Tsinghua University

Beijing Institute of Technology

Meng Shen

Ke Xu

Wenlong Chen

Youjian Zhao

Fan Yang

Xin Peng Liu

Tong Li

Lei Xu

Yong Jiang

Xuan Liu

Yuchao Zhang

Dongchao Ma

Yanyu Chen

The present disclosure provides a resource allocation method of a heterogeneous network under intermediate processing constraints. The method includes: generating a preference list for each intermediate node; obtaining network topology information of the heterogeneous network, and calculating a transmission path length of the data stream passing through the intermediate node according to the network topology information; obtaining a quasi-service list of each intermediate node; obtaining a mapping relationship between the intermediate nodes and the data flows according to the quasi-service list of each intermediate node, and sequentially scheduling the data flows according to the mapping relationship and the preference list of each intermediate node. A device for resource allocation of a heterogeneous network under intermediate processing constraints and a non-transitory computer storage medium are also disclosed.

Resource allocation method under heterogeneous network under intermediate processing constraints

The present disclosure provides a verifying method and device for consistency of forwarding behaviors of router data based on action codes. The verifying method includes following steps of: determining related functions for a number of functional modules of a router; configuring action codes for the function modules of the router, each functional module sending configured action code to control layer after executing the related function; configuring condition codes for the functional modules of the router; combining parts or all of the functional modules according to a preset combination way; constructing a Trie tree, nodes of the Trie tree storing the action codes of the functional modules; detecting whether there is abnormal forwarding behavior in forwarding process of received data packet according to the Trie tree and the received data packet.

Verifying method and device for consistency of forwarding behaviors of router data based on action codes

A collaboration method and device for verifying a behavior in a route switching system are provided. The method includes: evaluating a plurality of evaluating indicators in a plurality of verification methods to obtain valid evaluating indicators; generating a comprehensive efficiency attribute value set and a comprehensive cost attribute value set according to the valid evaluating indicators; generating weights of the valid evaluating indicators according to importance of the valid evaluating indicators; calculating a comprehensive efficiency value corresponding to each verification method and a comprehensive cost value corresponding to each verification method according to the weights of the valid evaluating indicators and values of the valid evaluating indicators in each verification method; establishing a state transition equation according to the comprehensive efficiency value corresponding to each verification method and the comprehensive cost value corresponding to each verification method, and solving the state transition equation to obtain an optimal solution.

Collaboration method and device for verifying behavior in route switching system

The present disclosure provides a method and system for detecting normalization of forwarding behavior of a router in a core routing area. The method includes: obtaining data flow received by ports of a core router; performing matching check to the data flow according to the data flow state table; if the data flow does not match the data flow state table, checking state of the data flow to calculate a state check result S(i); determining whether the data flow state table needs to be updated, if yes, updating the data flow state table; and determining whether the state check result S(i) is a trigger state, if yes, calculate state r of the forwarding behavior of the core router, and determining whether the forwarding behavior of the core router is abnormal according to the state r of the forwarding behavior of the core router, if yes, generating an alert log.

Method and system for detecting normalization of forwarding behavior of router in core routing area

A programming method and a programming apparatus for a core routing and switching system are provided. The method includes: obtaining a number of routing nodes and a number of resource types in each routing node in the core routing and switching system; judging whether a first requirement for resources in the routing nodes is changed to a second requirement; judging whether resources in a first routing node group corresponding to the first requirement meet the second requirement if the first requirement is changed; searching for a plurality of second routing node groups with resources meeting the second requirement if the resources in the first routing node group do not meet the second requirement; calculating a plurality of migration overheads corresponding to the plurality of second routing node groups; selecting a second routing node group corresponding to a smallest migration overhead from the plurality of second routing node groups.

Programming method and apparatus for core routing and switching system

A method and apparatus for assembling a component in a router are provided. The router includes at least one reconfigurable component, the at least one reconfigurable component has a unique function, the method includes: obtaining attribute information of the at least one reconfigurable component in the router, wherein the attribute information comprises information on an importance and/or a using frequency of the at least one reconfigurable component in the router; coding the at least one reconfigurable component based on Huffman Coding to generate a Huffman code according to the attribute information of the at least one reconfigurable component; selecting the at least one reconfigurable component, and assembling the selected reconfigurable component to realize a routing function and to form an assembly code; and generating a routing paradigm table according to a user security requirement and the assembly code, such that the router performs the routing function according to the routing paradigm table.

Method and apparatus for assembling component in router

An inter-domain virtual network mapping method, an inter-domain virtual network and an inter-domain virtual network mapping system are provided. The method comprises: receiving an inter-domain virtual network request; obtaining a latest physical network architecture information of each of N network domains; calculating an optimized mapping solution according to the latest physical network architecture information of the N network domains to divide an inter-domain virtual network into N virtual sub-networks, each virtual sub-network corresponding to one of the N network domains; sending each virtual sub-network to a corresponding network domain thereof and performing a mapping in each network domain; initializing SUM=0, and updating SUM according to a result of the mapping in each network domain; determining whether SUM is equal to N; if yes, instructing each network domain to distribute a physical network source for the inter-domain virtual network request; and if no, instructing each network domain to undo any procedure.

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Beijing, China

Meng Shen