broadcast type, described vm health management function or function example are sent out to all VM that described ER connects Send described status poll message, in the case that the described first predefined ethernet frame is unicast type, described VM shape State management function or function example are described to specified VM transmission for purpose address with the MAC Address of specified VM Vm health query message;
Described first receiver module is additionally operable to receive described VM with the second predefined ethernet frame transmission vm health inquiry Feedback message.
Further, described device includes:
Second receiver module, sends VM shape for described vm health management function or function example to virtual machine VM Before state query message, described vm health management function or function example receive three that NVE is extended by preset protocol The status inquiry command information of tuple TLV field transmission, wherein, described status inquiry command information is used for indicating described Vm health management function or the described vm health information of function example feedback/collection.
Further, described device includes:
Determination module, for the status information in reception state query feedback, and by with reference to the vm health preserving in website Information, forms the status information of VM;And, if do not receive the situation that described VM replys in preset time period Under, after repeating to send described vm health query message according to set point number, do not receiving the feelings that described VM replys Under condition, judge that described VM is unreachable, that is, form the inaccessible status information of VM;
Described second sending module, is additionally operable to report the inaccessible status information of described VM to described NVE.
Further, described first sending module, is additionally operable in the feelings receiving the status inquiry command information that NVE sends Under condition, described vm health management function or function example send vm health query message to VM;
Described first sending module, is additionally operable to periodically send vm health query message.
Further, described preset protocol include for:Virtual machine interface finds and configuration protocol VDP, and described VDP Supported protocol:PDCP CDCP, extended capability port mode agreement ECP.
By the present invention, at the edge supporting preset protocol example, the virtual machine VM running is relayed on the upstream Interface of ER Condition managing function or function example send vm health query message, this vm health management function to virtual machine VM Or function example receives the vm health query feedback message of this VM and obtains this vm health information, this vm health The status information of this VM is sent to NVE network void by the extended field of preset protocol by management function or function example Planization edge device, solves related protocol to the also incomplete problem of management of virtual machine vm health it is achieved that NVO3 The real-time management of the virtual machine state under environment.
Brief description
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, the present invention Schematic description and description be used for explaining the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the architectural schematic of the EVB in correlation technique;
Fig. 2 is the configuration diagram that in correlation technique, NVO3 virtual network provides;
Fig. 3 is a kind of flow chart of virtual machine state management method according to embodiments of the present invention;
Fig. 4 is a kind of structured flowchart one of virtual machine state managing device according to embodiments of the present invention;
Fig. 5 is a kind of structured flowchart two of virtual machine state managing device according to embodiments of the present invention;
Fig. 6 is a kind of structured flowchart three of virtual machine state managing device according to embodiments of the present invention;
Fig. 7 is a kind of structured flowchart four of virtual machine state managing device according to embodiments of the present invention;
Fig. 8 is network management schematic diagram according to embodiments of the present invention;
Fig. 9 is ethernet frame structural representation according to embodiments of the present invention;
Figure 10 is the specific definition schematic diagram that vm health according to embodiments of the present invention collects order ethernet frame format;
Figure 11 is that vm health VDP TLV definition according to embodiments of the present invention is intended to;
Figure 12 is that another kind of vm health VDP TLV definition is intended to according to embodiments of the present invention;
Figure 13 is the schematic flow sheet of the vm health management based on VDP extension according to embodiments of the present invention.
Specific embodiment
To describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the feelings do not conflicted Under condition, the embodiment in the application and the feature in embodiment can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second " Etc. being for distinguishing similar object, without for describing specific order or precedence.
Provide a kind of virtual machine state management method in the present embodiment, Fig. 3 is a kind of void according to embodiments of the present invention The flow chart of plan machine method of state management, as shown in figure 3, this flow process comprises the steps:
Step S302, relays, at the edge supporting preset protocol example, the virtual machine VM shape running on the upstream Interface of ER State management function or function example send vm health query message to virtual machine VM;
Step S304, this vm health management function or function example receive the vm health query feedback message of this VM And obtain the status information of this VM;
The status information of this VM is passed through preset protocol by step S306, this vm health management function or function example Extended field is sent to NVE network virtualization edge device.
By above-mentioned steps, at the edge supporting preset protocol example, the virtual machine running is relayed on the upstream Interface of ER Vm health management function or function example send vm health query message to virtual machine VM, and this vm health manages work( Energy or function example receive the vm health query feedback message of this VM and obtain this vm health information, this VM shape The status information of this VM is sent to NVE network by the extended field of preset protocol by state management function or function example Virtualization edge device, solve related protocol to the also incomplete problem of management of virtual machine vm health it is achieved that The real-time management of the virtual machine state under NVO3 environment.
In the present embodiment, the virtual machine vm health management function of this operation or function example send to virtual machine VM Vm health query message, or receive vm health query feedback message include:
This vm health management function or function example are sent out by the VM that the first predefined ethernet frame connects to this ER Give this status poll message, wherein, in the case that this first predefined ethernet frame is broadcast type, this VM shape All VM that state management function or function example connect to this ER send this status poll message, first predefine at this Ethernet frame be unicast type in the case of, this vm health management function or function example are with the MAC of specified VM Address sends this vm health query message for purpose address to specified VM;
This VM sends vm health query feedback message with the second predefined ethernet frame.
In the present embodiment, this vm health management function or function example send vm health inquiry to virtual machine VM Before message, this vm health management function or function example receive tlv triple TLV that NVE is extended by preset protocol The status inquiry command information of field transmission, wherein, this status inquiry command information is used for indicating this vm health management work( The status information of this VM of energy or function example feedback/collection.
In the present embodiment, this vm health management function or function example send vm health inquiry to virtual machine VM After message, reception state query feedback message simultaneously obtains the status information of this VM, and combine the VM preserving in website Status information, forms the status information of VM;
Further, if in the case of not receiving this VM reply in preset time period, repeat to send out according to set point number After giving this vm health query message, in the case of not receiving this VM reply, judge that this VM is unreachable, Form inaccessible vm health information;
In the present embodiment, this vm health management function or function example send vm health inquiry to virtual machine VM The transmission opportunity of message includes at least one of:
In the case of receiving the status inquiry command information that NVE sends, this vm health management function or function example Send vm health query message to VM;
Periodically send vm health query message.
In the present embodiment, this preset protocol include for:
Virtual machine interface finds and configuration protocol VDP, and this VDP supported protocol:PDCP CDCP With extended capability port mode agreement ECP.
In the present embodiment, this NVE directly uses the 3rd predefined ethernet frame, sends VM to virtual machine VM Status poll message;This VM uses the 4th predefined ethernet frame directly to feed back vm health information to NVE.Should 3rd predefined ethernet frame and the 4th predefined ethernet frame are different from this first predefined ethernet frame and the The types value of two predefined ethernet frames.
Additionally provide a kind of virtual machine state managing device in the present embodiment, this device is used for realizing above-described embodiment and excellent Select embodiment, carry out repeating no more of explanation.As used below, term " module " can realize pre- Determine the software of function and/or the combination of hardware.Although the device described by following examples preferably to be realized with software, But hardware, or the realization of the combination of software and hardware is also may and to be contemplated.
Fig. 4 is a kind of structured flowchart one of virtual machine state managing device according to embodiments of the present invention, as shown in figure 4, This device includes:
First sending module 42, for relaying, at the edge supporting preset protocol example, the void run on the upstream Interface of ER Plan machine vm health management function or function example send vm health query message to virtual machine VM;
First receiver module 44, the vm health receiving this VM for this vm health management function or function example is looked into Ask feedback message and obtain the status information of this VM;
The status information of this VM is passed through by the second sending module 46 for this vm health management function or function example The extended field of preset protocol is sent to NVE network virtualization edge device.
By said apparatus, at the edge supporting preset protocol example, the virtual machine running is relayed on the upstream Interface of ER Vm health management function or function example send vm health query message to virtual machine VM, and this vm health manages work( Energy or function example receive the vm health query feedback message of this VM and obtain this vm health information, this VM shape The status information of this VM is sent to NVE network by the extended field of preset protocol by state management function or function example Virtualization edge device, solve related protocol to the also incomplete problem of management of virtual machine vm health it is achieved that The real-time management of the virtual machine state under NVO3 environment.
Fig. 5 is a kind of structured flowchart two of virtual machine state managing device according to embodiments of the present invention, as shown in figure 5, This device includes:This first sending module 42 includes:
Predefined transmitting element 52, passes through the first predefined ether for this vm health management function or function example The VM that net frame connects to this ER sends this status poll message, wherein, is wide in this first predefined ethernet frame In the case of broadcasting type, all VM that this vm health management function or function example connect to this ER send this state Query message, in the case that this first predefined ethernet frame is unicast type, this vm health management function or work( Example this vm health query message can be sent for purpose address to specified VM with the MAC Address of specified VM;
This first receiver module 44 is additionally operable to receive this VM with the second predefined ethernet frame transmission vm health inquiry Feedback message.
Fig. 6 is a kind of structured flowchart three of virtual machine state managing device according to embodiments of the present invention, as shown in fig. 6, This device includes:
Second receiver module 62, sends VM shape for this vm health management function or function example to virtual machine VM Before state query message, this vm health management function or function example receive the ternary that NVE is extended by preset protocol The status inquiry command information of group TLV field transmission, wherein, this status inquiry command information is used for indicating this VM shape State management function or this vm health information of function example feedback/collection.
Fig. 7 is a kind of structured flowchart four of virtual machine state managing device according to embodiments of the present invention, as shown in fig. 7, This device includes:
Determination module 72, for the status information in reception state query feedback, and by with reference to the VM preserving in website Status information, forms the status information of VM;And, if do not receive the feelings of this VM reply in preset time period Under condition, after repeating to send this vm health query message according to set point number, in the situation not receiving this VM reply Under, judge that this VM is unreachable, that is, form the inaccessible status information of VM;
This second sending module 46, is additionally operable to report the inaccessible information of this VM to this NVE, wherein, this is unreachable Information indicate this NVE refresh virtual flow-line forwarding capability VRF the inaccessible status information of this VM.
In the present embodiment, this first sending module 42, is additionally operable to receiving the status inquiry command information that NVE sends In the case of, this vm health management function or function example send vm health query message to VM;
This first sending module 42, is additionally operable to periodically send vm health query message.
In the above-described embodiments, this preset protocol include for:Virtual machine interface finds and configuration protocol VDP, and this VDP Supported protocol:PDCP CDCP, extended capability port mode agreement ECP.
In another embodiment, additionally provide under NVO3 environment in a kind of data center, virtual based on VDP The method and system of machine condition managing.Specifically, including:
The upstream Interface of ER supports VDP example, support simultaneously the functional entity of the collection of the state to VM for the VDP/ Example.
Further, specifically, state collection functional entity, sends state by specific ethernet broadcasting frame and seeks the opinion of message. All VM that ER is connected, after receiving this status poll message, with the MAC Address of this VM, are received with state The MAC Address integrating functional entity sends status information as purpose address.
Described specific ethernet frame, is defined by specific ethernet frame type.
Preferably, vm health collecting function example to be it is also possible to by the ethernet frame of unicast, to carry out state collection, Specifically, the status poll message of unicast is directly transmitted using the MAC Address of VM.
Vm health collecting function example, after collecting the status information of VM, by the extension of VDP protocol, will Information is sent to NVE.
Further, vm health management function entity/example can receive the shape that NVE extends TLV transmission by VDP State querying command information.
Further, vm health collecting function example, after sending status poll message, did not receive within the time of regulation Reply, then the message that can carry out set point number again sends, and without receiving reply, then judges that this VM is unreachable. Need to report the unreachable information of VM to NVE, and refresh the vm health information of the VRF in NVE.
Further, on the transmission opportunity of vm health collecting function example state query message, can NVE send Status poll, or keep-alive (keepalive) the clock setting triggering of vm health collecting function example definition itself.
Through such extension, virtual machine state under NVO3 environment can be realized based on the extension of VDP protocol Dynamic refresh and management.
Fig. 8 is network management schematic diagram according to embodiments of the present invention, as shown in figure 8, wherein, in order to collect The running status of VM, most basic method is to communicate, and explicitly inquires its state.Situation in EVB Under, due to can carry out the information transmission of correlation using VDP, therefore, a feasible solution, is by staying Stay on the upstream Interface (Uplink Relay Port, referred to as URP) of the ER of VDP functional entity, rerun one Vm health collecting function example, to realize the collection of the state of VM.
It should be noted that it is also possible to run other agreements between VM and NVE, to realize the collection of state.
Specifically, between due to VSI and SBP, there is L2 message transmissions passage, such present invention is it is simply that use L2 tunnel between ER and VM is carrying out state collection.
Specifically, it is to define a kind of new/specified type ethernet frame format, carry out dedicated between URP and VM Information exchange.New ethernet frame, refers to different from existing ethernet type, is used exclusively for vm health information and hands over A kind of mutual ethernet type.Generally speaking, in large scale deployment, this type needs the approval of IEEE.Specifically Numerical value, is to select one in the type that IEEE can provide and it needs to IEEE ratifies.One specific reference example Son is to carry ppp protocol (Point to Point Protocol over Ethernet, referred to as PPPoE) over ethernet The ethernet type value of discovery phase message is 0x8863 (i.e. the 8863 of 16 systems).
It should be noted that needing exist for the ethernet frame of 2 specified type, one is used for querying command;Another one Feedback of status for querying command.Certainly, it is required for the approval of IEEE.
Fig. 9 is ethernet frame structural representation according to embodiments of the present invention, as shown in figure 9, and the letter of specific state Breath obtains in addition it is also necessary to do further command definition.Specifically, it is to be realized by the payload segment of this ethernet frame. In payload segment, define a new header.Figure 10 is that vm health according to embodiments of the present invention collects order ether The specific definition schematic diagram of net frame format, as shown in Figure 10.
The function that wherein code field definition implements.Including:Status enquiry, can inquire single VM, or institute There is VM.This can be realized by the destination address of ethernet frame, or distinguishes.Specifically, if broadcast address, The then state of all VM in interrogation field.If unicast address, then the VM specifying returns its status information.
Keepalive order, periodically sends, the state of inquiry VM, if after several keepalive orders, still Can not receive the feedback of VM then it is assumed that this VM is inaccessible.
VN-ID field, for distinguishing different VN information, this is optional.
Session-ID, for distinguishing different communications, specific VM is also required to when returning status information return be somebody's turn to do Which status enquiry is session-ID information, be to distinguish.
Another one option is that VM address/name, or the address/name of one group of VM, for instruction specifically pin VM to operation.
Version information, can be defined as 001, for distinguishing follow-up version.
Length field, inquires about header length for instruction state.Do not include the head of ethernet frame.
For the terseness realized, 2 ethernet frame types can be selected, one of them is used for ordering, and another one is used for The transmission of status information.
Or type of coding can also be passed through, to enter the differentiation of line command and state message.For example, 0x00,0x01, uses In aforesaid 2 orders of expression;With 0x04,0x05, represent the feedback information of state.To such message, Ke Yijin One step defines specific state encoding.For example, 0x00 represents that VM is in normal operating conditions;0xFF represents, VM Unavailable, and other other different states of coded representation.
Here, only do a demonstration, specific definition value, can be selected according to practical situation, and do not affect this The essential content of invention.
Because VDP is used for associating VSI and SBP, the not specific working condition to transmit VM for the related content, Accordingly, it would be desirable to be extended, realize the transmission of the state of VM to VDP.
Specifically, a kind of new VDP TLV type, vm health TLV can be defined.Can be with the TLV value retaining One is selected in 0x06-0x7E.
Figure 11 is that vm health VDP TLV definition according to embodiments of the present invention is intended to, as shown in figure 11, and specific TLV (Type Length Value) defines, as shown in figure 11.Specific inclusion TLV type, and TLV information Length and mode field.
Further, this TLV includes command field, for indicating the vm health querying command of NVE.Or, preferably , Figure 12 is that another kind of vm health VDP TLV definition is intended to according to embodiments of the present invention, as shown in figure 12, can To be used for the definition of status inquiry command by first 4 of mode field, then 4 definition being used for vm health.
It should be noted that state can also be carried out using the filtration information field of the existing association TLV definition of VDP Field definition.
By above-mentioned definition and description it is achieved that the information of vm health and how by the extension of VDP, come Realize vm health information, pass to NVE.
And the transmission opportunity of specific vm health, can be VM when state changes, be actively sent to NVE, Or vm health information function example, when obtaining vm health and changing, is transmitted it is also possible to NVE Actively initiate, or periodically status enquiry is carried out to VM.
Figure 13 is the schematic flow sheet of the vm health management based on VDP extension according to embodiments of the present invention, such as Figure 13 Shown, comprise the steps.
Step S1001, optional, NVE sends vm health Query Information to vm health management function entity/example.
Step S1002, vm health management function entity/example, arrive in the keepalive timer periods of VM, or Person in the vm health querying command receiving NVE transmission or during keepalive order, also or vm health manages The definition status query time that functional entity/example sets arrives, and starts vm health inquiry.
Step S1003, transmission vm health query message.
Step S1004, VM returns its status information.
Step S1005.VM condition managing functional entity/example, by the vm health receiving information, is sent to NVE, or Person keeps a record, for future use.Or if within the time setting, send this order, the life of repeatedly setting number of times again Order sends again, if still the reply of VM can not be received, judges this VM as unreachable.
Step S1006, vm health management function entity/example by described vm health information, including the letter of VM feedback Breath, or the unreachable information of VM judging, are sent to NVE.
Other embodiment
In above-described embodiment, it is the solution in the case of fully ensuring that using existing protocol, that is, utilize existing VDP The extension of agreement, to complete the real-time status inquiry of VM, and not to exist inconsistent.
Another one solution, is outside the state report that VDP protocol runs, NVE is directly led to VM Letter, obtains the real time status information of VM.
Specific scheme is to define other 2 different ethernet frame types, for the state between NVE and VM Inquiry and feedback.
The definition of specific frame is similar with aforesaid definition.Except for the difference that, because NVE supports multiple virtual networks VN, So the VN-ID field in message is essential option it is ensured that the status information of VM delivers to correct VN.
And concrete implementation aspect is similar.Such as all VM in the VN that can be connected to NVE by broadcast Send querying command, or querying command is sent to certain specific VM by unicast address.And VM is typically all to use Unicast address feedback status information.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-described embodiment Method can realize by the mode of software plus necessary general hardware platform naturally it is also possible to pass through hardware, but a lot In the case of the former is more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing Have what technology contributed partly can embody in the form of software product, this computer software product is stored in one In storage medium (as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can To be mobile phone, computer, server, or the network equipment etc.) method described in execution each embodiment of the present invention.
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can To be arranged to store the program code of the method and step for executing above-described embodiment:
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to:USB flash disk, read only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), portable hard drive, Magnetic disc or CD etc. are various can be with the medium of store program codes.
Alternatively, in the present embodiment, processor executes above-described embodiment according to the program code of storage in storage medium Method and step.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general Realizing, they can concentrate on single computing device computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the executable program code of computing device, it is thus possible to by they Storage to be executed by computing device in the storage device, and in some cases, can be to hold different from order herein The shown or described step of row, or they are fabricated to respectively each integrated circuit modules, or will be many in them Individual module or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware Combine with software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the technology of this area For personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any Modification, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (13)

1. a kind of virtual machine state management method is it is characterised in that include:
At the edge supporting preset protocol example, the virtual machine vm health management running is relayed on the upstream Interface of ER Function or function example send vm health query message to virtual machine VM;
Described vm health management function or function example receive the vm health query feedback message of described VM and obtain Obtain the status information of described VM;
Described vm health management function or the extension by preset protocol by the status information of described VM of function example Field is sent to NVE network virtualization edge device.
2. method according to claim 1 it is characterised in that the virtual machine vm health management function of described operation or Function example sends vm health query message to virtual machine VM, or receives vm health query feedback message bag Include:
Described vm health management function or function example are connected to described ER by the first predefined ethernet frame VM send described status poll message, wherein, be broadcast type in the described first predefined ethernet frame In the case of, described vm health management function or function example send described shapes to all VM that described ER connects State query message, in the case that the described first predefined ethernet frame is unicast type, described vm health pipe Reason function or function example send described VM for purpose address to specified VM with the MAC Address of specified VM Status poll message;
Described VM sends vm health query feedback message with the second predefined ethernet frame.
3. method according to claim 1 is it is characterised in that described vm health management function or function example are to void Before plan machine VM sends vm health query message, methods described includes:
Described vm health management function or function example receive the tlv triple TLV word that NVE is extended by preset protocol The status inquiry command information of section transmission, wherein, described status inquiry command information is used for indicating described vm health Management function or function example feed back/collect the status information of described VM.
4. method according to claim 1 is it is characterised in that described vm health management function or function example are to void After plan machine VM sends vm health query message, including:
Reception state query feedback message simultaneously obtains the status information of described VM, and combine the VM preserving in website Status information, forms the status information of VM;
Further, if in the case of not receiving described VM reply in preset time period, according to set point number After repeating to send described vm health query message, in the case of not receiving described VM reply, judge institute State VM unreachable, form inaccessible vm health information.
5. method according to claim 1 is it is characterised in that described vm health management function or function example are to void The transmission opportunity that plan machine VM sends vm health query message includes at least one of:
In the case of receiving the status inquiry command information that NVE sends, described vm health management function or function Example sends vm health query message to VM;
Periodically send vm health query message.
6. the method according to claim 1 is to any one of claim 5 is it is characterised in that described preset protocol includes For:
Virtual machine interface finds and configuration protocol VDP, and described VDP supported protocol:PDCP CDCP and extended capability port mode agreement ECP.
7. the method according to claim 1 or claim 2 is it is characterised in that described virtual machine state management method, Including:
Described NVE directly uses the 3rd predefined ethernet frame, sends vm health inquiry report to virtual machine VM Literary composition;Described VM uses the 4th predefined ethernet frame directly to feed back vm health information to NVE.Described 3rd Predefined ethernet frame and described 4th predefined ethernet frame are different from the described first predefined Ethernet Frame and the types value of the second predefined ethernet frame.
8. a kind of virtual machine state managing device is it is characterised in that include:
First sending module, for relaying operation on the upstream Interface of ER at the edge supporting preset protocol example Virtual machine vm health management function or function example send vm health query message to virtual machine VM;
First receiver module, receives the VM shape of described VM for described vm health management function or function example State query feedback message simultaneously obtains the status information of described VM;
Second sending module, for described vm health management function or function example by the status information of described VM NVE network virtualization edge device is sent to by the extended field of preset protocol.
9. device according to claim 8 is it is characterised in that described first sending module includes:
Predefined transmitting element, for described vm health management function or function example pass through first predefined with Too net frame sends described status poll message to the VM that described ER connects, wherein, predefined described first In the case that ethernet frame is broadcast type, described vm health management function or function example connect to described ER All VM send described status poll messages, be the feelings of unicast type in the described first predefined ethernet frame Under condition, described vm health management function or function example with the MAC Address of specified VM for purpose address to The VM specifying sends described vm health query message;
Described first receiver module is additionally operable to receive described VM with the second predefined ethernet frame transmission vm health Query feedback message.
10. device according to claim 8 is it is characterised in that described device includes:
Second receiver module, sends VM for described vm health management function or function example to virtual machine VM Before status poll message, described vm health management function or function example are received NVE and are extended by preset protocol Tlv triple TLV field transmission status inquiry command information, wherein, described status inquiry command information is used for referring to Show the status information of the described VM of described vm health management function or function example feedback/collection.
11. devices according to claim 8 are it is characterised in that described device includes:
Determination module, for the status information in reception state query feedback, and by with reference to the VM preserving in website Status information, forms the status information of VM;And, if do not receive described VM in preset time period return In the case of multiple, after repeating to send described vm health query message according to set point number, described not receiving In the case that VM replys, judge that described VM is unreachable, that is, form the inaccessible status information of VM;
Described second sending module, is additionally operable to report the inaccessible status information of described VM to described NVE.
12. devices according to claim 8 are it is characterised in that include:
Described first sending module, is additionally operable in the case of receiving the status inquiry command information that NVE sends, Described vm health management function or function example send vm health query message to VM;
Described first sending module, is additionally operable to periodically send vm health query message.
13. devices described according to Claim 8 to any one of claim 12 are it is characterised in that described preset protocol bag Include for:
Virtual machine interface finds and configuration protocol VDP, and described VDP supported protocol:PDCP CDCP, extended capability port mode agreement ECP.
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