CN106230740A - Message forwarding method in a kind of VXLAN and device - Google Patents
Message forwarding method in a kind of VXLAN and device Download PDFInfo
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- CN106230740A CN106230740A CN201610713042.9A CN201610713042A CN106230740A CN 106230740 A CN106230740 A CN 106230740A CN 201610713042 A CN201610713042 A CN 201610713042A CN 106230740 A CN106230740 A CN 106230740A
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- message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/20—Traffic policing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
Abstract
Embodiments providing the message forwarding method in a kind of virtual expansible LAN VXLAN and device, described method includes: receive the message from the first virtual machine VM；The target authentication server matched with message is selected according to loading rule set in advance；The port being connected with other certificate server in addition to target authentication server is set to port blocked；Message is sent to target authentication server, so that message is sent to purpose terminal by target authentication server.The present invention can resource in Appropriate application VXLAN redundancy structure network, promote resource utilization and message forward efficiency, alleviate system burden simultaneously.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the message forwarding method in a kind of VXLAN and device.
Background technology
VXLAN (Virtual eXtensible LAN, virtual expansible LAN) be one by two layer message with three layers
The technology that agreement is packaged, can be extended in the range of three-layer network double layer network.At present, based on VXLAN technology
VMware certification networking application be typically with the mode of redundancy and carry out system building.But, carry out in a redundant way even
In the network connect, it will usually there are the multiple certificate servers being connected with source terminal and receiving the message from source terminal
Time, this message can be forwarded to purpose terminal simultaneously.So that purpose terminal repeats to receive identical message, cause resource profit
, the problem of system burden weight low with rate variance, message forward efficiency.For this technical problem, effective solution is the most not yet proposed
Scheme.
Summary of the invention
Embodiment of the present invention technical problem to be solved is to provide the message forwarding method in a kind of VXLAN and device,
To improve the resource utilization in redundant network framework and message forward efficiency, alleviate system burden simultaneously.Above-mentioned in order to solve
Problem, the embodiment of the invention discloses the message forwarding method in a kind of VXLAN, including:
Receive the message of self virtualizing machine VM；
The target authentication server matched with message is selected according to loading rule set in advance；
The port being connected with other certificate server in addition to target authentication server is set to port blocked；
Message is sent to target authentication server, so that message is sent to purpose terminal by target authentication server.
Accordingly, the embodiment of the present invention additionally provides the apparatus for forwarding message in a kind of VXLAN, in order to ensure said method
Realization and application, this device includes:
Receiver module, for receiving the message of self virtualizing machine VM；
Select module, for selecting the target authentication server matched with message according to loading rule set in advance；
Module is set, arranges for the port being connected with other certificate server in addition to target authentication server
For port blocked；
Sending module, for sending message to target authentication server, so that message is sent by target authentication server
To purpose terminal.
In sum, the technical scheme in the embodiment of the present invention, by receiving the message from the first virtual machine VM；According to
Loading rule set in advance selects the target authentication server matched with message；By with in addition to target authentication server
The port that other certificate server is connected is set to port blocked；Message is sent to target authentication server, so that target
Message is sent to purpose terminal by certificate server such that it is able to the resource in Appropriate application VXLAN redundancy structure network, promotes
Resource utilization and message forward efficiency, alleviate system burden simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by institute in the description to the embodiment of the present invention
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the network connection diagram in certification networking application based on VXLAN technology；
Fig. 2 is the flow chart of steps of the message forwarding method embodiment in a kind of VXLAN of the present invention；
Fig. 3 is one of structured flowchart of apparatus for forwarding message embodiment in a kind of VXLAN of the present invention；
Fig. 4 is the two of the structured flowchart of the apparatus for forwarding message embodiment in a kind of VXLAN of the present invention；
Fig. 5 is the three of the structured flowchart of the apparatus for forwarding message embodiment in a kind of VXLAN of the present invention.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
VTEP is the edge device in VXLAN, and the related service in VXLAN is all carried out on VTEP, such as: identify ether
VXLAN belonging to net data frame, based on VXLAN Frame carried out two layers forward and the business such as encapsulation/decapsulation message.Its
In, VTEP can be the physical equipment of a platform independent, it is also possible to be by the virtual equipment out of virtual server.
With reference to Fig. 1, it is shown that the network connection diagram in certification networking application based on VXLAN technology.In FIG:
Source terminal (being illustrated as VTEP1) is connected with VM1 (Virtual Machine, virtual machine).Further, VTEP1 and certification
Server 1-3 is respectively connected with.
Purpose terminal (being illustrated as VTEP2) is connected with VM2.Further, VTEP2 is respectively connected with certificate server 1-3 equally.
In one embodiment, owing to using the mode of redundancy to carry out between VTEP1 and VTEP2 and certificate server 1-3
Connect.Therefore, when VTEP1 receives the message from VM1, VTEP1 will send this message by the way of broadcast.Certification takes
Business device 1-3 all receives the message from VTEP1, and subsequently, certificate server 1-3 forwards the packet to VTEP2.
Therefore, when forwarding message in redundant network framework in this embodiment, VTEP2 can repeat to receive phase
Same message, causes the problem that utilization of resources rate variance, message forward efficiency are low, system burden is heavy.
For the problem of above-mentioned existence, one of core idea of the embodiment of the present invention is to propose the report in a kind of VXLAN
Literary composition retransmission method and device, to improve the resource utilization in redundant network framework based on VXLAN technology and message forwarding
Efficiency, alleviates system burden simultaneously.
With reference to Fig. 2, it is shown that the flow chart of steps of the message forwarding method embodiment in a kind of VXLAN of the present invention, tool
Body may include steps of:
Step 201, receives the message from the first virtual machine VM.
In conjunction with Fig. 1, in this step, source terminal (VTEP1) receives the message of self virtualizing machine VM.
Step 202, selects the target authentication server matched with message according to loading rule set in advance.
Concrete, source terminal, according to loading rule set in advance, selects from coupled multiple certificate servers
Select out the target authentication server matched with this message.
Step 203, is set to resistance by the port being connected with other certificate server in addition to target authentication server
Plug port.
Concrete, the port that other certificate server in addition to target authentication server is connected is respectively provided with by source terminal
For port blocked.
Step 204, sends message to target authentication server, so that message is sent to purpose by target authentication server
Terminal.
Concrete, message is sent to the certificate server being not flagged as corresponding to port blocked, i.e. mesh by source terminal
Mark certificate server.After this target authentication server receives message, this message is forwarded to purpose terminal.
In sum, the technical scheme in the embodiment of the present invention, by receiving the message from the first virtual machine VM；According to
Loading rule set in advance selects the target authentication server matched with message；By with in addition to target authentication server
The port that other certificate server is connected is set to port blocked；Message is sent to target authentication server, so that target
Message is sent to purpose terminal by certificate server.It is thus possible to the resource in Appropriate application VXLAN redundancy structure network, promote
Resource utilization and message forward efficiency, alleviate system burden simultaneously.
In a preferred embodiment of the invention, select and described message phase according to loading rule set in advance
The target authentication server joined, specifically may include that
According to the expense between each certificate server, determine target authentication server, or
According to the load condition of each certificate server, determine target authentication server, or
According to the type of message, determine target authentication server.
In other embodiments, it is also possible to specified target authentication server by user, this is not limited by the present invention.
In a preferred embodiment of the invention, source terminal is after setting up port blocked, it is also possible to set up a report
Literary composition forward table, by the port numbers record of all certificate servers being connected with source terminal in this message forward table.Further, exist
By the port of certificate server corresponding for port blocked (that is, removing with target authentication server deserved port) in message forward table
Labelled notation is blocked state.
In a preferred embodiment of the invention, source terminal is when sending the message from VM, and retrieval message forwards
List, thus go out to be not labeled as the port of blocked state by the label lookup in message forwarding list, then this port is corresponding
Certificate server be target authentication server.Source terminal is according to the result retrieved, only to being not labeled as blocked state
Port send this message.Therefore, the target authentication server that the port of blocked state is connected only it is not labeled as with this
Receiving message, the certificate server being connected with other port will not receive message.
In a preferred embodiment of the invention, the message from VM can also be replicated by source terminal.Pass through
Retrieval message forwarding list, determines that the port numbers of the port being connected with target authentication server is not labeled as blocked state.
Then, former message is sent to target authentication server, is forwarded the packet to target VTEP by target authentication server.With
Time, source terminal adds identification information in the message after replicating, and constitutes object message, and sends object message to being marked as
Certificate server corresponding to the port of blocked state so that certificate server is when recognizing object message and carrying identification information,
Abandon this object message.In embodiments of the invention, by introducing identification tag information the mechanism of dropping packets, certification is made to take
Business device, when receiving the message carrying identification information, does not forwards this message to VTEP, thus efficiently solves target VTEP and can weigh
The problem receiving message again.Further, in a preferred embodiment of the invention, VTEP can also carry mark letter by this
The message of breath detects the current state of standby certificate server (being labeled as the certificate server that the port of blocked state is corresponding).Tool
Body, when standby certificate server receives this message carrying identification information, this message will be responded, i.e. lose
Response message is sent to source VTEP, so that VTEP can accurately know current each standby certificate server while abandoning this message
Communications status.
In order to be better understood from the present invention, it is described in detail with specific embodiment below.
Referring now still to Fig. 1, before Business Processing starts, user can arrange loading rule on VTEP1.When VM1 reaches the standard grade
After, VTEP1 will select one of them certification according to the loading rule pre-set from 3 coupled certificate servers
Server, as target authentication server, is completed to forward the message from VM1 by this target authentication server.
In the present embodiment, the loading rule of configuration can include following at least one:
According to the expense between each certificate server, determine target authentication server.In an embodiment of the present invention, with
The certificate server of expense minimum is as target authentication server.In a preferred embodiment of the invention, VTEP1 is with each
Expense between certificate server includes but not limited to: and the bandwidth occupancy shape of the communication link between all certificate servers
State, and and all certificate servers between the time delay state of communication link, or
According to the load condition of each certificate server, determine target authentication server.In an embodiment of the present invention, permissible
Using the minimum certificate server of load condition as target authentication server, or
According to the type of message, determine target authentication server.In an embodiment of the present invention, VTEP1 is according to message
After type determines target authentication server, then target authentication server can be one or more any amount, i.e. same
The message of one type sends to same certificate server.Such as: message high for priority is all sent to certificate server 1, will
The message of low priority is all sent to certificate server 2.
In other embodiments, user can also specify and therein recognize according to the actual requirements from multiple certificate servers
Card server is as the target authentication server corresponding with message.
With continued reference to Fig. 1, in the present embodiment, VTEP1 select certificate server 1 as target authentication server, and
The port that certificate server 2 is connected with 3 is disposed as port blocked.
VTEP1 sets up message forwarding list, includes all of the port being connected with certificate server in this forwarding list
Port numbers and port status, and and receiving port between corresponding relation.Wherein, receiving port refers to be connected with VM1
Port.In the present embodiment, the port numbers being connected between VTEP1 with certificate server 1,2,3 is respectively port 1, port
2, port 3, are port 4 with the port numbers being connected between VM1.Therefore, in this message forwarding list, corresponding to port 1
Port status is not for block, and the port status corresponding to port 2 and 3 is blocked state.And, port 1-3 is with port 4 respectively
Corresponding.
VTEP1, when sending the message of VM1, by retrieval message forwarding list, determines in forwarding list, authentication service
The port status of device 1 is unmarked.Then message is packaged by VTEP1, and is sent to recognizing by port 1 by the message after encapsulation
Card server 1, and do not send to other certificate server.Then, certificate server 1 message decapsulated and be forwarded to
VTEP2。
In another embodiment of the present invention, VTEP1 is when sending the message of VM1, it is also possible to by adding message
The mode of identification information, it is achieved only forwarded this message by certificate server 1.Detailed description of the invention is as follows:
The message from VM1 received is replicated by VTEP1.Former message is normally encapsulated, and by after encapsulation
Message send to certificate server 1.Other message then needs to add in message after packaging identification information.
In a preferred embodiment of the invention, the mode to message interpolation identification information can be at wrapper
Head, i.e. dirty bit or reserved field in VXLAN head (VXLAN Header), so that certificate server can be right
Identification information is identified.
In an embodiment of the present invention, the concrete grammar of dirty bit or reserved field can be:
1) bit position 0 that will specify.In the present embodiment, it is intended that bit be last bit, at other
It embodiment can also be other bit.Further, in other embodiments, it is also possible to using bit position 1 as identification information.
2) at least one Reserved field is revised.One of them Reserved field has 4 bytes, another
Reserved field has 1 byte, and user can arrange the amendment mode of Reserved field voluntarily.This is not limited by the present invention
Fixed.
In an embodiment of the present invention, as a example by the 1st kind of mode, i.e. in VTEP1 message after packaging, by VXLAN
Last bit position 0 in Header.With continued reference to Fig. 1, the message that VTEP1 is sent by certificate server 1 unseals
Dress, and the message after decapsulation is detected.When last bit detected in VXLAN Header is 1, then
This message is forwarded to VTEP2.
The message that VTEP1 is sent by certificate server 2 and 3 equally decapsulates, and carries out the message after decapsulation
Detection.When last bit detected in VXLAN Header is 0, certificate server 2 and 3 will abandon this message.
Additionally, in one embodiment of the invention, after having new user VM2 to reach the standard grade, VTEP2 can according to loading rule,
Again the message sent for VM2 selects the target authentication server matched with it.Thus effectively utilize system resource, improve
Resource utilization.
In another embodiment of the present invention, if the communication link between VTEP1 and certificate server 1 occurs event
Barrier, then VTEP1 can be that the message that VM1 sends reselects a matched target authentication service according to loading rule
Device, in the present embodiment, the target authentication server reselected is certificate server 2.VTEP1 can be by right for certificate server 1
The status indication of the port 1 answered is fault, and by the status modifier of the port 2 of certificate server 2 correspondence for not block.
On the basis of above-described embodiment, this enforcement additionally provides the apparatus for forwarding message in a kind of VXLAN.
With reference to Fig. 3, it is shown that the structured flowchart of the apparatus for forwarding message embodiment in a kind of VXLAN of the present invention, specifically may be used
To include such as lower module:
Receiver module 31, for receiving the message of self virtualizing machine VM.
Select module 32, for selecting the target authentication service matched with message according to loading rule set in advance
Device.
Optionally, in a preferred embodiment of the invention, select that module 32 can at least one be pre-according to following
If loading rule select target authentication server:
According to the expense between each certificate server, determine target authentication server, or
According to the load condition of each certificate server, determine target authentication server, or
According to the type of message, determine target authentication server.
Module 33 is set, for being set by the port being connected with other certificate server in addition to target authentication server
It is set to port blocked.
Sending module 34, for sending message to target authentication server, so that message is sent out by target authentication server
Give purpose terminal.
With reference to Fig. 4, in a preferred embodiment of the invention, on the basis of Fig. 3, module 33 is set and also includes:
Setting up submodule 41, be used for setting up message forward table, wherein, in message forwarding list, record has and takes with all certifications
The port numbers of all of the port that business device is connected.
Labelling submodule 42, in message forwarding list, is labeled as port numbers corresponding for port blocked blocking shape
State.
With reference to Fig. 5, in a preferred embodiment of the invention, on the basis of Fig. 3, sending module 34 also includes:
First sends submodule 51, for according to message forwarding list, by message by the unmarked end for blocked state
Mouth sends to target authentication server.
Second sends submodule 52, for according to forwarding list, sending the message carrying identification information to being labeled as
Certificate server corresponding to the port of blocked state, so that certificate server is when recognizing identification information, dropping packets.
For device embodiment, due to itself and embodiment of the method basic simlarity, so describe is fairly simple, relevant
Part sees the part of embodiment of the method and illustrates.
Each embodiment in this specification all uses the mode gone forward one by one to describe, what each embodiment stressed is with
The difference of other embodiments, between each embodiment, identical similar part sees mutually.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present invention can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present invention can use complete hardware embodiment, complete software implementation or combine software and
The form of the embodiment of hardware aspect.And, the embodiment of the present invention can use one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) of program code
The form of the computer program implemented.
The embodiment of the present invention is with reference to method, terminal unit (system) and computer program according to embodiments of the present invention
The flow chart of product and/or block diagram describe.It should be understood that can be by computer program instructions flowchart and/or block diagram
In each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.These can be provided
Computer program instructions sets to general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that held by the processor of computer or other programmable data processing terminal equipment
The instruction of row produces for realizing in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame
The device of the function specified.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing terminal equipment
In the computer-readable memory worked in a specific way so that the instruction being stored in this computer-readable memory produces bag
Including the manufacture of command device, this command device realizes in one flow process of flow chart or multiple flow process and/or one side of block diagram
The function specified in frame or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment so that
On computer or other programmable terminal equipment, execution sequence of operations step is to produce computer implemented process, thus
The instruction performed on computer or other programmable terminal equipment provides for realizing in one flow process of flow chart or multiple flow process
And/or the step of the function specified in one square frame of block diagram or multiple square frame.
Although having been described for the preferred embodiment of the embodiment of the present invention, but those skilled in the art once knowing base
This creativeness concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to
The all changes including preferred embodiment and falling into range of embodiment of the invention and amendment.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or terminal unit not only wrap
Include those key elements, but also include other key elements being not expressly set out, or also include for this process, method, article
Or the key element that terminal unit is intrinsic.In the case of there is no more restriction, by wanting that statement " including ... " limits
Element, it is not excluded that there is also other identical element in including the process of described key element, method, article or terminal unit.
Above to the message forwarding method in a kind of VXLAN provided by the present invention and device, it is described in detail, this
Applying specific case in literary composition to be set forth principle and the embodiment of the present invention, the explanation of above example is only intended to
Help to understand method and the core concept thereof of the present invention；Simultaneously for one of ordinary skill in the art, according to the think of of the present invention
Thinking, the most all will change, in sum, it is right that this specification content should not be construed as
The restriction of the present invention.
Claims (10)
1. the message forwarding method in a virtual expansible LAN VXLAN, it is characterised in that including:
Receive the message of self virtualizing machine VM；
The target authentication server matched with described message is selected according to loading rule set in advance；
The port being connected with other certificate server in addition to described target authentication server is set to port blocked；
Described message is sent to described target authentication server, so that described message is sent to by described target authentication server
Purpose terminal.
Method the most according to claim 1, it is characterised in that described according to loading rule set in advance select with described
The target authentication server that message matches, specifically includes:
According to the expense between each certificate server and/or the load condition of each certificate server and/or the class of described message
Type, determines described target authentication server.
Method the most according to claim 1, it is characterised in that described by with its in addition to described target authentication server
The port that its certificate server is connected is set to the step of port blocked, including:
Setting up message forwarding list, wherein, in described message forwarding list, record has the port being connected with each certificate server
Port numbers；
In described message forwarding list, port numbers corresponding for described port blocked is labeled as blocked state.
Method the most according to claim 3, it is characterised in that described by the transmission extremely described target authentication service of described message
Device, so that described message is sent to the step of purpose terminal by described target authentication server, including:
According to described message forwarding list, described message is sent extremely described target by the unmarked port for blocked state and recognizes
Card server.
Method the most according to claim 3, it is characterised in that described by the transmission extremely described target authentication service of described message
Device, so that described message is sent to the step of purpose terminal by described target authentication server, including:
According to described forwarding list, the message carrying identification information is sent to being labeled as corresponding to the port of blocked state
Certificate server, so that described certificate server is when recognizing described identification information, abandons described message.
6. the apparatus for forwarding message in a virtual expansible LAN VXLAN, it is characterised in that including:
Receiver module, for receiving the message of self virtualizing machine VM；
Select module, for selecting the target authentication server matched with described message according to loading rule set in advance；
Module is set, arranges for the port being connected with other certificate server in addition to described target authentication server
For port blocked；
Sending module, for sending described message to described target authentication server, so that described target authentication server will
Described message is sent to purpose terminal.
Device the most according to claim 6, it is characterised in that described selection module according to following at least one preset
Loading rule select described target authentication server, including:
According to the expense between each certificate server and/or the load condition of each certificate server and/or the class of described message
Type, determines described target authentication server.
Device the most according to claim 6, it is characterised in that the described module that arranges includes:
Setting up submodule, be used for setting up message forwarding list, wherein, in described message forwarding list, record has and each authentication service
The port numbers of the port that device is connected；
Labelling submodule, in described message forwarding list, is labeled as port numbers corresponding for described port blocked blocking
State.
Device the most according to claim 8, it is characterised in that described sending module includes:
First sends submodule, for according to described message forwarding list, by described message by unmarked for blocked state
Port sends to described target authentication server.
Device the most according to claim 8, it is characterised in that described sending module also includes:
Second sends submodule, for according to described forwarding list, sending the message carrying identification information to being labeled as resistance
Certificate server corresponding to the port of plug-like state, so that described certificate server is when recognizing described identification information, abandons
Described message.
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| CN106899500A (en) * | 2016-12-16 | 2017-06-27 | 新华三技术有限公司 | A kind of message processing method and device across virtual expansible LAN |
| CN106899500B (en) * | 2016-12-16 | 2020-06-26 | 新华三技术有限公司 | Message processing method and device for cross-virtual extensible local area network |
| CN109995637A (en) * | 2018-01-02 | 2019-07-09 | 中国移动通信有限公司研究院 | S-VXLAN construction method, data forwarding method and system |
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