ATE536057T1 - Richtliniendurchsetzung in einem ip-netzwerk - Google Patents

Richtliniendurchsetzung in einem ip-netzwerk

Info

Publication number
ATE536057T1
ATE536057T1 AT06707778T AT06707778T ATE536057T1 AT E536057 T1 ATE536057 T1 AT E536057T1 AT 06707778 T AT06707778 T AT 06707778T AT 06707778 T AT06707778 T AT 06707778T AT E536057 T1 ATE536057 T1 AT E536057T1
Authority
AT
Austria
Prior art keywords
policy
network
pcrf
function
node
Prior art date
Application number
AT06707778T
Other languages
English (en)
Inventor
Gyoergy Miklas
Zoltan Turanyi
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE536057T1 publication Critical patent/ATE536057T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0893Assignment of logical groups to network elements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/02Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08Mobility data transfer
    • H04W8/082Mobility data transfer for traffic bypassing of mobility servers, e.g. location registers, home PLMNs or home agents
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0894Policy-based network configuration management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W80/00Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04Network layer protocols, e.g. mobile IP [Internet Protocol]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W80/00Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08Upper layer protocols
    • H04W80/10Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
AT06707778T 2006-01-20 2006-01-20 Richtliniendurchsetzung in einem ip-netzwerk ATE536057T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/050330 WO2007082587A1 (en) 2006-01-20 2006-01-20 Policy enforcement within an ip network

Publications (1)

Publication Number Publication Date
ATE536057T1 true ATE536057T1 (de) 2011-12-15

Family

ID=36954110

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06707778T ATE536057T1 (de) 2006-01-20 2006-01-20 Richtliniendurchsetzung in einem ip-netzwerk

Country Status (4)

Country Link
US (1) US8670333B2 (de)
EP (1) EP1974560B1 (de)
AT (1) ATE536057T1 (de)
WO (1) WO2007082587A1 (de)

Families Citing this family (115)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1466261B1 (de) 2002-01-08 2018-03-07 Seven Networks, LLC Verbindungsarchitektur für ein mobilnetzwerk
US8438633B1 (en) 2005-04-21 2013-05-07 Seven Networks, Inc. Flexible real-time inbox access
WO2006136660A1 (en) 2005-06-21 2006-12-28 Seven Networks International Oy Maintaining an ip connection in a mobile network
FR2902594A1 (fr) * 2006-06-16 2007-12-21 France Telecom Unite et procede de definition d'une regle de session dans un reseau
US20080167888A1 (en) * 2007-01-09 2008-07-10 I4 Commerce Inc. Method and system for identification verification between at least a pair of entities
US8805425B2 (en) 2007-06-01 2014-08-12 Seven Networks, Inc. Integrated messaging
WO2009007985A2 (en) * 2007-07-06 2009-01-15 Elitecore Technologies Limited Identity and policy-based network security and management system and method
WO2009024182A1 (en) * 2007-08-20 2009-02-26 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for providing local breakout in a mobile network
US7808942B2 (en) 2007-08-30 2010-10-05 Sprint Spectrum L.P. Policy based mobile-IP address selection and assignment
CN201114637Y (zh) * 2007-09-14 2008-09-10 中兴通讯股份有限公司 网络信息表更新序号处理装置及移动终端
CN101394449B (zh) * 2007-09-19 2011-01-19 华为技术有限公司 一种会话修改方法及系统
WO2009051527A1 (en) * 2007-10-16 2009-04-23 Telefonaktiebolaget Lm Ericsson (Publ) A method and system for enabling access policy and charging control
US9002828B2 (en) 2007-12-13 2015-04-07 Seven Networks, Inc. Predictive content delivery
US8155020B2 (en) * 2008-01-14 2012-04-10 Qualcomm Incorporated Policy control and charging (PCC) rules based on mobility protocol
US8862657B2 (en) 2008-01-25 2014-10-14 Seven Networks, Inc. Policy based content service
US20090193338A1 (en) 2008-01-28 2009-07-30 Trevor Fiatal Reducing network and battery consumption during content delivery and playback
US9043862B2 (en) 2008-02-06 2015-05-26 Qualcomm Incorporated Policy control for encapsulated data flows
US8787249B2 (en) * 2008-02-06 2014-07-22 Qualcomm Incorporated Mobile IP multiple registrations and PCC interactions
WO2009100177A1 (en) * 2008-02-06 2009-08-13 Qualcomm Incorporated Mobile ip multiple registrations and pcc interactions
US8391834B2 (en) 2009-01-28 2013-03-05 Headwater Partners I Llc Security techniques for device assisted services
US8635335B2 (en) 2009-01-28 2014-01-21 Headwater Partners I Llc System and method for wireless network offloading
US8402111B2 (en) 2009-01-28 2013-03-19 Headwater Partners I, Llc Device assisted services install
US8626115B2 (en) 2009-01-28 2014-01-07 Headwater Partners I Llc Wireless network service interfaces
US8583781B2 (en) 2009-01-28 2013-11-12 Headwater Partners I Llc Simplified service network architecture
US8924469B2 (en) 2008-06-05 2014-12-30 Headwater Partners I Llc Enterprise access control and accounting allocation for access networks
US8346225B2 (en) 2009-01-28 2013-01-01 Headwater Partners I, Llc Quality of service for device assisted services
US8275830B2 (en) 2009-01-28 2012-09-25 Headwater Partners I Llc Device assisted CDR creation, aggregation, mediation and billing
US8340634B2 (en) 2009-01-28 2012-12-25 Headwater Partners I, Llc Enhanced roaming services and converged carrier networks with device assisted services and a proxy
US8832777B2 (en) 2009-03-02 2014-09-09 Headwater Partners I Llc Adapting network policies based on device service processor configuration
US8725123B2 (en) 2008-06-05 2014-05-13 Headwater Partners I Llc Communications device with secure data path processing agents
US8548428B2 (en) 2009-01-28 2013-10-01 Headwater Partners I Llc Device group partitions and settlement platform
US8406748B2 (en) 2009-01-28 2013-03-26 Headwater Partners I Llc Adaptive ambient services
US8924543B2 (en) 2009-01-28 2014-12-30 Headwater Partners I Llc Service design center for device assisted services
US8589541B2 (en) 2009-01-28 2013-11-19 Headwater Partners I Llc Device-assisted services for protecting network capacity
US8909759B2 (en) 2008-10-10 2014-12-09 Seven Networks, Inc. Bandwidth measurement
US9858559B2 (en) 2009-01-28 2018-01-02 Headwater Research Llc Network service plan design
US9565707B2 (en) 2009-01-28 2017-02-07 Headwater Partners I Llc Wireless end-user device with wireless data attribution to multiple personas
US10248996B2 (en) 2009-01-28 2019-04-02 Headwater Research Llc Method for operating a wireless end-user device mobile payment agent
US10798252B2 (en) 2009-01-28 2020-10-06 Headwater Research Llc System and method for providing user notifications
US10783581B2 (en) 2009-01-28 2020-09-22 Headwater Research Llc Wireless end-user device providing ambient or sponsored services
US9392462B2 (en) 2009-01-28 2016-07-12 Headwater Partners I Llc Mobile end-user device with agent limiting wireless data communication for specified background applications based on a stored policy
US9578182B2 (en) 2009-01-28 2017-02-21 Headwater Partners I Llc Mobile device and service management
US11973804B2 (en) 2009-01-28 2024-04-30 Headwater Research Llc Network service plan design
US10484858B2 (en) 2009-01-28 2019-11-19 Headwater Research Llc Enhanced roaming services and converged carrier networks with device assisted services and a proxy
US9557889B2 (en) 2009-01-28 2017-01-31 Headwater Partners I Llc Service plan design, user interfaces, application programming interfaces, and device management
US8793758B2 (en) 2009-01-28 2014-07-29 Headwater Partners I Llc Security, fraud detection, and fraud mitigation in device-assisted services systems
US11985155B2 (en) 2009-01-28 2024-05-14 Headwater Research Llc Communications device with secure data path processing agents
US9755842B2 (en) 2009-01-28 2017-09-05 Headwater Research Llc Managing service user discovery and service launch object placement on a device
US10057775B2 (en) 2009-01-28 2018-08-21 Headwater Research Llc Virtualized policy and charging system
US9572019B2 (en) 2009-01-28 2017-02-14 Headwater Partners LLC Service selection set published to device agent with on-device service selection
US9270559B2 (en) 2009-01-28 2016-02-23 Headwater Partners I Llc Service policy implementation for an end-user device having a control application or a proxy agent for routing an application traffic flow
US10237757B2 (en) 2009-01-28 2019-03-19 Headwater Research Llc System and method for wireless network offloading
US11218854B2 (en) 2009-01-28 2022-01-04 Headwater Research Llc Service plan design, user interfaces, application programming interfaces, and device management
US9980146B2 (en) 2009-01-28 2018-05-22 Headwater Research Llc Communications device with secure data path processing agents
US10264138B2 (en) 2009-01-28 2019-04-16 Headwater Research Llc Mobile device and service management
US10779177B2 (en) 2009-01-28 2020-09-15 Headwater Research Llc Device group partitions and settlement platform
US9647918B2 (en) 2009-01-28 2017-05-09 Headwater Research Llc Mobile device and method attributing media services network usage to requesting application
US8893009B2 (en) 2009-01-28 2014-11-18 Headwater Partners I Llc End user device that secures an association of application to service policy with an application certificate check
US10841839B2 (en) 2009-01-28 2020-11-17 Headwater Research Llc Security, fraud detection, and fraud mitigation in device-assisted services systems
US10715342B2 (en) 2009-01-28 2020-07-14 Headwater Research Llc Managing service user discovery and service launch object placement on a device
US10326800B2 (en) 2009-01-28 2019-06-18 Headwater Research Llc Wireless network service interfaces
US9351193B2 (en) 2009-01-28 2016-05-24 Headwater Partners I Llc Intermediate networking devices
US9954975B2 (en) 2009-01-28 2018-04-24 Headwater Research Llc Enhanced curfew and protection associated with a device group
US9955332B2 (en) 2009-01-28 2018-04-24 Headwater Research Llc Method for child wireless device activation to subscriber account of a master wireless device
US10064055B2 (en) 2009-01-28 2018-08-28 Headwater Research Llc Security, fraud detection, and fraud mitigation in device-assisted services systems
US10492102B2 (en) 2009-01-28 2019-11-26 Headwater Research Llc Intermediate networking devices
US10200541B2 (en) 2009-01-28 2019-02-05 Headwater Research Llc Wireless end-user device with divided user space/kernel space traffic policy system
US8745191B2 (en) 2009-01-28 2014-06-03 Headwater Partners I Llc System and method for providing user notifications
US9706061B2 (en) 2009-01-28 2017-07-11 Headwater Partners I Llc Service design center for device assisted services
US9253663B2 (en) 2009-01-28 2016-02-02 Headwater Partners I Llc Controlling mobile device communications on a roaming network based on device state
US8848635B2 (en) * 2009-05-20 2014-09-30 Telefonaktiebolaget L M Ericsson (Publ) Systems and method for communicating priority information for use in scheduling the transmission of data
US8223741B1 (en) 2009-07-01 2012-07-17 Sprint Communications Company L.P. Acting on data packets in a mobile telecommunications network based on inner headers
US20130060901A1 (en) * 2010-06-16 2013-03-07 Ervin Adrovic System for information management protection and routing
US9294380B2 (en) * 2010-07-09 2016-03-22 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for traffic classification
CA2806527A1 (en) 2010-07-26 2012-02-09 Seven Networks, Inc. Mobile network traffic coordination across multiple applications
US8838783B2 (en) 2010-07-26 2014-09-16 Seven Networks, Inc. Distributed caching for resource and mobile network traffic management
CN102378358B (zh) * 2010-08-12 2015-09-16 中兴通讯股份有限公司 一种实现多连接的架构及方法
US8843153B2 (en) 2010-11-01 2014-09-23 Seven Networks, Inc. Mobile traffic categorization and policy for network use optimization while preserving user experience
US8903954B2 (en) 2010-11-22 2014-12-02 Seven Networks, Inc. Optimization of resource polling intervals to satisfy mobile device requests
WO2012060995A2 (en) 2010-11-01 2012-05-10 Michael Luna Distributed caching in a wireless network of content delivered for a mobile application over a long-held request
EP2661697B1 (de) 2011-01-07 2018-11-21 Seven Networks, LLC System und verfahren zur reduzierung eines mobilnetzwerkverkehrs für domänennamensystem (dns)-anfragen
US9154826B2 (en) 2011-04-06 2015-10-06 Headwater Partners Ii Llc Distributing content and service launch objects to mobile devices
GB2517815A (en) 2011-04-19 2015-03-04 Seven Networks Inc Shared resource and virtual resource management in a networked environment
WO2012149434A2 (en) 2011-04-27 2012-11-01 Seven Networks, Inc. Detecting and preserving state for satisfying application requests in a distributed proxy and cache system
GB2504037B (en) 2011-04-27 2014-12-24 Seven Networks Inc Mobile device which offloads requests made by a mobile application to a remote entity for conservation of mobile device and network resources
EP2789137A4 (de) 2011-12-06 2015-12-02 Seven Networks Inc System aus redundant gruppierten maschinen zur bereitstellung von ausfallsicherungsmechanismen für mobile verkehrsverwaltung und netzwerkressourcenbewahrung
US8934414B2 (en) 2011-12-06 2015-01-13 Seven Networks, Inc. Cellular or WiFi mobile traffic optimization based on public or private network destination
WO2013086455A1 (en) 2011-12-07 2013-06-13 Seven Networks, Inc. Flexible and dynamic integration schemas of a traffic management system with various network operators for network traffic alleviation
US9277443B2 (en) 2011-12-07 2016-03-01 Seven Networks, Llc Radio-awareness of mobile device for sending server-side control signals using a wireless network optimized transport protocol
EP2792188B1 (de) 2011-12-14 2019-03-20 Seven Networks, LLC Mobilfunknetzbenachrichtigung und nutzungsanalysesystem sowie verfahren mittels aggregation von daten in einem verteilten verkehrsoptimierungssystem
US8861354B2 (en) 2011-12-14 2014-10-14 Seven Networks, Inc. Hierarchies and categories for management and deployment of policies for distributed wireless traffic optimization
GB2502168A (en) * 2011-12-14 2013-11-20 Seven Networks Inc Wireless traffic optimisation defined by hierarchy of global, device dependent and user dependent policies
WO2013103988A1 (en) 2012-01-05 2013-07-11 Seven Networks, Inc. Detection and management of user interactions with foreground applications on a mobile device in distributed caching
KR102111809B1 (ko) * 2012-03-14 2020-05-18 헤드워터 리서치 엘엘씨 동적으로 선택된 액세스 네트워크를 통한 이동 디바이스 활성화
US8812695B2 (en) 2012-04-09 2014-08-19 Seven Networks, Inc. Method and system for management of a virtual network connection without heartbeat messages
US10263899B2 (en) 2012-04-10 2019-04-16 Seven Networks, Llc Enhanced customer service for mobile carriers using real-time and historical mobile application and traffic or optimization data associated with mobile devices in a mobile network
WO2014011216A1 (en) 2012-07-13 2014-01-16 Seven Networks, Inc. Dynamic bandwidth adjustment for browsing or streaming activity in a wireless network based on prediction of user behavior when interacting with mobile applications
US9161258B2 (en) 2012-10-24 2015-10-13 Seven Networks, Llc Optimized and selective management of policy deployment to mobile clients in a congested network to prevent further aggravation of network congestion
US9271188B2 (en) 2012-12-18 2016-02-23 At&T Intellectual Property I, L.P. Dynamic in-band service control mechanism in mobile network
US9307493B2 (en) 2012-12-20 2016-04-05 Seven Networks, Llc Systems and methods for application management of mobile device radio state promotion and demotion
US9271238B2 (en) 2013-01-23 2016-02-23 Seven Networks, Llc Application or context aware fast dormancy
US8874761B2 (en) 2013-01-25 2014-10-28 Seven Networks, Inc. Signaling optimization in a wireless network for traffic utilizing proprietary and non-proprietary protocols
KR102098807B1 (ko) * 2013-02-20 2020-05-26 주식회사 케이티 ISP 시스템의 QoS 서비스 제공방법,및 QoS 서비스 제공을 위한 ISP시스템의 IP 주소할당 서버
US9326185B2 (en) 2013-03-11 2016-04-26 Seven Networks, Llc Mobile network congestion recognition for optimization of mobile traffic
WO2014159862A1 (en) 2013-03-14 2014-10-02 Headwater Partners I Llc Automated credential porting for mobile devices
US9065765B2 (en) 2013-07-22 2015-06-23 Seven Networks, Inc. Proxy server associated with a mobile carrier for enhancing mobile traffic management in a mobile network
RU2660635C2 (ru) * 2014-03-14 2018-07-06 Хуавэй Текнолоджиз Ко., Лтд. Способ и устройство для управления цепочкой услуги потока услуги
US10805337B2 (en) * 2014-12-19 2020-10-13 The Boeing Company Policy-based network security
KR101564518B1 (ko) 2014-12-22 2015-10-29 고려대학교 산학협력단 네트워크 트래픽 탐지를 위한 규칙 자동 생성 방법 및 장치
EP3257195B1 (de) * 2015-02-09 2023-05-31 Telefonaktiebolaget LM Ericsson (publ) System zur verbesserten verkehrssteuerung in einem netzwerk
US10778589B2 (en) * 2016-06-30 2020-09-15 Parallel Wireless, Inc. Intelligent RAN flow management and distributed policy enforcement
US10523512B2 (en) 2017-03-24 2019-12-31 Cisco Technology, Inc. Network agent for generating platform specific network policies
US10868836B1 (en) * 2017-06-07 2020-12-15 Amazon Technologies, Inc. Dynamic security policy management
EP4008094A1 (de) * 2019-05-03 2022-06-08 Lenovo (Singapore) Pte. Ltd. Verfahren und vorrichtung zur bestimmung von gültigkeitsinformation für eine protokolldateneinheitssitzung
CN112532519B (zh) * 2020-12-21 2022-07-22 安徽皖通邮电股份有限公司 一种采用BGP Flow Specification控制数据流量行为的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7821926B2 (en) * 1997-03-10 2010-10-26 Sonicwall, Inc. Generalized policy server
US7644171B2 (en) * 2001-09-12 2010-01-05 Netmotion Wireless, Inc. Mobile networking system and method using IPv4 and IPv6
US6661780B2 (en) * 2001-12-07 2003-12-09 Nokia Corporation Mechanisms for policy based UMTS QoS and IP QoS management in mobile IP networks
US7230951B2 (en) * 2003-04-16 2007-06-12 Nortel Networks Limited Policy based mobile IP
FI20040583A0 (fi) * 2004-04-26 2004-04-26 Nokia Corp Sijainninseurantatiedon toimittaminen palvelujen valvontaa varten datapakettitietoon perustuvassa tietoliikenneverkossa

Also Published As

Publication number Publication date
WO2007082587A1 (en) 2007-07-26
EP1974560A1 (de) 2008-10-01
US8670333B2 (en) 2014-03-11
US20100284327A1 (en) 2010-11-11
EP1974560B1 (de) 2011-11-30

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