Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
  • H04L9/40—Network security protocols
• • 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
  • H04L67/04—Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
• • 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
  • 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
  • H04L67/1087—Peer-to-peer [P2P] networks using cross-functional networking aspects
  • H04L67/1093—Some peer nodes performing special functions
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
  • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
  • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
  • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
  • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]

Definitions

• the invention relates to a communication system, a peer-to-peer message filter computer and a method for processing a peer-to-peer message.
• peer-to-peer services are provided by computers coupled to one another by means of a fixed network communication network.
• Peer-to-peer computers are superior.
• the architecture in which superpeer computers are used in the context of peer-to-peer services is also referred to as a hybrid peer-to-peer computer architecture.
• the Superpeer computers are only available in the fixed network communication network. Communication in the fixed network communication network usually takes place in accordance with the Internet Protocol (IP) and the Transport Control Protocol (TCP) or the User Datagram Protocol (ÜDP) as well as in accordance with the peer-to-peer assigned to the particular peer-to-peer service used -Peer protocol.
• IP Internet Protocol
• TCP Transport Control Protocol
• ÜDP User Datagram Protocol
• a peer-to-peer service is to be used by the mobile radio terminal in the context of packet-switched communication with a mobile radio terminal
• the performance of a peer-to-peer service used by the latter essentially depends on where in the fixed network Communication network a Superpeer computer belonging to the respective service is arranged.
• peer-to-peer service data traffic that was generated by a mobile radio terminal, for example in the case of GPRS (General Packet Radio Service)
• the data packets of the data traffic must always be via the GGSN computer (gateway GPRS support diode computer) to into the IP-based landline communication network and, in the worst case, back into a mobile radio communication network.
• GGSN computer gateway GPRS support diode computer
• Impairment of other data traffic or the rest Voice traffic within the mobile communication network can lead.
• the basic principle of determining and arranging Superpeer computers in a landline communication network is known, for example, in architectures such as FastTrack or the Gnutella Reflector.
• a so-called reflector computer is installed at an access to a generally poorly connected modem sub-communication network, which reflector computer bundles request messages from the rest of the Internet-based communication network transparently for the user and, if possible, directly answered. Furthermore, the reflector computer buffers very frequently requested data, in other words, popular content, so that peer-to-peer computers, which only have a low-rate communication connection, are relieved.
• Such a reflector computer is usually used at network transition points such as. for example installed on intranet / internet gateway computers.
• the invention is based on the problem of improving the availability of Internet-based peer-to-peer services within a mobile radio communication network.
• the problem is solved by a communication system, a peer-to-peer message filter computer and by a method for processing a peer-to-peer message with the features according to the independent patent claims.
• a communication system has a fixed network communication network, a mobile radio communication network and a mobile radio network fixed network interface computer configured as a connection node between these communication networks, which is coupled to the fixed network communication network and the mobile radio communication network, the mobile radio network fixed network interfaces Computer is set up as a GGSN computer (gateway GPRS support node computer).
• the mobile radio network fixed network interface computer is set up to map a data stream coming in from the fixed network communication network to the communication protocol used in the mobile radio communication network and to map a data stream coming in from the mobile radio communication network to the data stream used in the fixed network communication network
• a superpeer computer is provided, which is coupled to the mobile network fixed-line interface computer.
• a peer-to-peer message filter is also arranged in the mobile radio communication network and is set up in such a way that peer-to-peer messages fed to the peer-to-peer message filter are determined from the mobile radio communication network and are fed to the Superpeer calculator. According to one embodiment, it is also provided that the communication from the fixed network communication network
• the peer-to-peer message filter is used, in which case the peer-to-peer message filter is set up in such a way that peer-to-peer-to-peer-to-filter supplied from the fixed network communication network Peer messages are determined and fed to a computer in the mobile radio communication network.
• a peer-to-peer message filter computer arranged in the mobile radio communication network is set up in such a way that peer-to-peer messages supplied to it are determined from a mobile radio communication network and a super peer computer which is connected to the peer to-peer message filter calculator is coupled, can be supplied.
• the invention can clearly be seen in the fact that Internet-based peer-to-peer messages are determined in the mobile radio communication network, or at least directly or from the point of view of the message flow, very close to the mobile radio communication network and a forwarding to a very close to the Cellular network landline interface computer arranged super peer computer takes place.
• the expression “close” is to be understood in such a way that the superpeer computer, that is to say a computer with superpeer functionality, communicates with the mobile network fixed-line interface computer by means of a communication link with a large available bandwidth, in other words using a optimized communication connection is coupled, for example in the immediate vicinity of the mobile network fixed-line interface computer, preferably by means of direct coupling without the intermediary of a further switching computer, with a dedicated connection to the Internet-based fixed network communication network.
• the peer-to-peer message filter computer and preferably also the super peer computer are arranged in the mobile radio communication network and are managed and operated by the mobile radio communication network operator.
• the superpeer computer is preferably arranged in the mobile radio communication network, for example in the core network (gore network) of the mobile radio communication network when using a third generation mobile radio network.
• the Superpeer computer can be addressed by an SGSN computer (Serving GPRS Support Node Computer) or a GGSN computer (Gateway GPRS Support Node Computer).
• SGSN computer Server GPRS Support Node Computer
• GGSN computer Gateway GPRS Support Node Computer
• the data traffic occurring in the core network of the mobile radio communication network is relieved by the early termination of peer-to-peer data traffic due to peer-to-peer messages which are often forwarded via a large number of peer-to-peer computers.
• the early termination is due in particular to the immediate proximity of the Superpeer rec ⁇ mer to the mobile network fixed network interface computer.
• the response times to peer-to-peer search request messages are shortened and the requested data are quickly available to the data-requesting mobile terminal, thereby improving the quality of service for a user of peer-to-peer services from a mobile communication terminal.
• the attractiveness and the additional earning opportunities for mobile radio communication network operators are increased by the selective offer for the use of own super peer computers.
• the embodiments of the invention described below relate both to the communication system, the peer-to-peer message filter computer and the method for processing a peer-to-peer message.
• the fixed network communication network is based on Internet protocols, that is to say in particular on the Internet Protocol (IP) and the Transport Control Protocol (TCP) or also the User Datagram Protocol (UDP).
• IP Internet Protocol
• TCP Transport Control Protocol
• UDP User Datagram Protocol
• the superpeer computer is preferably arranged in the mobile radio communication network.
• the message paths of peer-to-peer request messages which are sent by a mobile radio terminal are further shortened and it is prevented that a significant data stream is routed into the fixed network communication network and only after there Transmission via a plurality of switching computers and also fixed network peer-to-peer computers, a superpeer computer is determined in the fixed network communication network, which can process the peer-to-peer request message.
• the mobile radio communication network is based on one
• FPLMTS Future Public Land Mobile Telephone System
• the mobile radio communication network is set up in accordance with the Groupe Speciale Mobile (GSM) standard.
• GSM Groupe Speciale Mobile
• GGSN computer gateway support node computer
• an installation mechanism is provided with which a peer-to-peer service is installed in the superpeer computer if the corresponding peer-to-peer service has been requested sufficiently frequently by mobile radio terminals.
• Mobile terminal is in demand, can be determined with a counter provided for a respective offered peer-to-peer service in the super peer computer or in the peer-to-peer message filter computer.
• the respective peer-to-peer service is referred to in the superpeer computer, hereinafter also referred to as superpeer host.
• the respective counter of the peer-to-peer services is reset after a predetermined period of time, so that a demand rate is used as an installation criterion for the respective peer-to-peer service, in other words, a Peer-to-peer service is installed in the superpeer computer if more peer-to-peer requests from the mobile radio terminals in the mobile radio communication network are requested by the superpeer computer in a predetermined time interval than a predetermined threshold value provides for this.
• the figure shows a communication system 100 with a fixed network communication network 101 and a mobile radio communication network 102.
• a multiplicity of computers 103, 104, 105, 106, 107, 108, 109, 110 are provided in the fixed network communication network, which are coupled to one another by means of the fixed network communication network 101 and which, according to this exemplary embodiment, use the Internet Protocol (IP) and the Transport Control Protocol (TCP) use, in other words, the fixed network communication network 101 is based on Internet protocols.
• IP Internet Protocol
• TCP Transport Control Protocol
• peer-to-peer services are installed in the landline computers 103, 104, 105, 106, 107 in a freely definable manner and the landline computers 103, 104, 105 are in addition to the communication according to the respective peer-to-peer - Set up communication protocol so that they can provide and use peer-to-peer services.
• file sharing services or also services for providing files for example multimedia files, in particular audio files and / or video files and / or image files, are provided in the fixed network computers 103, 104, 105, according to this embodiment of
• Audio files containing phone ringtones are also stored in the fixed network computers 103, 104, 105.
• Peer-to-peer services according to the Gnutella peer-to-peer communication protocol or the FastTrack peer-to-peer communication protocol are preferably used. If FastTrack is used as the peer-to-peer communication protocol, the peer-to-peer services Imesh, Grokster or KaZaA based on this are provided, for example.
• any peer-to-peer services and peer-to-peer communication protocols can be used.
• superpeer computers 106, 107 are also provided, which superpeer for some or all of the peer-to-peer services available in the network.
• Have functionality i.e. e.g. serve as an index server for a respective peer-to-peer service.
• the fixed network computers 103, 104, 105 and the fixed network superpeer computers 106, 107 form a so-called generic peer-to-peer network 111, in other words a virtual network of computers which are configured according to the respective peer-to-peer Service or the respective peer-to-peer communication protocol can communicate with each other.
• a large number of mobile radio terminals 112 are provided in the mobile radio communication network 102, which are also used for Provision or for the use of peer-to-peer services are set up.
• the mobile radio terminals 112 are coupled via a radio link 113 to a base station 114 and by means of this to a SGSN computer 115 and above that to a GGSN computer 116, so that the mobile radio terminals 112 to the GGSN computer 116 messages in accordance with the respectively used mobile radio protocol can exchange.
• the mobile radio communication network 102 is set up in accordance with the UMTS standard.
• the GGSN computer 116 serves as a mobile network fixed-line interface computer and is set up to map a data stream coming from the fixed network communications network 101 onto the communication protocol used in the mobile communications network 102 on the one hand and on the other hand to map one of data stream incoming to the mobile radio communication network 102 onto the communication protocol used in the fixed network communication network 101 or its data formats.
• a peer-to-peer message filter 117 is provided in the GGSN computer 116, which can determine peer-to-peer messages in the message stream that enters the GGSN computer 116.
• the peer-to-peer request message 118 supplied to the GGSN computer 116 by a mobile radio terminal 112 is supplied and unpacked in the UMTS protocol format, generally in the 3GPP protocol format used in each case, that is, it is decoded so that the peer-to-peer request message is determined in the GGSN computer 116 at the protocol level of the OSI layer 7, that is to say the application layer, in accordance with the peer-to-peer communication protocol format used in each case.
• the specification of the port via which the peer-to-peer request message 118 was received by the GGSN computer 116 can be used as an identification criterion, since usually a port number is uniquely assigned to a peer-to-peer service.
• the GGSN computer 116 uses a mapping table in which all the peer-to-peer message filter 117 taken into account are specified, to determine by comparing the protocol formats whether and, if so, which peer-to-peer protocol format was used in the message and which peer-to-peer service was requested in the peer-to-peer request message 118.
• the GGSN computer 116 If the GGSN computer 116 can determine the respective peer-to-peer service, it forwards the decoded peer-to-peer request message 119 to a superpeer hosting server computer 120 coupled to the GGSN computer 116.
• the superpeer hosting server computer 120 is also arranged in the mobile radio communication network 102.
• the super peer hosting server computer 120 receives the decoded peer-to-peer request message 119 and determines whether it is the one requested in the peer-to-peer request message 119
• a specific telephone ringtone is requested by the mobile radio terminal 112 in the request message 119.
• the request message 118 is not changed at all, but is only unpacked, which is done in the GGSN computer 116 anyway.
• the peer-to-peer request message 119 is an IP-sent message with the destination address of any neighboring peer.
• the Superpeer hosting server computer 120 is nothing more than a simple IP router computer, with the difference that - as mentioned above - a counting mechanism runs which ensures that, after a certain popularity of a service, a Superpeer instance of the respective peer-to-peer service is installed on the Superpeer hosting server computer 120.
• Hosting server computer 120 is already set up in such a way that it understands a basic variant of the peer-to-peer communication protocol used, i.e. can process this. In this case, depending on the peer-to-peer communication protocol used, it should be ensured that 1. a superpeer instance of the respective peer-to-peer service is installed (see above) and 2. this superpeer with the IP address is made known by the Superpeer hosting server computer 120 and / or the mobile terminals 112. The procedure in this case depends on the protocol.
• the superpeer selection algorithm of a specific peer-to-peer communication protocol is sufficiently intelligent, the superpeer is automatically found in the superpeer hosting server computer 120 after a certain time and made known to the mobile subscribers 112. From this moment on, the request messages 119 will always be addressed to the Superpeer hosting server computer 120.
• the peer-to-peer message filter 117 there are the following tasks for the peer-to-peer message filter 117: 1. determining the popularity of a peer-to-peer service; 2. from a certain popularity of a peer-to-peer service, initiation of an installation of a superpeer instance of this peer-to-peer service on the superpeer host computer 120; 3. If necessary, discard all messages that are not addressed to a Superpeer instance in their own network, as explained in more detail below.
• the peer-to-peer protocol messages are already addressed to "any" IP addresses of "known" peers of a peer-to-peer service. These known peers are determined by the peer-to-peer software either with the help of so-called rendezvous server computers, which provide a list of "active" peers, or on the basis of preset addresses (configuration file), or on the basis of manual input by a user.
• So-called "redirector” instances offer such an exceptional case. These are protocol-specific and are roughly comparable to a rendezvous server computer. They are also addressed directly by peer-to-peer software on the end device, but can trigger the peers to take superpeers into account by means of certain messages (protocol-specific). According to the invention, there are thus the following options for integrating your own superpeer: 1. Rely on the intelligence of the protocol ⁇ automatically). 2. Supply the rendezvous server computer with the IP of your own super peer. 3. Provide modified versions of peer-to-peer software that already contain the address of your own super peer. 4. Make the address of your own super peer available for download on your own website for manual configuration of the peer-to-peer software. 5.
• the peer-to-peer software draws attention to one's own superpeer. 6.
• the filter discards all messages not addressed to the super peer. However, this only works if coupled with an above-mentioned method to advertise your own Superpeers to the end devices.
• the requested peer-to-peer service is thus provided to the mobile radio terminal 112.
• the procedure described above is also provided in the other communication direction, namely in the case of a request message from the fixed network communication network to the mobile radio communication network.
• the superpeer hosting server computer 120 directs it
• a counter is provided in the super peer hosting server computer 120 for each peer-to-peer service known to it, which counter for receiving the peer-to-peer request for the respective peer-to-peer service the value 1 is increased if the respective peer-to-peer service has not yet been installed on the superpeer hosting server computer 120.
• the peer-to-peer service which is thus sufficiently popular, is installed manually, preferably automatically, on the superpeer hosting server computer 120, preferably automatically.
• the service to be installed is configured in a manner and equipped with resources, for example with sufficient computing capacity, sufficiently fast, that is to say adequate large bandwidth provided communication link in the fixed network communication network and with sufficient memory that the instance of the respective peer-to-peer service rises within the entire peer-to-peer network to a super peer computer.
• peer-to-peer service when installed on the superpeer hosting server computer 120, the service is published on correspondingly provided World Wide Web pages of a peer-to-peer service or an entry is made so-called "rendezvous" server computers or in host caches.
• the mobile radio terminals 112, which want to use a specific peer-to-peer service, can also preferably, too are automatically informed about the presence of a super peer instance for the respective peer-to-peer service in the provider's own mobile radio communication network and are configured accordingly.
• the invention can clearly be seen in the fact that a superpeer computer is connected to a mobile radio communication network as optimally as possible or is already arranged in the mobile radio communication network 102 itself and is operated by the mobile radio network provider, so that a mobile radio terminal 109 transmits Peer-to-peer request messages are not transmitted into the entire, especially fixed-network-based, peer-to-peer network 111, but the messages are terminated as early as possible, thus reducing the data traffic that occurs.
• the invention is applicable both to peer-to-peer architectures with two hierarchy levels and to hybrid peer-to-peer architectures provided with any additional hierarchy levels.

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

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• 2003
  • 2003-07-10 DE DE10331305A patent/DE10331305A1/de not_active Withdrawn
• 2004
  • 2004-06-30 AU AU2004300728A patent/AU2004300728B2/en not_active Ceased
  • 2004-06-30 US US10/563,939 patent/US20060161670A1/en not_active Abandoned
  • 2004-06-30 BR BRPI0412469-3A patent/BRPI0412469A/pt not_active IP Right Cessation
  • 2004-06-30 MX MXPA06000315A patent/MXPA06000315A/es active IP Right Grant
  • 2004-06-30 JP JP2006518208A patent/JP2009514260A/ja active Pending
  • 2004-06-30 KR KR1020067000491A patent/KR100804348B1/ko not_active IP Right Cessation
  • 2004-06-30 UA UAA200512852A patent/UA82699C2/uk unknown
  • 2004-06-30 RU RU2006104002/09A patent/RU2317650C2/ru not_active IP Right Cessation
  • 2004-06-30 CN CNA2004800198356A patent/CN1823515A/zh active Pending
  • 2004-06-30 EP EP04766100A patent/EP1645102A1/de not_active Withdrawn
  • 2004-06-30 WO PCT/EP2004/051297 patent/WO2005006711A1/de active Search and Examination

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