A legal monitoring method for WAN communication network
A wide-area communication network and legal interception technology, which is applied to the legal interception of the wide-area communication network and the field of information security, can solve the problems that the communication network cannot be monitored.
Inactive Publication Date: 2009-07-08
ZTE CORP
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Problems solved by technology
At present, the monitoring device and the monitored network can only monitor the communication network in a local area, that is, a monitoring device can only monitor users in a local communication network in a certain country and region, and cannot realize wide-area communication. Monitoring of the entire communication network
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[0024] The embodiment of the present invention provides a technical solution for realizing legal interception of a wide area communication network. Because the wide area communication network is a communication network covering a wide area and covering many types of equipment. The wide area communication network can be divided into different local communication networks according to the geographical range to which it belongs.
[0025] In the embodiment of the present invention, in order to achieve seamless geographic coverage of lawful interception, the lawful interception center is divided into two different levels: local interception center and advanced interception center. These two monitoring centers can be connected in networking to achieve geographic coverage. A large first-level monitoring center can be established across the country, with several second-level monitoring centers, and then several local monitoring centers, forming a hierarchical network structure, such as fi...
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The invention discloses a method for legally monitoring a wide area communication network. Steps: (1) In the entire monitoring area, one or more local monitoring centers and their superior monitoring centers are established for each monitored office to form a layered network (2) Each monitoring office is connected to its local monitoring center or its superior monitoring center through a functional monitoring interface, and a network monitoring interface is established between each local monitoring center and its superior monitoring center and the interface protocol is configured. , so that each monitoring center is connected to each other through the network monitoring interface to forward information to each other; (3) the monitoring center sets and controls the monitored user, and transmits the monitoring setting and control command to the corresponding user through the network monitoring interface (4) When the monitored office determines that the monitored user has various services that are controlled, it will report the communication content of the monitored user to the monitored centers at all levels. The monitoring of the whole network can be realized by adopting the invention.
Description
Technical field [0001] The present invention relates to communication technology, in particular to information security technology in communication technology, and more specifically, to a method for legally monitoring a wide area communication network. Background technique [0002] At present, with the needs of the international political situation, especially the anti-terrorism situation, various countries and regions have developed legalization of the monitoring of communication networks from a legal perspective, and they have also become legal monitoring. For lawful interception, the interception equipment uses a specific interception technology interface to intercept and analyze the communication content of the monitored communication network. At present, the monitoring device and the monitored network can only monitor the local communication network, that is, a monitoring device can only monitor the users in the local communication network of a certain country and region, an...
Claims
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IPC IPC(8): H04L12/24H04L29/06H04L12/26H04L12/28
Inventor 华新海余昕孟昱
Owner ZTE CORP