DE3377046D1 - Time stamping for a packet switching system - Google Patents

Time stamping for a packet switching system

Info

Publication number
DE3377046D1
DE3377046D1 DE8383900516T DE3377046T DE3377046D1 DE 3377046 D1 DE3377046 D1 DE 3377046D1 DE 8383900516 T DE8383900516 T DE 8383900516T DE 3377046 T DE3377046 T DE 3377046T DE 3377046 D1 DE3377046 D1 DE 3377046D1
Authority
DE
Germany
Prior art keywords
switching system
packet switching
time stamping
stamping
time
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.)
Expired
Application number
DE8383900516T
Other languages
English (en)
Inventor
Warren Allen Montgomery
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of DE3377046D1 publication Critical patent/DE3377046D1/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/25Routing or path finding in a switch fabric
    • H04L49/253Routing or path finding in a switch fabric using establishment or release of connections between ports
    • H04L49/254Centralised controller, i.e. arbitration or scheduling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/10Packet switching elements characterised by the switching fabric construction
    • H04L49/113Arrangements for redundant switching, e.g. using parallel planes
    • H04L49/118Address processing within a device, e.g. using internal ID or tags for routing within a switch
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/15Interconnection of switching modules
    • H04L49/1507Distribute and route fabrics, e.g. sorting-routing or Batcher-Banyan
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/20Support for services
    • H04L49/205Quality of Service based
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/55Prevention, detection or correction of errors
    • H04L49/555Error detection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/54Store-and-forward switching systems 
    • H04L12/56Packet switching systems
    • H04L12/5601Transfer mode dependent, e.g. ATM
    • H04L2012/5638Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5649Cell delay or jitter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/10Packet switching elements characterised by the switching fabric construction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/30Peripheral units, e.g. input or output ports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00Packet switching elements
    • H04L49/50Overload detection or protection within a single switching element
    • H04L49/501Overload detection
DE8383900516T 1982-06-25 1983-01-12 Time stamping for a packet switching system Expired DE3377046D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/392,377 US4506358A (en) 1982-06-25 1982-06-25 Time stamping for a packet switching system
PCT/US1983/000045 WO1984000268A1 (en) 1982-06-25 1983-01-12 Time stamping for a packet switching system

Publications (1)

Publication Number Publication Date
DE3377046D1 true DE3377046D1 (en) 1988-07-14

Family

ID=23550340

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383900516T Expired DE3377046D1 (en) 1982-06-25 1983-01-12 Time stamping for a packet switching system

Country Status (6)

Country Link
US (1) US4506358A (de)
EP (1) EP0112338B1 (de)
JP (1) JPS59501039A (de)
CA (1) CA1203874A (de)
DE (1) DE3377046D1 (de)
WO (1) WO1984000268A1 (de)

Families Citing this family (126)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4905219A (en) * 1983-09-22 1990-02-27 Aetna Life Insurance Company Three level distributed control for networking I/O devices
US4577308A (en) * 1984-04-06 1986-03-18 At&T Bell Laboratories Multiplexed interconnection of packet switching node packages
US4627048A (en) * 1984-10-09 1986-12-02 At&T Bell Laboratories Routing address bit selection in a packet switching network
US4646294A (en) * 1985-08-02 1987-02-24 Gte Laboratories Incorporated High-speed queue sequencer for a burst-switching communications system
US4698803A (en) * 1985-08-02 1987-10-06 Gte Laboratories Incorporated Burst-switching communications system
US4710916A (en) * 1985-08-02 1987-12-01 Gte Laboratories Incorporated Switching apparatus for burst-switching communications system
US4703478A (en) * 1985-08-02 1987-10-27 Gte Laboratories Incorporated Burst-switching method for an integrated communications system
US4698799A (en) * 1985-08-02 1987-10-06 Gte Laboratories Incorporated Link switch for a burst-switching communications system
US4644529A (en) * 1985-08-02 1987-02-17 Gte Laboratories Incorporated High-speed switching processor for a burst-switching communications system
US4698841A (en) * 1985-08-02 1987-10-06 Gte Laboratories, Incorporated Methods of establishing and terminating connections in a distributed-control burst switching communications system
US4707825A (en) * 1985-08-02 1987-11-17 Gte Laboratories Incorporated Methods of installing and assigning control processors in a distributed-control communications system
US4679189A (en) * 1985-11-27 1987-07-07 American Telephone And Telegraph Company Alternate routing arrangement
US4703477A (en) * 1986-02-28 1987-10-27 American Telephone And Telegraph Company At&T Bell Laboratories Packet information field data format
US4748620A (en) * 1986-02-28 1988-05-31 American Telephone And Telegraph Company, At&T Bell Laboratories Time stamp and packet virtual sequence numbering for reconstructing information signals from packets
US4726019A (en) * 1986-02-28 1988-02-16 American Telephone And Telegraph Company, At&T Bell Laboratories Digital encoder and decoder synchronization in the presence of late arriving packets
US4774496A (en) * 1986-02-28 1988-09-27 American Telephone And Telegraph Company, At&T Bell Laboratories Digital encoder and decoder synchronization in the presence of data dropouts
US4920534A (en) * 1986-02-28 1990-04-24 At&T Bell Laboratories System for controllably eliminating bits from packet information field based on indicator in header and amount of data in packet buffer
US4894823A (en) * 1986-02-28 1990-01-16 American Telephone And Telegraph Company Time stamping for packet system nodes
CA1277750C (en) * 1986-02-28 1990-12-11 Harry William Adelmann Time stamping for packet system nodes
US4769815A (en) * 1987-04-10 1988-09-06 American Telephone And Telegraph Company, At&T Bell Laboratories Packet flow control method
US5101348A (en) * 1988-06-23 1992-03-31 International Business Machines Corporation Method of reducing the amount of information included in topology database update messages in a data communications network
DE68920748T2 (de) * 1989-08-09 1995-06-29 Alcatel Nv Sequentielle rückordnung für einen vermittlungsknoten.
US5243342A (en) * 1990-09-28 1993-09-07 Stratacom, Inc. Integrated PCM level control and conversion using a lookup table
WO1992016066A1 (en) * 1991-02-28 1992-09-17 Stratacom, Inc. Method and apparatus for routing cell messages using delay
US5568403A (en) * 1994-08-19 1996-10-22 Thomson Consumer Electronics, Inc. Audio/video/data component system bus
US5224099A (en) * 1991-05-17 1993-06-29 Stratacom, Inc. Circuitry and method for fair queuing and servicing cell traffic using hopcounts and traffic classes
GB2261799B (en) * 1991-11-23 1995-04-19 Dowty Communications Ltd Packet transmission system
JPH0787459B2 (ja) * 1992-02-28 1995-09-20 株式会社東芝 Atmトラヒック評価装置
US5313454A (en) * 1992-04-01 1994-05-17 Stratacom, Inc. Congestion control for cell networks
GB2267200B (en) * 1992-05-19 1995-10-25 Dowty Communications Ltd Packet transmission system
US5590366A (en) * 1992-05-27 1996-12-31 Digital Equipment Corporation Packet forwarding system for measuring the age of data packets flowing through a computer network
US5486864A (en) * 1993-05-13 1996-01-23 Rca Thomson Licensing Corporation Differential time code method and apparatus as for a compressed video signal
US6738357B1 (en) * 1993-06-09 2004-05-18 Btg International Inc. Method and apparatus for multiple media digital communication system
US5442390A (en) * 1993-07-07 1995-08-15 Digital Equipment Corporation Video on demand with memory accessing and or like functions
EP0639909A1 (de) * 1993-08-17 1995-02-22 ALCATEL BELL Naamloze Vennootschap System zur Wiederherstellung der Reihenfolge
US5467342A (en) * 1994-01-12 1995-11-14 Scientific-Atlanta, Inc. Methods and apparatus for time stamp correction in an asynchronous transfer mode network
US5555288A (en) * 1994-04-12 1996-09-10 Voicetek Corporation Voice processing system with a configurable telephone line interface
US5649110A (en) * 1994-11-07 1997-07-15 Ben-Nun; Michael Traffic shaping system with virtual circuit table time stamps for asynchronous transfer mode networks
US5901149A (en) * 1994-11-09 1999-05-04 Sony Corporation Decode and encode system
US5793978A (en) * 1994-12-29 1998-08-11 Cisco Technology, Inc. System for routing packets by separating packets in to broadcast packets and non-broadcast packets and allocating a selected communication bandwidth to the broadcast packets
US5867666A (en) * 1994-12-29 1999-02-02 Cisco Systems, Inc. Virtual interfaces with dynamic binding
US5535193A (en) * 1995-02-09 1996-07-09 Wandel & Goltermann Technologies, Inc. Multiport analyzing with time stamp synchronizing
US5854898A (en) 1995-02-24 1998-12-29 Apple Computer, Inc. System for automatically adding additional data stream to existing media connection between two end points upon exchange of notifying and confirmation messages therebetween
US5555295A (en) * 1995-05-16 1996-09-10 At&T Corp. Service and information management system for a telecommunications network
US6097718A (en) 1996-01-02 2000-08-01 Cisco Technology, Inc. Snapshot routing with route aging
US6147996A (en) * 1995-08-04 2000-11-14 Cisco Technology, Inc. Pipelined multiple issue packet switch
US6182224B1 (en) 1995-09-29 2001-01-30 Cisco Systems, Inc. Enhanced network services using a subnetwork of communicating processors
US7246148B1 (en) 1995-09-29 2007-07-17 Cisco Technology, Inc. Enhanced network services using a subnetwork of communicating processors
US6917966B1 (en) 1995-09-29 2005-07-12 Cisco Technology, Inc. Enhanced network services using a subnetwork of communicating processors
US6091725A (en) 1995-12-29 2000-07-18 Cisco Systems, Inc. Method for traffic management, traffic prioritization, access control, and packet forwarding in a datagram computer network
US6035105A (en) * 1996-01-02 2000-03-07 Cisco Technology, Inc. Multiple VLAN architecture system
US5805569A (en) * 1996-04-30 1998-09-08 Telefonaktiebolaget Lm Ericsson Packet data communications system having a malfunction list
US6243667B1 (en) 1996-05-28 2001-06-05 Cisco Systems, Inc. Network flow switching and flow data export
US6308148B1 (en) 1996-05-28 2001-10-23 Cisco Technology, Inc. Network flow data export
US6212182B1 (en) 1996-06-27 2001-04-03 Cisco Technology, Inc. Combined unicast and multicast scheduling
US6434120B1 (en) * 1998-08-25 2002-08-13 Cisco Technology, Inc. Autosensing LMI protocols in frame relay networks
US5802042A (en) * 1996-06-28 1998-09-01 Cisco Systems, Inc. Autosensing LMI protocols in frame relay networks
US6016307A (en) 1996-10-31 2000-01-18 Connect One, Inc. Multi-protocol telecommunications routing optimization
US6473404B1 (en) * 1998-11-24 2002-10-29 Connect One, Inc. Multi-protocol telecommunications routing optimization
US6304546B1 (en) 1996-12-19 2001-10-16 Cisco Technology, Inc. End-to-end bidirectional keep-alive using virtual circuits
US6122272A (en) * 1997-05-23 2000-09-19 Cisco Technology, Inc. Call size feedback on PNNI operation
US6356530B1 (en) 1997-05-23 2002-03-12 Cisco Technology, Inc. Next hop selection in ATM networks
JP3337945B2 (ja) * 1997-05-27 2002-10-28 沖電気工業株式会社 コネクション管理方法及び管理システム
US6862284B1 (en) 1997-06-17 2005-03-01 Cisco Technology, Inc. Format for automatic generation of unique ATM addresses used for PNNI
US6011851A (en) * 1997-06-23 2000-01-04 Cisco Technology, Inc. Spatial audio processing method and apparatus for context switching between telephony applications
US6078590A (en) * 1997-07-14 2000-06-20 Cisco Technology, Inc. Hierarchical routing knowledge for multicast packet routing
US6512766B2 (en) 1997-08-22 2003-01-28 Cisco Systems, Inc. Enhanced internet packet routing lookup
US6157641A (en) * 1997-08-22 2000-12-05 Cisco Technology, Inc. Multiprotocol packet recognition and switching
US6212183B1 (en) 1997-08-22 2001-04-03 Cisco Technology, Inc. Multiple parallel packet routing lookup
US6343072B1 (en) 1997-10-01 2002-01-29 Cisco Technology, Inc. Single-chip architecture for shared-memory router
US7570583B2 (en) * 1997-12-05 2009-08-04 Cisco Technology, Inc. Extending SONET/SDH automatic protection switching
US6252855B1 (en) 1997-12-22 2001-06-26 Cisco Technology, Inc. Method and apparatus for identifying a maximum frame size to maintain delay at or below an acceptable level
US6111877A (en) 1997-12-31 2000-08-29 Cisco Technology, Inc. Load sharing across flows
US6424649B1 (en) 1997-12-31 2002-07-23 Cisco Technology, Inc. Synchronous pipelined switch using serial transmission
US6373821B2 (en) * 1998-02-20 2002-04-16 Apple Computer, Inc. Method for setting time stamp in SYT field of packet headers for IEEE-1394 devices
US6853638B2 (en) * 1998-04-01 2005-02-08 Cisco Technology, Inc. Route/service processor scalability via flow-based distribution of traffic
US7272298B1 (en) * 1998-05-06 2007-09-18 Burst.Com, Inc. System and method for time-shifted program viewing
US6188760B1 (en) 1998-05-08 2001-02-13 Cisco Technology, Inc. Signaling state management system for packet network gateways
AUPP362498A0 (en) * 1998-05-19 1998-06-11 Curtin University Of Technology Method and apparatus for transfer of real time signals over packet network
US6754224B1 (en) 1998-06-24 2004-06-22 Cisco Technology, Inc. Method and apparatus for multicast call signaling in packet network
US6920112B1 (en) 1998-06-29 2005-07-19 Cisco Technology, Inc. Sampling packets for network monitoring
US6370121B1 (en) 1998-06-29 2002-04-09 Cisco Technology, Inc. Method and system for shortcut trunking of LAN bridges
US6377577B1 (en) 1998-06-30 2002-04-23 Cisco Technology, Inc. Access control list processing in hardware
US6233389B1 (en) * 1998-07-30 2001-05-15 Tivo, Inc. Multimedia time warping system
US7558472B2 (en) 2000-08-22 2009-07-07 Tivo Inc. Multimedia signal processing system
US8577205B2 (en) * 1998-07-30 2013-11-05 Tivo Inc. Digital video recording system
US8380041B2 (en) * 1998-07-30 2013-02-19 Tivo Inc. Transportable digital video recorder system
US6308219B1 (en) 1998-07-31 2001-10-23 Cisco Technology, Inc. Routing table lookup implemented using M-trie having nodes duplicated in multiple memory banks
US6182147B1 (en) 1998-07-31 2001-01-30 Cisco Technology, Inc. Multicast group routing using unidirectional links
US6389506B1 (en) 1998-08-07 2002-05-14 Cisco Technology, Inc. Block mask ternary cam
US6101115A (en) * 1998-08-07 2000-08-08 Cisco Technology, Inc. CAM match line precharge
US6603774B1 (en) 1998-10-09 2003-08-05 Cisco Technology, Inc. Signaling and handling method for proxy transcoding of encoded voice packets in packet telephony applications
US6466548B1 (en) 1998-10-28 2002-10-15 Cisco Technology, Inc. Hop by hop quality of service measurement system
US7233605B1 (en) 1998-11-30 2007-06-19 Cisco Technology, Inc. Method and apparatus for minimizing delay induced by DTMF processing in packet telephony systems
US6775265B1 (en) 1998-11-30 2004-08-10 Cisco Technology, Inc. Method and apparatus for minimizing delay induced by DTMF processing in packet telephony systems
US6260071B1 (en) * 1999-01-04 2001-07-10 Cisco Technology, Inc. Method and apparatus for automatic routing of circuit switched data connections based upon stored behavorial information
US6785267B1 (en) 1999-01-04 2004-08-31 Cisco Technology, Inc. Access and control system for enhanced audio capabilities in an integrated telephony/high speed data access device
US6771642B1 (en) 1999-01-08 2004-08-03 Cisco Technology, Inc. Method and apparatus for scheduling packets in a packet switch
US7065762B1 (en) 1999-03-22 2006-06-20 Cisco Technology, Inc. Method, apparatus and computer program product for borrowed-virtual-time scheduling
US6757791B1 (en) 1999-03-30 2004-06-29 Cisco Technology, Inc. Method and apparatus for reordering packet data units in storage queues for reading and writing memory
US6603772B1 (en) 1999-03-31 2003-08-05 Cisco Technology, Inc. Multicast routing with multicast virtual output queues and shortest queue first allocation
US6760331B1 (en) 1999-03-31 2004-07-06 Cisco Technology, Inc. Multicast routing with nearest queue first allocation and dynamic and static vector quantization
GB2356100B (en) * 1999-11-05 2004-02-25 Sony Uk Ltd Data format and data transfer
US6778493B1 (en) 2000-02-07 2004-08-17 Sharp Laboratories Of America, Inc. Real-time media content synchronization and transmission in packet network apparatus and method
US6850496B1 (en) 2000-06-09 2005-02-01 Cisco Technology, Inc. Virtual conference room for voice conferencing
US6850980B1 (en) 2000-06-16 2005-02-01 Cisco Technology, Inc. Content routing service protocol
US7111058B1 (en) 2000-06-28 2006-09-19 Cisco Technology, Inc. Server and method for transmitting streaming media to client through a congested network
US7411981B1 (en) 2000-08-31 2008-08-12 Cisco Technology, Inc. Matching of radius request and response packets during high traffic volume
US6771665B1 (en) 2000-08-31 2004-08-03 Cisco Technology, Inc. Matching of RADIUS request and response packets during high traffic volume
US7095741B1 (en) * 2000-12-20 2006-08-22 Cisco Technology, Inc. Port isolation for restricting traffic flow on layer 2 switches
US20070230921A1 (en) * 2001-04-05 2007-10-04 Barton James M Multimedia time warping system
US7076543B1 (en) 2002-02-13 2006-07-11 Cisco Technology, Inc. Method and apparatus for collecting, aggregating and monitoring network management information
US7570584B1 (en) 2002-03-29 2009-08-04 Cisco Technology, Inc. Network-wide congestion control of SPVC signaling messages
SE525183C2 (sv) * 2002-04-04 2004-12-21 Xelerated Ab Förfarande och medel för behandling med pipelining av datapaket
US7656861B2 (en) 2004-07-09 2010-02-02 Cisco Technology, Inc. Method and apparatus for interleaving text and media in a real-time transport session
US9967534B1 (en) 2004-11-19 2018-05-08 Tivo Solutions Inc. Digital video recorder video editing system
US7660252B1 (en) * 2005-03-17 2010-02-09 Cisco Technology, Inc. System and method for regulating data traffic in a network device
US7792143B1 (en) 2005-03-25 2010-09-07 Cisco Technology, Inc. Method and apparatus for interworking dissimilar text phone protocols over a packet switched network
US7885396B2 (en) * 2005-06-23 2011-02-08 Cisco Technology, Inc. Multiple simultaneously active telephone calls
WO2007008841A2 (en) 2005-07-07 2007-01-18 Burst.Com, Inc. System and method for digital content retrieval
US7710959B2 (en) * 2006-08-29 2010-05-04 Cisco Technology, Inc. Private VLAN edge across multiple switch modules
US8619586B2 (en) * 2009-10-15 2013-12-31 Cisco Technology, Inc. System and method for providing troubleshooting in a network environment
US8531987B2 (en) 2009-12-29 2013-09-10 Telecom Italia S.P.A. Performing a time measurement in a communication network
US9628294B1 (en) 2011-03-23 2017-04-18 Amazon Technologies, Inc. Methods and apparatus for remapping public network addresses on a network to an external network via a private communications channel
US8751691B1 (en) * 2011-03-23 2014-06-10 Amazon Technologies, Inc. Methods and apparatus for remapping public network addresses on a network to an external network via an intermediate network
US9197691B2 (en) * 2011-10-04 2015-11-24 Google Technology Holdings LLC System and method for latency measurement at each network element participating as an RTP relay in a telecommunication network

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058680A (en) * 1976-12-06 1977-11-15 Bell Telephone Laboratories, Incorporated Telephone message timing system
US4100377A (en) * 1977-04-28 1978-07-11 Bell Telephone Laboratories, Incorporated Packet transmission of speech
IT1108325B (it) * 1978-04-10 1985-12-09 Cselt Centro Studi Lab Telecom Procedimento e dispositivo di in stradamento per una rete di comunicazione a commutazione di pacchetto
IT1118518B (it) * 1979-03-27 1986-03-03 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la ricostruzione del segnale vocale in un sistema di comunicazione a commutazione di pacchetto
JPS56110370A (en) * 1980-02-05 1981-09-01 Hitachi Ltd Packet exchange system
US4399531A (en) * 1980-09-29 1983-08-16 Rockwell International Corporation Distributed digital data communications network

Also Published As

Publication number Publication date
EP0112338A1 (de) 1984-07-04
EP0112338B1 (de) 1988-06-08
JPS59501039A (ja) 1984-06-07
WO1984000268A1 (en) 1984-01-19
CA1203874A (en) 1986-04-29
US4506358A (en) 1985-03-19

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Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee