CN103825796A - Message interactive method, terminal station and network bridge - Google Patents
Message interactive method, terminal station and network bridge Download PDFInfo
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- CN103825796A CN103825796A CN201410073525.8A CN201410073525A CN103825796A CN 103825796 A CN103825796 A CN 103825796A CN 201410073525 A CN201410073525 A CN 201410073525A CN 103825796 A CN103825796 A CN 103825796A
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Abstract
The invention discloses a message interactive method, a terminal station and a network bridge. The message interactive method comprises the steps that the terminal station sends a message to be sent of at least one virtual switch running on the terminal station to the network bridge through a network interface card of the terminal station; if the target of the received message is at least one virtual switch in the terminal station, the network bridge reflects the message to the terminal station through a receiving port; if the target of the received message is not at least one virtual switch in the terminal station, the network bridge transmits the message to an outer network; and the terminal station transmits the received message to the virtual switch with virtual port information according to the virtual port information of the virtual switch. According to the message interactive method, the terminal station and the network bridge, computing load of the terminal station of the virtual switch is lowered, and management of the network bridge on data interaction between virtual switches is convenient.
Description
Technical field
The present invention relates to technical field of the computer network, relate in particular to message interaction method, terminal station and bridge.
Background technology
Typical feature of New Generation of IDC is that to change " virtual server " into from " physical server is interconnected " interconnected.The virtual features such as Server Consolidation, business continuity and elasticity of having brought to data center have therefore obtained more application in data center.
Fig. 1 has provided the signal flow diagram of the virtual switch that prior art provides.Referring to Fig. 1, have multiple virtual switches 111 in 110 inside, terminal station, and each virtual switch 111 independently receives and transmission network data.When other network equipments beyond data to be sent need to be sent to terminal station 110, virtual switch 111 transmits these data by the bridge 120 being directly connected with terminal station 110; And when data to be sent are destinations while being the another one virtual switch 111 in same terminal station 110, these data do not need through bridge 120, directly transmit in 110 inside, terminal station.
Data between this different virtual switch are without other any network equipments, and the operation and management that is only data center in the pattern of terminal station internal transmission has caused obstacle.First, larger once the interaction data between different virtual switch, the assumed (specified) load in terminal station self is just very heavy, causes the operating rate in the terminal station of carrying virtual switch to decline, the serious machine of delaying that even causes terminal station.Secondly,, because the data interaction between virtual switch does not need through bridge, make bridge to implement management to the data interaction between virtual switch.
Summary of the invention
In view of this, the present invention proposes a kind of message interaction method, terminal station and bridge, to reduce the assumed (specified) load in the terminal station of carrying virtual switch, facilitates bridge to implement management to the data interaction between virtual switch.
First aspect, the embodiment of the present invention provides a kind of message interaction method, is applied to terminal station, and described method comprises:
The message to be sent of at least one virtual switch moving on terminal station is sent to bridge by the network interface unit in described terminal station, and wherein, described virtual switch is the virtual switch on the virtual machine KVM operating in based on linux kernel;
According to the virtual port information of the message receiving by the message transmissions receiving to the virtual switch with described virtual port information.
Second aspect, the embodiment of the present invention provides a kind of message interaction method, is applied to bridge, and described method comprises:
If the message receiving is the message take the virtual switch in described terminal station as object, this message is reflexed to described terminal station by receiving port;
If the message receiving is not the message take the virtual switch in described terminal station as object, by this message transmissions to outer net.
The third aspect, the embodiment of the present invention provides a kind of terminal station, and described terminal station comprises:
Message transmission processing module, for the message to be sent of at least one virtual switch moving on terminal station is sent to bridge by the network interface unit in described terminal station, wherein, described virtual switch is the virtual switch on the virtual machine KVM operating in based on linux kernel;
Message receiving processing module, for the virtual port information according to the message receiving by the message transmissions receiving to the virtual switch with described virtual port information.
Fourth aspect, the embodiment of the present invention provides a kind of bridge, and described bridge comprises:
Reflecting module, in the time that the message receiving is the message take the virtual switch in described terminal station as object, reflexes to described terminal station by this message by receiving port;
Outer net transport module, in the time that the message receiving is not the message take the virtual switch in described terminal station as object, by this message transmissions to outer net.
Message interaction method, terminal station and bridge that the embodiment of the present invention provides, utilize terminal station that the message all to be sent of virtual switch is sent to bridge, after the message that bridge receiving terminal station sends, at least one virtual switch take in described terminal station is reflected back to terminal station as the message of object, interaction data between virtual switch is forwarded by bridge equipment equally, cancel the assumed (specified) load that terminal station produces because of the data interaction between virtual switch, also made the data interaction between virtual switch be easier to management.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is the signal flow diagram of the virtual switch that provides of prior art;
Fig. 2 is the flow chart of the message interaction method that provides of first embodiment of the invention;
Fig. 3 is the flow chart of the message interaction method that provides of second embodiment of the invention;
Fig. 4 is the flow chart of the message interaction method that provides of third embodiment of the invention;
Fig. 5 is the flow chart of the message interaction method that provides of fourth embodiment of the invention;
Fig. 6 is the signal flow diagram of the message interaction method that provides of fourth embodiment of the invention;
Fig. 7 is the structure chart in the terminal station that provides of fifth embodiment of the invention;
Fig. 8 is the structure chart of the bridge that provides of sixth embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, in accompanying drawing, only show part related to the present invention but not full content.
Fig. 2 shows the first embodiment of the present invention.
Fig. 2 is the flow chart of the message interaction method that provides of first embodiment of the invention.Described message interaction method is applied on terminal station.Referring to Fig. 2, described message interaction method comprises:
S21, the message to be sent of at least one virtual switch moving on terminal station is sent to bridge by the network interface unit in described terminal station, wherein, described virtual switch is the virtual switch on the virtual machine (Kernal-based virtual machine, KVM) operating in based on linux kernel.
Described terminal station is a kind of computing equipment that can be used for moving virtual switch.Described terminal station has network interface unit, and terminal station can send data to other network equipments by its network interface unit, also can receive data from other network equipments by its network interface unit.And, preferred, LLDP agreement that described terminal station is pre-loaded.
Virtual switch is a kind of virtual machine operating in described terminal station.This virtual machine has virtual network interface unit, is called for short Microsoft Loopback Adapter.By its Microsoft Loopback Adapter, virtual switch can send data to other network equipments in network, also can receive data by other network equipments from network.In addition, in described terminal station, can there be multiple virtual switches to move simultaneously.
Each virtual switch has corresponding with it virtual port information.Terminal station and bridge can be distinguished by the source virtual port information in message or object virtual port information source virtual switch or the object virtual switch of outstanding message.
In the present embodiment, on described terminal station, operation has (SuSE) Linux OS.And described virtual switch operates on the KVM on (SuSE) Linux OS.
When virtual switch on running on terminal station has message to send, no matter needing the message sending is take another virtual switch on this terminal station as destination, or take other network equipments the virtual switch on this terminal station as destination, terminal station is all sent to bridge by this message that need to send by the network interface unit in terminal station.By the bridge that receives this message, this message is done to further forwarding.
S22, according to the virtual port information of the message receiving by the message transmissions receiving to the virtual switch with described virtual port information.
The virtual switch operating on terminal station not only sends message by the network interface unit in described terminal station to bridge, also receives message by the network interface unit in described terminal station from bridge.
In order to distinguish which virtual switch this message should transfer to, and the message that terminal station receives from bridge all comprises virtual port information the message that terminal station is sent from bridge in reception.Terminal station receives the message sending from bridge, and determining according to the virtual port information in this message should by this message transmissions to which virtual switch.Determining that after the object virtual switch of this message, terminal station is the object virtual switch to this message by the message transmissions receiving.
The present embodiment is sent to bridge by the message to be sent of being gone up at least one virtual switch moving by terminal station by the network interface unit in described terminal station, and according to the virtual port information of the message that receives by message transmissions to corresponding virtual switch, any message being sent by terminal station all must be forwarded by bridge, reduce the assumed (specified) load in the terminal station of carrying virtual switch, facilitated bridge to implement management to the data interaction between virtual switch.
Fig. 3 shows the second embodiment of the present invention.
Fig. 3 is the flow chart of the message interaction method that provides of second embodiment of the invention.Described message interaction method is applied on bridge.The receiving port of described bridge has enabled virtual ethernet trunking device (Virtual ethernet port aggregator, VEPA) function and VLAN (Virtual local area network, VLAN) interpretative function, and do not enable Spanning-Tree Protocol (Spanning tree protocol, STP) function and 802.1ad/Q-in-Q and 802.1ah/Mac-in-Mac function.Referring to Fig. 3, described message interaction method comprises:
S31, if the message receiving is the message take the virtual switch in described terminal station as object, reflexes to described terminal station by this message by receiving port.
Described bridge is directly connected with terminal station, for the network equipment that the message of described terminal station transmitting-receiving is forwarded.
The message that described bridge receives may be the message take any virtual switch in described terminal station as object.If the message receiving is the message take the virtual switch in described terminal station as object, described bridge reflexes to described terminal station by this message by receiving port.Wherein, receiving port refers to that bridge receives the corresponding physical port of message.By receiving port, the message receiving is reflected to the destination address referring to the source address of the message receiving as message to be sent, and other data of the message receiving are copied in message to be sent, the message re-constructing is sent.
S32, if the message receiving is not the message take the virtual switch in described terminal station as object, by this message transmissions to outer net.
If the message receiving is not the message take the virtual switch in described terminal station as object, the message that explanation receives is the message take the outer web network equipment the virtual switch in terminal station as destination.To such message, bridge transmits it to outer net by outbound port.Outer net refers to the network being made up of other network equipments except described terminal station and described bridge.
It should be noted that, if a virtual switch running on described terminal station breaks down, network manager can manually migrate to this virtual switch on other terminal station, and the All Policies of virtual switch originally can synchronous migration.
The present embodiment is by being forwarded described message according to the destination-address of the message receiving by bridge.Concrete, the message that is the virtual switch in terminal station by destination-address reflects, and the message that is not the virtual switch in terminal station by destination-address mails to outer net, the assumed (specified) load that has reduced the terminal station of carrying virtual switch with this, has facilitated bridge to implement management to the data interaction between virtual switch.
Fig. 4 shows the third embodiment of the present invention.
Fig. 4 is the flow chart of the message interaction method that provides of third embodiment of the invention.Identical with second embodiment of the invention, described message interaction method is applied to bridge.And, described message interaction method is take second embodiment of the invention as basis, further, also be included in this message is reflexed to described terminal station by receiving port or by this message transmissions to before outer net, learn the virtual port information of at least one virtual switch moving on described terminal station.Referring to Fig. 4, described message interaction method comprises:
S41, learns the virtual port information of at least one virtual switch moving on described terminal station.
Because bridge needed to determine the message receiving is reflexed to which virtual switch according to the virtual port information in message before the message receiving is reflected, so the virtual port information of the virtual switch of all operations in the terminal war that described bridge should have been learnt to be directly connected with it in advance.
Described virtual port information is the relevant information of the virtual port of corresponding virtual switch, and and does not correspond to any physical port.And described virtual port information is made up of port numbers and the VLAN mark of source physical port.
The virtual port information of the virtual switch that moves on to terminal station of the moment that described bridge can be connected with terminal station at it is carried out disposable study, also can be to carry out real-time virtual port information study in the data exchange process in terminal station.
S42, if the message receiving is the message take the virtual switch in described terminal station as object, reflexes to described terminal station by this message by receiving port.
S43, if the message receiving is not the message take the virtual switch in described terminal station as object, by this message transmissions to outer net.
The present embodiment is learnt by the virtual port information of the virtual switch in terminal station, make that bridge is pre-stored a virtual port information that each virtual switch is corresponding, bridge can be reflected the packet receiving, reduce the assumed (specified) load in the terminal station of carrying virtual switch, facilitated bridge to implement management to the data interaction between virtual switch.
Fig. 5 and Fig. 6 show the fourth embodiment of the present invention.
Fig. 5 is the flow chart of the message interaction method that provides of fourth embodiment of the invention.Referring to Fig. 5, described message interaction method comprises:
S51, bridge is learnt the virtual port information of at least one virtual switch moving on described terminal station.
S52, on terminal station, the message to be sent of at least one virtual switch of operation is sent to bridge by the network interface unit in described terminal station.
S53, if the message receiving is the message take the virtual switch in described terminal station as object, bridge reflexes to described terminal station by this message by receiving port.
S54, if the message receiving is not the message take the virtual switch in described terminal station as object, bridge by this message transmissions to outer net.
S55, terminal station according to the virtual port information of the message receiving by the message transmissions receiving to the virtual switch with described virtual port information.
Fig. 6 is the signal flow diagram of the message interaction method that provides of fourth embodiment of the invention.Referring to Fig. 6, the interior operation in terminal station 610 has hypervisor 613.On this hypervisor 613, operation has multiple virtual switches 611, and each virtual switch 611 has the Microsoft Loopback Adapter 612 of self.Virtual switch 611 can send message to bridge by the Microsoft Loopback Adapter 612 of self, or receives message from bridge.The message that virtual switch 611 sends can be transferred into bridge 620 by the network interface card in terminal station 610 614, and bridge 620 can send message to terminal station 610 by the network interface card in terminal station 610 614.
In the present embodiment, no matter whether the destination of the message to be sent of virtual switch 611 is virtual switches 611 of operation in this terminal station 610, and terminal station 610 is all sent to bridge 620 by message to be sent by network interface card 614.Receiving after the message that terminal station 610 sends, bridge 620 judges whether the message receiving is the message take the virtual switch 611 in described terminal station 610 as destination.If the message receiving is the message take the virtual switch 611 in described terminal station 610 as destination, the message receiving is reflected back described terminal station 610 by described bridge 620; If the message receiving is not the message take the virtual switch 611 in described terminal station 610 as destination, the message receiving is sent to outer net by described bridge.
The present embodiment is by being sent to bridge by terminal station by all messages to be sent, bridge receives the destination-address that reads message after this message, if the destination-address of this message is the virtual switch in terminal station, this message is reflected, if not, by this message transmissions to outer net, terminal station receives after the message of reflection, according to virtual port address by this message transmissions to corresponding virtual switch, cancel the assumed (specified) load that terminal station produces because of the data interaction between virtual switch, also make the data interaction between virtual switch be easier to management.
Fig. 7 shows the fifth embodiment of the present invention.
Fig. 7 is the structure chart in the terminal station that provides of fifth embodiment of the invention.Referring to Fig. 7, described terminal station comprises: message transmission processing module 710 and message receiving processing module 720.
Described message transmission processing module 710 is for being sent to bridge by the message to be sent of at least one virtual switch moving on terminal station by the network interface unit in described terminal station, wherein, described virtual switch is the virtual switch on the virtual machine KVM operating in based on linux kernel.
Described message receiving processing module 720 for the virtual port information according to the message receiving by the message transmissions receiving to the virtual switch with described virtual port information.
Preferably, LLDP agreement that described terminal station is pre-loaded.
The present embodiment is sent to bridge by the message to be sent of being gone up at least one virtual switch moving by terminal station by the network interface unit in described terminal station, and according to the virtual port information of the message that receives by message transmissions to corresponding virtual switch, any message being sent by terminal station all must be forwarded by bridge, reduce the assumed (specified) load in the terminal station of carrying virtual switch, facilitated bridge to implement management to the data interaction between virtual switch.
Fig. 8 shows the sixth embodiment of the present invention.
Fig. 8 is the structure chart of the bridge that provides of sixth embodiment of the invention.Referring to Fig. 8, described bridge comprises: reflecting module 820 and outer net transport module 830.
Described reflecting module 820, in the time that the message receiving is the message take the virtual switch in described terminal station as object, reflexes to described terminal station by this message by receiving port.
Described outer net transport module 830 is not in the time that the message receiving is the message take the virtual switch in described terminal station as object, by this message transmissions to outer net.
Preferably, described bridge comprises virtual port information study module 810.
Described virtual port information study module 810 for this message is reflexed to by receiving port described terminal station maybe by this message transmissions to before outer net, learn the virtual port information of at least one virtual switch moving on described terminal station.
Preferably, the receiving port of described bridge has enabled VEPA function and VLAN interpretative function, and does not enable STP function and 802.1ad/Q-in-Q and 802.1ah/Mac-in-Mac function.
The present embodiment, by described message being forwarded according to the destination-address of the message receiving by bridge, has reduced the assumed (specified) load in the terminal station of carrying virtual switch, has facilitated bridge to implement management to the data interaction between virtual switch.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Those of ordinary skills 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 the network that multiple calculation elements form, alternatively, they can realize with the executable program code of computer installation, thereby they can be stored in storage device and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module realize.Like this, the present invention is not restricted to the combination of any specific hardware and software.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, the same or analogous part between each embodiment mutually referring to.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, the present invention can have various changes and variation.All any modifications of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included within spirit of the present invention and principle.
Claims (10)
1. a message interaction method, is applied to terminal station, it is characterized in that, comprising:
The message to be sent of at least one virtual switch moving on terminal station is sent to bridge by the network interface unit in described terminal station, and wherein, described virtual switch is the virtual switch on the virtual machine KVM operating in based on linux kernel;
According to the virtual port information of the message receiving by the message transmissions receiving to the virtual switch with described virtual port information.
2. method according to claim 1, is characterized in that, LLDP agreement that described terminal station is pre-loaded.
3. a message interaction method, is applied to bridge, it is characterized in that, comprising:
If the message receiving is the message take the virtual switch in described terminal station as object, this message is reflexed to described terminal station by receiving port;
If the message receiving is not the message take the virtual switch in described terminal station as object, by this message transmissions to outer net.
4. method according to claim 3, is characterized in that, this message is reflexed to by receiving port described terminal station maybe by this message transmissions to before outer net, described method also comprises:
Learn the virtual port information of at least one virtual switch moving on described terminal station.
5. method according to claim 3, it is characterized in that, the receiving port of described bridge has enabled virtual ethernet trunking device VEPA function and virtual LAN VLAN interpretative function, and does not enable Spanning-Tree Protocol function and 802.1ad/Q-in-Q and 802.1ah/Mac-in-Mac function.
6. a terminal station, is characterized in that, comprising:
Message transmission processing module, for the message to be sent of at least one virtual switch moving on terminal station is sent to bridge by the network interface unit in described terminal station, wherein, described virtual switch is the virtual switch on the virtual machine KVM operating in based on linux kernel;
Message receiving processing module, for the virtual port information according to the message receiving by the message transmissions receiving to the virtual switch with described virtual port information.
7. terminal station according to claim 6, is characterized in that, LLDP agreement that described terminal station is pre-loaded.
8. a bridge, is characterized in that, comprising:
Reflecting module, in the time that the message receiving is the message take the virtual switch in described terminal station as object, reflexes to described terminal station by this message by receiving port;
Outer net transport module, in the time that the message receiving is not the message take the virtual switch in described terminal station as object, by this message transmissions to outer net.
9. bridge according to claim 8, is characterized in that, also comprises:
Virtual port information study module, for this message is reflexed to by receiving port described terminal station maybe by this message transmissions to before outer net, learn the virtual port information of at least one virtual switch moving on described terminal station.
10. bridge according to claim 8, it is characterized in that, the receiving port of described bridge has enabled virtual ethernet trunking device VEPA function and virtual LAN VLAN interpretative function, and does not enable Spanning-Tree Protocol function and 802.1ad/Q-in-Q and 802.1ah/Mac-in-Mac function.
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Application publication date: 20140528 |
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