Virtual Machine Start Method and Apparatus

A virtual machine start method, wherein the method is applied to a network function virtualization (NFV) network on which M network services are deployed, wherein the NFV network is implemented by multiple virtual machines running on a computing device, wherein a xth service is one network service in the M network services, wherein the xth service is jointly implemented by N(x) types of virtualized network function components (VNFCs), wherein N is a positive integer, wherein a value range of x comprises all positive integers not greater than M, wherein M is a natural number greater than 1, and wherein the method comprises:

• obtaining a distribution relationship between the N(x) types of VNFCs and the multiple virtual machines, wherein the distribution relationship indicates a quantity of a xith type of VNFC distributed in each of the multiple virtual machines, wherein the xith type is one of the N(x) types corresponding to the xth service, and wherein a value range of xi comprises all positive integers not greater than N(x);
• selecting at least one unstarted virtual machine from the multiple virtual machines as a to-be-started virtual machine set according to the distribution relationship, so that a total quantity of each type of VNFC in a first group of virtual machines and in the M network services meets a preset quantity corresponding to each type of VNFC, wherein a set of the first group of virtual machines comprises a started virtual machine set and the to-be-started virtual machine set, wherein a quantity of started virtual machines in the started virtual machine set is greater than or equal to 0, and wherein the started virtual machine belongs to the multiple virtual machines when the quantity is greater than 0;
• and
• starting a virtual machine in the to-be-started virtual machine set.

A virtual machine start apparatus, wherein the apparatus is applied to a network function virtualization (NFV) network on which a first network service is deployed, wherein the NFV network is implemented by multiple virtual machines running on a computing device, wherein the first network service is jointly implemented by N types of virtualized network function components (VNFCs), wherein N is a positive integer, and wherein the apparatus comprises:

• an obtaining module configured to obtain a distribution relationship between the N types of VNFCs and the multiple virtual machines, wherein the distribution relationship indicates a quantity of each of the N types of VNFCs in each of the multiple virtual machines;
• a selection module configured to select at least one unstarted virtual machine from the multiple virtual machines as a to-be-started virtual machine set according to the distribution relationship obtained by the obtaining module, so that a total quantity of each type of VNFC in a first group of virtual machines meets a preset quantity corresponding to each type of VNFC, wherein a set of the first group of virtual machines comprises a started virtual machine set and the to-be-started virtual machine set, wherein a quantity of started virtual machines in the started virtual machine set is greater than or equal to 0, and wherein the started virtual machine belongs to the multiple virtual machines when the quantity is greater than 0;
• and
• a start module configured to start a virtual machine in the to-be-started virtual machine set selected by the selection module.

A virtual machine start apparatus, wherein the apparatus is applied to a network function virtualization (NFV) network on which M network services are deployed, wherein the NFV network is implemented by multiple virtual machines running on a computing device, wherein an xth service is one network service in the M network services, wherein the xth service is jointly implemented by N(x) types of virtualized network function components (VNFCs), wherein N is a positive integer, wherein a value range of x comprises all positive integers not greater than M, wherein M is a natural number greater than 1, and wherein the apparatus comprises:

• an obtaining module configured to obtain a distribution relationship between the N(x) types of VNFCs and the multiple virtual machines, wherein the distribution relationship indicates a quantity of a xith type of VNFC distributed in each of the multiple virtual machines, wherein the xith type is one of the N(x) types corresponding to the xth service, and wherein a value range of i comprises all positive integers not greater than N(x);
• a selection module configured to select at least one unstarted virtual machine from the multiple virtual machines as a to-be-started virtual machine set according to the distribution relationship obtained by the obtaining module, so that a total quantity of each type of VNFC in a first group of virtual machines and in the M network services meets a preset quantity corresponding to each type of VNFC, wherein a set of the first group of virtual machines comprises a started virtual machine set and the to-be-started virtual machine set, wherein a quantity of started virtual machines in the started virtual machine set is greater than or equal to 0, and wherein the started virtual machine belongs to the multiple virtual machines when the quantity is greater than 0;
• and
• a start module configured to start a virtual machine in the to-be-started virtual machine set selected by the selection module.

A virtual machine start device, comprising:

• a memory storing a program and an instruction;
• and
• a processor coupled to the memory via a bus, wherein the processor invokes the program and the instruction in the memory and is applied to a network function virtualization (NFV) network on which a first network service is deployed, wherein the NFV network is implemented by multiple virtual machines running on a computing device, wherein the first network service is jointly implemented by N types of virtualized network function components (VNFCs), N is a positive integer, and wherein the processor is configured to:
• obtain a distribution relationship between the N types of VNFCs and the multiple virtual machines, wherein the distribution relationship indicates a quantity of each of the N types of VNFCs in each of the multiple virtual machines;
• select at least one unstarted virtual machine from the multiple virtual machines as a to-be-started virtual machine set according to the distribution relationship, so that a total quantity of each type of VNFC in a first group of virtual machines meets a preset quantity corresponding to each type of VNFC, wherein a set of the first group of virtual machines comprises a started virtual machine set and the to-be-started virtual machine set, wherein a quantity of started virtual machines in the started virtual machine set is greater than or equal to 0, and wherein the started virtual machine belongs to the multiple virtual machines when the quantity is greater than 0;
• and
• start a virtual machine in the to-be-started virtual machine set.