CN104954461A - Dependable computing pool application method, dependable computing pool application system, host machine and cloud management platform - Google Patents

Dependable computing pool application method, dependable computing pool application system, host machine and cloud management platform Download PDF

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Publication number
CN104954461A
CN104954461A CN201510315100.8A CN201510315100A CN104954461A CN 104954461 A CN104954461 A CN 104954461A CN 201510315100 A CN201510315100 A CN 201510315100A CN 104954461 A CN104954461 A CN 104954461A
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China
Prior art keywords
host
certificate
information
virtual machine
geographical position
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CN201510315100.8A
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Chinese (zh)
Inventor
杨博中
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Inspur Electronic Information Industry Co Ltd
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Inspur Electronic Information Industry Co Ltd
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Priority to CN201510315100.8A priority Critical patent/CN104954461A/en
Publication of CN104954461A publication Critical patent/CN104954461A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/52Network services specially adapted for the location of the user terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0823Network architectures or network communication protocols for network security for authentication of entities using certificates
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1001Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention provides a dependable computing pool application method, a dependable computing pool application system, a host machine and a cloud management platform. The dependable computing pool application method based on the cloud management platform includes acquiring geographical location information corresponding to each host machine in a dependable computing pool; recording the host machines with legal address location certificates; receiving a virtual machine usage application with geographical location limitation information; selecting the host machine according to the geographical location limitation information, the current host machines with the legal address location certificates and the geographical location information corresponding to the current host machines with the legal address location certificates, and sending the virtual machine usage application to the selected host machine; receiving virtual machine information sent from the selected host machine, and sending the virtual machine information to a user. The specific host machine providing service to the user can be controlled effectively.

Description

The application process in trust computing pond and system, host and cloud management platform
Technical field
The present invention relates to network communication technology field, particularly a kind of trust computing pond application process and system, host and cloud management platform.
Background technology
Along with the development of the technology such as cloud computing, large data, data magnanimity increases.
At present, utilize the cloud administrative center in cloud computing to coordinate with main frame for user provides the process of service to comprise: to carry out certification to the legitimacy of multiple main frame in advance, utilize legal main frame to form trust computing pond; When user needs to carry out Business Processing, user Xiang Yun administrative center sends request, and after cloud administrative center receives request message, selects a believable main frame, then the information of the trusted host of selection is sent to user from trust computing pond.
Visible, in the application process in current trust computing pond, when giving the main frame of user's distribution services, main frames all in trust computing pond can as by the main frame selected, and therefore, cannot more effectively control as user provides the concrete main frame of service.
Summary of the invention
The invention provides a kind of trust computing pond application process, host, cloud management platform and trust computing pond application system, can more effectively control as user provides the concrete host of service.
The application process in trust computing pond, comprising:
Obtain the geographical location information that in trust computing pond, each host is corresponding;
The host that recording geographical position certificate is legal;
Receive the virtual machine request for utilization of carrying geographical position restricted information;
The host legal according to geographical position limitation information, current geographic position certificate and geographical location information corresponding to the legal host of current geographic position certificate, select host, virtual machine request for utilization sent to the host of selection;
The information of the virtual machine that the host receiving described selection is sent, and issue user.
The described host legal according to geographical position limitation information, current geographic position certificate and geographical location information corresponding to the legal host of current geographic position certificate, host is selected to comprise further: according to the trusted status of the legal host of current geographic position, to select described host.
The application process in trust computing pond, comprising:
Obtain the geographical location information of host, and obtain the CA certificate of described host according to the geographical location information obtained; Described CA certificate carries described geographical location information;
According to the CA certificate of described host, produce geographical position label; Wherein, described geographical position label comprises the information of host and the information of described CA certificate
According to described geographical position label, produce and preserve geographical position certificate;
After receiving virtual machine request for utilization, use strategy according to the virtual machine preset, distribute virtual machine, the information of the virtual machine of distribution is sent to cloud administrative center.
The packets of information of described virtual machine contains: host index information and virtual machine index information;
And/or the CA certificate that the described geographical location information according to obtaining obtains described host comprises: the geographical location information of acquisition is sent to CA center, receives the CA certificate of the described host that CA center is sent.
A kind of cloud management platform, comprising:
Reliable information maintenance unit, for obtaining the geographical location information that in trust computing pond, each host is corresponding;
Geographical position certificate processing unit, for recording the host that in trust computing pond, address location certificate is legal;
Virtual machine uses processing unit, for receiving the virtual machine request for utilization of carrying geographical position restricted information; The host legal according to geographical position limitation information, current geographic position certificate and geographical location information corresponding to the legal host of current geographic position certificate, select host, virtual machine request for utilization sent to the host of selection; The information of the virtual machine that the host receiving described selection is sent, and issue user.
Comprise further: reliable information authentication ' unit; Wherein,
Described reliable information maintenance unit, safeguards the trusted status of each host further;
Described reliable information authentication ' unit, carries out certification to the trusted status of each host further;
Described virtual machine uses processing unit, further according to the trusted status of the legal host of current geographic position, selects described host.
A kind of host, comprising:
Geographical location information acquiring unit, for obtaining the geographical location information of place host;
CA certificate acquiring unit, for the geographical location information obtained according to described geographical location information acquiring unit, obtain the CA certificate of described host, described CA certificate carries described geographical location information;
Geographical position label acquiring unit, for the CA certificate according to described host, produce geographical position label, wherein, described geographical position label comprises the information of host and the information of described CA certificate;
Geographical position certificate acquisition unit, for according to described geographical position label, produces and preserves address location certificate;
Virtual machine processing unit, after receiving virtual machine request for utilization, uses strategy according to the virtual machine preset, distribute virtual machine, the information of the virtual machine of distribution is sent to cloud administrative center, and wherein, the packets of information of described virtual machine contains: host index information and virtual machine index information.
Comprise:
Described CA certificate acquiring unit, sends to CA center for the geographical location information obtained by described geographical location information acquiring unit, receives the CA certificate of the host that described CA center is sent;
And/or,
Comprise further: transmitting element, the geographical position certificate for being produced by described geographical position certificate acquisition unit sends to outside geographical position certification authority device.
The application system in trust computing pond, comprising:
Trust computing pond, described trust computing pond comprises at least one any one host above-mentioned; And
Any one cloud management platform above-mentioned.
Comprise further: CA center and geographical position certification authority device, wherein,
CA center, for receiving the geographical location information that described host is sent, producing CA certificate according to this geographical location information, and this CA certificate is sent to described host;
Geographical position certification authority device, for receiving and preserving the geographical position certificate of described host, according to the geographical position certificate preserved, periodically certification is carried out to the geographical position certificate preserved in described host, the information of host qualified for geographical position certificate is sent to described cloud administrative center.
The trust computing pond application process that the embodiment of the present invention provides and system, host and cloud management platform, when user applies for using virtual machine, not from trust computing pond, directly select arbitrarily a host to distribute virtual machine, but consider the geographical location information of host in trust computing pond, whether geographical position certificate is legal, that is, when the geographical position certificate of host in trust computing pond is legal and geographical location information meets the geographical position restriction applied for when using virtual machine, just can be selected as the host distributing virtual machine, therefore, the requirement to host geographical position can be met, can more effectively control as user provides the concrete host of service.
Accompanying drawing explanation
Fig. 1 is the flow chart of the application process realizing trust computing pond in one embodiment of the invention in cloud management platform.
Fig. 2 is the flow chart of the application process realizing trust computing pond in one embodiment of the invention in host.
Fig. 3 is that in one embodiment of the invention, each equipment coordinates the flow chart realizing the application process in trust computing pond.
Fig. 4 is a kind of structural representation of one embodiment of the invention medium cloud management platform.
Fig. 5 is a kind of structural representation of another embodiment of the present invention medium cloud management platform.
Fig. 6 is the structural representation of host in one embodiment of the invention.
Fig. 7 is the composition schematic diagram of the application system in trust computing pond in one embodiment of the invention.
Fig. 8 is the composition schematic diagram of the application system in trust computing pond in another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
One embodiment of the invention proposes a kind of application process of trust computing pond, and the method is applied in cloud management platform, see Fig. 1, comprising:
Step 101: cloud management platform obtains the geographical location information that in trust computing pond, each host is corresponding;
Step 102: the host that cloud management platform recording geographical position certificate is legal;
Step 103: cloud management platform receives the virtual machine request for utilization of carrying geographical position restricted information;
Step 104: cloud management platform is according to the legal host of geographical position limitation information, current geographic position certificate and geographical location information corresponding to the legal host of current geographic position certificate, select host, virtual machine request for utilization is sent to the host of selection;
Step 105: the information of the virtual machine that the host that cloud management platform receives described selection is sent, and issue user.
Visible, when user applies for using virtual machine, not from trust computing pond, directly select arbitrarily a host to distribute virtual machine, but consider the geographical location information of host in trust computing pond, whether geographical position certificate is legal, that is, when the geographical position certificate of host in trust computing pond is legal and geographical location information meets the geographical position restriction applied for when using virtual machine, just can be selected as the host distributing virtual machine, therefore, the requirement to host geographical position can be met, can more effectively control as user provides the concrete host of service.
In an embodiment of the invention, step 104 further according to the trusted status of the legal host of current geographic position, can select described host.That is, that selects in trust computing pond meets for the host distributing virtual machine: trusted status is credible, and geographical position certificate is legal, and corresponding geographical location information meets the geographical position restriction of virtual machine.The host selected so not only meets the believable requirement of host, but also meets the requirement that host geographical position limits and geographical position is legal.
One embodiment of the invention also proposed a kind of application process of trust computing pond, is applied in host, see Fig. 2, comprising:
Step 201: host obtains its geographical location information, and obtain CA certificate according to the geographical location information obtained; Wherein CA certificate comprises the geographical location information of host.
Step 202: host, according to the CA certificate of described host, produces geographical position label; Wherein, described geographical position label comprises the information of host and the information of described CA certificate.
Step 203: host, according to described geographical position label, produces and preserves geographical position certificate.
Step 204: the geographical position certificate of generation is sent to outside geographical position certification authority device by host.
Step 205: after host receives virtual machine request for utilization, uses strategy according to the virtual machine preset, and distributes virtual machine.
Step 206: the information of the virtual machine of distribution is sent to cloud administrative center by host, wherein, the information of virtual machine comprises: host index information and virtual machine index information.
In an embodiment of the invention, the CA certificate that the geographical location information that in step 201, foundation obtains obtains described host can comprise: the geographical location information of acquisition is sent to CA center, receives the CA certificate of the described host that CA center is sent.
Then illustrate that each equipment carries out the process of the application process having coordinated trust computing pond in conjunction with a specific embodiment below, see Fig. 3, comprising:
Step 301: for each host in trust computing pond, is obtained the geographical location information of self by this host.
Here, host inside can built-in GPS module, is obtained the geographical location information of host by GPS module.
Such as, the geographical location information obtained can be the latitude and longitude coordinates of host.
Step 302: the geographical location information of self is sent to CA center and cloud management platform by host.
Step 303:CA center utilizes the geographical location information of the host received, and generates the CA certificate corresponding to host, includes the geographical location information of host in this CA certificate.
CA certificate is sent to corresponding host by step 304:CA center.
Step 305: host, according to the CA certificate received, produces geographical position (Geo-Tag) label; Wherein, described geographical position label comprises the information of host and the information of described CA certificate.
Step 306: host, according to described geographical position label, produces and preserves geographical position (Geo-Tag) certificate.
Step 307: geographical position certificate is sent to outside geographical position certification authority device by host.
Step 308: geographical position certification authority device periodically or intermittently carries out certification to the geographical position certificate preserved in each host in trust computing pond, and the information of host qualified for geographical position certificate verification is sent to cloud administrative center.
Here, outside disabled user likely in trust computing pond host preserve geographical position certificate and geographical location information distort, to destroy the restriction to host geographical position.In order to identify and avoid this situation, geographical position certification authority device periodically or intermittently carries out certification to the geographical position certificate preserved in each host in trust computing pond, if approved qualified, then illustrate that the geographical location information preserved in host was not tampered, the follow-up host that can be used as distribution virtual machine.
Step 309: cloud management platform, according to the geographical location information of the host received, safeguards the information of each host in trust computing pond.
Here, cloud management platform can safeguard a following table for each host, thus records the real-time state information of corresponding host.
Host name Host ip Trusted status Geographical location information
Step 310: cloud management platform and geographical position certification authority device alternately, obtain the host that also recording geographical position certificate is legal.
Step 311: cloud management platform receives the virtual machine request for utilization of carrying geographical position restricted information that user sends.
Here, in order to limit the geographical position of the host providing service, such as require to provide the host of service, thus data outflow can only be prevented in Shandong Province within the border, so, user can carry geographical position restricted information in the virtual machine request for utilization of sending.
Step 312: cloud management platform, according to the legal host of the geographical position restricted information in virtual machine request for utilization, current geographic position certificate and geographical location information corresponding to the legal host of current geographic position certificate, selects host.
Step 313: virtual machine request for utilization is sent to the host of selection by cloud management platform.
Step 314: after being received virtual machine request for utilization by the host selected, uses strategy according to the virtual machine preset, and distributes virtual machine, the information of the virtual machine of distribution is sent to cloud administrative center.
Here, the information of virtual machine comprises: host index information and virtual machine index information.
Step 315: the information of the virtual machine received is issued user by cloud management platform.
One embodiment of the invention also proposed a kind of cloud management platform, see Fig. 4, comprising:
Reliable information maintenance unit 401, for obtaining the geographical location information that in trust computing pond, each host is corresponding;
Geographical position certificate processing unit 402, for recording the host that in trust computing pond, address location certificate is legal;
Virtual machine uses processing unit 403, for receiving the virtual machine request for utilization of carrying geographical position restricted information; The host legal according to geographical position limitation information, current geographic position certificate and geographical location information corresponding to the legal host of current geographic position certificate, select host, virtual machine request for utilization sent to the host of selection; The information of the virtual machine that the host receiving described selection is sent, and issue user.
See Fig. 5, in an embodiment of the invention, cloud management platform may further include: reliable information authentication ' unit 501; Wherein,
Described reliable information maintenance unit 401, safeguards the trusted status of each host further;
Described reliable information authentication ' unit 501, carries out certification to the trusted status of each host further;
Described virtual machine uses processing unit 403, further according to the trusted status of the legal host of current geographic position, selects described host.
One embodiment of the invention also proposed a kind of host, see Fig. 6, comprising:
Geographical location information acquiring unit 601, for obtaining the geographical location information of place host;
CA certificate acquiring unit 602, for the geographical location information obtained according to described geographical location information acquiring unit, obtain the CA certificate of described host, described CA certificate carries described geographical location information;
Geographical position label acquiring unit 603, for the CA certificate according to described host, produce geographical position label, wherein, described geographical position label comprises the information of host and the information of described CA certificate;
Geographical position certificate acquisition unit 604, for according to described geographical position label, produces and preserves address location certificate;
Virtual machine processing unit 605, after receiving virtual machine request for utilization, uses strategy according to the virtual machine preset, distribute virtual machine, the information of the virtual machine of distribution is sent to cloud administrative center, and wherein, the packets of information of described virtual machine contains: host index information and virtual machine index information.
In an embodiment of the invention, described CA certificate acquiring unit, sends to CA center for the geographical location information obtained by described geographical location information acquiring unit, receives the CA certificate of the host that described CA center is sent;
And/or,
Comprise further: transmitting element, the geographical position certificate for being produced by described geographical position certificate acquisition unit sends to outside geographical position certification authority device.
One embodiment of the invention also proposed a kind of application system of trust computing pond, see Fig. 7, comprising:
Trust computing pond, described trust computing pond comprises at least one any one host 701 above-mentioned; And
Any one cloud management platform 702 above-mentioned.
See Fig. 8, in an embodiment of the invention, the application system in trust computing pond comprises further: CA center 801 and geographical position certification authority device 802, wherein,
CA center 801, for receiving the geographical location information that described host is sent, producing CA certificate according to this geographical location information, and this CA certificate is sent to described host 701;
Geographical position certification authority device 802, for receiving and preserving the geographical position certificate of described host 701, according to the geographical position certificate preserved, periodically certification is carried out to the geographical position certificate preserved in described host 701, the information of host 701 qualified for geographical position certificate is sent to described cloud administrative center 702.
The embodiment of the present invention at least has following beneficial effect:
1, when user applies for using virtual machine, not from trust computing pond, directly select arbitrarily a host to distribute virtual machine, but consider the geographical location information of host in trust computing pond, whether geographical position certificate is legal, that is, when the geographical position certificate of host in trust computing pond is legal and geographical location information meets the geographical position restriction applied for when using virtual machine, just can be selected as the host distributing virtual machine, therefore, the requirement to host geographical position can be met, as the nationality that host can only specified, province or area, can guarantee that data and operating load only operate in the legal host in geographical position, can more effectively control as user provides the concrete host of service, thus such as can meet the requirement of government affairs cloud.
2, the legitimacy of the geographical position certificate of the host in trust computing pond can periodically be detected, if there is illegal user from malicious to distort the geographical position certificate of host, then can not pass through when legitimate verification, then can not be selected as the host distributing virtual machine, this improves the fail safe of service application.
3, introduce CA center and coordinate the CA certificate obtaining host with host, this CA certificate includes the geographical location information of host, finally obtains geographical position certificate subsequently through this CA certificate, thus further ensures the fail safe of host CA certificate.
4, in cloud administrative center, virtual machine can be introduced and use strategy, and send to host, thus realize the management that virtual machine uses strategy.
It should be noted that, in this article, the relational terms of such as first and second and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical factor.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.

Claims (10)

1. the application process in trust computing pond, is characterized in that, comprising:
Obtain the geographical location information that in trust computing pond, each host is corresponding;
The host that recording address location certificate is legal;
Receive the virtual machine request for utilization of carrying geographical position restricted information;
The host legal according to geographical position limitation information, current geographic position certificate and geographical location information corresponding to the legal host of current geographic position certificate, select host, virtual machine request for utilization sent to the host of selection;
The information of the virtual machine that the host receiving described selection is sent, and issue user.
2. method according to claim 1, it is characterized in that, the described host legal according to geographical position limitation information, current geographic position certificate and geographical location information corresponding to the legal host of current geographic position certificate, host is selected to comprise further: according to the trusted status of the legal host of current geographic position, to select described host.
3. the application process in trust computing pond, is characterized in that, comprising:
Obtain the geographical location information of host, and obtain the CA certificate of described host according to the geographical location information obtained;
According to the CA certificate of described host, produce geographical position label; Wherein, described geographical position label comprises the information of host and the information of described CA certificate
According to described geographical position label, produce and preserve geographical position certificate;
After receiving virtual machine request for utilization, use strategy according to the virtual machine preset, distribute virtual machine, the information of the virtual machine of distribution is sent to cloud administrative center.
4. method according to claim 3, is characterized in that, the packets of information of described virtual machine contains: host index information and virtual machine index information;
And/or the CA certificate that the described geographical location information according to obtaining obtains described host comprises: the geographical location information of acquisition is sent to CA center, receives the CA certificate of the described host that CA center is sent.
5. a cloud management platform, is characterized in that, comprising:
Reliable information maintenance unit, for obtaining the geographical location information that in trust computing pond, each host is corresponding;
Geographical position certificate processing unit, for recording the host that in trust computing pond, address location certificate is legal;
Virtual machine uses processing unit, for receiving the virtual machine request for utilization of carrying geographical position restricted information; The host legal according to geographical position limitation information, current geographic position certificate and geographical location information corresponding to the legal host of current geographic position certificate, select host, virtual machine request for utilization sent to the host of selection; The information of the virtual machine that the host receiving described selection is sent, and issue user.
6. cloud management platform according to claim 5, is characterized in that, comprise further: reliable information authentication ' unit; Wherein,
Described reliable information maintenance unit, safeguards the trusted status of each host further;
Described reliable information authentication ' unit, carries out certification to the trusted status of each host further;
Described virtual machine uses processing unit, further according to the trusted status of the legal host of current geographic position, selects described host.
7. a host, is characterized in that, comprising:
Geographical location information acquiring unit, for obtaining the geographical location information of place host;
CA certificate acquiring unit, for the geographical location information obtained according to described geographical location information acquiring unit, obtain the CA certificate of described host, described CA certificate carries described geographical location information;
Geographical position label acquiring unit, for the CA certificate according to described host, produce geographical position label, wherein, described geographical position label comprises the information of host and the information of described CA certificate;
Geographical position certificate acquisition unit, for according to described geographical position label, produces and preserves address location certificate;
Virtual machine processing unit, after receiving virtual machine request for utilization, uses strategy according to the virtual machine preset, distribute virtual machine, the information of the virtual machine of distribution is sent to cloud administrative center, and wherein, the packets of information of described virtual machine contains: host index information and virtual machine index information.
8. host according to claim 7, is characterized in that, comprising:
Described CA certificate acquiring unit, sends to CA center for the geographical location information obtained by described geographical location information acquiring unit, receives the CA certificate of the host that described CA center is sent;
And/or,
Comprise further: transmitting element, the geographical position certificate for being produced by described geographical position certificate acquisition unit sends to outside geographical position certification authority device.
9. the application system in trust computing pond, is characterized in that, comprising:
Trust computing pond, described trust computing pond comprises at least one host described in claim 7 or 8; And
Cloud management platform described in claim 5 or 6.
10. system according to claim 9, is characterized in that, comprises further: CA center and geographical position certification authority device, wherein,
CA center, for receiving the geographical location information that described host is sent, producing CA certificate according to this geographical location information, and this CA certificate is sent to described host;
Geographical position certification authority device, for receiving and preserving the geographical position certificate of described host, according to the geographical position certificate preserved, periodically certification is carried out to the geographical position certificate preserved in described host, the information of host qualified for geographical position certificate is sent to described cloud administrative center.
CN201510315100.8A 2015-06-10 2015-06-10 Dependable computing pool application method, dependable computing pool application system, host machine and cloud management platform Pending CN104954461A (en)

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CN105430008A (en) * 2015-12-24 2016-03-23 浪潮电子信息产业股份有限公司 Computing pool application method, computing pool application system, cloud management platform, server and authentication platform
CN110069318A (en) * 2019-04-12 2019-07-30 苏州浪潮智能科技有限公司 A kind of System and method for based on geography fence protection secure virtual machine

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