CN104901824A - Method and device for configuring Openflow auxiliary channel - Google Patents
Method and device for configuring Openflow auxiliary channel Download PDFInfo
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Abstract
The invention provides a method and device for configuring an Openflow auxiliary channel. The method comprises that an Openflow configuration point establishes a connection to an Openflow capability switch; and the Openflow configuration point transmits first configuration information for configuring the auxiliary channel to the capability switch, wherein the auxiliary channel is an auxiliary channel between an Openflow logic switch and an Openflow controller on the capability switch. The technical scheme solves a technical problem that no solution is provided in a relative technique for configuring the Openflow auxiliary channel so as to achieve configuration of the Openflow auxiliary channel.
Description
Technical field
The present invention relates to the communications field, especially relate to collocation method and the device of a kind of open flows (Openflow) accessory channel.
Background technology
Increasing disadvantage is exposed and the demand of people to network performance is more and more higher due to present network, researcher has to a lot of sophisticated functions to join in the middle of the architecture of router, such as ospf (Open Shortest Path First, be called for short OSPF), Border Gateway Protocol (Border Gateway Protocol, be called for short BGP), multicast, Differentiated Services, traffic engineering, network address translation (Network Address Translation, be called for short NAT), fire compartment wall, multiprotocol label switching (Multi Protocol Label Switching, be called for short MPLS) etc.This just makes the switching equipment such as router space that is more and more too fat to move and performance boost more and more less.
But distinct with the predicament of network field, computer realm achieves development with rapid changepl. never-ending changes and improvements.The development of careful review computer realm, is not difficult to find that its key is that computer realm have found a kind of simply available hardware bottom layer (x86 instruction set).Owing to there being a kind of so public hardware bottom layer, so in software, no matter be that application program or operating system all achieve development at full speed.Now much advocate that the personage redesigning computer network architectures thinks: the success that network can copy computer realm solves all problems that present network runs into.Under the guidance of this thought, network in the future will be such: data path such as switch, the router etc. of bottom are " mute, simple, minimum ", and define the public API about stream table of an opening, adopt controller to control whole network simultaneously.The API that following researcher just can call bottom on the controller freely programmes, thus realizes the innovation of network.
Based on above-mentioned theory, occurred software defined network (Software Defined Network is called for short SDN), it is that a kind of new network proposed by clean slate seminar of Stanford Univ USA innovates framework at first.At present, its core technology open flows (OpenFlow, being called for short OF) agreement is by separating the network equipment chain of command comprising OpenFlow controller (Controller) and the data surface that comprises OpenFlow logical switch (Logical Switch), thus achieve the flexible control of network traffics, for the innovation of core network and application provides good platform.
Introduce the switch after OpenFlow technology, be commonly referred to OpenFlow switch, it is different from traditional switch, originally the complete message repeating process controlled by switch/router is converted into and is jointly completed by OpenFlow switch and controller by OpenFlow switch, achieves being separated of data retransmission and route test.
As shown in Figure 1, OpenFlow passage is the interface connecting OpenFlow switch and controller.By this interface, controller can configure and manage switch.Receive message from switch simultaneously, and send message to switch.Message on all OpenFlow passages all must be transmitted by OpenFlow protocol format.OpenFlow agreement supports three kinds of type of messages: controller is to switch (controller-to-switch), and asynchronous (asynchronous) and symmetrical (symmetric), each class message has again multiple sub-type of message.Controller-to-switch message is initiated by controller, is used for managing or obtaining switch state; Asynchronous message is initiated by switch, is used for network event or switch status change to be updated to controller; Symmetric message can be initiated by switch or controller.
Like this, OpenFlow passage has a large amount of Openflow message, the pressure born is very large, in order to alleviate the pressure on OpenFlow passage, and improves message transmissions performance.Specify between switch and controller, there is multiple Openflow passage in Openflow agreement, namely by a main Openflow passage and multiple accessory channel, the realization of Openflow message is shunted.But current existing agreement does not provide the collocation method of multiple Openflow accessory channel.
Summary of the invention
For in correlation technique, there is no technical problems such as the solutions that Openflow accessory channel is configured, the invention provides a kind of collocation method and device of Openflow accessory channel, at least to solve the problem.
In order to achieve the above object, according to an aspect of the present invention, provide a kind of collocation method of open flows Openflow accessory channel, comprising: Openflow collocation point sets up the connection with Openflow capabilities exchange machine; Described collocation point sends the first configuration information for configuring accessory channel to described capabilities exchange machine, and wherein, described accessory channel is Openflow logical switch on described capabilities exchange machine and the accessory channel between Openflow controller.
Preferably, described first configuration information at least comprises: the mark of described accessory channel, remote port, far-end IP address and host-host protocol, wherein, remote port and the far-end IP address of described accessory channel are respectively port and the IP address of the described controller when described controller is connected described logical switch.
Preferably, described first configuration information also comprise following one of at least: the local port of described accessory channel, the local ip address of described accessory channel, wherein, local port and the local ip address of described accessory channel are respectively port and the IP address of the described logical switch when described logical switch is connected described controller.
Preferably, described local ip address is identical with the local ip address configured for Openflow main channel.
Preferably, the host-host protocol of described accessory channel is different from the host-host protocol of Openflow main channel.
Preferably, when described first configuration information does not comprise local port and the local ip address of described accessory channel, using the local port of described Openflow main channel and local ip address as the local port of described accessory channel and local ip address.
Preferably, before described collocation point sends the first configuration information for configuring accessory channel to described capabilities exchange machine, described method comprises: described collocation point sends inquiry request to described capabilities exchange machine, wherein, described inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between described logical switch and described controller; Described collocation point receives described second configuration information and/or described main channel state that described capabilities exchange machine feeds back according to described inquiry request; Described collocation point determines the specified configuration information in described first configuration information according to described second configuration information and/or described main channel state.
Preferably, described specified configuration information comprises: the local ip address of described accessory channel and local port.
Preferably, described main channel state comprise following one of at least: the local port that the local ip address that whether normal, the described main channel of connection status of described main channel uses, described main channel use, wherein, the local ip address that uses of described main channel and local port are respectively local ip address and the local port of described logical switch when described logical switch is connected described controller; And/or described second configuration information comprise following one of at least: the local port of described main channel, local ip address, remote port, far-end IP address, host-host protocol, wherein, remote port and the far-end IP address of described main channel are respectively port and the IP address of the described controller when described controller is connected described logical switch.
Preferably, there is following relation in described accessory channel and Openflow main channel: after described main channel connects, and sets up the connection of described accessory channel; And/or when the Joint failure of described main channel, described accessory channel lost efficacy.
Preferably, described collocation point is to after described capabilities exchange machine sends the first configuration information for configuring accessory channel, and described method also comprises: the message of what described collocation point received that described capabilities exchange machine replys be used to indicate described accessory channel whether configuration successful.
Preferably, described method also comprises: described collocation point inquires about configuration information and/or the accessory channel state of described accessory channel.
Preferably, described accessory channel state comprise following one of at least: the far-end IP address that the local port that the local ip address that whether normal, the described accessory channel of connection status of described accessory channel uses, described accessory channel use, described accessory channel use and the remote port that described accessory channel uses; And/or the configuration information of described accessory channel comprise following one of at least: the mark of described accessory channel, local ip address, local port, far-end IP address, remote port, host-host protocol.
In order to achieve the above object, according to a further aspect of the invention, additionally provide a kind of collocation method of open flows Openflow accessory channel, comprise: Openflow capabilities exchange machine receives the first configuration information from Openflow collocation point, and this first configuration information is for configuring the accessory channel on described capabilities exchange machine between Openflow logical switch and Openflow controller; Described first configuration information is distributed to described logical switch by described capabilities exchange machine.
Preferably, described first configuration information at least comprises: the mark of described accessory channel, remote port, far-end IP address and host-host protocol, wherein, remote port and the far-end IP address of described accessory channel are respectively port and the IP address of the described controller when described controller is connected described logical switch.
Preferably, described first configuration information also comprise following one of at least: the local port of described accessory channel, the local ip address of described accessory channel, wherein, local port and the local ip address of described accessory channel are respectively port and the IP address of the described logical switch when described logical switch is connected described controller.
Preferably, before Openflow capabilities exchange machine receives the first configuration information from Openflow collocation point, comprise: described capabilities exchange machine receives the inquiry request from described collocation point, wherein, described inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between described logical switch and described controller, and described second configuration information and/or described main channel state are for determining the specified configuration information in described first configuration information; Described capabilities exchange machine sends described second configuration information and/or main channel state according to described inquiry request to described collocation point.
Preferably, described main channel state comprise following one of at least: the local port that the local ip address that whether normal, the described main channel of connection status of described main channel uses, described main channel use, wherein, the local ip address that uses of described main channel and local port are respectively local ip address and the local port of described logical switch when described logical switch is connected described controller; And/or described second configuration information comprise following one of at least: the local port of described main channel, local ip address, remote port, far-end IP address, host-host protocol, wherein, remote port and the far-end IP address of described main channel are respectively port and the IP address of the described controller when described controller is connected described logical switch.
In order to achieve the above object, according to a further aspect of the invention, additionally provide a kind of inking device of open flows Openflow accessory channel, be applied to Openflow collocation point, comprise: set up module, for setting up the connection with Openflow capabilities exchange machine; First sending module, for sending the first configuration information for configuring accessory channel to described capabilities exchange machine, wherein, described accessory channel is the accessory channel on described capabilities exchange machine between Openflow logical switch and Openflow controller.
Preferably, described device also comprises: the second sending module, be used for inquiry request for sending to described capabilities exchange machine, wherein, described inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between described logical switch and described controller; Receiver module, for receiving described second configuration information and/or described main channel state that described capabilities exchange machine feeds back according to described inquiry request; Determination module, for determining the specified configuration information in described first configuration information according to described second configuration information and/or described main channel state.
In order to achieve the above object, according to a further aspect of the invention, additionally provide a kind of inking device of open flows Openflow accessory channel, be applied to Openflow capabilities exchange machine, comprise: the first receiver module, for receiving the first configuration information from Openflow collocation point, this first configuration information is for configuring the accessory channel on described capabilities exchange machine between Openflow logical switch and Openflow controller; Distribution module, for being distributed to described logical switch by described first configuration information.
Preferably, also comprise: the second receiver module, for receiving the inquiry request from described collocation point, wherein, described inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between described logical switch and described controller, and described second configuration information and/or described main channel state are for determining the specified configuration information in described first configuration information; Sending module, for sending described main channel configuration information and/or main channel state according to described inquiry request to described collocation point.
Pass through the present invention, sent the technological means of the configuration information for configuring Openflow accessory channel to switch by Openflow collocation point, solve in correlation technique, there is no technical problems such as the solutions that Openflow accessory channel is configured, thus achieve the configuration to Openflow accessory channel.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the message flow of the correlation technique schematic diagram by OpenFlow process pipeline;
Fig. 2 is the flow chart of the collocation method of Openflow accessory channel according to the embodiment of the present invention;
Fig. 3 is the structured flowchart of the inking device of Openflow accessory channel according to the embodiment of the present invention;
Fig. 4 is according to another structured flowchart of the inking device based on Openflow accessory channel embodiment illustrated in fig. 4;
Fig. 5 is another flow chart of the collocation method of Openflow accessory channel according to the embodiment of the present invention;
Fig. 6 is another structured flowchart of the inking device of Openflow accessory channel according to the embodiment of the present invention;
Fig. 7 is the structured flowchart of the inking device based on Openflow accessory channel embodiment illustrated in fig. 6;
Fig. 8 is the flow chart of the method for the configuration of accessory channel according to the preferred embodiment of the invention;
Fig. 9 is the flow chart of the method for the configuration of accessory channel according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Fig. 2 is the flow chart of the collocation method of Openflow accessory channel according to the embodiment of the present invention.As shown in Figure 2, the method comprising the steps of S202-S204:
Step S202, Openflow collocation point sets up the connection with Openflow capabilities exchange machine;
Step S204, above-mentioned collocation point sends the first configuration information for configuring accessory channel to above-mentioned capabilities exchange machine, and wherein, above-mentioned accessory channel is Openflow logical switch on aforementioned capabilities switch and the accessory channel between Openflow controller.
By each treatment step above-mentioned, because collocation point to the configuration information of capabilities exchange machine transmission for configuring accessory channel, therefore, can realize the configuration to accessory channel.
In step S204, collocation point can send above-mentioned first configuration information by OF configuration protocol.
In the present embodiment, above-mentioned first configuration information at least comprises: the mark of accessory channel, remote port, far-end IP address and host-host protocol, wherein, remote port and the far-end IP address of accessory channel are respectively port and the IP address of the above-mentioned controller when above-mentioned controller is connected above-mentioned logical switch.
Alternatively, above-mentioned first configuration information can also comprise following one of at least: the local port of accessory channel, the local ip address of accessory channel, wherein, local port and the local ip address of accessory channel are respectively port and the IP address of the above-mentioned logical switch when above-mentioned logical switch is connected above-mentioned controller.
When being configured the above-mentioned local ip address of accessory channel, need the above-mentioned local ip address of accessory channel to be configured to identical with the local ip address configured for Openflow main channel.
Can be there is following relation in above-mentioned accessory channel and Openflow main channel: after main channel connects, and sets up the connection of accessory channel; And/or when the Joint failure of main channel, accessory channel lost efficacy
Because the local port in above-mentioned first configuration information and local ip address are optional, therefore when above-mentioned first configuration information does not comprise local port and the local ip address of accessory channel, using the local port of Openflow main channel and local ip address as the local port of accessory channel and local ip address.
The host-host protocol that the above-mentioned host-host protocol of the employing of accessory channel and Openflow main channel adopt can be the same or different.
Before step S204, partial information in above-mentioned first configuration information can be determined by the relevant information of main channel, in a preferred implementation of the present embodiment, can realize in the following manner: collocation point sends inquiry request to capabilities exchange machine, wherein, this inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between above-mentioned logical switch and above-mentioned controller; The second configuration information that collocation point receiving ability switch feeds back according to above-mentioned inquiry request and/or main channel state; Collocation point determines the specified configuration information in above-mentioned first configuration information according to the second configuration information and/or above-mentioned main channel state.This specified configuration information includes but not limited to following information: the local ip address of accessory channel and local port.
Above-mentioned main channel state comprise following one of at least: the local port that the local ip address that whether connection status of main channel normal, main channel uses, main channel use, wherein, the local ip address that uses of main channel and local port are respectively local ip address and the local port of above-mentioned logical switch when above-mentioned logical switch is connected above-mentioned controller; And/or
Above-mentioned second configuration information comprise following one of at least: the local port of main channel, local ip address, remote port, far-end IP address, host-host protocol, wherein, remote port and the far-end IP address of main channel are respectively port and the IP address of the above-mentioned controller when above-mentioned controller is connected above-mentioned logical switch.
In the present embodiment, after step s 204, above-mentioned collocation point can also the receiving ability switch message being used to indicate above-mentioned accessory channel whether configuration successful of replying.
In the present embodiment, collocation point can also inquire about configuration information and/or the accessory channel state of accessory channel, so just can realize the management (such as determining whether to reconfigure etc. accessory channel) to accessory channel.In a preferred implementation of the present embodiment, this accessory channel state can include but not limited to following one of at least: the far-end IP address that the local port that the local ip address that whether connection status of accessory channel normal, accessory channel uses, accessory channel use, accessory channel use and the remote port that accessory channel uses; And/or the configuration information of accessory channel comprise following one of at least: the mark of accessory channel, local ip address, local port, far-end IP address, remote port, host-host protocol.
Additionally provide a kind of inking device of Openflow accessory channel in the present embodiment, this device can be applied to Openflow collocation point, for realizing above-described embodiment and preferred implementation, carrying out repeating no more of explanation, below the module related in this device being described.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following examples preferably realizes with software, hardware, or the realization of the combination of software and hardware also may and conceived.Fig. 3 is the structured flowchart of the inking device of Openflow accessory channel according to the embodiment of the present invention.As shown in Figure 3, this device comprises:
Set up module 30, for setting up the connection with Openflow capabilities exchange machine;
First sending module 32, be connected to and set up module 30, for sending the first configuration information for configuring accessory channel to above-mentioned capabilities exchange machine, wherein, this accessory channel is the accessory channel on capabilities exchange machine between Openflow logical switch and Openflow controller.
By the function that above-mentioned modules realizes, the configuration to accessory channel can be realized equally.
Preferably, as shown in Figure 4, said apparatus can also include but not limited to following processing module: the second sending module 34, be connected to and set up module 30, inquiry request is used for for sending to above-mentioned capabilities exchange machine, wherein, above-mentioned inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between above-mentioned logical switch and above-mentioned controller; Receiver module 36, is connected to the second sending module 34, for receiving above-mentioned second configuration information and/or above-mentioned main channel state that aforementioned capabilities switch feeds back according to above-mentioned inquiry request; Determination module 38, is connected to receiver module 36, for determining the specified configuration information in above-mentioned first configuration information according to above-mentioned second configuration information and/or above-mentioned main channel state.
Below the improvement that capabilities exchange pusher side carries out is described.
Fig. 5 is another flow chart of the collocation method of Openflow accessory channel according to the embodiment of the present invention.As shown in Figure 5, the method comprises:
Step S502, Openflow capabilities exchange machine receives the first configuration information from Openflow collocation point, and this first configuration information is for configuring the accessory channel on aforementioned capabilities switch between Openflow logical switch and Openflow controller;
Step S504, above-mentioned first configuration information is distributed to above-mentioned logical switch by aforementioned capabilities switch, so just can realize the configuration to accessory channel.
Identical with collocation point side, above-mentioned first configuration information at least comprises:
The mark of above-mentioned accessory channel, remote port, far-end IP address and host-host protocol, wherein, remote port and the far-end IP address of above-mentioned accessory channel are respectively port and the IP address of the above-mentioned controller when above-mentioned controller is connected above-mentioned logical switch.
Alternatively, above-mentioned first configuration information also comprise following one of at least: the local port of accessory channel, the local ip address of accessory channel, wherein, local port and the local ip address of accessory channel are respectively port and the IP address of the above-mentioned logical switch when described logical switch is connected above-mentioned controller.
Before step S502, aforementioned capabilities switch receives the inquiry request from above-mentioned collocation point, wherein, above-mentioned inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between above-mentioned logical switch and above-mentioned controller, and above-mentioned second configuration information and/or above-mentioned main channel state are for determining the specified configuration information in above-mentioned first configuration information; Aforementioned capabilities switch sends above-mentioned second configuration information and/or main channel state according to above-mentioned inquiry request to above-mentioned collocation point.
Above-mentioned main channel state comprise following one of at least: the local port that the local ip address that whether normal, the above-mentioned main channel of connection status of above-mentioned main channel uses, above-mentioned main channel use, wherein, the local ip address that uses of above-mentioned main channel and local port are respectively local ip address and the local port of above-mentioned logical switch when above-mentioned logical switch is connected above-mentioned controller; And/or above-mentioned second configuration information comprise following one of at least: the local port of above-mentioned main channel, local ip address, remote port, far-end IP address, host-host protocol, wherein, remote port and the far-end IP address of above-mentioned main channel are respectively port and the IP address of the above-mentioned controller when above-mentioned controller is connected above-mentioned logical switch.
The present embodiment additionally provides the inking device of another Openflow accessory channel, and this application of installation is in Openflow capabilities exchange machine, and as shown in Figure 6, this device comprises:
First receiver module 60, for the first configuration information for receiving from Openflow collocation point, this first configuration information is for configuring the accessory channel on aforementioned capabilities switch between Openflow logical switch and Openflow controller;
Distribution module 62, is connected to the first receiver module 60, for described first configuration information is distributed to above-mentioned logical switch.
In a preferred implementation of the present embodiment, as shown in Figure 7, said apparatus can also comprise: the second receiver module 64, for receiving the inquiry request from described collocation point, wherein, described inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between described logical switch and described controller, and described second configuration information and/or described main channel state are for determining the specified configuration information in described first configuration information; Sending module 66, is connected to the second receiver module 64, for sending above-mentioned main channel configuration information and/or main channel state according to above-mentioned inquiry request to collocation point.
In order to understand the embodiment involved by Fig. 2-Fig. 7 better, describe in detail below in conjunction with two preferred embodiments.
Preferred embodiment one
Present embodiments provide a kind of method of configuration of accessory channel, Fig. 8 is the flow chart of the method for the configuration of accessory channel according to the preferred embodiment of the invention, and as shown in Figure 8, this flow process comprises the following steps:
Step S802, Openflow collocation point sends editor's configuration messages to Openflow capabilities exchange machine, this message is used for being configured Openflow capabilities exchange machine, as the accessory channel of Openflow logical switch and Openflow controller on configuration Openflow capabilities exchange machine.
Step S804, after configuration successful, Openflow capabilities exchange machine is replied to Openflow collocation point and is carried parameter configuration successful remote procedure call Protocol answers message.
Step S806, after configuration failure, the remote procedure call Protocol answers message of carrying error message replied by Openflow capabilities exchange machine to Openflow collocation point.
Preferred embodiment two
The present embodiment is also configured the far-end IP address in accessory channel connection, and Fig. 9 is the flow chart of the method for the configuration of accessory channel according to the preferred embodiment of the invention, and as shown in Figure 9, this flow process comprises the following steps:
Openflow logical switch on step S902, collocation point inquiry Openflow capabilities exchange machine and the configuration parameter between Openflow controller.
Preferably, Openflow collocation point sends to Openflow capabilities exchange machine and obtains configuration (Get-Config) message, this message can be used for inquiring about the configuration parameter of Openflow logic on Openflow capabilities exchange machine, as the main channel between Openflow logical switch with Openflow controller is connected configuration parameter etc.;
Step S904, Openflow capabilities exchange machine replys remote procedure call Protocol answers message to Openflow collocation point, wherein at least carries main channel and connects configuration parameter.
Step S906, after collocation point receives remote procedure call Protocol answers message, sends to Openflow capabilities exchange machine the accessory channel that editor's configuration messages configures Openflow logical switch and Openflow controller.
Step S908, after configuration successful, Openflow capabilities exchange machine is replied to Openflow collocation point and is carried parameter configuration successful remote procedure call Protocol answers message.
Step S910, after configuration failure, the remote procedure call Protocol answers message of carrying error message replied by Openflow capabilities exchange machine to Openflow collocation point.
In sum, the embodiment of the present invention achieves following beneficial effect: solve in correlation technique, there is no technical problems such as the solutions that Openflow accessory channel is configured, thus achieves the configuration to Openflow accessory channel.
In another embodiment, additionally provide a kind of software, this software is for performing the technical scheme described in above-described embodiment and preferred implementation.
In another embodiment, additionally provide a kind of storage medium, store above-mentioned software in this storage medium, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (22)
1. a collocation method for open flows Openflow accessory channel, is characterized in that, comprising:
Openflow collocation point sets up the connection with Openflow capabilities exchange machine;
Described collocation point sends the first configuration information for configuring accessory channel to described capabilities exchange machine, and wherein, described accessory channel is Openflow logical switch on described capabilities exchange machine and the accessory channel between Openflow controller.
2. method according to claim 1, is characterized in that, described first configuration information at least comprises:
The mark of described accessory channel, remote port, far-end IP address and host-host protocol, wherein, remote port and the far-end IP address of described accessory channel are respectively port and the IP address of the described controller when described controller is connected described logical switch.
3. method according to claim 2, is characterized in that, described first configuration information also comprise following one of at least:
The local port of described accessory channel, the local ip address of described accessory channel, wherein, local port and the local ip address of described accessory channel are respectively port and the IP address of the described logical switch when described logical switch is connected described controller.
4. method according to claim 3, is characterized in that, described local ip address is identical with the local ip address configured for Openflow main channel.
5. method according to claim 2, is characterized in that, the host-host protocol of described accessory channel is different from the host-host protocol of Openflow main channel.
6. method according to claim 1, it is characterized in that, when described first configuration information does not comprise local port and the local ip address of described accessory channel, using the local port of described Openflow main channel and local ip address as the local port of described accessory channel and local ip address.
7. method according to claim 1, is characterized in that, before described collocation point sends the first configuration information for configuring accessory channel to described capabilities exchange machine, described method comprises:
Described collocation point sends inquiry request to described capabilities exchange machine, and wherein, described inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between described logical switch and described controller;
Described collocation point receives described second configuration information and/or described main channel state that described capabilities exchange machine feeds back according to described inquiry request;
Described collocation point determines the specified configuration information in described first configuration information according to described second configuration information and/or described main channel state.
8. method according to claim 7, is characterized in that, described specified configuration information comprises: the local ip address of described accessory channel and local port.
9. method according to claim 7, is characterized in that,
Described main channel state comprise following one of at least: the local port that the local ip address that whether normal, the described main channel of connection status of described main channel uses, described main channel use, wherein, the local ip address that uses of described main channel and local port are respectively local ip address and the local port of described logical switch when described logical switch is connected described controller; And/or
Described second configuration information comprise following one of at least: the local port of described main channel, local ip address, remote port, far-end IP address, host-host protocol, wherein, remote port and the far-end IP address of described main channel are respectively port and the IP address of the described controller when described controller is connected described logical switch.
10. method according to claim 1, is characterized in that, described accessory channel and Openflow main channel exist following relation:
After described main channel connects, set up the connection of described accessory channel; And/or
When the Joint failure of described main channel, described accessory channel lost efficacy.
11. methods according to any one of claim 1 to 10, is characterized in that, described collocation point is to after described capabilities exchange machine sends the first configuration information for configuring accessory channel, and described method also comprises:
The message of what described collocation point received that described capabilities exchange machine replys be used to indicate described accessory channel whether configuration successful.
12. methods according to any one of claim 1-10, it is characterized in that, described method also comprises:
Described collocation point inquires about configuration information and/or the accessory channel state of described accessory channel.
13. methods according to claim 12, is characterized in that,
Described accessory channel state comprise following one of at least: the far-end IP address that the local port that the local ip address that whether normal, the described accessory channel of connection status of described accessory channel uses, described accessory channel use, described accessory channel use and the remote port that described accessory channel uses; And/or
The configuration information of described accessory channel comprise following one of at least: the mark of described accessory channel, local ip address, local port, far-end IP address, remote port, host-host protocol.
The collocation method of 14. 1 kinds of open flows Openflow accessory channels, is characterized in that, comprising:
Openflow capabilities exchange machine receives the first configuration information from Openflow collocation point, and this first configuration information is for configuring the accessory channel on described capabilities exchange machine between Openflow logical switch and Openflow controller;
Described first configuration information is distributed to described logical switch by described capabilities exchange machine.
15. methods according to claim 14, is characterized in that, described first configuration information at least comprises:
The mark of described accessory channel, remote port, far-end IP address and host-host protocol, wherein, remote port and the far-end IP address of described accessory channel are respectively port and the IP address of the described controller when described controller is connected described logical switch.
16. methods according to claim 14, is characterized in that, described first configuration information also comprise following one of at least:
The local port of described accessory channel, the local ip address of described accessory channel, wherein, local port and the local ip address of described accessory channel are respectively port and the IP address of the described logical switch when described logical switch is connected described controller.
17. methods according to claim 14, is characterized in that, Openflow capabilities exchange machine comprises before receiving the first configuration information from Openflow collocation point:
Described capabilities exchange machine receives the inquiry request from described collocation point, wherein, described inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between described logical switch and described controller, and described second configuration information and/or described main channel state are for determining the specified configuration information in described first configuration information;
Described capabilities exchange machine sends described second configuration information and/or main channel state according to described inquiry request to described collocation point.
18. methods according to claim 17, is characterized in that,
Described main channel state comprise following one of at least: the local port that the local ip address that whether normal, the described main channel of connection status of described main channel uses, described main channel use, wherein, the local ip address that uses of described main channel and local port are respectively local ip address and the local port of described logical switch when described logical switch is connected described controller; And/or
Described second configuration information comprise following one of at least: the local port of described main channel, local ip address, remote port, far-end IP address, host-host protocol, wherein, remote port and the far-end IP address of described main channel are respectively port and the IP address of the described controller when described controller is connected described logical switch.
The inking device of 19. 1 kinds of open flows Openflow accessory channels, is applied to Openflow collocation point, it is characterized in that, comprising:
Set up module, for setting up the connection with Openflow capabilities exchange machine;
First sending module, for sending the first configuration information for configuring accessory channel to described capabilities exchange machine, wherein, described accessory channel is the accessory channel on described capabilities exchange machine between Openflow logical switch and Openflow controller.
20. devices according to claim 19, is characterized in that, described device also comprises:
Second sending module, be used for inquiry request for sending to described capabilities exchange machine, wherein, described inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between described logical switch and described controller;
Receiver module, for receiving described second configuration information and/or described main channel state that described capabilities exchange machine feeds back according to described inquiry request;
Determination module, for determining the specified configuration information in described first configuration information according to described second configuration information and/or described main channel state.
The inking device of 21. 1 kinds of open flows Openflow accessory channels, is applied to Openflow capabilities exchange machine, it is characterized in that, comprising:
First receiver module, for receiving the first configuration information from Openflow collocation point, this first configuration information is for configuring the accessory channel on described capabilities exchange machine between Openflow logical switch and Openflow controller;
Distribution module, for being distributed to described logical switch by described first configuration information.
22. devices according to claim 21, is characterized in that, also comprise:
Second receiver module, for receiving the inquiry request from described collocation point, wherein, described inquiry request is for inquiring about the second configuration information and/or the main channel state of the Openflow main channel between described logical switch and described controller, and described second configuration information and/or described main channel state are for determining the specified configuration information in described first configuration information;
Sending module, for sending described main channel configuration information and/or main channel state according to described inquiry request to described collocation point.
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