CN105591723B - A kind of VNF stacking method and device - Google Patents
A kind of VNF stacking method and device Download PDFInfo
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- CN105591723B CN105591723B CN201511016557.5A CN201511016557A CN105591723B CN 105591723 B CN105591723 B CN 105591723B CN 201511016557 A CN201511016557 A CN 201511016557A CN 105591723 B CN105591723 B CN 105591723B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
Abstract
The application provides a kind of VNF stacking method and device, applied to the first VNF, first VNF is located in first server, this method comprises: obtaining the Internet protocol IP address of preconfigured VNF, the IP address of the VNF includes the first IP address of the first VNF and the second IP address of the 2nd VNF, 2nd VNF is located on second server, and the first server is connect with the second server across three-layer network；When sending the first stacking message to the 2nd VNF, the first stacking message is packaged into the second stacking message according to first IP address and second IP address, the described second outer envelope for stacking message includes first IP address and second IP address；The second stacking message is sent to the 2nd VNF.It can realize that the VNF across three-layer network is stacked by the application, improve system reliability of operation.
Description
Technical field
This application involves network communication technology field more particularly to a kind of VNF stacking methods and device.
Background technique
VNF (Virtual Network Feature, virtual network function) is NFV (Network Function
Virtualized, network function virtualization) framework component part, be a functional unit in NFV networking.With data
Center physical server scale it is increasingly huge, hardware fault occurs often, in order to guarantee on physical server VNF operation just
Often, it needs to make stacking processing to multiple VNF.
In the VNF stacking system across three-layer network, physical server where VNF usually starts broker program, the agency
Program generates limitation to the stacking message that VNF is sent, therefore, it is impossible to establish VNF stacking.
Summary of the invention
In view of this, the application provides a kind of VNF stacking method and device.
Specifically, the application is achieved by the following technical solution:
The application provides a kind of VNF stacking method, and this method is applied to the first VNF, and the first VNF is located at first service
On device, this method comprises:
The Internet protocol IP address of preconfigured VNF is obtained, the IP address of the VNF includes the of the first VNF
Second IP address of one IP address and the 2nd VNF, the 2nd VNF are located on second server, the first server and institute
State across the three-layer network connection of second server；
When sending the first stacking message to the 2nd VNF, according to first IP address and second IP address
The first stacking message is packaged into the second stacking message, the described second outer envelope for stacking message includes the first IP
Address and second IP address；
The second stacking message is sent to the 2nd VNF.
The application also provides a kind of VNF stacking method, and this method is applied to the 2nd VNF, and the 2nd VNF is located at the second clothes
It is engaged on device, this method comprises:
It receives the first VNF is sent second and stacks message, the second stacking message is the first VNF according to pre-
The first stacking message that opposite 2nd VNF of the Internet protocol IP address of the VNF first configured is sent obtains after being packaged, institute
The IP address for stating VNF includes the first IP address of the first VNF and the second IP address of the 2nd VNF, the first VNF
In first server, the first server is connect with the second server across three-layer network, and described second stacks report
The outer envelope of text includes first IP address and second IP address；
Message decapsulation is stacked to described second, described first is obtained and stacks message.
The application also provides a kind of VNF stack device, which is applied to the first VNF, and the first VNF is located at the first clothes
It is engaged on device, which includes:
Acquiring unit, for obtaining the Internet protocol IP address of preconfigured VNF, the IP address of the VNF includes institute
The first IP address of the first VNF and the second IP address of the 2nd VNF are stated, the 2nd VNF is located on second server, and described
One server is connect with the second server across three-layer network；
Encapsulation unit is used for when sending the first stacking message to the 2nd VNF, according to first IP address and institute
It states the second IP address and the first stacking message is packaged into the second stacking message, described second stacks the outer envelope packet of message
Include first IP address and second IP address；
Transmission unit, for the second stacking message to be sent to the 2nd VNF.
The application also provides a kind of VNF stack device, which is applied to the 2nd VNF, and the 2nd VNF is located at the second clothes
It is engaged on device, which includes:
Receiving unit stacks message for receiving the second of the first VNF transmission, and the second stacking message is described first
VNF is packaged according to the first stacking message that opposite 2nd VNF of Internet protocol IP address of preconfigured VNF is sent
After obtain, the IP address of the VNF includes the first IP address of the first VNF and the second IP address of the 2nd VNF, institute
The first VNF to be stated to be located in first server, the first server is connect with the second server across three-layer network, and described
Two outer envelopes for stacking message include first IP address and second IP address；
Decapsulation unit obtains described first and stacks message for stacking message decapsulation to described second.
The IP of the application encapsulation local terminal VNF on the basis of existing stacking message format it can be seen from above description
The IP address of location and opposite end VNF, so that VNF is stacked message can interact on three-layer network, realize that the VNF across three-layer network is stacked,
Improve the network scope of application that VNF is stacked.
Detailed description of the invention
Fig. 1 is that the VNF across three-layer network shown in one exemplary embodiment of the application stacks networking schematic diagram；
Fig. 2 is a kind of VNF stacking method flow chart shown in one exemplary embodiment of the application；
Fig. 3 is a kind of VNF stacking method flow chart shown in the application another exemplary embodiment；
Fig. 4 is a kind of underlying hardware structure of VNF stack device place equipment shown in one exemplary embodiment of the application
Schematic diagram；
Fig. 5 is a kind of structural schematic diagram of VNF stack device shown in one exemplary embodiment of the application；
Fig. 6 is a kind of structural schematic diagram of VNF stack device shown in the application another exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
It is also intended in the application and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where the application range, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
VNF is the component part of NFV framework, is a functional unit in NFV networking, for realizing specific network function
Can, for example, virtual router VSR, virtual firewall VFW etc..
Increasingly huge with data center's physical server scale, hardware fault occurs often, in order to guarantee that physics takes
VNF normal operation on business device, needs to make stacking processing to multiple VNF.
Referring to Fig. 1, networking schematic diagram is stacked for a kind of typically VNF across three-layer network.It is stacked in networking in the VNF,
VNF1 and VNF2 is located on physical server Server1 and Server2, Server1 and across the three-layer network company of Server2
It connects, broker program Proxy1, the virtual machine manager of Server2 is run on the virtual machine manager Hypervisor1 of Server1
Broker program Proxy2 is run on Hypervisor2.
The considerations of for resource control and security standpoint, the report that broker program would generally send VNF according to application scenarios
Text is limited, such as the Hello report of IRF (Intelligent Resilient Framework, intelligent elastic framework) agreement
Text, the message can proxied program abandon, therefore, it is impossible to realize that the VNF across three-layer network is stacked.
In view of the above-mentioned problems, the embodiment of the present application proposes a kind of VNF stacking method, this method is in existing stacking message format
On the basis of encapsulate local terminal VNF IP address and opposite end VNF IP address, make VNF stack message can across three-layer network interaction, reality
Existing VNF is stacked.
It referring to fig. 2, is one embodiment flow chart of the application VNF stacking method, the embodiment is from the first side pair VNF
VNF stacking process is described.Wherein, the first VNF is located in first server.
Step 201, the IP address of preconfigured VNF is obtained, the IP address of the VNF includes the of the first VNF
Second IP address of one IP address and the 2nd VNF, the 2nd VNF are located on second server, the first server and institute
State across the three-layer network connection of second server.
It further include a MANO (Management and Orchestration manages arranging system) in NVF framework,
MANO can be managed and limit to VNF.The embodiment of the present application is pre-configured with the first VNF using MANO, by the first VNF
It is configured to three level stack mode.Under the three level stack mode, MANO with can also issuing the first IP of the first VNF to the first VNF
Second IP address of location and the 2nd VNF, wherein the 2nd VNF is located on second server, and the first clothes where the first VNF
Business device is connect with the second server where the 2nd VNF across three-layer network.
It, can be with the 2nd VNF interactive stacking message after first VNF obtains the IP address of above-mentioned preconfigured VNF.
Step 202, when sending first to the 2nd VNF and stacking message, according to first IP address and described the
The first stacking message is packaged into the second stacking message by two IP address, and the described second outer envelope for stacking message includes institute
State the first IP address and second IP address.
In the first VNF, to the 2nd VNF transmission stacking message, (the stacking message is to meet the existing report for stacking message format
Text, hereinafter referred to as first stacks message) when, be no longer directly transmit away, but according to preconfigured first IP address and
Second IP address is packaged the first stacking message, obtains the second stacking message, and described second stacks the outer envelope of message
Including first IP address and second IP address.
Step 203, the second stacking message is sent to the 2nd VNF.
The second stacking message after being encapsulated by step 202 is no longer limited by broker program, can across three-layer network transmission
To the 2nd VNF being located on second server.
2nd VNF, by detection messages content, inquires the feature that matching stacks message, in order to identify application to determine
Whether received message is to stack message.
The embodiment of the present application also provides a kind of preferred embodiments, in step 201, can also obtain the reserved port VNF
Number, which includes the first end slogan of the first VNF and the second end slogan of the 2nd VNF, and VNF port numbers here can
Select non-well-known UDP (User Datagram Protocol, User Datagram Protocol) port numbers.In step 202, not only
According to the first IP address and the second IP address obtained, also according to the first end slogan and second end slogan obtained, by
One stacking message is packaged into the second stacking message, at this point, the second outer envelope for stacking message includes first IP address, institute
State the second IP address, first end slogan and second end slogan.In step 203, the second stacking message after encapsulation is sent to
2nd VNF.
By packaging V NF port numbers, the 2nd VNF is allow to directly determine concrete application according to port numbers, in the application reality
Applying the corresponding application of VNF port numbers in example is VNF stacking.This, simplifies the processes of identification application.
It is another embodiment flow chart of the application VNF stacking method referring to Fig. 3, the embodiment is from the 2nd side pair VNF
VNF stacking process is described.Wherein, the 2nd VNF is located on second server.
Step 301, it receives the first VNF is sent second and stacks message, described second stacks message as the first VNF root
It is obtained after being packaged according to the first stacking message that opposite 2nd VNF of the IP address of preconfigured VNF is sent, it is described
The IP address of VNF includes the first IP address of the first VNF and the second IP address of the 2nd VNF, and the described first VNF
In in first server, the first server is connect with the second server across three-layer network, and described second stacks message
Outer envelope include first IP address and second IP address.
Referring specifically to the description of step 201~step 203, details are not described herein.
Step 302, message decapsulation is stacked to described second, obtains described first and stacks message.
The same with aforementioned first VNF, the 2nd VNF can also be preconfigured to three level stack mode by MANO.In three layer heaps
Under folded mode, the 2nd VNF carries out decapsulation processing to received second stacking message, and reduction first stacks message.Wherein, second
The outer envelope for stacking message includes the first IP address of the first VNF and the second IP address of the 2nd VNF；
Or it is further, the described second outer envelope for stacking message further includes VNF port numbers, the VNF port numbers packet
Include the first end slogan of the first VNF and the second end slogan of the 2nd VNF.The port numbers of the VNF can be used reserved
Non- well-known UDP port number.
It is to use the existing message for stacking message format by the first stacking message that above-mentioned processing restores, it is compatible existing
Stack agreement.
The IP of the application encapsulation local terminal VNF on the basis of existing stacking message format it can be seen from foregoing description
The IP address of location and opposite end VNF, so that VNF is stacked message can interact on three-layer network, realize that the VNF across three-layer network is stacked,
Improve the network scope of application that VNF is stacked.
Corresponding with the embodiment of aforementioned VNF stacking method, present invention also provides the embodiments of VNF stack device.
The embodiment of the application VNF stack device can be applied on the first VNF or the 2nd VNF.Installation practice can be with
By software realization, can also be realized by way of hardware or software and hardware combining.Taking software implementation as an example, it is patrolled as one
The device in meaning is collected, is that corresponding computer program instructions are formed in the processor run memory by equipment where it
's.For hardware view, as shown in figure 4, for a kind of hardware structure diagram of the application VNF stack device place equipment, in addition to
Except processor shown in Fig. 4, network interface and memory, the equipment in embodiment where device is generally according to the equipment
Actual functional capability, can also include other hardware, this is repeated no more.
Referring to FIG. 5, for the structural schematic diagram of the VNF stack device in the application one embodiment.The VNF stack device
Including acquiring unit 501, encapsulation unit 502 and transmission unit 503, in which:
Acquiring unit 501, for obtaining the Internet protocol IP address of preconfigured VNF, the IP address of the VNF includes
The first IP address of first VNF and the second IP address of the 2nd VNF, the 2nd VNF is located on second server, described
First server is connect with the second server across three-layer network；
Encapsulation unit 502 is used for when sending the first stacking message to the 2nd VNF, according to first IP address
The first stacking message is packaged into the second stacking message with second IP address, described second stacks the outer layer envelope of message
Dress includes first IP address and second IP address；
Transmission unit 503, for the second stacking message to be sent to the 2nd VNF.
Further,
The encapsulation unit 502, specifically for obtaining reserved VNF port numbers, the VNF port numbers include described first
The second end slogan of the first end slogan of VNF and the 2nd VNF；According to first IP address, first end slogan, the 2nd IP
Address and second end slogan stack message for described first and are packaged into the second stacking message, and described second stacks the outer layer of message
Encapsulation includes first IP address, second IP address, first end slogan and second end slogan.
Further,
The VNF port numbers are user datagram protocol UDP port numbers.
Referring to FIG. 6, for the structural schematic diagram of the VNF stack device in another embodiment of the application.The VNF heap closed assembly
It sets including receiving unit 601 and decapsulation unit 602, in which:
Receiving unit 601 stacks message for receiving the second of the first VNF transmission, and the second stacking message is described
First VNF stacks message according to first that opposite 2nd VNF of Internet protocol IP address of preconfigured VNF is sent and carries out
It is obtained after encapsulation, the IP address of the VNF includes the first IP address of the first VNF and the 2nd IP of the 2nd VNF
Location, the first VNF are located in first server, and the first server is connect with the second server across three-layer network,
Described second outer envelope for stacking message includes first IP address and second IP address；
Decapsulation unit 602 obtains described first and stacks message for stacking message decapsulation to described second.
Further, the receiving unit 601 received described second stacks message, is the first VNF also according to pre-
What the VNF port numbers stayed obtained after being packaged to the first stacking message, the VNF port numbers include the first VNF
First end slogan and the 2nd VNF second end slogan；The outer envelope of the second stacking message further includes described the
One end slogan and the second end slogan.
Further,
The VNF port numbers are user datagram protocol UDP port numbers.
The function of each unit and the realization process of effect are specifically detailed in the above method and correspond to step in above-mentioned apparatus
Realization process, details are not described herein.
For device embodiment, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
The purpose for needing to select some or all of the modules therein to realize application scheme.Those of ordinary skill in the art are not paying
Out in the case where creative work, it can understand and implement.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (12)
1. a kind of virtual network function VNF stacking method, which is characterized in that this method is applied to the first VNF, the first VNF
In first server, this method comprises:
The Internet protocol IP address of preconfigured VNF is obtained, the IP address of the VNF includes the first IP of the first VNF
Second IP address of address and the 2nd VNF, the 2nd VNF are located on second server, the first server and described the
Across the three-layer network connection of two servers；
When sending first to the 2nd VNF and stacking message, according to first IP address and second IP address by institute
It states the first stacking message and is packaged into the second stacking message, the described second outer envelope for stacking message includes first IP address
With second IP address；
The second stacking message is sent to the 2nd VNF.
2. the method as described in claim 1, which is characterized in that described according to first IP address and second IP address
The first stacking message is packaged into the second stacking message, comprising:
Reserved VNF port numbers are obtained, the VNF port numbers include the first end slogan and the 2nd VNF of the first VNF
Second end slogan；
Message is stacked by described first according to first IP address, first end slogan, the second IP address and second end slogan
It is packaged into the second stacking message, the outer envelope of the second stacking message includes first IP address, the 2nd IP
Location, the first end slogan and the second end slogan.
3. method according to claim 2, it is characterised in that:
The VNF port numbers are user datagram protocol UDP port numbers.
4. a kind of virtual network function VNF stacking method, which is characterized in that this method is applied to the 2nd VNF, the 2nd VNF
On second server, this method comprises:
It receives the second of the first VNF transmission and stacks message, the second stacking message is the first VNF according to preconfigured
The first stacking message that opposite 2nd VNF of the Internet protocol IP address of VNF is sent obtains after being packaged, the VNF's
IP address includes the first IP address of the first VNF and the second IP address of the 2nd VNF, and the first VNF is located at the
On one server, the first server is connect with the second server across three-layer network, and described second stacks the outer of message
Layer encapsulation includes first IP address and second IP address；
Message decapsulation is stacked to described second, described first is obtained and stacks message.
5. method as claimed in claim 4, it is characterised in that:
Described second, which stacks message, stacks message progress to described first also according to reserved VNF port numbers for the first VNF
It is obtained after encapsulation, the VNF port numbers include the first end slogan of the first VNF and the second port of the 2nd VNF
Number；Described second outer envelope for stacking message further includes the first end slogan and the second end slogan.
6. method as claimed in claim 5, it is characterised in that:
The VNF port numbers are user datagram protocol UDP port numbers.
7. a kind of virtual network function VNF stack device, which is characterized in that the device is applied to the first VNF, the first VNF
In first server, which includes:
Acquiring unit, for obtaining the Internet protocol IP address of preconfigured VNF, the IP address of the VNF includes described
The first IP address of one VNF and the second IP address of the 2nd VNF, the 2nd VNF are located on second server, first clothes
Business device is connect with the second server across three-layer network；
Encapsulation unit, for when sending first to the 2nd VNF and stacking message, according to first IP address and described the
The first stacking message is packaged into the second stacking message by two IP address, and the described second outer envelope for stacking message includes institute
State the first IP address and second IP address；
Transmission unit, for the second stacking message to be sent to the 2nd VNF.
8. device as claimed in claim 7, it is characterised in that:
The encapsulation unit, specifically for obtaining reserved VNF port numbers, the VNF port numbers include the of the first VNF
The second end slogan of one end slogan and the 2nd VNF；According to first IP address, first end slogan, the second IP address with
And the first stacking message is packaged into the second stacking message by second end slogan, described second stacks the outer envelope packet of message
Include first IP address, second IP address, the first end slogan and the second end slogan.
9. device as claimed in claim 8, it is characterised in that:
The VNF port numbers are user datagram protocol UDP port numbers.
10. a kind of virtual network function VNF stack device, which is characterized in that the device is applied to the 2nd VNF, the 2nd VNF
On second server, which includes:
Receiving unit stacks message for receiving the second of the first VNF transmission, and described second stacks message as the first VNF
After being packaged according to the first stacking message that opposite 2nd VNF of the Internet protocol IP address of preconfigured VNF is sent
It obtains, the IP address of the VNF includes the first IP address of the first VNF and the second IP address of the 2nd VNF, described
First VNF is located in first server, and the first server is connect with the second server across three-layer network, and described second
The outer envelope for stacking message includes first IP address and second IP address；
Decapsulation unit obtains described first and stacks message for stacking message decapsulation to described second.
11. device as claimed in claim 10, it is characterised in that:
The receiving unit received described second stacks message, for the first VNF also according to reserved VNF port numbers to institute
It states and obtains after the first stacking message is packaged, the VNF port numbers include the first end slogan of the first VNF and described
The second end slogan of 2nd VNF；Described second outer envelope for stacking message further includes the first end slogan and described second
Port numbers.
12. device as claimed in claim 11, it is characterised in that:
The VNF port numbers are user datagram protocol UDP port numbers.
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Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Applicant after: Xinhua three Technology Co., Ltd. Address before: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Applicant before: Huasan Communication Technology Co., Ltd. |
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Inventor after: Liu Jiajia Inventor after: Xin Xubing Inventor before: Liu Jiajia Inventor before: Xin Shubing |
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