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Data traffic monitoring method, SMF network element, PSA network element and readable storage medium

A technology of data traffic and network elements, applied in the field of 5G communication, can solve the problem of not describing the cumulative statistics of multiple UPF usage, and achieve the effect of accurately monitoring data traffic

Pending Publication Date: 2022-01-14
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the data traffic exchange process of the user terminal includes not only the UL CL UPF but also several UPFs such as the UPF anchor PSA, the current 5G 3GPP 29.512 protocol does not describe how to perform cumulative usage statistics for multiple UPFs

Method used

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  • Data traffic monitoring method, SMF network element, PSA network element and readable storage medium
  • Data traffic monitoring method, SMF network element, PSA network element and readable storage medium
  • Data traffic monitoring method, SMF network element, PSA network element and readable storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Solve the problem that under the current 5G network architecture, there is no method to provide data traffic statistics involving multiple UPF anchor PSAs. The embodiment of the present invention provides a data traffic monitoring method, including: the session management network element SMF receives the usage monitoring instance issued by the charging control strategy network element PCF, and converts the usage monitoring instance into a usage reporting rule URR; session management The network element SMF sends the usage report rule URR to the ULCL UPF, and at least two UPF anchor points under the ULCL UPF, the first PSA and the second PSA, and the ULCL UPF is the datagram of the PDU session created by the session management network element SMF A ULCL UPF inserted in the file transmission path; the session management network element SMF determines the traffic usage according to the traffic statistics results reported by the ULCL UPF and at least two UPF anchor points, t...

Embodiment 2

[0051] This embodiment provides a data traffic monitoring method, which is applied in a 5G communication system. The data traffic monitoring method includes: the PSA of the UPF anchor receives the usage report rule URR sent by the session management network element SMF, and according to the usage report rule URR Count uplink traffic; when receiving a query command sent by the session management network element SMF, send the uplink traffic statistics result to the session management network element SMF.

[0052] In some embodiments, the PSA includes at least a first PSA and a second PSA. The PSA is connected to the ULCL UPF. After the user terminal accesses the 5G network and the PDU session is established, the user terminal is connected to the ULCL UPF. The ULCL UPF sends and receives data through the PSA. Therefore, the PSA connected to the ULCL UPF usually includes At least two or more.

[0053] In some embodiments, the usage reporting rule URR includes: a traffic threshold...

Embodiment 3

[0056] This embodiment provides a data traffic monitoring method, which specifically includes the following steps:

[0057] Step S1, the network element PCF of the charging control policy issues a usage monitoring instance to monitor the service data flow on the PDU session created by the terminal user. There may be more than one PSA managed by the PDU session. In order to accurately count the user's data traffic, the session management network element SMF needs to convert the usage monitoring instance into a URR and send it to the ULCLUPF and the anchor UPF PSA1 and PSA2 respectively. The URR received by different UPFs for usage monitoring includes the traffic threshold for user data traffic monitoring and a URRID. URRID is used as the identification ID of a URR, and the URRIDs on different UPFs can be the same or different without limitation.

[0058] Step S2, the data message of the user terminal distinguishes uplink and downlink. For the downlink data message, it is aggre...

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PUM

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Abstract

According to the data traffic monitoring method, the SMF network element, the PSA network element and the readable storage medium provided by the embodiment of the invention, a session management network element SMF receives a traffic monitoring instance issued by a charging control policy network element PCF, and converts the traffic monitoring instance into a traffic report rule URR; the session management network element SMF issues a traffic report rule URR to an ULCL UPF, and at least two UPF anchor points, namely, a first PSA and a second PSA under the ULCL UPF, and the ULCL UPF is one ULCL UPF inserted by the session management network element SMF in a data message transmission path of a created PDU session; and the session management network element SMF determines the traffic amount according to the traffic statistical results reported by the ULCL UPF and the first PSA and the second PSA of the at least two UPF anchor points, and sends the traffic amount to a charging control policy network element PCF. In some implementation processes, the session management network element (SMF) can send a traffic report rule (URR) to a plurality of UPFs, and the traffic amount is determined according to a traffic statistical result returned by the plurality of UPFs, so that the data traffic can be monitored more accurately.

Description

technical field [0001] The embodiment of the present invention relates to but not limited to the technical field of 5G communication, specifically, relates to but not limited to a data traffic monitoring method, SMF network element, PSA network element and readable storage medium. Background technique [0002] In the 5th generation communication system (5G), when the user accesses the 5G network, the user creates a PDU (Protocol Data Unit) session through the session management network element SMF, and the session management network element SMF is the data message transmission path of the PDU session Insert an uplink classifier UPF network element (Uplink Classifier) ​​referred to as UL CL UPF for short, and user data packets are forwarded to different UPF anchor PSAs (PDU Session Anchor) through the ULCL UPF network element. For the data packets passing through the UPF network element, the user's data flow can be monitored by using the charging control policy network elemen...

Claims

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Application Information

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IPC IPC(8): H04W4/24H04L12/14
CPCH04W4/24H04L12/1407H04L12/1435
Inventor 石原
Owner ZTE CORP
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