CN107864061A - A kind of method of virtual machine port speed constraint and mirror image in private clound - Google Patents

A kind of method of virtual machine port speed constraint and mirror image in private clound Download PDF

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Publication number
CN107864061A
CN107864061A CN201711130385.3A CN201711130385A CN107864061A CN 107864061 A CN107864061 A CN 107864061A CN 201711130385 A CN201711130385 A CN 201711130385A CN 107864061 A CN107864061 A CN 107864061A
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port
mirror image
network
bandwidth
virtual machine
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王怡
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Communication Breath Technical Concern Co Ltd Is Easily Interrogated In Beijing
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Communication Breath Technical Concern Co Ltd Is Easily Interrogated In Beijing
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • H04L12/462—LAN interconnection over a bridge based backbone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5019—Ensuring fulfilment of SLA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5007—Internet protocol [IP] addresses

Abstract

A kind of method of virtual machine port speed constraint and mirror image in private clound, for the IAAS cloud computing platforms of private clound, leading safety and stability is had been provided with, played a significant role in cloud data center field, network technology based on openvswitch, realize the network flow bandwidth limitation of virtual machine, and the routing iinformation message for passing through virtual machine, the function of being provided using Port Mirroring (SPAN), the message of designated port is copied on interchanger another port for being connected with network monitor equipment, carry out network monitoring and failture evacuation, the method for realizing traffic mirroring.

Description

A kind of method of virtual machine port speed constraint and mirror image in private clound
Technical field
The present invention relates to virtual machine port speed constraint and mirror image, and in particular to one kind in private clound virtual machine port speed constraint and The method of mirror image.
Background technology
In current data communication network, either in LAN or wide area network, service quality（QoS）All it is very Important.In traditional IP network, all messages are all treated by indiscriminate, and each forwarding unit is to all messages Using FIFO（First enter to go out afterwards）, it is done one's best message being sent to destination, but the reliability of message transmission, transmission are prolonged The performance such as slow does not provide any guarantee.But in actual applications, there is the problem of very big, such as bandwidth, packet loss, network in network Delay and obstruction etc..With the development of network, the Network of these problem strong influences, such as（VOIP, IPTV etc.）. The real time business such as VOIP just propose higher requirement to the transmission delay of message, if message transmissions delay is oversize, user will It can not receive.
Flow control in legacy network is all based on some basic tools, original flow controller TC（Traffic Control）Flow for linux kernel controls, and mainly realizes flow by establishing a queue at output port Control, the mode of control is that also and the network number based on purpose IP address purpose subnet carries out browsing control, in addition based on route Configuration flow controller needs to establish queue, establishes classification, establishes filter and establish route, sets environment complex, base In Openstack cloud platforms QoS is present the problem of, many cloud computing manufacturers are all based on openstack exploitation IAAS clouds at present Calculating platform.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, it is an object of the invention to provide one kind in private clound virtual machine port The method of speed limit and mirror image, for the IAAS cloud computing platforms of private clound, leading safety and stability is had been provided with, Cloud data center field plays a significant role, the network technology based on openvswitch, realizes the network traffics of virtual machine Bandwidth limits, and the routing iinformation message by virtual machine, the function of being provided using Port Mirroring (SPAN), by designated port Message copy on interchanger another port for being connected with network monitor equipment, carry out network monitoring and failture evacuation, it is real The method of existing traffic mirroring.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of method of virtual machine port speed constraint and mirror image in private clound, it is characterised in that comprise the following steps：
1）When network is newly-built, increase stores to bandwidth average discharge speed and the parameter of bandwidth peak, and cloud main frame can select when creating Select and any bar network used, by the parameter acquiring numerical value of network, obtain port corresponding to cloud host network card, generated by port empty Intend port name corresponding on bridge br-int, the speed limit to bandwidth now can be just completed on this port；
2）After having obtained, network interface card bandwidth now is just separate with the bandwidth value of original network settings, uses Openvswitch technologies can reset bandwidth average discharge speed corresponding on port and bandwidth peak again, now still may be used Bandwidth is not limited or bandwidth is configured, and is come into force；
3）In order to guarantee to carry out traffic mirroring to port, we carry out the limitation of network interface card bandwidth, this skill first on the basis of this Art realize final purpose in the case where ensureing network quality, reach an efficient, safe, controllable height of network quality Degree.If not carrying out speed limit to port, traffic mirroring is directly carried out, the doubling of traffic in whole network, or even network can be caused Obstruction, is substantially reduced to the experience sense of Web vector graphic.So, it is impossible under only to pursue internet security, allow target to cause Network interim card, therefore need at us to carry out the mirror image of port under fixed network interface card bandwidth precondition.
4）Under the fixed-bandwidth of network interface card port, network service quality is ensured using Token-Bucket mechanism（QoS）, simultaneously Traffic mirroring is carried out to port up-downgoing flow bag by OpenFlow flow table content, so monitoring to whole flow, analysis, Optimization.Create completion in itself in the cloud main frame of this network interface card, each network interface card can have a port on virtual switch, for During cloud main frame configuration mirroring address, a virtual terminal is created again on the basis of port of each Microsoft Loopback Adapter of cloud main frame itself Mouthful, this virtual port attribute is vxlan, and remote I P is carried on this port, obtains port id by remote I P, uses Openvswitch does traffic mirroring to the flow for flowing through virtual machine by virtual port, will flow through the disengaging of virtual switch Mouth flow is all replicated to obtain traffic mirroring, then the traffic mirroring that may be copied to is forwarded to distance host by vxlan passages On；If monitoring, port and monitored port in same physical node, also receive traffic mirroring using such a mode, distance host, The traffic mirroring is parsed and stored.
The described flow for flowing through virtual switch includes the up-downgoing flow from designated virtual machine, or designated port group Up-downgoing flow.
The scope of described mirror image work, port range are divided into two types, local mirror image and Remote Switched Port Analyzer.This invention Local mirror image is only realized, i.e. for source port and destination interface on same router, far-end mirror image is source port and destination Mouth is distributed on different routers, and mirror image flow encapsulates by certain, realizes across router transmission, such a mirror image scope is also not Invented.
The point-to-multipoint Port Mirroring of described local mirror image, can be respectively in source port and multiple mirror image address ports Between establish multiple independent tunnels respectively, the tunnel is vxlan tunnels, message forward during, respectively will be to every All individually replicate a mirror image source file message information in tunnel；Established between multiple source ports and mirror port one it is independent Tunnel, the tunnel are vxlan tunnels, when adding mirror image address to source address, can first judge before this IP address either with or without with Tunnel was established before other port, if directly establishing a tunnel without if, the virtual port of source port does not regenerate if having Effect, the data on flows for flowing through source port were directly forwarded to mirror port by establishing the source virtual port in tunnel before, reported During text forwarding, the passage to same mirror image address is unique, now, is received on mirror image address all from source port Data traffic.This point-to-multipoint and multipoint-to-point local mirror image technology has been carried out.
The title of mirror image can be made a decision before the title of described establishment traffic mirroring, if the mirror image title created is therewith Preceding mirror image title repeats, then adds the failure of mirror image address, if being not present, retain this traffic mirroring, create successfully.
Beneficial effect
1）In the case where not adding any physical equipment, pass through virtual machine port speed constraint and mirror image, it is ensured that network service quality （QoS）, and improve internet security；
2）Virtual machine port speed constraint and mirror image carry out strategy implement at virtual switch, custom system without bother, unaware；
3）Technical support is provided to the encryption of privately owned cloud system subsequent network, network audit, increases whole privately owned cloud security and is good for Strong property.
4）Using image feature, management can be monitored to the network data in enterprise, can be fast when network is out of order Speed positioning failure.
Brief description of the drawings
Fig. 1 is the flow chart of the flow restriction of the invention based on openvswitch
Fig. 2 is the port flow image network topology schematic diagram of the invention based on openvswitch
Fig. 3 is the flow chart of the traffic mirroring of the invention based on openvswitch.
Embodiment
The present invention is further discussed below below in conjunction with accompanying drawing.
As shown in figure 1, storage of the increase to average discharge and peak value when network is newly-built, average discharge and peak value are stored to In database, this network is used when cloud main frame creates, bandwidth limitation parameter when reading network is newly-built, calls packaged pin This, now waits cloud main frame to generate a port, and this port corresponding network interface card on br-int bridges after the completion of creating Title, bandwidth limitation parameter is obtained, if to be also configured average discharge and peak value, Openvswitch methods can be re-called It is configured, the method for calling Openvswitch to be configured is as follows：
1）QOS is created, creates maximum speed limit
ovs-vsctl --timeout=10 -- set Port eth1 qos=@newqos -- --id=@newqos create QoS type=linux-htb other-config:max-rate=900000000
2）Queue is created, and in the QOS before being added to, QOS and queue are bound
ovs-vsctl --timeout=10 create Queue other-config:min-rate=400000000 other-config:max-rate=800000000
ovs-vsctl --timeout=10 add qos 242af9b6-a4d4-4e35-986e-05e6f0e76a80 queues 0=8422ffb9-dfe3-457d-9e37-ddab0e22d26e
3）Method performs the queue queues of acquiescence during setting.
The bandwidth parameter of network interface is set：
ovs-vsctl set interface vif0.0 ingress_policing_rate=1000
ovs-vsctl set interface vif0.0 ingress_policing_burst=100
(ingress_policing_rate:* maximum transmission rate * *（Unit is kbps）
ingress_policing_burst:Maximum float value more than ingress_policing_rate)
As shown in Fig. 2 a newly-built standard switchboard on main frame node1, virtual machine passes through Microsoft Loopback Adapter vm1-port in figure It is connected on br-int virtual switch, ovs bridge is also not carried out iptables function, but openstack at present Secured group service must be provided again, so bridged between VM1 and virtual switch by linux-brige, while During configuration mirroring address, vxlan0 port can be created simultaneously on br-int, vxlan passages are established, now create stream Mirror image is measured, mirror image address all will be transmitted to by vxlan passages and br-tun by vm1 up-downgoing flow, mirror image address is received To source be all to be sent by node1 nodes, to mirror image to cloud main frame VM1 on distance host, then also to be led to by vxlan Road and br-tun passages are communicated, and such calculate node and calculate node point-to-point can thus form one with vxlan Based on communication network, substantial amounts of data exchange is carried out by this network from each other, entered respectively on standard switchboard The implementation process of row mirror image.
1）The vm2 to come in and go out on port flow to host node1 of vm1 on mirror image virtual machine node1, is realized same Host upper port traffic mirroring：
node1> ovs-vsctl add-port br-int vxlan0 -- set interface vxlan0 type= vxlan options:remote_ip=10.10.132.125
node1> ovs-vsctl -- --id=@d get port vm1-port -- --id=@p get port vxlan0 -- --id=@m create mirror name=mymirror select_src_port=@d select_dst_port=@d output_port=@p -- add bridge br-int mirror @m
2）The vm1 to come in and go out on port flow to host node2 of vm1 on mirror image virtual machine node1, is realized in different hosts Machine upper port traffic mirroring：
node1> ovs-vsctl add-port br-int vxlan0 -- set interface vxlan0 type= vxlan options:remote_ip=172.16.110.141
node1> ovs-vsctl -- --id=@d get port vm1-port -- --id=@p get port vxlan0 -- --id=@m create mirror name=mymirror1 select_src_port=@d select_dst_port=@d output_port=@p -- add bridge br-int mirror @m
3）Vm3 and vm4 on mirror image virtual machine node1 vm2 gateway flow to host node2, are realized in not chummage One-to-many port flow mirror image on main frame：
node1> ovs-vsctl add-port br-int vxlan1 -- set interface vxlan1 type= vxlan options:remote_ip=172.16.110.141
node1> ovs-vsctl add-port br-int vxlan2 -- set interface vxlan2 type= vxlan options:remote_ip=172.16.110.142
node1> ovs-vsctl -- --id=@d get port vm2-port -- --id=@p get port vxlan1 -- --id=@m create mirror name=mymirror1 select_src_port=@d select_dst_port=@d output_port=@p -- add bridge br-int mirror @m
node1> ovs-vsctl -- --id=@d get port vm2-port -- --id=@p get port vxlan2 -- --id=@m create mirror name=mymirror2 select_src_port=@d select_dst_port=@d output_port=@p -- add bridge br-int mirror @m
4）Vm3 on mirror image virtual machine node1 vm1 gateway flow and vm2 gateway flow to host node2, Realize the many-to-one port flow mirror image on different hosts machine：
node1> ovs-vsctl add-port br-int vxlan3 -- set interface vxlan3 type= vxlan options:remote_ip=172.16.110.141
node1> ovs-vsctl -- --id=@d get port vm1-port -- --id=@p get port vxlan3 -- --id=@m create mirror name=mymirror3 select_src_port=@d select_dst_port=@d output_port=@p -- add bridge br-int mirror @m
node1> ovs-vsctl -- --id=@d get port vm2-port -- --id=@p get port vxlan4 -- --id=@m create mirror name=mymirror4 select_src_port=@d select_dst_port=@d output_port=@p -- add bridge br-int mirror @m；
As shown in figure 3, building after the completion of cloud main frame, a Microsoft Loopback Adapter is generated on virtual bridge br-int, on virtual bridge Port is added, while vxlan passages are configured on host, is created that another virtual port, creates traffic mirroring, and match somebody with somebody The flow for putting the gateway by source address all flows out from tunnel, and the source for flowing to destination address is all the host where source address Send, flow through afterwards source address go out inbound traffics can mirror image portion to mirror image address, have the function that traffic monitoring, effectively Monitoring traffic in network.

Claims (5)

  1. A kind of 1. method of virtual machine port speed constraint and mirror image in private clound, it is characterised in that comprise the following steps：
    1）When network is newly-built, increase stores to bandwidth average discharge speed and the parameter of bandwidth peak, and cloud main frame can select when creating Select and any bar network used, by the parameter acquiring numerical value of network, obtain port corresponding to cloud host network card, generated by port empty Intend port name corresponding on bridge br-int, the speed limit to bandwidth now can be just completed on this port；
    2）After having obtained, network interface card bandwidth now is just separate with the bandwidth value of original network settings, uses Openvswitch technologies can reset bandwidth average discharge speed corresponding on port and bandwidth peak again, now still may be used Bandwidth is not limited or bandwidth is configured, and is come into force；
    3）According to second bandwidth method to set up, we determine whether to limit using bandwidth according to client's practical service environment, If network condition is preferable in client's true environment, network bandwidth can not limited before mirror image；
    But in order to guarantee to carry out complete traffic mirroring to port, in the undesirable premise of client's true environment network condition Under, therefore, to assure that network quality, reach an efficient, safe, controllable height, if not carrying out speed limit to port, directly enter Row traffic mirroring, the doubling of traffic in whole network, or even network congestion can be caused, the experience sense of Web vector graphic is dropped significantly It is low, so, it is impossible under only to pursue internet security, allow target to cause network interim card, therefore we are needed fixed The mirror image of port is carried out under network interface card bandwidth precondition；
    4）Under the fixed-bandwidth of network interface card port, network service quality is ensured using Token-Bucket mechanism（QoS）, pass through simultaneously OpenFlow flow table content carries out traffic mirroring to port up-downgoing flow bag, and then monitoring to whole flow, analysis, excellent Change, completion is created in itself in the cloud main frame of this network interface card, each network interface card can have a port on virtual switch, for cloud During main frame configuration mirroring address, a virtual port is created again on the basis of port of each Microsoft Loopback Adapter of cloud main frame itself, This virtual port attribute is vxlan, and remote I P is carried on this port, obtains port id by remote I P, uses Openvswitch does traffic mirroring to the flow for flowing through virtual machine by virtual port, will flow through the disengaging of virtual switch Mouth flow is all replicated to obtain traffic mirroring, then the traffic mirroring that may be copied to is forwarded to distance host by vxlan passages On；If monitoring, port and monitored port in same physical node, also receive traffic mirroring using such a mode, distance host, The traffic mirroring is parsed and stored.
  2. A kind of 2. method of virtual machine port speed constraint and mirror image in private clound according to claim 1, it is characterised in that The described flow for flowing through virtual switch includes the up-downgoing flow from designated virtual machine, or the up-downgoing of designated port group Flow.
  3. A kind of 3. method of virtual machine port speed constraint and mirror image in private clound according to claim 1, it is characterised in that The scope of described mirror image work, port range are divided into two types, local mirror image and Remote Switched Port Analyzer；
    This invention only realizes local mirror image, i.e. for source port and destination interface on same router, far-end mirror image is source Port and destination interface are distributed on different routers, and mirror image flow encapsulates by certain, realizes across router transmission, such a Mirror image scope is not invented also.
  4. A kind of 4. method of virtual machine port speed constraint and mirror image in private clound according to claim 1, it is characterised in that The point-to-multipoint Port Mirroring of described local mirror image, it can distinguish respectively between source port and multiple mirror image address ports Multiple independent tunnels are established, the tunnel is vxlan tunnels, all single to every tunnel respectively during message forwards Solely replicate a mirror image source file message information；An independent tunnel is established between multiple source ports and mirror port, should Tunnel is vxlan tunnels, when adding mirror image address to source address, can first judge before this IP address either with or without with other port Tunnel was established before, and if directly establishing a tunnel without if, the virtual port of source port not revival, flows through source if having The data on flows of port was directly forwarded to mirror port by establishing the source virtual port in tunnel before, in the mistake of message forwarding Cheng Zhong, the passage to same mirror image address is unique, now, all data traffics from source port is received on mirror image address；
    This point-to-multipoint and multipoint-to-point local mirror image technology has been carried out.
  5. A kind of 5. method of virtual machine port speed constraint and mirror image in private clound according to claim 1, it is characterised in that The title of mirror image can be made a decision before the title of described establishment traffic mirroring, if the mirror image title created and mirror image before Title repeats, then adds the failure of mirror image address, if being not present, retain this traffic mirroring, create successfully.
CN201711130385.3A 2017-11-15 2017-11-15 A kind of method of virtual machine port speed constraint and mirror image in private clound Withdrawn CN107864061A (en)

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CN108494657A (en) * 2018-04-08 2018-09-04 苏州云杉世纪网络科技有限公司 OpenStack cloud platform virtual probe mirror methods based on Open vSwitch
CN108494657B (en) * 2018-04-08 2020-08-28 苏州云杉世纪网络科技有限公司 OpenStack cloud platform virtual probe mirroring method based on Open vSwitch
CN110445724A (en) * 2018-05-04 2019-11-12 华耀(中国)科技有限公司 The SPAN and its SiteServer LBS and method of customizable application data stream
CN108900384A (en) * 2018-07-20 2018-11-27 新华三云计算技术有限公司 Network flow monitoring method, apparatus and system, computer readable storage medium
CN109039956B (en) * 2018-08-09 2021-05-07 新华三云计算技术有限公司 Port mirroring method, device, host and storage medium
CN109039956A (en) * 2018-08-09 2018-12-18 新华三云计算技术有限公司 Port Mirroring method, apparatus, host and storage medium
CN109120454A (en) * 2018-09-04 2019-01-01 山东浪潮云投信息科技有限公司 A kind of QoS flow speed limiting system and method
CN109274557A (en) * 2018-11-14 2019-01-25 江苏鸿信系统集成有限公司 Intelligent CMDB management and cloud host monitor method under a kind of cloud environment
CN109981409A (en) * 2019-03-26 2019-07-05 新华三技术有限公司 Message forwarding method, device and forwarding device
CN115699699A (en) * 2019-05-10 2023-02-03 华为云计算技术有限公司 Virtual private cloud and under-cloud data center communication and configuration method and related device
CN115699699B (en) * 2019-05-10 2023-05-12 华为云计算技术有限公司 Virtual private cloud and cloud data center communication and configuration method and related device
CN110958152A (en) * 2019-10-13 2020-04-03 苏州浪潮智能科技有限公司 Method, system and equipment for monitoring virtual machine service network
CN111913782A (en) * 2020-07-29 2020-11-10 上海云轴信息科技有限公司 Method and equipment for realizing virtual machine flow mirror image based on tunnel technology
CN112187660A (en) * 2020-08-31 2021-01-05 浪潮云信息技术股份公司 Tenant flow limiting method and system for cloud platform container network
CN112671578A (en) * 2020-12-23 2021-04-16 北京浪潮数据技术有限公司 SRIOV virtual network configuration method and related device
CN113542092A (en) * 2021-05-27 2021-10-22 贵州电网有限责任公司 Openstack-based automatic drainage method

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