CN103647853A - Method for sending ARP message in VxLAN, VTEP and VxLAN controller - Google Patents
Method for sending ARP message in VxLAN, VTEP and VxLAN controller Download PDFInfo
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Abstract
The invention discloses a method for sending an ARP (Address Resolution Protocol) message in a VxLAN (Virtual Extensible LAN), a VTEP (VxLAN Tunnel Endpoint) and a VxLAN controller so that a problem that resource waste is generated because messages are sent in a multicast method is eliminated. The method for sending the ARP message mainly includes that: a source VTEP receives an ARP message of a source virtual machine (VM), wherein the APP message is used for requesting a media access control MAC address of a target VM and the ARP message carries the IP address of the target VM; the IP address of the target VM, carried in the APP message is acquired; a query request is sent to the VxLAN controller so as to acquire the IP address of a target VTEP, wherein the query request carries the IP address of the target VM; the IP address of the target VTEP is acquired from the VxLAN controller; the APP message is packaged according to the IP address of the target VTEP so that a VxLAM message is generated; and the VxLAM message is sent to the target VTEP.
Description
Technical field
The present invention relates to computer network communication field, relate in particular to a kind of ARP file transmitting method, VTEP and VxLAN controller of sending in VxLAN.
Background technology
Prior art applying virtual can be expanded local area network (LAN) (Virtual extensible LAN, VxLAN) technological expansion network virtualization, in order to obtain the virtual network of sufficient amount, meets user and uses.
Between virtual machine based on the virtual network of VxLAN, set up communication process specific as follows:
Source virtual machine (Virtual Machine, VM)) send address resolution protocol (Address Resolution Protocol, ARP) message, in order to ask the media interviews of object VM to control (Media Access Control, MAC) address, source VxLAN tunneling termination (the VxLAN Tunnel Endpoint corresponding with source VM, VTEP) based on this ARP message, structure Internet Group Management Protocol (Internet Group Management Protocol, IGMP) message, then this IGMP message is sent to the object VTEP corresponding with object VM, if this object VTEP receives this IGMP message, this object VTE2 can resolve this IGMP message, and analysis result is broadcast in the object VM corresponding with object VTEP, so that object VM receives after this analysis result, the MAC Address of self is encapsulated by object VTEP2, then feed back to source VM.Source VTEP is packaged into VxLAN message for the message that source VM is sent, or the decapsulation of VxLAN message is sent to source VM; Object VTEP is packaged into VxLAN message for the message that object VM is sent, or the decapsulation of VxLAN message is sent to object VM.
State in realization in the process of communication, in prior art, at least there are the following problems: source VTEP will expect the MAC Address of object VM, source VTEP1 just must send IGMP message in a plurality of multicast group, to obtain the MAC Address of the object VM2 corresponding with object VTEP, so just cause source VTEP to send message and can take bulk information transmission bandwidth, use a large amount of data traffics, thereby caused the waste of resource.
Summary of the invention
The embodiment of the present invention provides a kind of ARP file transmitting method, VTEP and VxLAN controller of sending in VxLAN, can solve between the virtual machine based on the virtual network of VxLAN and set up in communication process, taken bulk information transmission bandwidth, use many flows, thereby caused the problem of the waste of resource.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, it is a kind of in the virtual method that sends ARP message in expanding local area network (LAN) VxLAN that the embodiment of the present invention provides, the described virtual local area network (LAN) of expanding comprises source VxLAN endpoint of a tunnel VTEP, target VTEP and VxLAN controller, described source VTEP is the communication at described VxLAN for the source virtual machine VM that moves on managed source server, described object VTEP is the communication at described VxLAN for the object VM that moves on administrative purposes server, described VxLAN controller is for safeguarding the mapping relations of the IP address of the Internet protocol IP address of described source VTEP and the mapping relations of the IP address of described source VM and the IP address of described object VTEP and described object VM, described VxLAN controller, communication mutually between described source VTEP and described object VTEP, described method comprises:
Described VxLAN controller receives the inquiry request of described source VTEP transmission to obtain the IP address of described object VTEP; Wherein, described inquiry request is carried the IP address of described object VM; Wherein, the IP address of described object VM is that described source VTEP obtains from the ARP message of described source VM transmission;
Described VxLAN controller, according to the mapping relations between the IP address of object VTEP described in the IP address of the IP address of described object VM and described object VM, is determined the IP address of described object VTEP;
Described VxLAN controller sends the IP address lookup response of carrying described object VTEP to described source VTEP, so that described source VTEP is packaged into described ARP message VxLAN message and is sent to described object VTEP according to the IP address of described object VTEP.
In conjunction with first aspect, in the possible implementation of the first of first aspect, receive the inquiry request of described source VTEP transmission at described VxLAN controller before, also comprise:
Described VxLAN controller obtains the mapping relations between the IP address of described object VM and the IP address of described object VTEP.
In conjunction with the possible implementation of the first of first aspect, in the possible implementation of the second of first aspect, also comprise:
When described object VM migration, described VxLAN controller receives the mapping relations after upgrading, mapping relations after described renewal are the mapping relations between the IP address of described object VM and the described object VM VTEP under current, and the VTEP under described object VM is current is described object VTEP.
Second aspect, the embodiment of the present invention provides a kind of and has sent ARP message sending method virtual in expanding local area network (LAN) VxLAN, the described virtual local area network (LAN) of expanding comprises source VxLAN endpoint of a tunnel VTEP, target VTEP and VxLAN controller, described source VTEP is the communication at described VxLAN for the source virtual machine VM that moves on managed source server, described object VTEP is the communication at described VxLAN for the object VM that moves on administrative purposes server, described VxLAN controller is for safeguarding the mapping relations of the IP address of the Internet protocol IP address of described source VTEP and the mapping relations of the IP address of described source VM and the IP address of described object VTEP and described object VM, described VxLAN controller, communication mutually between described source VTEP and described object VTEP, described method comprises:
Described source VTEP receives the ARP message of described source virtual machine VM, the medium access control MAC Address of described ARP message for asking described object VM, and described ARP message carries the IP address of described object VM;
Described source VTEP obtains the IP address of the described object VM that described ARP message carries;
Described source VTEP sends inquiry request to obtain the IP address of described object VTEP to described VxLAN controller; Described inquiry request is carried the IP address of described object VM;
Described source VTEP obtains the IP address of described object VTEP from described VxLAN controller;
Described source VTEP encapsulates described ARP message according to the IP address of described object VTEP and generates VxLAN message;
Described source VTEP sends described VxLAN message to described object VTEP.
The third aspect, a kind of virtual local area network (LAN) VxLAN controller of expanding of the embodiment of the present invention, be applied in VxLAN, described VxLAN comprises source VxLAN endpoint of a tunnel VTEP, target VTEP and VxLAN controller, described source VTEP is the communication at described VxLAN for the source virtual machine VM that moves on managed source server, described object VTEP is the communication at described VxLAN for the object VM that moves on administrative purposes server, described VxLAN controller is for safeguarding the mapping relations of the IP address of the Internet protocol IP address of described source VTEP and the mapping relations of the IP address of described source VM and the IP address of described object VTEP and described object VM, described VxLAN controller, communication mutually between described source VTEP and described object VTEP,
Wherein, the described virtual local area network (LAN) VxLAN controller of expanding comprises:
Receiving element, for receiving inquiry request that described source VTEP sends to obtain the IP address of described object VTEP; Wherein, described inquiry request is carried the IP address of described object VM; Wherein, the IP address of described object VM is that described source VTEP obtains from the ARP message of described source VM transmission;
Determining unit, for according to the mapping relations between the IP address of object VTEP described in the IP address of the IP address of described object VM and described object VM, determines the IP address of described object VTEP;
Transmitting element, for send the IP address lookup response of carrying described object VTEP to described source VTEP, so that described source VTEP is packaged into described ARP message VxLAN message and is sent to described object VTEP according to the IP address of described object VTEP.
In conjunction with the third aspect, in the possible implementation of the first of the third aspect, also comprise:
Acquiring unit, for obtaining the mapping relations between the IP address of described object VM and the IP address of described object VTEP.
In conjunction with the possible implementation of the first of the third aspect, in the possible implementation of the second of the third aspect,
Described acquiring unit, also for when described object VM moves, receive the mapping relations after upgrading, mapping relations after described renewal are the mapping relations between the IP address of described object VM and the described object VM VTEP under current, and the VTEP under described object VM is current is described object VTEP.
Fourth aspect, the embodiment of the present invention provides a kind of virtual local area network (LAN) VxLAN endpoint of a tunnel VTEP that expands, be applied in VxLAN, described VxLAN comprises source VxLAN endpoint of a tunnel VTEP, target VTEP and VxLAN controller, described source VTEP is the communication at described VxLAN for the source virtual machine VM that moves on managed source server, described object VTEP is the communication at described VxLAN for the object VM that moves on administrative purposes server, described VxLAN controller is for safeguarding the mapping relations of the IP address of the Internet protocol IP address of described source VTEP and the mapping relations of the IP address of described source VM and the IP address of described object VTEP and described object VM, described VxLAN controller, communication mutually between described source VTEP and described object VTEP,
Wherein, described source VxLAN endpoint of a tunnel VTEP comprises:
Receiving element, for receiving the ARP message of described source virtual machine VM, the medium access control MAC Address of described ARP message for asking described object VM, described ARP message carries the IP address of described object VM;
The first acquiring unit, for obtaining the IP address of the described object VM that described ARP message carries;
The first transmitting element, for sending inquiry request to obtain the IP address of described object VTEP to described VxLAN controller; Described inquiry request is carried the IP address of described object VM;
Second acquisition unit, for obtaining the IP address of described object VTEP from described VxLAN controller;
Generation unit, generates VxLAN message for encapsulate described ARP message according to the IP address of described object VTEP;
The second transmitting element, for sending described VxLAN message to described object VTEP.
A kind of ARP file transmitting method, VTEP and VxLAN controller of sending in VxLAN that the embodiment of the present invention provides, the source VTEP of making can obtain according to the ARP message of VM the IP address of object VM, then according to the corresponding relation of the IP address of the IP address of VM and VTEP, determine the IP address of the residing VTEP of object VM, last according to the IP address of the VTEP determining, to the VTEP corresponding with this IP address, forward the ARP message of VM.Than in prior art because source VTEP cannot be known the object VTEP address that object VM is corresponding in advance, and cause using the mode request message mode of multicast, source VTEP in technical solution of the present invention can directly determine object VTEP address, then according to this object VTEP address, mode with clean culture sends a request message to object VTEP, reduce the bandwidth that transmission message takies, saved the used flow that sends a request message, thereby reduced the waste of resource.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is VxLAN network architecture diagram in the embodiment of the present invention;
A kind of flow chart that sends ARP file transmitting method in VxLAN that Fig. 2 provides for the embodiment of the present invention;
The another kind that Fig. 3 provides for the embodiment of the present invention sends the flow chart of ARP file transmitting method in VxLAN;
The flow chart of a kind of VM that Fig. 4 provides for the embodiment of the present invention and the acquisition methods of VTEP corresponding relation;
A kind of interaction diagrams that send ARP file transmitting method in VxLAN that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of VTEP device that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of VxLAN controller that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the another kind of VxLAN controller that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the another kind of VTEP device that Fig. 9 provides for the embodiment of the present invention;
The structural representation of the another kind of VxLAN controller that Figure 10 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the present embodiment, the technical scheme in the present embodiment is clearly described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind ofly sends ARP message sending method virtual in expanding local area network (LAN) VxLAN, can be applicable in VxLAN as shown in Figure 1, described VxLAN comprises source VxLAN endpoint of a tunnel VTEP, target VTEP and VxLAN controller;
Described source VTEP is the communication at described VxLAN for the source virtual machine VM that moves on managed source server.
Described object VTEP is the communication at described VxLAN for the object VM that moves on administrative purposes server.
Described VxLAN controller, for safeguarding the mapping relations of the IP address of the Internet protocol IP address of described source VTEP and the mapping relations of the IP address of described source VM and the IP address of described object VTEP and described object VM, is communicated by letter mutually between described VxLAN controller, described source VTEP and described object VTEP.
An implementation, also comprises virtual management system and cloud operation management system outward at VxLAN.This virtual management system creates VM according to the granting request of cloud operation management system.And the information of management VM and VTEP, when VM information changes, is synchronized to cloud operation management system in time.This cloud operation management system is responsible for processing user VM business application request.Be responsible for the information of VM and VTEP to be synchronized to VxLAN controller, as the mapping relations between the IP address of VM and the IP address of VTEP are synchronized to VxLAN.
Based on the above-mentioned network architecture, the embodiment of the present invention provides a kind ofly sends ARP message sending method virtual in expanding local area network (LAN) VxLAN, need to be realized by source VTEP as shown in Figure 1.As shown in Figure 2, described method comprises the method:
101, receive the ARP message of described source virtual machine VM, the medium access control MAC Address of described ARP message for asking described object VM, described ARP message carries the IP address of described object VM.
102, obtain the IP address of the described object VM that described ARP message carries.
103, to described VxLAN controller, send inquiry request to obtain the IP address of described object VTEP; Described inquiry request is carried the IP address of described object VM.
104, from described VxLAN controller, obtain the IP address of described object VTEP.
Wherein, the IP address of described object VTEP can obtain according to the mapping relations of the IP address of the IP address of the described object VTEP safeguarding in described VxLAN controller and described object VM.
105, according to the IP address of described object VTEP, encapsulate described ARP message and generate VxLAN message.
Wherein, the mode of encapsulation meets the conventional method for packing of VxLAN.
106, to described object VTEP, send described VxLAN message.
The method that the embodiment of the present invention provides, source VTEP can obtain according to the ARP message of VM the IP address of object VM, then according to the corresponding relation of the IP address of the IP address of VM and VTEP, determine the IP address of the residing VTEP of object VM, last according to the IP address of the VTEP determining, to the VTEP corresponding with this IP address, forward the ARP message of VM.Than in prior art because source VTEP cannot be known the object VTEP address that object VM is corresponding in advance, and cause using the mode request message mode of multicast, source VTEP in technical solution of the present invention can directly determine object VTEP address, then according to this object VTEP address, mode with clean culture sends a request message to object VTEP, reduce the bandwidth that transmission message takies, saved the used flow that sends a request message, thereby reduced the waste of resource.
The another kind that the embodiment of the present invention provides sends ARP message sending method virtual in expanding local area network (LAN) VxLAN, need to be realized by VxLAN controller as shown in Figure 1.As shown in Figure 3, described method comprises the method:
201, the inquiry request that receives described source VTEP transmission is to obtain the IP address of described object VTEP.
Wherein, described inquiry request is carried the IP address of described object VM; Wherein, the IP address of described object VM is that described source VTEP obtains from the ARP message of described source VM transmission.
202,, according to the mapping relations between the IP address of the IP address of described object VM and described object VM and the IP address of described object VTEP, determine the IP address of described object VTEP.
203, to described source VTEP, send the IP address lookup response of carrying described object VTEP, so that described source VTEP is packaged into described ARP message VxLAN message and is sent to described object VTEP according to the IP address of described object VTEP.
Above step 201 is echoed with step 103 and 104 mutually to 203.
The method that the embodiment of the present invention provides, VxLAN controller can be in response to the inquiry request of source VTEP, for source VTEP determines the IP address of the residing VTEP of object VM, and the IP address of this object VTEP is fed back to described source VTEP, make described source VTEP according to the IP address of described object VTEP, described ARP message is packaged into VxLAN message and be sent to described object VTEP.Than in prior art because source VTEP cannot be known the object VTEP address that object VM is corresponding in advance, and cause using the mode request message mode of multicast, source VTEP in technical solution of the present invention can directly determine object VTEP address, then according to this object VTEP address, mode with clean culture sends a request message to object VTEP, reduce the bandwidth that transmission message takies, saved the used flow that sends a request message, thereby reduced the waste of resource.
Optionally, in the another kind of implementation of the embodiment of the present invention, provide the acquisition methods of the mapping relations between the IP address of object VM and the IP address of object VTEP, before execution and step 201, as shown in Figure 4, having comprised:
204, described VxLAN controller obtains the mapping relations between the IP address of object VTEP described in the IP address of described object VM from cloud operation management system.
Wherein, mapping relations described in the IP address of described object VM between the IP address of object VTEP are set up when the described object VTEP of establishment manages described object VM by virtual management system, and are sent to described cloud operation management system by described virtual management system.
Optionally, in the another kind of implementation of the embodiment of the present invention, provide the update method of the mapping relations between the IP address of object VM and the IP address of object VTEP, having comprised:
Mapping relations after the renewal that described VxLAN controller reception cloud operation management system sends, mapping relations after described renewal are the mapping relations between the IP address of described object VM and the described object VM VTEP under current, and the VTEP under described object VM is current is described object VTEP.
In addition, the embodiment of the present invention also provides the interaction flow between a provenance VTEP and VxLAN controller at this, as shown in Figure 5, comprising:
301, source VTEP receives the ARP message of described source virtual machine VM, the medium access control MAC Address of described ARP message for asking described object VM, and described ARP message carries the IP address of described object VM.
302, source VTEP obtains the IP address of the described object VM that described ARP message carries.
303, source VTEP sends inquiry request to described VxLAN controller, and described inquiry request is carried the IP address of described object VM.
304, VxLAN controller, according to the mapping relations between the IP address of object VTEP described in the IP address of the IP address of described object VM and described object VM, is determined the IP address of described object VTEP.
305, VxLAN controller sends the IP address lookup response of carrying described object VTEP to described source VTEP.
306, source VTEP is from obtaining the IP address of described object VTEP according to described inquiry response.
307, source VTEP encapsulates described ARP message according to the IP address of described object VTEP and generates VxLAN message.
308, source VTEP sends described VxLAN message to described object VTEP.
For realizing said method flow process, the embodiment of the present invention also provides a kind of VTEP, as shown in Figure 6, comprising:
Receiving element 41, for receiving the ARP message of described source virtual machine VM, the medium access control MAC Address of described ARP message for asking described object VM, described ARP message carries the IP address of described object VM.
The first acquiring unit 42, for obtaining the IP address of the described object VM that described ARP message carries.
The first transmitting element 43, for sending inquiry request to obtain the IP address of described object VTEP to described VxLAN controller; Described inquiry request is carried the IP address of described object VM.
Second acquisition unit 44, for obtaining the IP address of described object VTEP from described VxLAN controller.
Generation unit 45, generates VxLAN message for encapsulate described ARP message according to the IP address of described object VTEP.
The second transmitting element 46, for sending described VxLAN message to described object VTEP.
The VTEP that the embodiment of the present invention provides, VxLAN controller can be in response to the inquiry request of source VTEP, for source VTEP determines the IP address of the residing VTEP of object VM, and the IP address of this object VTEP is fed back to described source VTEP, make described source VTEP according to the IP address of described object VTEP, described ARP message is packaged into VxLAN message and be sent to described object VTEP.Than in prior art because source VTEP cannot be known the object VTEP address that object VM is corresponding in advance, and cause using the mode request message mode of multicast, source VTEP in technical solution of the present invention can directly determine object VTEP address, then according to this object VTEP address, mode with clean culture sends a request message to object VTEP, reduce the bandwidth that transmission message takies, saved the used flow that sends a request message, thereby reduced the waste of resource.
The embodiment of the present invention also provides a kind of VxLAN controller, as shown in Figure 7, comprising:
Receiving element 51, for receiving inquiry request that described source VTEP sends to obtain the IP address of described object VTEP.
Wherein, described inquiry request is carried the IP address of described object VM; Wherein, the IP address of described object VM is that described source VTEP obtains from the ARP message of described source VM transmission.
Determining unit 52, for according to the mapping relations between the IP address of object VTEP described in the IP address of the IP address of described object VM and described object VM, determines the IP address of described object VTEP.
Transmitting element 53, for send the IP address lookup response of carrying described object VTEP to described source VTEP, so that described source VTEP is packaged into described ARP message VxLAN message and is sent to described object VTEP according to the IP address of described object VTEP.
Optionally, as shown in Figure 8, described VxLAN controller also comprises:
Acquiring unit 54, for obtaining the mapping relations between the IP address of described object VM and the IP address of described object VTEP.
Optionally, described acquiring unit 54 is also for when described object VM moves, receive the mapping relations after upgrading, mapping relations after described renewal are the mapping relations between the IP address of described object VM and the described object VM VTEP under current, and the VTEP under described object VM is current is described object VTEP.
The VxLAN controller that the embodiment of the present invention provides, VxLAN controller can be in response to the inquiry request of source VTEP, for source VTEP determines the IP address of the residing VTEP of object VM, and the IP address of this object VTEP is fed back to described source VTEP, make described source VTEP according to the IP address of described object VTEP, described ARP message is packaged into VxLAN message and be sent to described object VTEP.Than in prior art because source VTEP cannot be known the object VTEP address that object VM is corresponding in advance, and cause using the mode request message mode of multicast, source VTEP in technical solution of the present invention can directly determine object VTEP address, then according to this object VTEP address, mode with clean culture sends a request message to object VTEP, reduce the bandwidth that transmission message takies, saved the used flow that sends a request message, thereby reduced the waste of resource.
The embodiment of the present invention also provides a kind of VTEP device, as described in Figure 9, this device comprises processor 61, memory 62, input/output interface 63, described memory 62 is configured program code, and described processor is for calling the program code of described memory 62 configurations, in order to realize the method flow of the VTEP side as shown in Fig. 2 and Fig. 5, described input/output interface 63, for sending and receiving information, wherein, can communicate by bus between above-mentioned each device.
Described input/output interface 63, for receiving the ARP message of described source virtual machine VM, the medium access control MAC Address of described ARP message for asking described object VM, described ARP message carries the IP address of described object VM; And, for sending inquiry request to obtain the IP address of described object VTEP to described VxLAN controller; Described inquiry request is carried the IP address of described object VM; And, for obtain the IP address of described object VTEP from described VxLAN controller; And, for send described VxLAN message to described object VTEP
Described processor 61 is also for, the IP address that obtains the described object VM that described ARP message carries; And generate VxLAN message for encapsulate described ARP message according to the IP address of described object VTEP.
The VTEP that the embodiment of the present invention provides, VxLAN controller can be in response to the inquiry request of source VTEP, for source VTEP determines the IP address of the residing VTEP of object VM, and the IP address of this object VTEP is fed back to described source VTEP, make described source VTEP according to the IP address of described object VTEP, described ARP message is packaged into VxLAN message and be sent to described object VTEP.Than in prior art because source VTEP cannot be known the object VTEP address that object VM is corresponding in advance, and cause using the mode request message mode of multicast, source VTEP in technical solution of the present invention can directly determine object VTEP address, then according to this object VTEP address, mode with clean culture sends a request message to object VTEP, reduce the bandwidth that transmission message takies, saved the used flow that sends a request message, thereby reduced the waste of resource.
The embodiment of the present invention also provides a kind of VxLAN controller, as described in Figure 10, this electric terminal comprises processor 71, memory 72, input/output interface 73, described memory 72 is configured program code, and described processor is for calling the program code of described memory 72 configurations, in order to realize the method flow of the VTEP side as shown in Fig. 3,4 and 5, described input/output interface 73, for sending and receiving information, wherein, can communicate by bus between above-mentioned each device.
Described input/output interface 73, for receiving inquiry request that described source VTEP sends to obtain the IP address of described object VTEP; Wherein, described inquiry request is carried the IP address of described object VM; Wherein, the IP address of described object VM is that described source VTEP obtains from the ARP message of described source VM transmission; And for send the IP address lookup response of carrying described object VTEP to described source VTEP, so that described source VTEP is packaged into described ARP message VxLAN message and is sent to described object VTEP according to the IP address of described object VTEP.
Described processor 71, for according to the mapping relations between the IP address of object VTEP described in the IP address of the IP address of described object VM and described object VM, determines the IP address of described object VTEP.
Optionally, described input/output interface 73, also for obtaining the mapping relations between the IP address of object VTEP described in the IP address of described object VM.
Optionally, described input/output interface 73 is also for when described object VM moves, receive the mapping relations after upgrading, mapping relations after described renewal are the mapping relations between the IP address of described object VM and the described object VM VTEP under current, and the VTEP under described object VM is current is described object VTEP.
The VxLAN controller that the embodiment of the present invention provides, VxLAN controller can be in response to the inquiry request of source VTEP, for source VTEP determines the IP address of the residing VTEP of object VM, and the IP address of this object VTEP is fed back to described source VTEP, make described source VTEP according to the IP address of described object VTEP, described ARP message is packaged into VxLAN message and be sent to described object VTEP.Than in prior art because source VTEP cannot be known the object VTEP address that object VM is corresponding in advance, and cause using the mode request message mode of multicast, source VTEP in technical solution of the present invention can directly determine object VTEP address, then according to this object VTEP address, mode with clean culture sends a request message to object VTEP, reduce the bandwidth that transmission message takies, saved the used flow that sends a request message, thereby reduced the waste of resource.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by the described protection range with claim.
Claims (8)
1. one kind in the virtual method that sends ARP message in expanding local area network (LAN) VxLAN, it is characterized in that, the described virtual local area network (LAN) of expanding comprises source VxLAN endpoint of a tunnel VTEP, target VTEP and VxLAN controller, described source VTEP is the communication at described VxLAN for the source virtual machine VM that moves on managed source server, described object VTEP is the communication at described VxLAN for the object VM that moves on administrative purposes server, described VxLAN controller is for safeguarding the mapping relations of the IP address of the Internet protocol IP address of described source VTEP and the mapping relations of the IP address of described source VM and the IP address of described object VTEP and described object VM, described VxLAN controller, communication mutually between described source VTEP and described object VTEP, described method comprises:
Described VxLAN controller receives the inquiry request of described source VTEP transmission to obtain the IP address of described object VTEP; Wherein, described inquiry request is carried the IP address of described object VM; Wherein, the IP address of described object VM is that described source VTEP obtains from the ARP message of described source VM transmission;
Described VxLAN controller, according to the mapping relations between the IP address of object VTEP described in the IP address of the IP address of described object VM and described object VM, is determined the IP address of described object VTEP;
Described VxLAN controller sends the IP address lookup response of carrying described object VTEP to described source VTEP, so that described source VTEP is packaged into described ARP message VxLAN message and is sent to described object VTEP according to the IP address of described object VTEP.
2. method according to claim 1, is characterized in that, before receiving the inquiry request of described source VTEP transmission, also comprises at described VxLAN controller:
Described VxLAN controller obtains the mapping relations between the IP address of described object VM and the IP address of described object VTEP.
3. method according to claim 2, is characterized in that, also comprises:
When described object VM migration, described VxLAN controller receives the mapping relations after upgrading, mapping relations after described renewal are the mapping relations between the IP address of described object VM and the described object VM VTEP under current, and the VTEP under described object VM is current is described object VTEP.
4. one kind sends ARP message sending method virtual in expanding local area network (LAN) VxLAN, it is characterized in that, the described virtual local area network (LAN) of expanding comprises source VxLAN endpoint of a tunnel VTEP, target VTEP and VxLAN controller, described source VTEP is the communication at described VxLAN for the source virtual machine VM that moves on managed source server, described object VTEP is the communication at described VxLAN for the object VM that moves on administrative purposes server, described VxLAN controller is for safeguarding the mapping relations of the IP address of the Internet protocol IP address of described source VTEP and the mapping relations of the IP address of described source VM and the IP address of described object VTEP and described object VM, described VxLAN controller, communication mutually between described source VTEP and described object VTEP, described method comprises:
Described source VTEP receives the ARP message of described source virtual machine VM, the medium access control MAC Address of described ARP message for asking described object VM, and described ARP message carries the IP address of described object VM;
Described source VTEP obtains the IP address of the described object VM that described ARP message carries;
Described source VTEP sends inquiry request to obtain the IP address of described object VTEP to described VxLAN controller; Described inquiry request is carried the IP address of described object VM;
Described source VTEP obtains the IP address of described object VTEP from described VxLAN controller;
Described source VTEP encapsulates described ARP message according to the IP address of described object VTEP and generates VxLAN message;
Described source VTEP sends described VxLAN message to described object VTEP.
5. the virtual local area network (LAN) VxLAN controller of expanding, it is characterized in that, be applied in VxLAN, described VxLAN comprises source VxLAN endpoint of a tunnel VTEP, target VTEP and VxLAN controller, described source VTEP is the communication at described VxLAN for the source virtual machine VM that moves on managed source server, described object VTEP is the communication at described VxLAN for the object VM that moves on administrative purposes server, described VxLAN controller is for safeguarding the mapping relations of the IP address of the Internet protocol IP address of described source VTEP and the mapping relations of the IP address of described source VM and the IP address of described object VTEP and described object VM, described VxLAN controller, communication mutually between described source VTEP and described object VTEP,
Wherein, the described virtual local area network (LAN) VxLAN controller of expanding comprises:
Receiving element, for receiving inquiry request that described source VTEP sends to obtain the IP address of described object VTEP; Wherein, described inquiry request is carried the IP address of described object VM; Wherein, the IP address of described object VM is that described source VTEP obtains from the ARP message of described source VM transmission;
Determining unit, for according to the mapping relations between the IP address of object VTEP described in the IP address of the IP address of described object VM and described object VM, determines the IP address of described object VTEP;
Transmitting element, for send the IP address lookup response of carrying described object VTEP to described source VTEP, so that described source VTEP is packaged into described ARP message VxLAN message and is sent to described object VTEP according to the IP address of described object VTEP.
6. VxLAN controller according to claim 5, is characterized in that, also comprises:
Acquiring unit, for obtaining the mapping relations between the IP address of described object VM and the IP address of described object VTEP.
7. VxLAN controller according to claim 6, is characterized in that,
Described acquiring unit, also for when described object VM moves, receive the mapping relations after upgrading, mapping relations after described renewal are the mapping relations between the IP address of described object VM and the described object VM VTEP under current, and the VTEP under described object VM is current is described object VTEP.
8. the virtual local area network (LAN) VxLAN endpoint of a tunnel VTEP that expands, it is characterized in that, be applied in VxLAN, described VxLAN comprises source VxLAN endpoint of a tunnel VTEP, target VTEP and VxLAN controller, described source VTEP is the communication at described VxLAN for the source virtual machine VM that moves on managed source server, described object VTEP is the communication at described VxLAN for the object VM that moves on administrative purposes server, described VxLAN controller is for safeguarding the mapping relations of the IP address of the Internet protocol IP address of described source VTEP and the mapping relations of the IP address of described source VM and the IP address of described object VTEP and described object VM, described VxLAN controller, communication mutually between described source VTEP and described object VTEP,
Wherein, described source VxLAN endpoint of a tunnel VTEP comprises:
Receiving element, for receiving the ARP message of described source virtual machine VM, the medium access control MAC Address of described ARP message for asking described object VM, described ARP message carries the IP address of described object VM;
The first acquiring unit, for obtaining the IP address of the described object VM that described ARP message carries;
The first transmitting element, for sending inquiry request to obtain the IP address of described object VTEP to described VxLAN controller; Described inquiry request is carried the IP address of described object VM;
Second acquisition unit, for obtaining the IP address of described object VTEP from described VxLAN controller;
Generation unit, generates VxLAN message for encapsulate described ARP message according to the IP address of described object VTEP;
The second transmitting element, for sending described VxLAN message to described object VTEP.
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| PCT/CN2014/085157 WO2015081734A1 (en) | 2013-12-04 | 2014-08-26 | Sending method for sending arp packet in vxlan, vtep, and vxlan controller |
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| WO2015081734A1 (en) | 2015-06-11 |
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