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Data transmission method and data transmission system based on HIP devices

A data transmission method and equipment technology, applied in the field of data transmission, can solve the problems of time extension, reduction of data transmission efficiency, data loss, etc.

Inactive Publication Date: 2012-04-11
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, since a HIP device only establishes a HIP connection with one HAP, when a certain HAP fails, the HIP device connected to it needs to reselect the HAP for association, and the time delay is relatively long. , other HAPs cannot forward the data sent to the HIP device connected to the faulty HAP in time, which will easily cause data loss and reduce the efficiency of data transmission

Method used

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  • Data transmission method and data transmission system based on HIP devices
  • Data transmission method and data transmission system based on HIP devices
  • Data transmission method and data transmission system based on HIP devices

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0121] This embodiment is based on Figure 5 In the system structure shown, the HIP device in this embodiment can be connected to multiple HAPs at the same time, and the two ends of the communication are connected to different HAPs. Figure 7 It is a schematic flow chart of the data transmission method based on HIP equipment in Embodiment 1 of the present invention, such as Figure 7 As shown, the method includes:

[0122] Step 701: UE2 obtains a HAP address with a smaller RTT by querying a statically configured server, a DHCPv6 server, or DNS, and establishes a HIP association with the HAP2 therein.

[0123] Here, the HAP2 caches the binding relationship between the HIT of the UE2 and the IP address of the UE2, and transmits the binding relationship to the SN5 node responsible for storing the data of the UE2 for storage.

[0124] Step 702: UE1 obtains a HAP address list with a smaller RTT by querying a statically configured server, a DHCPv6 server, or DNS, and the acquired ...

Embodiment 2

[0157] This embodiment is based on Figure 5 The system structure shown, describes the situation where a single HAP fails, and the HIP device communicates with other HIP devices through the non-faulty HAP, Figure 8 It is a schematic flow chart of the data transmission method based on HIP equipment in Embodiment 2 of the present invention, as Figure 8 As shown, the method includes:

[0158] Step 801: UE1 obtains a HAP address list with a smaller RTT by querying a statically configured server, a DHCPv6 server, or DNS, and establishes a HIP association with HAP1A according to the list. HAP1A stores the binding relationship between the UE1 HIT and the UE1 IP address, and transmits the binding relationship to the SN4 node responsible for storing UE1 data for storage.

[0159] Step 802: UE1 obtains a HAP address list with a smaller RTT by querying a statically configured server, DHCPv6 server or DNS, and establishes a HIP association with HAP1B according to the list. HAP1B stor...

Embodiment 3

[0172] This embodiment is based on Figure 5 In the system structure shown, the HIP device has multiple HAP connections, and some HAP connections will be closed during data transmission. Figure 9 It is a schematic flow chart of a data transmission method based on HIP equipment in Embodiment 3 of the present invention, as Figure 9 As shown, the method includes:

[0173] Step 901-Step 903: Same as Step 801-Step 803.

[0174] Step 904: UE1 closes its HIP connection with HIP1A by using a HIP Close packet.

[0175] Step 905: After receiving the Close packet sent by UE1, HAP1A sends a command to delete its binding relationship with UE1 to its connected SN1 node. And delete the binding of the cached UE1HIT and UE1IP.

[0176] Step 906: The SN1 node sends a command to delete the binding relationship between HAP1A and UE1 to the SN node responsible for storing UE1's data according to the routing rules of the DHT overlay network. The SN node responsible for storing UE1 data delet...

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Abstract

The invention discloses a data transmission method based on HIP (Host Identity Protocol) devices, when a source HIP device needs to send data to a target HIP device, a HAP (HIP device Access Point) associated with the source HIP device is selected for data sending. The invention further discloses a data transmission system based on the HIP devices, correspondingly. With the method and the system, when a certain HAP is failed, the HIP device associated with the failed HAP can choose other associated HAP for sending data, and the data sent to the HIP device also can be forwarded by other HAP associated with the HIP device, so that time delay of data sending of the HIP device caused by failure of a certain HAP is reduced, and data loss is avoided.

Description

technical field [0001] The present invention relates to the field of data transmission, in particular to a data transmission method and system based on a Host Identity Protocol (Host Identity Protocol, HIP) device. Background technique [0002] There are mainly two types of Internet name space, namely IP address and domain name system. Among them, the IP address not only serves as the addressing function, but also serves as the role of identifying communication device nodes. This dual function determines that when the IP address changes, not only routing occurs has changed, and the identification of the communication device host has also changed. For the former, we can accept it, but the change of device identity will cause application and connection interruption. [0003] By binding the device identifier and address, HIP can solve the problem of application and connection interruption caused by the change of the above-mentioned device identifier. Specifically, HIP requires...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/12
Inventor 沈炯
Owner ZTE CORP
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