Patent ID: 9703654
Date: 2017-07-11
CPC Classifications: G06F,H04L

Claim:
1. A method for cloud application redundancy comprising: acquiring first description information of a cloud application needing redundancy, wherein the first description information comprises subnetwork information of a source network used at a production site by the cloud application and information about a source virtual machine used at the production site by the cloud application, wherein subnetwork information of the source network comprises at least one of a subnetwork address or a virtual local area network identifier (VLAN ID), and wherein information about the source virtual machine comprises specifications of the source virtual machine and a first connection relationship between virtual network adapter of the source virtual machine and subnetwork of the source network; determining specifications of a backup virtual machine at a redundancy site for the cloud application according to the specifications of the source virtual machine; determining subnetwork information about a backup network used at the redundancy site by the cloud application, wherein the subnetwork information about the backup network comprises at least one of the subnetwork address or the VLAN ID, which corresponds to subnetwork information about the source network; determining a second connection relationship between the backup virtual machine and subnetwork of the backup network, wherein the second connection relationship corresponds to the first connection relationship; and providing second description information for recovering the cloud application at the redundancy site, wherein the second description information comprises specifications of the backup virtual machine, subnetwork information about the backup network, and the second connection relationship, so as to instruct the redundancy site to: