Virtual machine internet protocol (IP) resource management method of cloud computing platform

Abstract

The invention provides a virtual machine internet protocol (IP) resource management method of a cloud computing platform. The method comprises the following steps of: (1) performing IP application during creation of a virtual machine; (2) in response to the IP application of the virtual machine, returning optional IP range information by the cloud computing platform; (3) selecting an IP of the virtual machine according to the returned optional IP range information; (4) generating a corresponding physical address of the virtual machine by the cloud computing platform through a selected IP address according to a preset mapping rule, binding the physical address, and writing into a configuration file of the virtual machine; and (5) setting a mapping call of the IP address in the virtual machine according to the selected IP, wherein the mapping call is used for setting the IP of the virtual machine according to the selected IP when the virtual machine is started. By adoption of the method, network bandwidth and time consumption are reduced, the IP of the virtual machine is invariable, the whole network IP section is prevented from being scanned by a network mapper (NMAP), the IP address which is obtained by the virtual machine is not required to be determined by searching address resolution protocol (ARP) cache or IPTABLE log files, and the time consumption of a program is shortened.

Description

technical field [0001] The invention relates to the field of cloud technology, in particular to a virtual machine IP resource management method of a cloud computing platform. Background technique [0002] Cloud computing is a resource pool that distributes computing tasks on a large number of computers, enabling various application systems to obtain computing power, storage space, and information services as needed. Virtualization realizes the logical abstraction and unified representation of IT resources, plays a huge role in large-scale data center management and solution delivery, and is the most important technical cornerstone supporting the great concept of cloud computing. The cloud platform can virtualize physical resources through virtualization technology, and a single physical machine can run multiple virtual machines with different operating systems at the same time. In order for users to use the virtual machine through the terminal, the cloud platform needs to ...

AI Technical Summary

Problems solved by technology

[0007]1. The above technology relies on DHCP to distribute IP uniformly, which will lead to the following disadvantages:

[0008] Disadvantage a: When there are multiple network segments, there are multiple DHCPs, and the virtual machine broadcasts DHCP discover packets to request IP, and will get multiple DHCP server offer response packets , the virtual machine selects the DHCP server packet with the fastest response, so it may appear that the virtual machines on the same physical host are on different network segments, which will cause normal communication between virtual machines or between the virtual machine and the physical host where it resides

[0009] Disadvantage b: IP addresses are dynamically assigned by DHCP, which cannot ensure that the IP assigned to the virtual machine is fixed each time, resulting in the virtual machine being unable to be provided externally as an application server Serve

[0010]2. NMAP will cause network storms and waste network bandwidth

[0011] NMAP scans the IP of the network segment by using the PING operation of the ICMP protocol, so as to obtain the corresponding relationship between MAC and IP in the ARP cache. Perform a scan of the entire network segment to obtain the latest virtual machine MAC-IP correspondence, which can easily cause network storms and waste network bandwidth

[0012]3. It takes a lot of time to determine the relationship between MAC and IP

When querying the specific IP of a virtual machine, it is necessary to traverse the entire IPTABLE record file or DHCP database information file, so the search time is too expensive

In addition, the record file is continuously increasing, and there will be old data before. When the query occurs before the record file is updated, the obtained IP is old data, making it impossible to use the virtual machine normally.

[0014]4. When the number of virtual machines is more than the IP data set by DHCP, there is a situation that the virtual machines cannot obtain IP. Since IP is not used as resource management, CPU, When the storage and memory are sufficient, the user can start more virtual machines than the number of IP domains in the DHCP server, and there will be virtual machines that cannot be assigned IP addresses, and these virtual machines will continuously broadcast DHCP Discover packets according to certain time rules , increasing the network burden within the cloud platform

For virtual machines without IP, users cannot operate virtual machines by establishing network links. These unusable virtual machines will waste cloud platform CPU, storage and memory resources after startup

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