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Mobile backhaul network

A backhaul network and network technology, applied in the field of communication, can solve problems such as the direct application of NDS architecture, and achieve the effect of simple implementation method and security guarantee

Inactive Publication Date: 2014-07-02
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, NDS is built for the architecture of the core network, and the architecture of the mobile backhaul network is different from that of the core network. The NDS architecture cannot be directly applied to the mobile backhaul network. The NDS mechanism needs to be enhanced to meet the security requirements of the mobile backhaul network.

Method used

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Examples

Experimental program
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Embodiment 1

[0048] This embodiment provides a security protection architecture for a mobile backhaul network, which is applicable to a trusted backhaul network scenario.

[0049] In this scenario, eNBs are trusted by the operator, for example, eNBs belong to the operator, and eNBs have physical protection mechanisms such as security monitoring or special personnel protection. The backhaul link is also trusted for the operator, for example, the backhaul link belongs to the operator, and the backhaul link has L2VPN or L3VPN protection. The core network elements in this scenario also belong to the operator and have corresponding security protection mechanisms. In this scenario, eNBs, backhaul connections and core network elements belong to the same operator, and they are located in the same security domain, so this scenario is a trusted backhaul network for the operator, and the backhaul information protection mechanism adopts optional security Interface Zb. In addition, operators can divi...

Embodiment 2

[0058] This embodiment provides a security protection architecture for a mobile backhaul network, which is applicable to a network scenario where a core network and an access network are located in different security domains.

[0059] In this scenario, eNBs may not be fully trusted for operators, for example, eNBs are deployed in an incompletely trusted security domain and lack physical security protection; or considering the importance of network elements, no access The NEs of the core network are isolated from the NEs of the core network. The backhaul link may also be untrusted to the operator, such as via leased line or Internet transmission, or the backhaul link may not be secured. This scenario is not completely trustworthy for the operator, so it is divided into different security domains. The information between different domains is protected by the mandatory security interface Za, and the backhaul information in the same security domain is protected by the optional sec...

Embodiment 3

[0070] This embodiment provides a mobile backhaul network security architecture, which is applicable to a network scenario where a core network and an access network are located in different security domains.

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Abstract

The present invention relates to a mobile backhaul network and relates to the communication field. The mobile backhaul network includes an access network element and a core network element, and the core network element and the access network element encapsulate a security load through IPsec (IPsec ESP) connection for communication. The technical solution provided by the invention applies the NDS framework to the mobile backhaul system, and realizes the security guarantee for the mobile backhaul network, and the implementation method is simple.

Description

technical field [0001] The present invention relates to the communication field, in particular to a mobile backhaul network. Background technique [0002] Security threats to the mobile backhaul network (Mobile Backhaul) mainly come from two aspects. On the one hand, due to the IP-based mobile backhaul network, security threats in the IP network are introduced into the mobile backhaul network, such as worms, Trojan horses, and viruses; In addition, the core network security domain does not include the backhaul network nodes, resulting in the failure of the backhaul network elements to obtain due security protection. Therefore, the security of the Backhaul network is weak and it is very vulnerable to attacks. How to ensure the security of the Backhaul network and provide a safe and efficient backhaul transmission channel for data transmission is a problem that the next generation mobile communication network must solve. [0003] The NDS (Network Domain Security, Network Do...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/00H04W12/03H04W12/0471H04W12/106
Inventor 陈书义韦银星端时立高峰
Owner ZTE CORP