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Policy Control Enforcement on Packet Gateways

A packet gateway and controller technology, applied in the direction of network connection, data exchange network, digital transmission system, etc., can solve the problems of consuming large resources and increasing network waiting time.

Active Publication Date: 2018-06-26
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods also have problems
In particular, since both conventional methods consume a lot of resources on the PGW, they both increase the network latency

Method used

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  • Policy Control Enforcement on Packet Gateways
  • Policy Control Enforcement on Packet Gateways
  • Policy Control Enforcement on Packet Gateways

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Experimental program
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Embodiment Construction

[0031] Generally, the head and tail fragments of the segmented IP packet will arrive at the PGW in turn. That is, the head fragment will usually arrive at the PGW before the tail fragment. Therefore, using the system and method of the present invention, it is possible to classify segmented IP packets on the packet gateway (PGW), apply the appropriate service data flow (SDF) to each packet, and forward the fragments to the destination subscriber device , Without having to completely recombine or virtually recombine the fragments on the PGW.

[0032] More specifically, when the PGW receives the component fragments of a given IP packet, the policy control enforcement function (PCEF) executed on the PGW classifies the header fragments to determine the appropriate service data flow (SDF), and will compare it with the determined The information associated with the SDF and the header segment is stored in the memory. The header segment is then forwarded to the destination subscriber de...

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Abstract

A Packet Gateway (PGW) receives multiple IP packet fragments from the network. The IP packet fragments include a header fragment and one or more trailer fragments, and are associated with the first IP packet. The controller on the PGW classifies the fragments as they are received. The controller applies the same selected service processing to the header segment as well as each trailer segment based on the header segment's classification. The PGW then sends each processed packet fragment to the end-user device.

Description

Technical field [0001] The present invention generally relates to the processing of data packets in a communication network, and more specifically to the processing of fragmented data packets in the network through a policy control enforcement function (PCEF) executed on a packet gateway (PGW). Background technique [0002] A packet gateway (PGW) is a network entity that anchors a subscriber device to a wireless communication network. Generally, the PGW receives IP packets from the core network and then sends those packets to the subscriber device via the access network (AN). However, before delivering the IP packet to the subscriber device, the PGW first follows the well-known standard set (ie, 3GPP TS 23.203 V11.4.0 (2011-12), titled "The Third Generation Partnership Project, Technical Specification Group Services and System On the one hand, the policy and charging control framework") processes the received IP packets. [0003] As defined in TS23.203, PGW has a policy and charg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/851H04L45/74
CPCH04L69/166H04L69/22H04L47/70H04L12/66H04L45/745
Inventor N.班索德B.基恩
Owner TELEFON AB LM ERICSSON (PUBL)