Abstract: A network congestion control method is provided. The method includes detecting whether a new network connection is established by a source endpoint; obtaining a destination endpoint of the new network connection when it is detected that a new network connection is established by a source endpoint; and assigning the new network connection to an established network group corresponding to the destination endpoint of the new network connection. Further, the method includes, based on a predefined network congestion control mechanism for each network group, obtaining a data transfer rate of each network group and controlling the data transfer rate of each network group to control data transfer rates of network connections in each network group including the new network connection.

Abstract: A method for sharing application data includes sending a sharing request to a server by a first terminal for sharing application data to be shared from a first application; receiving a user information list and an application list returned by the server; from the user information list, selecting a user identification for receiving the application data to be shared; from the application list, selecting an application identification, for receiving the application data to be shared; and sending the application data to be shared to a second terminal based on the user identification and the application identification, such that the application data to be shared is received and displayed by the second terminal through a second application corresponding to the application identification.

Abstract: The present invention provides a method and system for recovering a virtual network. The method may include obtaining a snapshot of the virtual network; and in a preset mode, reading configuration information of the virtual network from the snapshot. Further, based on the configuration information, one or more virtual network devices may be created and corresponding configuration parameters to the one or more created virtual network devices may be distributed. Based on the snapshot, the one or more created virtual network devices may be connected to virtual machines and a physical network.

Abstract: A method for scheduling virtual machines in a virtual machine cluster includes obtaining a filename of a target virtual machine when a user requests to start the target virtual machine; inquiring, based on the filename of the target virtual machine, a storage module or a database to acquire one or more nodes where copies of the target virtual machine are located; selecting, from the acquired one or more nodes, a node with a highest score as a target node having a copy of the target virtual machine; and running the copy of the target virtual machine on the selected target node with the highest score.

Abstract: The present invention provides a terminal single sign-on configuration, authentication method, and system. The terminal single sign-on authentication method includes obtaining a VPN login information for accessing a private virtual network, where the application service system is installed on a mobile terminal; and uploading the VPN login information to a server for verification. When the VPN login information is successfully verified, a recorded script associated with the VPN login information is obtained from the server, the recorded script containing a plurality of operations and login parameters corresponding to input controls in a user interface of the application service system for authentication. The method further includes according to the recorded script, automatically replaying the plurality of operations to input the login parameters to the corresponding input controls in the user interface, such that an authentication process for the application service system is completed automatically.

Abstract: A virtual security isolation method includes monitoring security status information of a plurality of virtual machines in a virtual LAN; determining whether the security status information has abnormity; and generating security risk information corresponding to the virtual machine when it is determined that the security status information of a virtual machine has abnormity. The method also includes processing the security risk information according to a preset security risk treatment method having a corresponding relationship with the security risk information, generating ACL setting information for isolating the virtual machine; and sending an isolation command carrying the ACL setting information to an access control list module corresponding to the virtual LAN. The access control list module executes the isolation command and reconfigures the access control list according to the ACL setting information.

Abstract: A communication method includes automatically sending a DHCP discovery request to a DHCP server after power on; receiving network configuration parameters assigned by the DHCP server responding to the DHCP discovery request; and sending a predefined domain name query request for a predefined domain name according to a network address of a DNS server included in the network configuration parameters. The domain name query request passes through a wireless controller. The method also includes, after the wireless controller intercepts the predefined domain name query request by monitoring domain name query requests passing through the wireless controller, receiving a simulated domain name query reply packet from the wireless controller responding to the predefined domain name query, wherein the domain name query reply packet includes a predefined network address corresponding to the predefined domain name; and communicating with the wireless controller according to the predefined network address.