EP1917785A1 - Procede et systeme pour controler et facturer des services d'egal a egal (p2p) dans un reseau de communication ip - Google Patents

Procede et systeme pour controler et facturer des services d'egal a egal (p2p) dans un reseau de communication ip

Info

Publication number
EP1917785A1
EP1917785A1 EP06777812A EP06777812A EP1917785A1 EP 1917785 A1 EP1917785 A1 EP 1917785A1 EP 06777812 A EP06777812 A EP 06777812A EP 06777812 A EP06777812 A EP 06777812A EP 1917785 A1 EP1917785 A1 EP 1917785A1
Authority
EP
European Patent Office
Prior art keywords
service
specific
access control
terminal
billing
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP06777812A
Other languages
German (de)
English (en)
Inventor
Wolfgang Hahn
Frank-Uwe Andersen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Solutions and Networks GmbH and Co KG
Original Assignee
Nokia Siemens Networks GmbH and Co KG
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 Nokia Siemens Networks GmbH and Co KG filed Critical Nokia Siemens Networks GmbH and Co KG
Publication of EP1917785A1 publication Critical patent/EP1917785A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1403—Architecture for metering, charging or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8066—According to the number of recipients
    • H04M15/8077—Group MMS or SMS; Point-to-multi-point services or broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H04L67/1061—Peer-to-peer [P2P] networks using node-based peer discovery mechanisms
    • H04L67/1063—Discovery through centralising entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/204—UMTS; GPRS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/74—Rating aspects, e.g. rating parameters or tariff determination apects
    • H04M2215/7478—According to the number of recipients
    • H04M2215/7492—Group MMS or SMS; Point-to-multi-point services, broadcast services

Definitions

  • the present invention relates to a method and an arrangement for controlling and charging peer-to-peer services in an IP-based communication network according to independent claims 1 and 17.
  • Peer to peer or P2P networks are network systems without central access control, in which all participating devices act on an equal footing.
  • a data connection is always at a logical level directly from one terminal to another without interposition of, for example, a network server.
  • P2P technology enables the distributed delivery of data over a network.
  • the P2P technology is mainly used for so-called file sharing, in which a large number are largely anonymous
  • An advantage of the P2P technology is the decentralized data storage, since the data lies on the participating terminals and not on one or more central servers. Furthermore, in P2P networks, all participating subscribers have equal rights with their end devices: each subscriber in the network can offer functions and services to each other subscriber and, on the other hand, use functions and services offered by other subscribers.
  • P2P traffic in mobile networks include fear of virus or hacking attacks, as well as possible "charging attacks" where an end user can incur costs at another end user by sending unsolicited data packets to that other end user for which the other end user charges fees.
  • P2P file sharing exchanges represent the type of a hybrid P2P network in which certain functions such as content search or search for content providers are partly or exclusively implemented centrally. This is done, for example, by means of a so-called P2P index server, that of all participants
  • Indexed content Downloading the content data is done remotely via direct P2P connections between the terminals of the P2P subscribers, although downloading from multiple sources also plays an important role at the same time.
  • Other P2P systems are known in which all functions are implemented decentrally.
  • a P2P system in a mobile network must cope with the multitude of different communication relationships that can come about for a single download.
  • inquiries to new or other mobile P2P subscribers will be sent very frequently and in rapid succession, charging and exchange processes will be triggered as often, and, above all, the online status of the participating terminals will also be varied.
  • the latter is also referred to as "churn rate" in connection with P2P.
  • the mobile P2P churn rate in contrast to the one in fixed network P2P, is very high and represents one of the biggest problems with mobile P2P services:
  • the P2P index server can not identify all the direct P2P connections of the participating terminals with each other, since the end devices negotiate these connections directly without informing the P2P index server. In the event that all direct P2P connections were reported to the P2P index server, there would be a very high level of dynamic overhead due to the large number of connections possible for each downloading operation.
  • the direct P2P connections relating to a downloading operation may change in the course of the process, for example one of the terminals that provide the data to download, which terminates the connection to the communications network. f) It must be possible to determine the termination of a P2P session of a subscriber by the P2P index server, for example, in order to withdraw the permission for the corresponding P2P service in the network of the MNO from the corresponding subscriber.
  • a possible solution would be to use a special access point name (APN) for the IP traffic of mobile subscribers among themselves.
  • the APN represents an access point (gateway), through which it is possible to access external networks and, for example, to obtain WAP or Internet access.
  • APN the control function described under point a) would not be realized, although the IP traffic over that APN could be specifically billed.
  • a special APN is also undesirable because of the additional administrative effort required by the MNO.
  • PDP Packet Data Protocol
  • the object of the invention is to design a method and an arrangement which enable P2P services in an IP-based communication network taking into account the problems described under a) to f).
  • P2P services in an IP-based communication network, a server system and a plurality of terminals communicate with one another in the communication network.
  • a billing and access control rule function is used for billing and access control of communication traffic.
  • direct logical communication connections called P2P connections are used.
  • the software uses logical P2P service-specific communication channels on the terminals.
  • Each terminal communicates with the server system prior to establishing direct logical communication links to other terminals in the communication system.
  • the server system performs P2P service-specific access control for each terminal that communicates with the server system in cooperation with the billing and access control function.
  • the invention comprises an arrangement with means for carrying out the method described above.
  • the present invention has the advantage that the implementation of a P2P service by the MNO is simplified by the self-administration method according to the invention and the use of existing APNs. Likewise, the use of the service is simplified by the participants: It is sufficient if the MNO provides client software (for example, as a file download for the participants) and an index server. As a result, only minimal costs are incurred by the MNO. Despite the low effort, the MNO benefits from the new services offered by the increased traffic. The content is produced and distributed by the participants themselves.
  • the access control carried out by the server system and the billing and access control function takes place on the basis of a previously granted P2P service-specific authorization.
  • an IP traffic handling function in an access node of the communication network is used for subscriber-specific and terminal-specific differentiation and control of the P2P service-specific service data streams.
  • a charging and access control function is used for charging and access control of the communication traffic.
  • the server system exchanges terminal-specific and subscriber-specific information with the charging and access control rule function via an interface.
  • the billing and access control rule function generates P2P service-specific billing rules on the basis of the information received from the server system.
  • the billing and access control rule function verifies subscriber-specific whether a previously granted P2P service-specific authorization exists.
  • the P2P service-specific charging rules generated by the charging and access control function are loaded into the IP traffic handling function of the access node. In a further advantageous embodiment of the invention, the P2P service-specific charging rules generated by the charging and access control function function are used for terminal-specific charging and access control of the communication traffic.
  • each terminal notifies the server system of its locally available for downloading data.
  • each terminal receives information from the server system about data available for download on other terminals.
  • billing and access control function as part of the subscriber-specific P2P service-specific access control granted a terminal for a given period direct P2P connections to other terminals in the communication network.
  • the billing and access control rule function in the context of subscriber-specific P2P service-specific access control denies a terminal direct P2P connections to other terminals in the communication network.
  • the server system checks at predetermined intervals the P2P service-specific activity of each terminal previously authorized by the server system for direct logical P2P connections and extends the access grant for direct logical P2P connections for each active terminal by a predetermined period ,
  • the server system and the charging and charging access control function Terminal devices that have not performed any P2P service-specific actions over a period of time, direct logical P2P connections.
  • terminals which the server system has made possible direct logical P2P connections can establish direct logical P2P connections to other terminals which are likewise authorized to direct logical P2P connections and exchange data with these authorized terminals.
  • Fig. 1 Mobile radio communication system with two terminals Cl, C2 as P2P clients
  • Figure 1 illustrates an embodiment of the inventive method and arrangement for controlling and billing P2P services in IP-based communication networks.
  • the embodiment relates to a mobile 3GPP communication network of an MNO.
  • the invention is applicable to any type of IP-based communication network, for example, a landline.
  • the IP traffic handling function TPF is located in the access node GGSN (English abbreviation for Gateway GPRS Support Node): As soon as a terminal C1, C2 sets up an IP connection via the interface Gi to the Internet, the IP traffic handling function can TPF distinguish different service data streams based on packet filters within this IP connection. For example, the TPF can allow specific IP traffic or deliberately discard IP packets. Furthermore, the TPF can be used to count the data volume or the time of an IP connection in order to exchange this information, for example, via specific interfaces Ga, Gz. line charging system OffCS. In an online charging system OnCS, the TPF may calculate the calculated volume or the calculated time by communicating with the on-line charging system OnCS via the interface Gy from a time valid for a particular group of service data streams. Subtract data volume.
  • the access node GGSN is given as an example of an access node of a 3GPP mobile radio network.
  • analogue access nodes are conceivable, for example access gateways or access servers.
  • the TPF can be regarded as a so-called Policy Enforcement Point, which determines the decision of the control elements IS and CRF to be explained below by opening or
  • the P2P client software installed on the terminals C1, C2 transmits and receives P2P data streams exclusively on an MNO-specific port number.
  • a port number is a number that clearly indicates to which software within the communication network, based on a terminal, a data packet is to be transmitted.
  • it is, for example, the port number from the header of an IP packet or other information contained in each IP packet.
  • the P2P-specific service data streams of the participating terminals C1, C2 can be distinguished by the TPF from other service data streams. This is a prerequisite for P2P service-specific charging, as proposed according to the invention.
  • the service data streams are caused by P2P connections V between the terminals Cl, C2.
  • This P2P Connections represent logical connections between the terminals whose physical counterpart Gi always runs via a network access node GGSN in the communication network of the MNO.
  • FIG. 1 further illustrates the billing and access control rule function CRF.
  • the billing rules are stored in the CRF.
  • Charging rules determine how the different service data streams are handled by the TPF.
  • An essential part of a licensing rule is a packet filter which contains parameters for the description and identification of service data streams, in the present case IP data streams. The parameters relate to IP addresses and port numbers according to the invention. Other parameters are conceivable. Charging rules hang up
  • the form in which the respective IP data streams are to be charged is to be charged.
  • Possible forms of charging are, for example, online charging with the aid of an online charging system OnCS or offline charging with the aid of an off-line charging system OffCS as well as volume- and / or time-dependent charging.
  • the CRF loads the corresponding P2P service-specific charging rules via the interface Gx into the TPF. After the P2P service specific charging rules have been loaded into the GGSN's TPF, the P2P service specific service data streams caused by the terminal Cl, C2 may be canceled and controlled.
  • each participating terminal C1, C2 has to make contact with a P2P index server IS for the purpose of announcing downloadable data and / or for requesting downloadable data, which is the one of all
  • the CRF has an interface Rx to the P2P index server IS.
  • interface Rx to the P2P index server IS.
  • control parameters such as dynamic IP addresses of the terminals Cl, C2, which are known only to the P2P index server IS.
  • CRF and IS can be represented by an arrangement W.
  • CRF and IS can also be implemented functionally on separate systems.
  • the interface Rx between the CRF and the index server IS is used to grant access to the P2P service to the terminals C1, C2 and in this way exercise access control by the CRF.
  • this access control the following cases may occur:
  • the CRF receives the corresponding subscription information via an interface Dx to a database DB containing the subscriber database of the MNO is stored. 2. Participating terminals C1, C2 use the P2P
  • the CRF loads a P2P service specific charging rule into the TPF of the GGSN which records the IP traffic of the terminal C1, C2 to other terminals Cl, C2 in the communication network of the MNO in a specific IP address range for the specified port numbers of the P2P
  • the TPF thus denies terminals Cl, C2 access to the P2P service if the corresponding subscribers have not previously registered with the MNO for the P2P service and the CRF has thus not loaded a rule into the TPF that the terminals Cl, C2 allowed access to the P2P service.
  • a participating terminal C1, C2 contacts the P2P index server IS of the MNO as part of its already established IP context.
  • the P2P index server IS is located in an address range for MNO services and can thus be reached for each participating terminal C1, C2 in the communication network of the MNO.
  • a rule is active in the TPF, which generally allows the traffic from the terminals Cl, C2 to the server system IS.
  • the P2P index server IS sends the CRF, via the Rx interface, the information about the P2P service-specific port numbers and the IP address of the contacting terminal C1, C2.
  • the CRF generates a P2P service-specific charging rule and loads it via the interface Gx into the TPF of the GGSN.
  • the generated P2P service specific charging rule allows from this point on the P2P service specific IP traffic in the TPF.
  • Case 2 may be referred to as self-administration of the terminal C1, C2.
  • the CRF after receiving the information transmitted by the P2P index server IS, the CRF additionally checks whether a subscriber whose terminal C1, C2 contacts the P2P index server is logged on to the MNO's P2P service.
  • the CRF may deny access to the MNO's P2P service to connect such a terminal Cl, C2 to the MNO Example does not come in the benefit of a special billing.
  • the P2P index server IS assumes a P2P service-specific access control function: After accessing a terminal Cl, C2 to the P2P index server IS, the P2P index server IS enables the Terminal Cl, C2 for a given period access to the P2P service of the MNO and direct logical P2P connections V to other terminals Cl, C2 in the network.
  • the P2P index server IS collects presence information via the terminals C1, C2. This can be done, for example, by checking the activity of the terminals Cl, C2 on the P2P index server IS (for example, checking for
  • Other options include, for example, the direct demand at a participating in the P2P service terminal Cl, C2 to
  • the P2P index server IS does not detect a P2P service-specific activity of a terminal C1, C2 over an extended period, it informs the CRF via the interface Rx, which then causes the removal of the relevant P2P service-specific charging rule from the TPF via the interface Gx, to deny the terminal in question Cl, C2 further access to the P2P service. In this way, abuse of the MNO's P2P service can be restricted.
  • the server system IS and the billing and access control function CRF make a decision on the control level, which can also be called a policy decision.
  • the billing of the P2P service includes the following options:
  • the P2P service-specific IP traffic can be billed as normal MNO Internet traffic.
  • the function of the method described above is mainly to grant P2P service-specific IP traffic.
  • P2P service-specific IP traffic may cost less than the MNO's normal communications traffic: the MNO does not need to provide Internet access because all P2P service-specific IP traffic is over direct logical
  • P2P connections in its own network takes place. On the whole, this can positively contribute to an increase in the traffic volume in the communication network.
  • two terminals C1, C2 are involved in each direct logical P2P connection.
  • Billing can be charged to the MNO based on volumes of IP packets or duration of direct logical P2P connections.
  • charging may be cheaper or, for example, free of charge.
  • the one party of a direct P2P connection performing the download would incur the total cost of the direct logical P2P connection (session) involved. In this way, the provision of downloadable data could be rewarded and encouraged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'objectif de l'invention est de créer un procédé et un système permettant de mettre en oeuvre des services P2P dans un réseau de communication IP. Un trafic IP direct entre abonnés doit être autorisé de façon contrôlée uniquement pour certaines applications P2P prédéterminées par l'opérateur. Une tarification spéciale doit pouvoir être appliquée pour les abonnés aux services P2P. Il doit être possible de fixer la fin d'une session P2P d'un abonné pour retirer à l'abonné correspondant l'autorisation relative au service P2P correspondant dans le réseau de l'opérateur. A cet effet, des canaux de communication (V) logiques côté logiciel spécifiques des services P2P sont utilisés au niveau des terminaux (C1, C2), chaque terminal (C1, C2) communiquant avec un serveur d'indexation (IS) avant l'établissement de liaisons de communication (V) logiques directes avec d'autres terminaux (C1, C2) dans le système de communication et ce serveur d'indexation (IS) effectuant pour chaque terminal (C1, C2) un contrôle d'accès spécifique des services P2P conjointement avec la fonction de tarification et de régulation du contrôle d'accès (CRF).
EP06777812A 2005-08-10 2006-07-17 Procede et systeme pour controler et facturer des services d'egal a egal (p2p) dans un reseau de communication ip Withdrawn EP1917785A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005037874A DE102005037874B4 (de) 2005-08-10 2005-08-10 Verfahren und Anordnung zur Kontrolle und Vergebührung von Peer to Peer-Diensten in einem IP-basierten Kommunikationsnetzwerk
PCT/EP2006/064336 WO2007017345A1 (fr) 2005-08-10 2006-07-17 Procede et systeme pour controler et facturer des services d'egal a egal (p2p) dans un reseau de communication ip

Publications (1)

Publication Number Publication Date
EP1917785A1 true EP1917785A1 (fr) 2008-05-07

Family

ID=37037462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06777812A Withdrawn EP1917785A1 (fr) 2005-08-10 2006-07-17 Procede et systeme pour controler et facturer des services d'egal a egal (p2p) dans un reseau de communication ip

Country Status (7)

Country Link
US (1) US20100138226A1 (fr)
EP (1) EP1917785A1 (fr)
KR (1) KR20080037075A (fr)
CN (1) CN101371554A (fr)
DE (1) DE102005037874B4 (fr)
RU (1) RU2008108831A (fr)
WO (1) WO2007017345A1 (fr)

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CN101371554A (zh) 2009-02-18
RU2008108831A (ru) 2009-09-20
DE102005037874B4 (de) 2008-07-24
US20100138226A1 (en) 2010-06-03
WO2007017345A1 (fr) 2007-02-15
KR20080037075A (ko) 2008-04-29
DE102005037874A1 (de) 2007-02-15

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