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Volumn 57, Issue 11, 2010, Pages 3585-3595

The three generations of field-level networks - Evolution and compatibility issues

Author keywords

Automation networks; fieldbus systems; hybrid networks; industrial Ethernet; wireless networks

Indexed keywords

AUTOMATION NETWORKS; AUTOMATION SYSTEMS; BACKWARD COMPATIBILITY; BUILDING AUTOMATION; COMMUNICATION TECHNOLOGIES; DISTRIBUTED DEVICES; FIELD BUS SYSTEMS; HYBRID ARCHITECTURES; HYBRID NETWORK; INDUSTRIAL ENVIRONMENTS; INDUSTRIAL ETHERNETS; INDUSTRIAL WIRELESS NETWORK; MOBILE NODES; RADICAL INNOVATION; SEAMLESS ROAMING; THREE GENERATIONS; VERTICAL INTEGRATION;

EID: 77957990921     PISSN: 02780046     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIE.2010.2062473     Document Type: Article
Times cited : (205)

References (50)
  • 1
    • 33646743167 scopus 로고    scopus 로고
    • Fieldbus systems-History and evolution
    • R. Zurawski, Ed. Boca Raton, FL: CRC Press, ch. 7
    • T. Sauter, "Fieldbus systems-History and evolution", in The Industrial Communication Technology Handbook, R. Zurawski, Ed. Boca Raton, FL: CRC Press, 2005, ch. 7.
    • (2005) The Industrial Communication Technology Handbook
    • Sauter, T.1
  • 3
    • 0022990003 scopus 로고
    • Survey of LANs and standards
    • G. G. Wood, "Survey of LANs and standards", Comput. Standards Interfaces, vol. 6, no. 1, pp. 27-36, 1987.
    • (1987) Comput. Standards Interfaces , vol.6 , Issue.1 , pp. 27-36
    • Wood, G.G.1
  • 4
    • 0032681770 scopus 로고    scopus 로고
    • Fieldbuses and interoperability
    • Jan
    • J. P. Thomesse, "Fieldbuses and interoperability", Control Eng. Pract., vol. 7, no. 1, pp. 81-94, Jan. 1999.
    • (1999) Control Eng. Pract. , vol.7 , Issue.1 , pp. 81-94
    • Thomesse, J.P.1
  • 5
    • 34248660819 scopus 로고    scopus 로고
    • The continuing evolution of integration in manufacturing automation
    • Spring
    • T. Sauter, "The continuing evolution of integration in manufacturing automation", IEEE Ind. Electron. Mag., vol. 1, no. 1, pp. 10-19, Spring 2007.
    • (2007) IEEE Ind. Electron. Mag. , vol.1 , Issue.1 , pp. 10-19
    • Sauter, T.1
  • 6
    • 21644438416 scopus 로고    scopus 로고
    • Communication systems for building automation and control
    • Jun
    • W. Kastner, G. Neugschwandtner, S. Soucek, and H. M. Newman, "Communication systems for building automation and control", Proc. IEEE, vol. 93, no. 6, pp. 1178-1203, Jun. 2005.
    • (2005) Proc. IEEE , vol.93 , Issue.6 , pp. 1178-1203
    • Kastner, W.1    Neugschwandtner, G.2    Soucek, S.3    Newman, H.M.4
  • 7
    • 21744459249 scopus 로고    scopus 로고
    • Fieldbus technology in industrial automation
    • Jun
    • J. P. Thomesse, "Fieldbus technology in industrial automation", Proc. IEEE, vol. 93, no. 6, pp. 1073-1101, Jun. 2005.
    • (2005) Proc. IEEE , vol.93 , Issue.6 , pp. 1073-1101
    • Thomesse, J.P.1
  • 8
    • 0023965451 scopus 로고
    • The role of MAP in factory integration
    • Feb
    • H. A. Schutz, "The role of MAP in factory integration", IEEE Trans. Ind. Electron., vol. 35, no. 1, pp. 6-12, Feb. 1988.
    • (1988) IEEE Trans. Ind. Electron. , vol.35 , Issue.1 , pp. 6-12
    • Schutz, H.A.1
  • 9
    • 1442273822 scopus 로고    scopus 로고
    • The fieldbus war: History or short break between battles?
    • Västerås, Sweden
    • M. Felser and T. Sauter, "The fieldbus war: History or short break between battles?" in Proc. IEEE WFCS, Västerås, Sweden, 2002, pp. 73-80.
    • (2002) Proc. IEEE WFCS , pp. 73-80
    • Felser, M.1    Sauter, T.2
  • 10
    • 26944492655 scopus 로고    scopus 로고
    • Improving the real-time behaviour of Ethernet networks using traffic smoothing
    • Aug
    • L. Lo Bello, G. Kaczynski, and O. Mirabella, "Improving the real-time behaviour of Ethernet networks using traffic smoothing", IEEE Trans. Ind. Informat., vol. 1, no. 3, pp. 151-161, Aug. 2005.
    • (2005) IEEE Trans. Ind. Informat. , vol.1 , Issue.3 , pp. 151-161
    • Bello, L.L.1    Kaczynski, G.2    Mirabella, O.3
  • 11
    • 33645672593 scopus 로고    scopus 로고
    • Timeliness of real-time IP communication in switched industrial Ethernet networks
    • Feb
    • T. Skeie, S. Johannessen, and Ø. Holmeide, "Timeliness of real-time IP communication in switched industrial Ethernet networks", IEEE Trans. Ind. Informat., vol. 2, no. 1, pp. 25-39, Feb. 2006.
    • (2006) IEEE Trans. Ind. Informat. , vol.2 , Issue.1 , pp. 25-39
    • Skeie, T.1    Johannessen, S.2    Ø. Holmeide3
  • 12
    • 21644475498 scopus 로고    scopus 로고
    • Real-time Ethernet-Industry prospective
    • Jun
    • M. Felser, "Real-time Ethernet-Industry prospective", Proc. IEEE, vol. 93, no. 6, pp. 1118-1129, Jun. 2005.
    • (2005) Proc. IEEE , vol.93 , Issue.6 , pp. 1118-1129
    • Felser, M.1
  • 13
    • 21644477951 scopus 로고    scopus 로고
    • Ethernet-based real-time and industrial communications
    • Jun
    • J. D. Decotignie, "Ethernet-based real-time and industrial communications", Proc. IEEE, vol. 93, no. 6, pp. 1102-1117, Jun. 2005.
    • (2005) Proc. IEEE , vol.93 , Issue.6 , pp. 1102-1117
    • Decotignie, J.D.1
  • 14
    • 33847325162 scopus 로고    scopus 로고
    • PROFINET: An integration platform for heterogeneous industrial communication systems
    • ETFA, Catania, Italy
    • J. Jasperneite and J. Feld, "PROFINET: An integration platform for heterogeneous industrial communication systems", in Proc. IEEE Conf. ETFA, Catania, Italy, 2005, pp. 815-822.
    • (2005) Proc. IEEE Conf. , pp. 815-822
    • Jasperneite, J.1    Feld, J.2
  • 15
    • 17744392491 scopus 로고    scopus 로고
    • Standard for a precision clock synchronization protocol for networked measurement and control systems
    • Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems, IEEE Standard 1588, 2002.
    • (2002) IEEE Standard , vol.1588
  • 16
    • 17744369742 scopus 로고    scopus 로고
    • Enhancements to the time synchronization standard IEEE-1588 for a system of cascaded bridges
    • J. Jasperneite, K. Shehab, and K. Weber, "Enhancements to the time synchronization standard IEEE-1588 for a system of cascaded bridges", in Proc. IEEE WFCS, Vienna, Austria, 2004, pp. 239-244.
    • (2004) Proc. IEEE WFCS, Vienna, Austria , pp. 239-244
    • Jasperneite, J.1    Shehab, K.2    Weber, K.3
  • 17
    • 77952012307 scopus 로고    scopus 로고
    • Improving fault tolerance in high-precision clock synchronization
    • May
    • G. Gaderer, P. Loschmidt, and T. Sauter, "Improving fault tolerance in high-precision clock synchronization", IEEE Trans. Ind. Informat., vol. 6, no. 2, pp. 206-215, May 2010.
    • (2010) IEEE Trans. Ind. Informat. , vol.6 , Issue.2 , pp. 206-215
    • Gaderer, G.1    Loschmidt, P.2    Sauter, T.3
  • 18
    • 70349619163 scopus 로고    scopus 로고
    • Industrial wireless sensor networks: Challenges, design principles, and technical approaches
    • Oct
    • V. C. Gungor and G. P. Hancke, "Industrial wireless sensor networks: Challenges, design principles, and technical approaches", IEEE Trans. Ind. Electron., vol. 46, no. 10, pp. 4258-4265, Oct. 2009.
    • (2009) IEEE Trans. Ind. Electron. , vol.46 , Issue.10 , pp. 4258-4265
    • Gungor, V.C.1    Hancke, G.P.2
  • 19
    • 34547793537 scopus 로고    scopus 로고
    • VTP-CSMA: A virtual token passing approach for real-time communication in IEEE 802.11 wireless networks
    • Aug
    • R. Moraes, F. Vasques, P. Portugal, and J. A. Fonseca, "VTP-CSMA: A virtual token passing approach for real-time communication in IEEE 802.11 wireless networks", IEEE Trans. Ind. Informat., vol. 3, no. 3, pp. 215-224, Aug. 2007.
    • (2007) IEEE Trans. Ind. Informat. , vol.3 , Issue.3 , pp. 215-224
    • Moraes, R.1    Vasques, F.2    Portugal, P.3    Fonseca, J.A.4
  • 20
    • 50149096236 scopus 로고    scopus 로고
    • Applicability of RFID and agent-based control for product identification in distributed production
    • ETFA, Prague, Czech Republic
    • A. Bratukhin and A. Treytl, "Applicability of RFID and agent-based control for product identification in distributed production", in Proc. IEEE. Conf. ETFA, Prague, Czech Republic, 2006, pp. 1198-1205.
    • (2006) Proc. IEEE. Conf. , pp. 1198-1205
    • Bratukhin, A.1    Treytl, A.2
  • 21
    • 56349171362 scopus 로고    scopus 로고
    • A novel approach for flexible wireless automation in real-time environments
    • Germany
    • G. Gaderer, P. Loschmidt, and A. Mahmood, "A novel approach for flexible wireless automation in real-time environments", in Proc. IEEE WFCS, Dresden, Germany, 2008, pp. 81-84.
    • (2008) Proc. IEEE WFCS, Dresden , pp. 81-84
    • Gaderer, G.1    Loschmidt, P.2    Mahmood, A.3
  • 22
    • 77949892075 scopus 로고    scopus 로고
    • Towards new hybrid networks for industrial automation
    • Palma de Mallorca, Spain
    • T. Sauter, J. Jasperneite, and L. Lo Bello, "Towards new hybrid networks for industrial automation", in Proc. IEEE Conf. ETFA, Palma de Mallorca, Spain, 2009, pp. 1141-1148.
    • (2009) Proc. IEEE Conf. ETFA , pp. 1141-1148
    • Sauter, T.1    Jasperneite, J.2    Bello, L.L.3
  • 23
    • 77952808892 scopus 로고    scopus 로고
    • Location based services for IEEE 802.11a/b/g nodes
    • Pisa, Italy
    • P. Loschmidt, G. Gaderer, and T. Sauter, "Location based services for IEEE 802.11a/b/g nodes", in Proc. 6th Int. Workshop RTN, Pisa, Italy, 2007, pp. 64-70.
    • (2007) Proc. 6th Int. Workshop RTN , pp. 64-70
    • Loschmidt, P.1    Gaderer, G.2    Sauter, T.3
  • 25
    • 0027611792 scopus 로고
    • Optimization of acyclic bandwidth allocation exploiting the priority mechanism in the FieldBus data link layer
    • Jun
    • S. Cavalieri, A. Di Stefano, and O. Mirabella, "Optimization of acyclic bandwidth allocation exploiting the priority mechanism in the FieldBus data link layer", IEEE Trans. Ind. Electron., vol. 40, no. 3, pp. 297-306, Jun. 1993.
    • (1993) IEEE Trans. Ind. Electron. , vol.40 , Issue.3 , pp. 297-306
    • Cavalieri, S.1    Di Stefano, A.2    Mirabella, O.3
  • 26
    • 0036611386 scopus 로고    scopus 로고
    • Integration of mobile vehicles for automated material handling using Profibus and IEEE 802.11 networks
    • Jun
    • S. Lee, K. C. Lee, M. H. Lee, and F. Harashima, "Integration of mobile vehicles for automated material handling using Profibus and IEEE 802.11 networks", IEEE Trans. Ind. Electron., vol. 49, no. 3, pp. 693-701, Jun. 2002.
    • (2002) IEEE Trans. Ind. Electron. , vol.49 , Issue.3 , pp. 693-701
    • Lee, S.1    Lee, K.C.2    Lee, M.H.3    Harashima, F.4
  • 27
    • 0041524052 scopus 로고    scopus 로고
    • Polling-based MAC protocols for improving real-time performance in a wireless PROFIBUS
    • Aug
    • A. Willig, "Polling-based MAC protocols for improving real-time performance in a wireless PROFIBUS", IEEE Trans. Ind. Electron., vol. 50, no. 4, pp. 806-817, Aug. 2003.
    • (2003) IEEE Trans. Ind. Electron. , vol.50 , Issue.4 , pp. 806-817
    • Willig, A.1
  • 28
    • 10044245153 scopus 로고    scopus 로고
    • Using cut-through forwarding to retain the real-time properties of Profibus over hybrid wired/wireless architectures
    • Dec
    • C. Koulamas, S. Koubias, and G. Papadopoulos, "Using cut-through forwarding to retain the real-time properties of Profibus over hybrid wired/wireless architectures", IEEE Trans. Ind. Electron., vol. 51, no. 6, pp. 1208-1217, Dec. 2004.
    • (2004) IEEE Trans. Ind. Electron. , vol.51 , Issue.6 , pp. 1208-1217
    • Koulamas, C.1    Koubias, S.2    Papadopoulos, G.3
  • 29
    • 50149120980 scopus 로고    scopus 로고
    • Repeater vs. bridge-based hybrid wired/wireless PROFIBUS networks: A comparative performance analysis
    • Czech Republic
    • P. Sousa, L. L. Ferreira, and M. Alves, "Repeater vs. bridge-based hybrid wired/wireless PROFIBUS networks: A comparative performance analysis", in Proc. IEEE Conf. ETFA, Prague, Czech Republic, 2006, pp. 1065-1072.
    • (2006) Proc. IEEE Conf. ETFA, Prague , pp. 1065-1072
    • Sousa, P.1    Ferreira, L.L.2    Alves, M.3
  • 30
    • 1942516884 scopus 로고    scopus 로고
    • Hybrid wired/wireless implementations of Profibus DP: A feasibility study based on Ethernet and Bluetooth
    • Jun
    • D. Miorandi and S. Vitturi, "Hybrid wired/wireless implementations of Profibus DP: A feasibility study based on Ethernet and Bluetooth", Comput. Commun., vol. 27, no. 10, pp. 946-960, Jun. 2004.
    • (2004) Comput. Commun. , vol.27 , Issue.10 , pp. 946-960
    • Miorandi, D.1    Vitturi, S.2
  • 31
    • 54849430528 scopus 로고    scopus 로고
    • ZigBee-based wireless extension of FOUNDATION fieldbus
    • Daejeon, South Korea
    • T. Zhong, Z. Peng, Y. Haibin, and W. Hong, "ZigBee-based wireless extension of FOUNDATION fieldbus", in Proc. 6th IEEE Conf. INDIN, Daejeon, South Korea, 2008, pp. 661-666.
    • (2008) Proc. 6th IEEE Conf. INDIN , pp. 661-666
    • Zhong, T.1    Peng, Z.2    Haibin, Y.3    Hong, W.4
  • 32
    • 77949882600 scopus 로고    scopus 로고
    • Mapping WirelessHART into PROFINET and PROFIBUS fieldbusses
    • Palma de Mallorca, Spain
    • S. Trikaliotis and A. Gnad, "Mapping WirelessHART into PROFINET and PROFIBUS fieldbusses", in Proc. IEEE Conf. ETFA, Palma de Mallorca, Spain, 2009, pp. 1503-1506.
    • (2009) Proc. IEEE Conf. ETFA , pp. 1503-1506
    • Trikaliotis, S.1    Gnad, A.2
  • 33
    • 63149153886 scopus 로고    scopus 로고
    • Virtual automation networks-Architectural principles and the current state of development
    • Orlando, FL
    • F. Zezulka and J. Beran, "Virtual automation networks-Architectural principles and the current state of development", in Proc. 34th IEEE IECON, Orlando, FL, 2008, pp. 1545-1550.
    • (2008) Proc. 34th IEEE IECON , pp. 1545-1550
    • Zezulka, F.1    Beran, J.2
  • 34
    • 67649531791 scopus 로고    scopus 로고
    • Wireless sensor network prototype in virtual automation networks: Implementation and coexistence aspects
    • Allahabad, India
    • V. Lakkundi, J. Beran, and M. Kratzig, "Wireless sensor network prototype in virtual automation networks: Implementation and coexistence aspects", in Proc. 4th Int. Conf. WCSN, Allahabad, India, 2008, pp. 89-94.
    • (2008) Proc. 4th Int. Conf. WCSN , pp. 89-94
    • Lakkundi, V.1    Beran, J.2    Kratzig, M.3
  • 36
    • 70350237048 scopus 로고    scopus 로고
    • Implementation of a KNX-ZigBee gateway for home automation
    • Kyoto, Japan
    • W. S. Lee and S. H. Hong, "Implementation of a KNX-ZigBee gateway for home automation", in Proc. 13th ISCE, Kyoto, Japan, 2009, pp. 545-549.
    • (2009) Proc. 13th ISCE , pp. 545-549
    • Lee, W.S.1    Hong, S.H.2
  • 37
    • 39749129108 scopus 로고    scopus 로고
    • BACnet over ZigBee, A new approach to wireless datalink channel for BACnet
    • Vienna, Austria
    • T. J. Park, Y. J. Chon, D. K. Park, and S. H. Hong, "BACnet over ZigBee, A new approach to wireless datalink channel for BACnet", in Proc. 5th IEEE Conf. INDIN, Vienna, Austria, 2007, pp. 33-38.
    • (2007) Proc. 5th IEEE Conf. INDIN , pp. 33-38
    • Park, T.J.1    Chon, Y.J.2    Park, D.K.3    Hong, S.H.4
  • 39
    • 37649011916 scopus 로고    scopus 로고
    • Experimental evaluation of an industrial application layer protocol over wireless systems
    • Nov
    • S. Vitturi, I. Carreras, D. Miorandi, L. Schenato, and A. Sona, "Experimental evaluation of an industrial application layer protocol over wireless systems", IEEE Trans. Ind. Informat., vol. 3, no. 4, pp. 275-288, Nov. 2007.
    • (2007) IEEE Trans. Ind. Informat. , vol.3 , Issue.4 , pp. 275-288
    • Vitturi, S.1    Carreras, I.2    Miorandi, D.3    Schenato, L.4    Sona, A.5
  • 40
    • 0035471788 scopus 로고    scopus 로고
    • Real-time mixed-traffic wireless networks
    • Oct
    • H. Ye, G. C. Walsh, and L. G. Bushnell, "Real-time mixed-traffic wireless networks", IEEE Trans. Ind. Electron., vol. 48, no. 5, pp. 883-890, Oct. 2001.
    • (2001) IEEE Trans. Ind. Electron. , vol.48 , Issue.5 , pp. 883-890
    • Ye, H.1    Walsh, G.C.2    Bushnell, L.G.3
  • 41
    • 77955711675 scopus 로고    scopus 로고
    • On the performance of IEEE 802.11e wireless infrastructures for soft-real-time industrial applications
    • Jun
    • G. Cena, L. Seno, A. Valenzano, and C. Zunino, "On the performance of IEEE 802.11e wireless infrastructures for soft-real-time industrial applications", IEEE Trans. Ind. Informat., vol. 6, no. 3, pp. 1-13, Jun. 2010.
    • (2010) IEEE Trans. Ind. Informat. , vol.6 , Issue.3 , pp. 1-13
    • Cena, G.1    Seno, L.2    Valenzano, A.3    Zunino, C.4
  • 42
    • 63149192223 scopus 로고    scopus 로고
    • Design and implementation of a wireless fieldbus for plastic machineries
    • Mar
    • A. Flammini, D. Marioli, E. Sisinni, and A. Taroni, "Design and implementation of a wireless fieldbus for plastic machineries", IEEE Trans. Ind. Electron., vol. 56, no. 3, pp. 747-755, Mar. 2009.
    • (2009) IEEE Trans. Ind. Electron. , vol.56 , Issue.3 , pp. 747-755
    • Flammini, A.1    Marioli, D.2    Sisinni, E.3    Taroni, A.4
  • 43
    • 77951117221 scopus 로고    scopus 로고
    • Energy-aware wireless-wired communications in sensor networks
    • Lecce, Italy
    • C. Alippi and L. Sportiello, "Energy-aware wireless-wired communications in sensor networks", in Proc. IEEE SENSORS Conf., Lecce, Italy, 2009, pp. 83-88.
    • (2009) Proc. IEEE SENSORS Conf. , pp. 83-88
    • Alippi, C.1    Sportiello, L.2
  • 45
    • 34249859365 scopus 로고    scopus 로고
    • Modular wireless real-time sensor/actuator network for factory automation applications
    • May
    • H.-J. Körber, H. Wattar, and G. Scholl, "Modular wireless real-time sensor/actuator network for factory automation applications", IEEE Trans. Ind. Informat., vol. 3, no. 2, pp. 111-119, May 2007.
    • (2007) IEEE Trans. Ind. Informat. , vol.3 , Issue.2 , pp. 111-119
    • Körber, H.-J.1    Wattar, H.2    Scholl, G.3
  • 46
    • 21644466923 scopus 로고    scopus 로고
    • Wireless technology in industrial networks
    • Jun
    • A. Willig, K. Matheus, and A. Wolisz, "Wireless technology in industrial networks", Proc. IEEE, vol. 93, no. 6, pp. 1130-1151, Jun. 2005.
    • (2005) Proc. IEEE , vol.93 , Issue.6 , pp. 1130-1151
    • Willig, A.1    Matheus, K.2    Wolisz, A.3
  • 47
    • 33646774674 scopus 로고    scopus 로고
    • On the use of wireless networks at low level of factory automation systems
    • May
    • F. De Pellegrini, D. Miorandi, S. Vitturi, and A. Zanella, "On the use of wireless networks at low level of factory automation systems", IEEE Trans. Ind. Informat., vol. 2, no. 2, pp. 129-143, May 2006.
    • (2006) IEEE Trans. Ind. Informat. , vol.2 , Issue.2 , pp. 129-143
    • De Pellegrini, F.1    Miorandi, D.2    Vitturi, S.3    Zanella, A.4
  • 48
    • 42649138587 scopus 로고    scopus 로고
    • Hybrid wired/wireless networks for realtime communications
    • Mar
    • G. Cena, A. Valenzano, and S. Vitturi, "Hybrid wired/wireless networks for realtime communications", IEEE Ind. Electron. Mag., vol. 2, no. 1, pp. 8-20, Mar. 2008.
    • (2008) IEEE Ind. Electron. Mag. , vol.2 , Issue.1 , pp. 8-20
    • Cena, G.1    Valenzano, A.2    Vitturi, S.3
  • 49
    • 67349132442 scopus 로고    scopus 로고
    • Analysis of Ethernet powerlink wireless extensions based on the IEEE 802.11 WLAN
    • May
    • L. Seno, S. Vitturi, and C. Zunino, "Analysis of Ethernet powerlink wireless extensions based on the IEEE 802.11 WLAN", IEEE Trans. Ind. Informat., vol. 5, no. 2, pp. 86-98, May 2009.
    • (2009) IEEE Trans. Ind. Informat. , vol.5 , Issue.2 , pp. 86-98
    • Seno, L.1    Vitturi, S.2    Zunino, C.3
  • 50
    • 70349631144 scopus 로고    scopus 로고
    • Integration of a wireless I/O interface for PROFIBUS and PROFINET for factory automation
    • Oct
    • J. Kjellsson, A. E. Vallestad, R. Steigmann, and D. Dzung, "Integration of a wireless I/O interface for PROFIBUS and PROFINET for factory automation", IEEE Trans. Ind. Electron., vol. 56, no. 10, pp. 4279-4287, Oct. 2009.
    • (2009) IEEE Trans. Ind. Electron. , vol.56 , Issue.10 , pp. 4279-4287
    • Kjellsson, J.1    Vallestad, A.E.2    Steigmann, R.3    Dzung, D.4


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