An apparatus for configuring a redundancy solution in a cloud computing architecture, wherein the apparatus comprises: a receiving module, configured to receive a redundancy solution configuration request, and transmit the received redundancy solution configuration request to a first determining module; the first determining module, configured to determine, according to the redundancy solution configuration request, redundancy capability information and redundancy constraint requirement information of an application object to be configured; and transmit the determined redundancy capability information and the redundancy constraint requirement information of the application object to be configured to a second determining module, wherein the redundancy constraint comprises at least one of a geographical constraint, a compatibility constraint, an anti-compatibility constraint, and a priority constraint; and the second determining module, configured to determine, according to infrastructure information, infrastructure manager information, and application object information in an established redundancy capability information base, and the redundancy capability information and the redundancy constraint requirement information of the application object to be configured, a redundancy solution for the application object to be configured; wherein the redundancy solution is determined based on a redundancy mode and a redundancy mechanism which are determined according to the redundancy capability information and the redundancy constraint requirement information of the application object, wherein the redundancy mode is one of an active-standby mode, an active-active mode, a load sharing mode, or an active/to-deployed mode, and wherein the redundancy mechanism is one of a mechanism that performs redundancy and backup based on an infrastructure layer, a mechanism that performs redundancy and backup based on an application layer, a mechanism that performs redundancy and backup based on a platform layer, or a mechanism that performs redundancy and backup based on a management domain. a receiving module, configured to receive a redundancy solution configuration request, and transmit the received redundancy solution configuration request to a first determining module; the first determining module, configured to determine, according to the redundancy solution configuration request, redundancy capability information and redundancy constraint requirement information of an application object to be configured; and transmit the determined redundancy capability information and the redundancy constraint requirement information of the application object to be configured to a second determining module, wherein the redundancy constraint comprises at least one of a geographical constraint, a compatibility constraint, an anti-compatibility constraint, and a priority constraint; and the second determining module, configured to determine, according to infrastructure information, infrastructure manager information, and application object information in an established redundancy capability information base, and the redundancy capability information and the redundancy constraint requirement information of the application object to be configured, a redundancy solution for the application object to be configured; wherein the redundancy solution is determined based on a redundancy mode and a redundancy mechanism which are determined according to the redundancy capability information and the redundancy constraint requirement information of the application object, wherein the redundancy mode is one of an active-standby mode, an active-active mode, a load sharing mode, or an active/to-deployed mode, and wherein the redundancy mechanism is one of a mechanism that performs redundancy and backup based on an infrastructure layer, a mechanism that performs redundancy and backup based on an application layer, a mechanism that performs redundancy and backup based on a platform layer, or a mechanism that performs redundancy and backup based on a management domain.