CN110063045A

CN110063045A - Message processing method and equipment in cloud computing system

Info

Publication number: CN110063045A
Application number: CN201680091420.2A
Authority: CN
Inventors: 黄登辉; 康达祥; 黄毅
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Cloud Computing Technologies Co Ltd
Priority date: 2016-12-08
Filing date: 2016-12-08
Publication date: 2019-07-26
Anticipated expiration: 2036-12-08
Also published as: WO2018103043A1; CN110063045B

Abstract

The invention discloses the message processing methods and equipment in a kind of cloud computing system, it include: that the first vSwitch in the first calculate node receives the Address Resolution Protocol ARP request that the first VM is sent, the ARP request carries the MAC Address of the first VM and the internet protocol address of the 2nd VM；The MAC Address for extracting the first VM, the MAC Address of the 2nd VM is created according to the IP address of the MAC Address of the first VM and the 2nd VM, and the first VM of Xiang Suoshu sends the arp response for carrying the MAC Address of the 2nd VM.Implement the embodiment of the present invention, is conducive to the forward efficiency for improving data message between the VM in cloud computing system.

Description

Message processing method and equipment in cloud computing system

Technical field

The present invention relates to the message processing methods and equipment in field of computer technology more particularly to a kind of cloud computing system.

Background technique

Virtual LAN (Virtual Local Area Network, VLAN) be it is a kind of by by the apparatus logic of local area network rather than be physically divided up into network segment one by one, to realize the technology of virtual workgroup.With the development of big data technology and the expansion of mass data, the widespread deployment of server virtualization technology increases the calculating density of data center, virtual machine itself is not by the constraint of physical computing environment, the flexibility change request of business can be can satisfy in a network unlimitedly by business migration to purpose physical location.

To enable switch to differentiate the message of different VLAN in existing vlan technology, the identification field for adding VLAN in messages is needed to indicate that VLAN is identified, in the message structure of identification field with VLAN, for indicating that the field length of the mark of VLAN is 12 bits, so interchanger can usually divide 4094 VLAN, value range is 1-4094, and with the continuous expansion of the professional ability of cloud computing system, the virtual process identifications quantity in vlan technology has been difficult to meet business demand.In addition, this volume of transmitted data for increasing data message by way of increasing additional flag field come encapsulation of data message, reduces the forward efficiency of data message in cloud computing system.

Summary of the invention

The present invention provides message processing method and equipment in a kind of cloud computing system, and the forward efficiency of data message between the VM in cloud computing system can be improved.

First aspect, the embodiment of the invention provides the message processing methods in a kind of cloud computing system, the cloud computing system includes the first calculate node, is deployed with the first virtual machine VM and the first virtual switch vSwitch in first calculate node, which comprises

First vSwitch receives the Address Resolution Protocol ARP request that the first VM is sent, institute It states ARP request and carries the MAC address of the first VM and the internet protocol address of the 2nd VM, the 2nd VM and the first VM belong to same virtual network；

First vSwitch extracts the MAC Address of the first VM, the MAC Address of the 2nd VM is created according to the IP address of the MAC Address of the first VM and the 2nd VM, wherein, the virtual process identifications field of MAC Address of the virtual process identifications field of the MAC Address of first VM as the 2nd VM, network segment belonging to the IP address of 2nd VM is used to create the private network field of the MAC Address of the 2nd VM, the extended identifier field of MAC Address of rear three bytes of the IP address of the 2nd VM as the 2nd VM；

First vSwitch sends the arp response for carrying the MAC Address of the 2nd VM to the first VM.

Therefore, in the embodiment of the present invention, cloud computing system constructs the MAC Address of VM using the virtual process identifications of the virtual network where VM and the IP address information of VM, virtual network is identified without encapsulating additional field in data message, advantageously reduce the length of the data message between the VM in cloud computing system, the transmission process duration of VM data message is reduced, to be conducive to improve the forward efficiency of data message between the VM in cloud computing system.

In a possible design, the cloud computing system further includes the second calculate node, disposed in second calculate node and stated the 2nd VM and the 2nd vSwitch, first calculate node and second calculate node by by group of switches at bearer network communicate to connect；After first vSwitch sends the arp response for the MAC Address for carrying the 2nd VM to the first VM, the method also includes:

First vSwitch receives the first data packet that the first VM is sent, and first data packet carries the MAC Address of the 2nd VM；

First vSwitch determines that the 2nd VM is deployed in second calculate node according to the MAC Address of the 2nd VM, the network identity that the bearer network is added in first data packet sends first data packet to the 2nd VM by the interchanger and the 2nd vSwitch；

First vSwitch receives the second data packet that the 2nd VM is sent after receiving first data packet, and second data packet includes the network identity of the bearer network and the MAC Address of the first VM；

First vSwitch removes the network identity of the bearer network, forwards second data packet to the first VM according to the MAC Address of the first VM in second data packet.

In a possible design, the first vSwitch extracts the MAC Address of the first VM, and the MAC Address of the 2nd VM is created according to the IP address of the MAC Address of the first VM and the 2nd VM, comprising:

First vSwitch judges that the first VM and the 2nd VM belong to same virtual network, the MAC Address for extracting the first VM, using the virtual process identifications field of the MAC Address of the first VM as the virtual process identifications field of the MAC Address of the 2nd VM；

First vSwitch network segment according to belonging to the IP address of the 2nd VM creates the private network field of the MAC Address of the 2nd VM, using rear three bytes of the IP address of the 2nd VM as the extended identifier field of the MAC Address of the 2nd VM.

In a possible design, the MAC Address is the address field of 48 bits, the virtual process identifications field of the MAC Address is at least one bit of the 26th bit of MAC Address to the 39th bit and the 42nd bit into the 47th bit, the private network field of the MAC Address is the 25th bit and the 24th bit of MAC Address, the extended identifier field of the MAC Address is the 0th bit to the 23rd bit of MAC Address, 40th bit of the MAC Address is that the 0, the 41st bit is 1.

It can be seen that, in this possible design, the virtual process identifications field in MAC Address at most can achieve 20 bits, that is to say, that, relative to 4094 virtual process identifications of support are only capable of in existing vlan technology, MAC Address field structure provided in an embodiment of the present invention theoretically can at most support 2²⁰The virtual process identifications of a different virtual network are conducive to the virtual network quantity bearing capacity for improving cloud computing system to be greatly expanded the quantity for the virtual process identifications that cloud computing system can be supported.

Second aspect, the embodiment of the invention provides the message processing methods in cloud computing system, the cloud computing system includes control node, and the control node is deployed with network management module Network Manager and Virtual Machine Manager module VMManager, which comprises

The NetworkManager receives the VM request to create that the VMManager is sent, and creates the virtual port of VM, and distribute the virtual process identifications of virtual network belonging to VM to be created and the IP address of the VM to be created for the virtual port；

The NetworkManager identifies the virtual process identifications field for creating the MAC Address of the virtual port according to the virtual network, the private network field that the MAC Address of the virtual port is created according to network segment belonging to the IP address of the distribution creates the extended identifier field of the MAC Address of the virtual network port according to rear three bytes of the IP address of the distribution.

In a possible design, after the extended identifier field for the MAC Address that the NetworkManager creates the virtual network port according to rear three bytes of the IP address of the distribution, the method also includes:

The NetworkManager disposes resource allocation request to the VM that VMManager sends the port numbers for carrying the virtual port, and it is the VM distribution deployment resource to be created that the VM deployment resource allocation request, which is used to indicate the VMManager,；

The VMManager receives the VM and disposes resource allocation request, for the VM distribution deployment resource to be created, and the VM creation instruction for carrying deployment resource description information is sent to calculate node according to the MAC Address of the virtual port, the VM creation instruction is used to indicate the calculate node and uses the corresponding deployment asset creation VM of the deployment resource description information.

In a possible design, the MAC Address is the address field of 48 bits, the virtual process identifications field of the MAC Address is one or more bits of the 26th bit of MAC Address to the 39th bit and the 42nd bit into the 47th bit, the private network field of the MAC Address is the 25th bit and the 24th bit of MAC Address, the extended identifier field of the MAC Address is the 0th bit to the 23rd bit of MAC Address, 40th bit of the MAC Address is that the 0, the 41st bit is 1.

It can be seen that, in this possible design, the virtual process identifications field in MAC Address at most can achieve 20 bits, that is to say, that, relative to 4094 virtual process identifications of support are only capable of in existing vlan technology, MAC Address field structure provided in an embodiment of the present invention theoretically can at most support 2²⁰It is a not The virtual process identifications of same virtual network are conducive to the virtual network quantity bearing capacity for improving cloud computing system to be greatly expanded the quantity for the virtual process identifications that cloud computing system can be supported.

The third aspect, the embodiment of the present invention provide a kind of message process device of cloud computing system, which has the function of realizing the behavior of the first virtual switch vSwitch in the method design of above-mentioned first aspect in the first calculate node.The function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one or more modules corresponding with above-mentioned function.

Fourth aspect, the embodiment of the present invention provide a kind of message process device of cloud computing system, which has the function of realizing the behavior of control node in the method design of above-mentioned second aspect.The function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one or more modules corresponding with above-mentioned function.

5th aspect, the embodiment of the present invention provides a kind of first calculate node, first calculate node is deployed with the first virtual machine VM and the first virtual switch vSwitch, first calculate node includes processor, the processor is configured to the first calculate node is supported to execute corresponding function in the method for above-mentioned first aspect.Further, the first calculate node can also include communication interface.Further, the first calculate node can also include memory, and the memory saves for coupling with processor and is used for the necessary program instruction of the first calculate node and data.

6th aspect, the embodiment of the present invention provides a kind of control node, the control node is deployed with network management module Network Manager and Virtual Machine Manager module VMManager, the control node includes processor, the processor is configured to control node is supported to execute corresponding function in the method for above-mentioned second aspect.Further, control node can also include communication interface.Further, control node can also include memory, and the memory saves for coupling with processor and is used for the necessary program instruction of control node and data.

7th aspect, the embodiment of the invention provides a kind of computer program products, the computer program product includes instruction, when the computer program product is computer-executed, which executes the message processing method in cloud computing system provided by any implementation of first aspect or first aspect.The computer program product can be a software installation packet.

Eighth aspect, the embodiment of the invention provides a kind of computer program product, which includes instruction, and when the computer program product is computer-executed, which executes second aspect or the Message processing method in cloud computing system provided by any implementation of two aspects.The computer program product can be a software installation packet.

It can be seen that, in the embodiment of the present invention, cloud computing system constructs the MAC Address of VM using the virtual process identifications of the virtual network where VM and the IP address information of VM, virtual network is identified without encapsulating additional field in data message, advantageously reduce the length of the data message between the VM in cloud computing system, the transmission process duration of VM data message is reduced, to be conducive to improve the forward efficiency of data message between the VM in cloud computing system.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, the accompanying drawings required for describing the embodiments of the present invention are briefly described below, apparently, drawings in the following description are some embodiments of the invention, for those of ordinary skill in the art, without creative efforts, it is also possible to obtain other drawings based on these drawings.

Figure 1A is the structural schematic diagram of MAC Address field in existing vlan technology；

Figure 1B is a kind of system architecture diagram of example cloud computing system provided in an embodiment of the present invention；

Fig. 2A is the flow diagram of the message processing method in a kind of cloud computing system provided in an embodiment of the present invention；

Fig. 2 B is a kind of structural schematic diagram of the MAC Address of VM provided in an embodiment of the present invention；

Fig. 3 is the flow diagram of the message processing method in a kind of cloud computing system provided in an embodiment of the present invention；

Fig. 4 A is a kind of unit composition block diagram of message process device provided in an embodiment of the present invention；

Fig. 4 B is a kind of configuration diagram of calculate node provided in an embodiment of the present invention；

Fig. 5 A is a kind of unit composition block diagram of message process device provided in an embodiment of the present invention；

Fig. 5 B is a kind of configuration diagram of control node provided in an embodiment of the present invention.

Specific embodiment

Below in conjunction with attached drawing, technical solution in the embodiment of the present invention is described.

In vlan technology, the MAC Address of host refers to the identifier of host network card, each piece of network interface card The address media access control (Media Access Control, MAC) is all only and is solidificated on network interface card.As shown in Figure 1A, MAC Address is the field of 48 bits, preceding 24 bit is tissue unique identifier (Organizationally Unique Identifier, OUI), 24 bits are extended identifier afterwards, and the 40th bit of MAC Address is 0 expression unicast mac address, multicast bit position is indicated for 1,41st bit of MAC Address is 0 expression overall situation MAC, global MAC table, which shows in the MAC Address, contains identification of the manufacturer, local mac is indicated for 1, and local mac, which refers in the MAC Address, does not have identification of the manufacturer.

Please refer to Figure 1B, Figure 1B is a kind of system architecture diagram of example cloud computing system provided in an embodiment of the present invention, the cloud computing system includes core switch, convergence switch, calculate node, control node, core switch connects convergence switch, convergence switch is for connecting calculate node and control node, calculate node is for disposing virtual machine (Virtual Machine,) and virtual switch (Virtual Switch VM, vSwitch), control node is used for on-premise network management module NetworkManager and Virtual Machine Manager module VMManager.Between multiple calculate nodes by by group of switches at bearer network realize communication connection.Virtual Machine Manager module (Virtual Machine Manager is deployed in control node, VMManager), network management module Network Manager, network data base Network DB, virtual switch vSwitch is deployed in calculate node, virtual switch proxy module vSwitch-Agent, virtual machine VM (VM1 and VM3 in such as calculate node 1, VM2 and VM4 in calculate node 2), virtual machine monitor Hypervisor, calculate proxy management module Computer Agent, NetworkManager is responsible for the granting of virtual network business, such as: one network of creation, subnet, port, and as The control plane of virtual network, vSwitch-Agent is used to receive the connectivity of NetworkManager, then corresponding forwarding flow table is issued to be somebody's turn to do on the vSwitch of the calculate node, the connectivity includes media access control (the Media Access Control of the VM of current calculate node, MAC) the corresponding relationship between address and virtual network, that is virtual topology, and all VM for belonging to the same virtual network can be with double layer intercommunication.

Please refer to Fig. 2A, Fig. 2A is the flow diagram of the message processing method in a kind of cloud computing system provided in an embodiment of the present invention, this method is suitable for cloud computing system, the cloud computing system includes the first calculate node, the second calculate node, first calculating contact is deployed with the first VM and the first vSwitch, second calculating contact is deployed with the 2nd VM and the 2nd vSwitch, and the first calculate node and the second calculate node pass through Bearer network communication connection, the first VM and the 2nd VM belong to the first virtual network.This method comprises: 201~2013 parts, specific as follows:

201, the first VM send the first Address Translation Protocol (Address Resolution Protocol, ARP) request, and first ARP request carries the Internet protocol address IP address of the 2nd VM of MAC Address of the first VM.

202, first vSwitch receives the first ARP request, extract the MAC Address of the first VM, the MAC Address of the 2nd VM is created according to the IP address of the MAC Address of the first VM and the 2nd VM, and the first arp response for carrying the MAC Address of the 2nd VM is sent to the first VM, wherein, the virtual process identifications field of MAC Address of the virtual process identifications field of the MAC Address of first VM as the 2nd VM, network segment belonging to the IP address of 2nd VM is used to create the private network field of the MAC Address of the 2nd VM, the extended identifier field of MAC Address of rear three bytes of the IP address of 2nd VM as the 2nd VM.

Wherein, the virtual process identifications field in the MAC Address field of VM is used to indicate the virtual process identifications information of the virtual network where VM, and the private network field in the MAC Address field of VM is used to indicate the privately owned segment number of network segment belonging to the IP address of VM.

In a possible example, as shown in Figure 2 B, the MAC Address is the address field of 48 bits, the virtual process identifications field of the MAC Address is at least one bit of the 26th bit of MAC Address to the 39th bit and the 42nd bit into the 47th bit, the private network field of the MAC Address is the 25th bit and the 24th bit of MAC Address, the extended identifier field of the MAC Address is the 0th bit to the 23rd bit of MAC Address, 40th bit of the MAC Address is that the 0, the 41st bit is 1.

It can be seen that, in this possible example, the virtual process identifications field in MAC Address at most can achieve 20 bits, that is to say, that, relative to 4094 virtual process identifications of support are only capable of in existing vlan technology, MAC Address field structure provided in an embodiment of the present invention theoretically can at most support 2²⁰The virtual process identifications of a different virtual network are conducive to the virtual network quantity bearing capacity for improving cloud computing system to be greatly expanded the quantity for the virtual process identifications that cloud computing system can be supported.

Wherein, it is communicated due to the communication process under cloud computing system between virtual machine using mode of unicast, the 40th bit is 0, and expression MAC Address is unicast address, since local mac address type is being marked It is to allow user's progress customized, therefore the 41st bit is 1 in quasi- agreement, indicates that the type of MAC Address is local mac.25th bit of MAC Address and the 24th bit 00 indicate the privately owned segment number of 10.x.x.x/8,25th bit and the 24th bit 01 indicate the privately owned segment number of 172.16-32.x.x/16, and the 25th bit and the 24th bit 11 indicate the privately owned segment number of 192.168.x.x/24.Such as: network address section is 192.168.1.0/24, then, IP address 192.168.1.1 has been assigned to from network address section, and virtual process identifications are 1, then obtaining MAC Address is: 02:00:06:A8:01:01.

In a possible example, the first vSwitch extracts the MAC Address of the first VM, and according to the IP address of the MAC Address of the first VM and the 2nd VM, the implementation for creating the MAC Address of the 2nd VM be may is that

First vSwitch judges that the first VM and the 2nd VM belong to same virtual network, the MAC Address for extracting the first VM, using the virtual process identifications field of the MAC Address of the first VM as the virtual process identifications field of the MAC Address of the 2nd VM；Wherein, it is identical for belonging to the virtual process identifications of multiple VM of unified virtual network.

Wherein, after first vSwitch receives the first ARP request, first ARP request is transmitted to the first vSwitch-Agent of the first calculate node, after first vSwitch-Agent receives the first ARP request, the virtual network number of the virtual network where the first VM is determined according to the MAC Address of the first VM, the corresponding virtual port of IP address of the 2nd VM of inquiry whether there is, if it does not exist, then judge that the first VM and the 2nd VM are not belonging to the same virtual network, and abandons the first ARP request；If it exists, then judge that the first VM and the 2nd VM belong to the same virtual network, and flow table is issued to the first vSwitch, the flow table is used to indicate the first vSwitch and executes the MAC Address for creating the 2nd VM, and the operation for carrying the arp response of MAC Address of the 2nd VM is sent to the first VM.The flow table specifically includes operation description information, which is used to indicate the first vSwitch and executes the MAC Address for creating the 2nd VM, and the description information for carrying the operation of the arp response of MAC Address of the 2nd VM is sent to the first VM.

203, the first VM receive the first arp response, carry the 2nd VM to the first vSwitch transmission MAC Address the first data packet.

Wherein, first data packet further includes the IP address of the first VM.

204, first vSwitch receives the first data packet, extract the MAC Address of the 2nd VM in first data packet, determine that the 2nd VM is deployed in the second calculate node according to the MAC Address of the 2nd VM, determine that the first VM and the 2nd VM are deployed in different calculate nodes, interchanger in the network identity of the bearer network in the first data packet between the first calculate node of affix and the second calculate node, and into the bearer network sends the first data packet of the network identity of affix bearer network.

In a possible example, the first vSwitch may is that according to the specific implementation that the MAC Address of the 2nd VM determines that the 2nd VM is deployed in the second calculate node

First vSwitch determines the Microsoft Loopback Adapter card number of the 2nd VM according to the MAC Address of the 2nd VM, it is inquiry mark with the Microsoft Loopback Adapter card number of the 2nd VM, inquire the corresponding relationship between the Microsoft Loopback Adapter card number of VM and the identification information of calculate node, the corresponding calculate node of Microsoft Loopback Adapter card number for determining the 2nd VM is the second calculate node, so that it is determined that the 2nd VM is deployed in the second calculate node.

Wherein, the VMManager of control node is when creating VM in calculate node, VMManager sends the corresponding relationship between the Microsoft Loopback Adapter card number of VM and the identification information of calculate node to NetworkManager, the corresponding relationship that NetworkManager will acquire is notified to the vSwitch-Agent of calculate node, the corresponding relationship is transmitted to vSwitch again by vSwtich-Agent, to be stored with the corresponding relationship between the Microsoft Loopback Adapter card number of VM and the identification information of calculate node in vSwitch.

205, interchanger receives the first data packet of the network identity of affix bearer network, forwards the first data packet of the network identity of affix bearer network to the 2nd vSwitch according to the MAC Address of the 2nd VM in the first data packet.

After 206, the 2nd vSwitch receive the first data packet of the network identity of affix bearer network, identification information (i.e. removal net identifier field) is unlocked, the first data packet is forwarded to the 2nd VM according to the MAC Address of the 2nd VM in the first data packet.

207, the 2nd VM receive the first data packet, extract the IP address of the first VM in the first data packet, send the second ARP request, and second ARP request carries the MAC Address of the 2nd VM and the IP address of the first VM.

Due in the protocol stack of the 2nd VM in advance without caching the IP address and the first VM of the first VM Corresponding relationship between MAC, the working principle of protocol stack determines that the 2nd VM needs to learn and cache the corresponding relationship between the IP address of the first VM and the MAC Address of the first VM by sending the second ARP request and receiving the ARP inquiry mechanism of the second arp response, after having cached the corresponding relationship between the MAC Address and IP address of the first VM in the protocol stack of 2nd VM, the 2nd VM sends datagram further according to the corresponding relationship to the first VM.

208, 2nd vSwitch receives the second ARP request, extract the MAC Address of the 2nd VM, according to the MAC Address of the IP address of the first VM and the 2nd VM, create the MAC Address of the first VM, and the second arp response for carrying the MAC Address of the first VM is sent to the 2nd VM, wherein, the virtual process identifications field of MAC Address of the virtual process identifications field of the MAC Address of 2nd VM as the first VM, network segment belonging to the IP address of first VM is used to create the private network field of the MAC Address of the first VM, the extended identifier field of MAC Address of rear three bytes of the IP address of first VM as the first VM.

209, the 2nd VM receive the second arp response, and the second data packet for carrying the MAC Address of the first VM is sent to the 2nd vSwitch.

Wherein, the 2nd VM, can be in the corresponding relationship between the MAC for the IP address and the first VM for caching the first VM in protocol stack, so as to execute the operation for sending the second data packet according to the corresponding relationship after receiving the second arp response.

2010,2nd vSwitch receives the second data packet, extract the MAC Address of the first VM in second data packet, determine that the first VM is deployed in the first calculate node according to the MAC Address of the first VM, determine that the first VM and the 2nd VM are deployed in different calculate nodes, interchanger in the network identity of the bearer network in the second data packet between the first calculate node of affix and the second calculate node, and into the bearer network sends the second data packet of the network identity of affix bearer network.

2011, interchanger receives the second data packet of the network identity of affix bearer network, forwards the second data packet of the network identity of affix bearer network to the first vSwitch according to the MAC Address of the first VM in the second data packet.

After 2012, the first vSwitch receive the second data packet of the network identity of affix bearer network, network identity (i.e. removal net identifier field) is unlocked, the second data packet is forwarded to the first VM according to the MAC Address of the first VM in the second data packet.

2013, the first VM receive the second data packet.

Wherein, the first VM can determine that the first VM is connected in current virtual network with the 2nd VM after receiving the second data packet.

Referring to Fig. 3, Fig. 3 is the flow diagram of the message processing method in a kind of cloud computing system provided in an embodiment of the present invention, this method is suitable for cloud computing system shown in attached drawing 1B.This method comprises: 301~308 parts, specific as follows:

In 301 parts, VMManager detects virtual machine VM request to create, forwards VM request to create to NetworkManager.

In 302 parts, NetworkManager receives VM request to create, creates the virtual port of VM, and the virtual process identifications of virtual network are distributed for the virtual port, is that virtual port distributes IP address according to the network address section of virtual network.

Wherein, the strategy that virtual process identifications can distribute in sequence is allocated, or is allocated according to the strategy being randomly assigned, and the embodiment of the present invention does not do unique restriction.Similarly, the IP address of virtual port is that the strategy that can also be distributed in sequence in network address section is allocated.

In 303 parts, NetworkManager creates the virtual process identifications field of the MAC Address of virtual port according to virtual process identifications, the private network field that the MAC Address of virtual port is created according to network segment belonging to the IP address of distribution creates the extended identifier field of the MAC Address of virtual port according to rear three bytes of the IP address of distribution.

In a possible example, as shown in Figure 2 B, the MAC Address is the address field of 48 bits, and the virtual process identifications field of the MAC Address is the 26th bit of MAC Address to the The one or more bits of 39 bits and the 42nd bit into the 47th bit, the private network field of the MAC Address is the 25th bit and the 24th bit of MAC Address, the extended identifier field of the MAC Address is the 0th bit to the 23rd bit of MAC Address, 40th bit of the MAC Address is that the 0, the 41st bit is 1.

It can be seen that, virtual process identifications field in MAC Address at most can achieve 20 bits, that is, relative to being only capable of that 4094 virtual process identifications, MAC Address field structure provided in an embodiment of the present invention is supported theoretically can at most to support 2 in existing vlan technology²⁰The virtual process identifications of a different virtual network are conducive to the virtual network quantity bearing capacity for improving cloud computing system to be greatly expanded the quantity for the virtual process identifications that cloud computing system can be supported.

Wherein, since the communication process under cloud computing system between virtual machine is communicated using mode of unicast, therefore the 40th bit is 0, expression MAC Address is unicast address, since local mac address type is to allow user's progress customized in standard agreement, therefore the 41st bit is 1, indicates that the type of MAC Address is local mac.25th bit of MAC Address and the 24th bit 00 indicate the privately owned segment number of 10.x.x.x/8,25th bit and the 24th bit 01 indicate the privately owned segment number of 172.16-32.x.x/16, and the 25th bit and the 24th bit 11 indicate the privately owned segment number of 192.168.x.x/24.Such as: network address section is 192.168.1.0/24, then, IP address 192.168.1.1 has been assigned to from network address section, and virtual process identifications are 1, then obtaining MAC Address is: 02:00:06:A8:01:01.

In 304 parts, NetworkManager disposes resource allocation request to the VM that VMManager sends the port numbers for carrying virtual port.

In 305 parts, VMManager receives VM and disposes resource allocation request, for VM distribution deployment resource to be created, and the VM creation instruction for carrying deployment resource description information is sent according to calculating proxy management module Computer Agent of the determining MAC Address in calculate node, and establish the communication link between the Microsoft Loopback Adapter of VM and the vSwitch of calculate node.

In 306 parts, after Computer Agent receives VM creation instruction, the corresponding deployment resource of deployment resource description information is determined, and according to deployment asset creation VM.

It can be seen that, in the embodiment of the present invention, cloud computing system constructs the MAC Address of VM using the virtual process identifications of the virtual network where VM and the IP address information of VM, virtual network is identified without encapsulating additional field in data message, advantageously reduces the data between the VM in cloud computing system The length of message, reduces the transmission process duration of VM data message, to be conducive to improve the forward efficiency of data message between the VM in cloud computing system.

It is above-mentioned that mainly the scheme of the embodiment of the present invention is described from the angle of interaction between each equipment of cloud computing system.It is understood that each equipment, such as calculate node, control node, interchanger etc. are in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software module.Those skilled in the art should be readily appreciated that, unit and algorithm steps described in conjunction with the examples disclosed in the embodiments of the present disclosure, and the present invention can be realized with the combining form of hardware or hardware and computer software.Some function is executed in a manner of hardware or computer software driving hardware actually, specific application and design constraint depending on technical solution.Professional technician can specifically realize described function to each using distinct methods, but such implementation should not be considered as beyond the scope of the present invention.

Two or more functions can also be integrated in a processing unit according to the division that above method example carries out functional unit to calculate node etc. for example, each functional unit of each function division can be corresponded to by the embodiment of the present invention.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It should be noted that being schematically that only a kind of logical function partition, there may be another division manner in actual implementation to the division of unit in the embodiment of the present invention.

Fig. 4 A is please referred to, Fig. 4 A is the functional unit block diagram of the message process device in a kind of cloud computing system provided in an embodiment of the present invention.The message process device 400 includes: processing unit 402 and receiving unit 403 and transmission unit 404.Processing unit 402 for carrying out control management to the movement of message process device, for example, processing unit 402 be used to supporting message process device execute step 201-204,206-2010 in Fig. 2A, 2012 and/or for techniques described herein other processes.Receiving unit 403 and transmission unit 404 are used to support the communication in message process device and cloud computing system between other equipment, such as the communication between control node shown in Figure 1B.Message process device can also include storage unit 401, program code and data for stored messages processing unit.

Wherein, processing unit 402 can be processor or controller, such as it can be central processing unit (Central Processing Unit, CPU), general processor, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit (Application-Specific Integrated Circuit, ASIC), field programmable gate array (Field Programmable Gate Array, FPGA) either other programmable logic device, transistor logic, hardware component or any combination thereof.It may be implemented or execute knot Close various illustrative logic blocks, module and circuit described in the disclosure of invention.The processor is also possible to realize the combination of computing function, such as combines comprising one or more microprocessors, DSP and the combination of microprocessor etc..Receiving unit 403 and transmission unit 404 can be communication interface, transceiver, transmission circuit etc., wherein communication interface is to be referred to as, and may include one or more interfaces.Storage unit 401 can be memory.

When processing unit 402 is processor, receiving unit 403 and transmission unit 404 are transceiver, and when storage unit 401 is memory, message process device involved in the embodiment of the present invention can be calculate node (the first calculate node) shown in Fig. 4 B.

Fig. 4 B is please referred to, the first virtual machine VM and the first virtual switch vSwitch are deployed in the calculate node 410, which includes: processor 412, transceiver 413, memory 411.Optionally, RTD Service server 610 can also include bus 414.Wherein, transceiver 413, processor 412 and memory 411 can be connected with each other by bus 414；Bus 414 can be Peripheral Component Interconnect standard (Peripheral Component Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended Industry Standard Architecture, abbreviation EISA) bus etc..The bus 414 can be divided into address bus, data/address bus, control bus etc..Only to be indicated with a thick line in Fig. 4 B, it is not intended that an only bus or a type of bus convenient for indicating.

Please refer to Fig. 5 A, Fig. 5 A is a kind of functional unit block diagram of message process device provided in an embodiment of the present invention, the message process device is the control node in the cloud computing system, the message process device 500 includes network management module Network Manager501 and Virtual Machine Manager module VMManager502, the network management module 501 and VMManager502 for supporting message process device to execute the step 301-305 in Fig. 3.

Please refer to Fig. 5 B, Fig. 5 B is the structural schematic diagram of the control node in a kind of cloud computing system provided in an embodiment of the present invention, the control node is deployed with network management module Network Manager and Virtual Machine Manager module VMManager, which includes: processor 512, transceiver 513, memory 511.Optionally, control node 510 can also include bus 514.Wherein, transceiver 513, processor 512 and memory 511 can be connected with each other by bus 514；Bus 514 can be Peripheral Component Interconnect standard (Peripheral Component Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended Industry Standard Architecture, abbreviation EISA) bus etc..The bus 514 can be divided into address bus, data/address bus, control bus etc..Only to be indicated with a thick line in Fig. 5 B, it is not intended that an only bus or a type of bus convenient for indicating.

The embodiment of the invention also provides a kind of computer program products, which includes instruction, and when the computer program product is computer-executed, which executes some or all of record step in any of the above-described embodiment of the method.The computer program product can be a software installation packet.

It should be noted that, for the various method embodiments described above, for simple description, therefore, it is stated as a series of action combinations, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described, because according to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know that, the embodiments described in the specification are all preferred embodiments, and related actions and modules are not necessarily necessary for the present invention.

In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment, reference can be made to the related descriptions of other embodiments.

In several embodiments provided herein, it should be understood that disclosed device can be realized in other ways.Such as, the apparatus embodiments described above are merely exemplary, such as the division of the unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed mutual coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit, can be electrical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, and component shown as a unit may or may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.

In addition, the functional units in various embodiments of the present invention may be integrated into one processing unit, it is also possible to each unit and physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells as independent product Or it in use, can store in a computer-readable access to memory.Based on this understanding, substantially all or part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products technical solution of the present invention in other words, the computer software product is stored in a memory, including some instructions are with so that a computer equipment (can be personal computer, server or network equipment etc.) performs all or part of the steps of the method described in the various embodiments of the present invention.And memory above-mentioned includes: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, the various media that can store program code such as magnetic or disk.

Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is relevant hardware can be instructed to complete by program, the program can store in a computer-readable memory, memory may include: flash disk, read-only memory (English: Read-Only Memory, referred to as: ROM), random access device (English: Random Access Memory, abbreviation: RAM), disk or CD etc..

The embodiment of the present invention has been described in detail above, and used herein a specific example illustrates the principle and implementation of the invention, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；At the same time, for those skilled in the art, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion the contents of this specification are not to be construed as limiting the invention.

Claims

Message processing method in a kind of cloud computing system, which is characterized in that the cloud computing system includes the first calculate node, is deployed with the first virtual machine VM and the first virtual switch vSwitch in first calculate node, which comprises

First vSwitch receives the Address Resolution Protocol ARP request that the first VM is sent, the ARP request carries the MAC address of the first VM and the internet protocol address of the 2nd VM, and the 2nd VM and the first VM belong to same virtual network；

First vSwitch extracts the MAC Address of the first VM, the MAC Address of the 2nd VM is created according to the IP address of the MAC Address of the first VM and the 2nd VM, wherein, the virtual process identifications field of MAC Address of the virtual process identifications field of the MAC Address of first VM as the 2nd VM, network segment belonging to the IP address of 2nd VM is used to create the private network field of the MAC Address of the 2nd VM, the extended identifier field of MAC Address of rear three bytes of the IP address of the 2nd VM as the 2nd VM；

First vSwitch sends the arp response for carrying the MAC Address of the 2nd VM to the first VM.
According to the method for claim 1, it is characterized in that, the cloud computing system further includes the second calculate node, disposed in second calculate node and stated the 2nd VM and the 2nd vSwitch, first calculate node and second calculate node by by group of switches at bearer network communicate to connect；After first vSwitch sends the arp response for the MAC Address for carrying the 2nd VM to the first VM, the method also includes:

First vSwitch receives the first data packet that the first VM is sent, and first data packet carries the MAC Address of the 2nd VM；

First vSwitch determines that the 2nd VM is deployed in second calculate node according to the MAC Address of the 2nd VM, the network identity that the bearer network is added in first data packet sends first data packet to the 2nd VM by the interchanger and the 2nd vSwitch；

First vSwitch receives the second data packet that the 2nd VM is sent after receiving first data packet, and second data packet includes the network identity of the bearer network and the MAC Address of the first VM；

First vSwitch removes the network identity of the bearer network, forwards second data packet to the first VM according to the MAC Address of the first VM in second data packet.
Method according to claim 1 or 2, which is characterized in that the first vSwitch extracts the MAC Address of the first VM, and the MAC Address of the 2nd VM is created according to the IP address of the MAC Address of the first VM and the 2nd VM, comprising:

First vSwitch judges that the first VM and the 2nd VM belong to same virtual network, the MAC Address for extracting the first VM, using the virtual process identifications field of the MAC Address of the first VM as the virtual process identifications field of the MAC Address of the 2nd VM；

First vSwitch network segment according to belonging to the IP address of the 2nd VM creates the private network field of the MAC Address of the 2nd VM, using rear three bytes of the IP address of the 2nd VM as the extended identifier field of the MAC Address of the 2nd VM.
Method according to claim 1-3, it is characterized in that, the MAC Address is the address field of 48 bits, the virtual process identifications field of the MAC Address is at least one bit of the 26th bit of MAC Address to the 39th bit and the 42nd bit into the 47th bit, the private network field of the MAC Address is the 25th bit and the 24th bit of MAC Address, the extended identifier field of the MAC Address is the 0th bit to the 23rd bit of MAC Address, 40th bit of the MAC Address is that the 0, the 41st bit is 1.
Message processing method in a kind of cloud computing system, which is characterized in that the cloud computing system includes control node, and the control node is deployed with network management module Network Manager and Virtual Machine Manager module VMManager, which comprises

The NetworkManager receives the VM request to create that the VMManager is sent, and creates the virtual port of VM, and distribute the virtual process identifications of virtual network belonging to VM to be created and the IP address of the VM to be created for the virtual port；

The NetworkManager identifies the virtual process identifications field for creating the MAC Address of the virtual port according to the virtual network, the private network field that the MAC Address of the virtual port is created according to network segment belonging to the IP address of the distribution creates the extended identifier field of the MAC Address of the virtual network port according to rear three bytes of the IP address of the distribution.
According to the method described in claim 5, it is characterized in that, the NetworkManager according to After the extended identifier field for the MAC Address that rear three bytes of the IP address of the distribution create the virtual network port, the method also includes:

The NetworkManager disposes resource allocation request to the VM that VMManager sends the port numbers for carrying the virtual port, and it is the VM distribution deployment resource to be created that the VM deployment resource allocation request, which is used to indicate the VMManager,；

The VMManager receives the VM and disposes resource allocation request, for the VM distribution deployment resource to be created, and the VM creation instruction for carrying deployment resource description information is sent to calculate node according to the MAC Address of the virtual port, the VM creation instruction is used to indicate the calculate node and uses the corresponding deployment asset creation VM of the deployment resource description information.
Method according to claim 5 or 6, it is characterized in that, the MAC Address is the address field of 48 bits, the virtual process identifications field of the MAC Address is one or more bits of the 26th bit of MAC Address to the 39th bit and the 42nd bit into the 47th bit, the private network field of the MAC Address is the 25th bit and the 24th bit of MAC Address, the extended identifier field of the MAC Address is the 0th bit to the 23rd bit of MAC Address, 40th bit of the MAC Address is that the 0, the 41st bit is 1.
A kind of message process device of cloud computing system, it is characterized in that, described device is deployed in the first calculate node in cloud computing system, the first virtual machine VM is also deployed in first calculate node, described device includes receiving unit, transmission unit and processing unit

The receiving unit, the Address Resolution Protocol ARP request sent for receiving the first VM, the ARP request carries the MAC address of the first VM and the internet protocol address of the 2nd VM, and the 2nd VM and the first VM belong to same virtual network；

The processing unit, for extracting the MAC Address of the first VM from the received ARP request of the receiving unit, the MAC Address of the 2nd VM is created according to the IP address of the MAC Address of the first VM and the 2nd VM, wherein, the virtual process identifications field of MAC Address of the virtual process identifications field of the MAC Address of first VM as the 2nd VM, network segment belonging to the IP address of 2nd VM is used to create the private network field of the MAC Address of the 2nd VM, the extended identifier field of MAC Address of rear three bytes of the IP address of 2nd VM as the 2nd VM；

The transmission unit, for sending the arp response for carrying the MAC Address of the 2nd VM to the first VM.
Device according to claim 8, it is characterized in that, the cloud computing system further includes the second calculate node, disposed in second calculate node and stated the 2nd VM and the 2nd vSwitch, first calculate node and second calculate node by by group of switches at bearer network communicate to connect；

The receiving unit, is also used to receive the first data packet that the first VM is sent, and first data packet carries the MAC Address of the 2nd VM；

The processing unit is also used to determine that the 2nd VM is deployed in second calculate node according to the MAC Address of the 2nd VM, the network identity of the bearer network is added in first data packet；

The transmission unit is also used to send first data packet to the 2nd VM by the interchanger and the 2nd vSwitch；

The receiving unit, is also used to receive the second data packet that the 2nd VM is sent after receiving first data packet, and second data packet includes the network identity of the bearer network and the MAC Address of the first VM；

The processing unit is also used to remove the network identity for the bearer network that second data packet carries, and forwards second data packet to the first VM according to the MAC Address of the first VM in second data packet.
Device according to claim 8 or claim 9, it is characterized in that, the processing unit is specifically used for: judging that the first VM and the 2nd VM belong to same virtual network, the MAC Address for extracting the first VM, using the virtual process identifications field of the MAC Address of the first VM as the virtual process identifications field of the MAC Address of the 2nd VM；And the private network field of the MAC Address of the 2nd VM is created for the network segment according to belonging to the IP address of the 2nd VM, using rear three bytes of the IP address of the 2nd VM as the extended identifier field of the MAC Address of the 2nd VM.
According to the described in any item devices of claim 8-10, it is characterized in that, the MAC Address is the address field of 48 bits, the virtual process identifications field of the MAC Address is at least one bit of the 26th bit of MAC Address to the 39th bit and the 42nd bit into the 47th bit The private network field of the MAC Address is the 25th bit and the 24th bit of MAC Address, the extended identifier field of the MAC Address is the 0th bit to the 23rd bit of MAC Address, 40th bit of the MAC Address is that the 0, the 41st bit is 1.
A kind of message process device of cloud computing system, it is characterized in that, the message process device is the control node in the cloud computing system, the message process device includes network management module NetworkManager and Virtual Machine Manager module VMManager, the Virtual Machine Manager module, for sending VM request to create to the network management module；

The network management module, the VM request to create sent for receiving the Virtual Machine Manager module create the virtual port of VM, and distribute the virtual process identifications of virtual network belonging to VM to be created and the IP address of the VM to be created for the virtual port；

The network management module, it is also used to identify the virtual process identifications field for creating the MAC Address of the virtual port according to the virtual network, the private network field that the MAC Address of the virtual port is created according to network segment belonging to the IP address of the distribution creates the extended identifier field of the MAC Address of the virtual network port according to rear three bytes of the IP address of the distribution.
Device according to claim 12, which is characterized in that

The network management module, the VM for being also used to send the port numbers for carrying the virtual port to the Virtual Machine Manager module disposes resource allocation request, and it is the VM distribution deployment resource to be created that the VM deployment resource allocation request, which is used to indicate the Virtual Machine Manager module,；

The Virtual Machine Manager module, it is also used to receive the VM deployment resource allocation request, for the VM distribution deployment resource to be created, and the VM creation instruction for carrying deployment resource description information is sent to calculate node according to the MAC Address of the virtual port, the VM creation instruction is used to indicate the calculate node and uses the corresponding deployment asset creation VM of the deployment resource description information.
Device according to claim 12 or 13, it is characterized in that, the MAC Address is the address field of 48 bits, the virtual process identifications field of the MAC Address is one or more bits of the 26th bit of MAC Address to the 39th bit and the 42nd bit into the 47th bit, the private network field of the MAC Address is the 25th bit and the 24th bit of MAC Address, the extended identifier field of the MAC Address is the 0th bit to the 23rd bit of MAC Address, 40th bit of the MAC Address is that the 0, the 41st bit is 1.
A kind of first calculate node, it is characterized in that, the first virtual machine VM and the first virtual switch vSwitch are deployed in first calculate node, the calculate node includes processor, communication interface, memory and bus, and the processor, the communication interface and the memory complete mutual communication by the bus；

The memory is stored with executable program code；

The processor is used to call the executable program code in the memory, executes the method as described in claim 1 to any one of claim 4.
A kind of control node, it is characterized in that, the control node is deployed with network management module Network Manager and Virtual Machine Manager module VMManager, the control node includes processor, communication interface, memory and bus, and the processor, the communication interface and the memory complete mutual communication by the bus；

The memory is stored with executable program code；

The processor is used to call the executable program code in the memory, executes the method as described in claim 5 and any one of claim 7.
A kind of cloud computing system, which is characterized in that including the first calculate node as claimed in claim 15 and control node as claimed in claim 16.