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Remote access method and equipment

A technology for remote access and equipment, applied in connection management, electrical components, wireless communication, etc., can solve the problems of PDN network security hidden danger control cost burden, high hardware VPN cost, complex implementation, etc., to save VPN dedicated tunnel overhead, Improves security and supports continuity

Active Publication Date: 2012-05-09
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The first remote access solution in the prior art requires additional configuration of third-party equipment, which increases access costs. It is not a real direct access from the UE to the PDN network, and has certain restrictions on access rights and content.
[0009] The second remote access solution in the prior art has typical VPN defects, such as unstable software VPN and low efficiency; while hardware VPN is expensive and needs to establish an additional dedicated tunnel, which is complicated to implement, and the cost of establishment and maintenance is high. Very high, and this solution has certain restrictions on some applications, such as multicast needs other technologies to support
And the compatibility of virtual private network products and solutions from different vendors is poor
[0010] In addition, the access control of existing remote access solutions is mostly performed by the PDN network, which brings great security risks and control cost burdens to the PDN network.

Method used

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  • Remote access method and equipment

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0049] In this embodiment, the mobile communication network uses an LTE (Long Term Evolution, long-term evolution system) network, and a PDN network uses an enterprise or home local area network as examples to introduce the system network architecture and implementation principles.

[0050] Such as figure 1 As shown, the core network in the LTE network includes network elements such as MME (Mobile Management Entity, Mobility Management Entity), SGW (Serving Gateway, Serving Gateway), PGW (PDN Gateway, Public Data Network Gateway), and the enterprise or home LAN Including multiple HeNBs (Home Evolved Node B), and deploying L-GW (Local Gateway) combined with HeNB or independently set up, UE is outside the enterprise or home LAN, and remotely accesses the enterprise or home LAN through the core network .

[0051] See figure 1 , the data routing of the remote access solution in the prior art is shown by the dotted line. The UE first accesses the base station equipment eNodeB of ...

Embodiment 2

[0139] In this embodiment, the mobile communication network uses an LTE (Long Term Evolution, long-term evolution system) network, and a PDN network uses an enterprise or home local area network as examples to introduce the system network architecture and implementation principles.

[0140] Assuming that the UE uses LIPA connection to access the network resources of the enterprise or home LAN within the enterprise or home LAN, and when the UE moves from the inside of the enterprise or home LAN to the outside of the enterprise or home LAN, it may still need to continue to access its network resources (the application Scenarios need to maintain business continuity). After the MME is authenticated, the UE's LIPA connection can be converted into a RIPA connection for remote access. Application scenarios such as Image 6 As shown, the UE is inside the enterprise or home LAN, and directly connects to the L-GW through the HeNB to access network resources. The data route is shown by ...

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Abstract

The invention discloses a remote access method and equipment in order to solve the abuse exists in a remote access scheme in the prior art and promote safety and stability for remote access. The remote access method comprises the following steps of: receiving a connection establishment request that a remote internet protocol started by UE (User Equipment) is accessed to RIPA, wherein the connection establishment request carries relevant information of an accessed PDN (Public Data Network); according to subscription information of the UE, affirming that a RIPA connection is allowed to be established between the UE and the accessed PDN, and selecting a local gateway arranged in the accessed PDN as a PDN gateway; according to the relevant information of the accessed PDN, confirming address information of the local gateway, based on the address information, establishing the UE, and accessing the RIPA connection of PDN resources through the local gateway.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a remote access method and equipment. Background technique [0002] In current mobile communication applications, a UE (User Equipment, user equipment) accesses a PDN (Public Data Network, public data network) network through a core network in a mobile communication network, such as an enterprise or a home local area network, and accesses The demand for IP devices or application services is increasing day by day. This access method is called remote access. [0003] In the prior art, the remote access solution is generally realized by the following technologies: [0004] 1. Intermediate transition technology [0005] This type of implementation method does not directly access PDN network resources end-to-end, but through a third-party device, such as uploading PDN network resources to an intermediate server, and the UE accesses the intermediate server instead of devi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/02H04L29/08H04L29/12
Inventor 孙滔邓辉
Owner CHINA MOBILE COMM GRP CO LTD