المؤلفون: Laselva, Daniela, L K Kamakshi, Ahlem Khlass, Sayed, Mohamad, Lauridsen, Mads, Oikonomakou, Maria, Naizheng Zheng, Pantelidou, Anna, Khatibi, Sina, Tejas Subramanya, Gajic, Borislava, Chaima Ghribi, Abdelrahman Abdelkader

الاتاحة: https://dx.doi.org/10.13140/rg.2.2.30749.63202
https://rgdoi.net/10.13140/RG.2.2.30749.63202

المؤلفون: Joshua Shakya, Chaima Ghribi, Morgan Chopin, Leila Merghem-Boulahia

المصدر: 2023 IEEE 20th Consumer Communications & Networking Conference (CCNC).

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::b9c272d5c7368edfd4640c658be09dd1
https://doi.org/10.1109/ccnc51644.2023.10059952

المؤلفون: Lina Magoula, Sokratis Barmpounakis, Theodora Panagea, Nikolas Koursioumpas, Chaima Ghribi, Joshua Shakya

المصدر: SSRN Electronic Journal.

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::d86f23442f2ae7a3442140e550391c32
https://doi.org/10.2139/ssrn.4218542

المؤلفون: Oussama Soualah, Chaima Ghribi, Djamal Zeghlache, Marouen Mechtri

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Institut Polytechnique de Paris (IP Paris), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Centre National de la Recherche Scientifique (CNRS), Orange Labs [Chatillon], Orange Labs

المصدر: Computer Networks
Computer Networks, Elsevier, 2019, 158, pp.98-113. ⟨10.1016/j.comnet.2019.01.041⟩

مصطلحات موضوعية: Linear programming, Computer Networks and Communications, Computer science, 020206 networking & telecommunications, 02 engineering and technology, Energy consumption, Network topology, Integer linear program, Batch, VNF Sharing, NFV, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], Energy efficiency, Scalability, Chaining, 0202 electrical engineering, electronic engineering, information engineering, Batch processing, 020201 artificial intelligence & image processing, VNF-FG placement and chaining, [INFO]Computer Science [cs], Online algorithm, Algorithm, Efficient energy use

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d790c0b79187d0ecf3138a3a10e9428f
https://hal.archives-ouvertes.fr/hal-02355987/file/S1389128618302548.pdf

المؤلفون: Djamal Zeghlache, Chaima Ghribi, Oussama Soualah, Marouen Mechtri

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Centre National de la Recherche Scientifique (CNRS), Orange Labs [Paris], Telecom Orange, Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: Proceedings NETSOFT 2018 : 4th IEEE Conference on Network Softwarization and Workshops
NETSOFT 2018 : 4th IEEE Conference on Network Softwarization and Workshops
NETSOFT 2018 : 4th IEEE Conference on Network Softwarization and Workshops, Jun 2018, Montreal, Canada. pp.141-149, ⟨10.1109/NETSOFT.2018.8460013⟩
NetSoft

مصطلحات موضوعية: Optimization, VNF, Linear programming, Virtualized Network Function Forwarding Graph, Computer science, Distributed computing, Servers, 02 engineering and technology, Virtualisation, NFV, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], Mathematical model, Server, 0202 electrical engineering, electronic engineering, information engineering, Resource utilization, Heuristic algorithms, Tree based, Resource allocation, Computer networks, Complexity theory, Green VNF-FG embedding algorithm, Scalability, 020206 networking & telecommunications, Integer programming, Energy consumption, Integer linear program, Embedding algorithm, Energy efficiency, Chaining, Graph (abstract data type), 020201 artificial intelligence & image processing, VNF-FG placement and chaining, Tree based algorithm

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aad3de3ceebb1234987d22cbce86f9e0
https://hal.archives-ouvertes.fr/hal-01992428

المؤلفون: Oussama Soualah, Marouen Mechtri, Chaima Ghribi, Djamal Zeghlache

المساهمون: Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Département Réseaux et Services Multimédia Mobiles (RS2M), Centre National de la Recherche Scientifique (CNRS), Orange Labs [Paris], Telecom Orange, Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: NOMS
Proceedings NOMS 2018 : IEEE/IFIP Network Operations and Management Symposium
NOMS 2018 : IEEE/IFIP Network Operations and Management Symposium
NOMS 2018 : IEEE/IFIP Network Operations and Management Symposium, Apr 2018, Taipei, Taiwan. pp.1-5, ⟨10.1109/NOMS.2018.8406183⟩

مصطلحات موضوعية: 020203 distributed computing, Linear programming, Computer science, 020206 networking & telecommunications, 02 engineering and technology, Energy consumption, Limiting, Integer linear program, Rejection rate, NFV, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], Energy efficiency, Server, Chaining, Scalability, 0202 electrical engineering, electronic engineering, information engineering, Graph (abstract data type), VNF-FG placement and chaining, Algorithm

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d700f9efd5774bd3177a896eb4a485c
https://doi.org/10.1109/noms.2018.8406183

المؤلفون: Marouen Mechtri, Chaima Ghribi, Djamal Zeghlache, Oussama Soualah

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Centre National de la Recherche Scientifique (CNRS), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: IEEE Communications Magazine
IEEE Communications Magazine, Institute of Electrical and Electronics Engineers, 2017, 55 (6), pp.16-23. ⟨10.1109/MCOM.2017.1601055⟩

مصطلحات موضوعية: SDN controllers, Service (systems architecture), NFV orchestration framework, Network services stitching, Computer Networks and Communications, Computer science, Network services deployment automation, Distributed computing, Agile service production, Resource virtualization, Cloud computing, Context (language use), 02 engineering and technology, computer.software_genre, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], 0202 electrical engineering, electronic engineering, information engineering, Orchestration (computing), Electrical and Electronic Engineering, SFC challenges, Placement algorithms, business.industry, 020206 networking & telecommunications, Virtualization, Computer Science Applications, NFV architecture components, Networking technologies, Key (cryptography), 020201 artificial intelligence & image processing, business, computer, NFV management, Agile software development

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1802b8a19388e3b7704fa5cbd348b12c
https://hal.archives-ouvertes.fr/hal-01629431

المؤلفون: Marouen Mechtri, Oussama Soualah, Chaima Ghribi, Djamal Zeghlache

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Centre National de la Recherche Scientifique (CNRS), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: CLOUD
Proceedings CLOUD 2017 : IEEE 10th International Conference on Cloud Computing
CLOUD 2017 : IEEE 10th International Conference on Cloud Computing
CLOUD 2017 : IEEE 10th International Conference on Cloud Computing, Jun 2017, Honolulu, United States. pp.423-430, ⟨10.1109/CLOUD.2017.61⟩

مصطلحات موضوعية: Recursive approach, Optimization problem, Computer science, Distributed computing, Cloud computing, 02 engineering and technology, NFV, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], Bandwidth, Hardware, Mathematical model, Robustness (computer science), 0202 electrical engineering, electronic engineering, information engineering, Heuristic algorithms, Revenue, Service function chaining, Substrates, business.industry, Testbed, Computational modeling, 020206 networking & telecommunications, Provisioning, Chaining, 020201 artificial intelligence & image processing, business

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e010d4f9ad1fe990e38d538026d83d6
https://doi.org/10.1109/cloud.2017.61

المؤلفون: Marouen Mechtri, Oussama Soualah, Djamal Zeghlache, Chaima Ghribi

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Orange Labs [Paris], Telecom Orange, Centre National de la Recherche Scientifique (CNRS), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: IM 2017 : IFIP/IEEE Symposium on Integrated Network and Service Management
IM 2017 : IFIP/IEEE Symposium on Integrated Network and Service Management, May 2017, Lisbon, Portugal. IEEE Computer Society, pp.903-904, 2017, ⟨10.23919/INM.2017.7987405⟩
IM

مصطلحات موضوعية: VNF, Computer science, Reliability (computer networking), Distributed computing, NFV MANO, Cloud computing, End-to-end SFC orchestration, 03 medical and health sciences, NFV, SDN enabled cloud environments, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], 0302 clinical medicine, VNF placement, End-to-end principle, Reference architecture, TOSCA standards, Virtual network, Network deployment, business.industry, Network stitching, Chaining, Orchestration, ETSI NFV reference architecture, Algorithm design, business, 030215 immunology

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0bffcd74d03453506b10ac30a625db0
https://hal.archives-ouvertes.fr/hal-01630098

المؤلفون: Chaima Ghribi, Djamal Zeghlache, Oussama Soualah, Marouen Mechtri

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Centre National de la Recherche Scientifique (CNRS), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: Proceedings IM 2017 : IFIP/IEEE Symposium on Integrated Network Management
IM 2017 : IFIP/IEEE Symposium on Integrated Network Management
IM 2017 : IFIP/IEEE Symposium on Integrated Network Management, May 2017, Lisbon, Portugal. pp.213-221, ⟨10.23919/INM.2017.7987282⟩
IM

مصطلحات موضوعية: Network Functions Virtualization, business.industry, Computer science, Acceptance rate, Distributed computing, Decision trees, Decision tree, 020206 networking & telecommunications, Monte Carlo methods, 02 engineering and technology, Execution time, Virtualisation, Revenue loss, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], SAFER, Chaining, Search problems, 0202 electrical engineering, electronic engineering, information engineering, Cloud computing, 020201 artificial intelligence & image processing, business, Algorithm, Virtual network, Computer network

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d3890104b41c160de79d691722efc64
https://hal.archives-ouvertes.fr/hal-01629687

المؤلفون: Marouen Mechtri, Chaima Ghribi, Oussama Soualah, Djamal Zeghlache

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Centre National de la Recherche Scientifique (CNRS), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: CCGrid
Proceedings CCGRID 2017 : 17th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing
CCGRID 2017 : 17th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing
CCGRID 2017 : 17th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, May 2017, Madrid, Spain. pp.579-588, ⟨10.1109/CCGRID.2017.84⟩

مصطلحات موضوعية: Optimization, Mathematical optimization, Computational complexity theory, Computer science, Distributed computing, Service Function chaining, Monte Carlo tree search, Decision tree, 020206 networking & telecommunications, 02 engineering and technology, Energy consumption, Reduction (complexity), Energy conservation, NFV, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], Clouds, Chaining, 0202 electrical engineering, electronic engineering, information engineering, 020201 artificial intelligence & image processing, Placement, Efficient energy use

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::937fc16368c50fc2787c2dc3bb139656
https://doi.org/10.1109/ccgrid.2017.84

المؤلفون: Oussama Soualah, Chaima Ghribi, Djamal Zeghlache, Marouen Mechtri

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Centre National de la Recherche Scientifique (CNRS), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: Proceedings CCNC 2017 : 14th IEEE conference on Consumer Communications & Networking
CCNC 2017 : 14th IEEE conference on Consumer Communications & Networking
CCNC 2017 : 14th IEEE conference on Consumer Communications & Networking, Jan 2017, Las Vegas, United States. pp.647-652, ⟨10.1109/CCNC.2017.7983207⟩
CCNC

مصطلحات موضوعية: Fractal tree index, 020203 distributed computing, Incremental decision tree, Theoretical computer science, Monte-Carlo tree search, Network function virtualization, Computer science, Decision tree learning, Monte Carlo tree search, ID3 algorithm, Decision tree, 020206 networking & telecommunications, 02 engineering and technology, Tree (data structure), Tree traversal, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], K-D-B-tree, Chaining, 0202 electrical engineering, electronic engineering, information engineering, Depth-first search, Service function chaining, Order statistic tree, Decision tree model

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7509bf1fc95c97b12d9993d3abc41b7c
https://hal.archives-ouvertes.fr/hal-01629694

المؤلفون: Marouen Mechtri, Chaima Ghribi, Djamal Zeghlache

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Centre National de la Recherche Scientifique (CNRS), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: Proceedings CAN 2016 : Workshop on Cloud-Assisted Networking
CAN 2016 : Workshop on Cloud-Assisted Networking
CAN 2016 : Workshop on Cloud-Assisted Networking, Dec 2016, Irvine, United States. pp.19-24 ⟨10.1145/3010079.3010083⟩
CAN@CoNEXT

مصطلحات موضوعية: business.industry, Computer science, Distributed computing, Cloud computing, Network services, Dynamic programming, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], Resource (project management), Chain (algebraic topology), Chaining, Service function chaining, Greedy algorithm, business, Joint (audio engineering), Time complexity, Cloud, Placement

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a10807d1a2de5c66c1608e7fe0acdded
https://hal.archives-ouvertes.fr/hal-01462061

المؤلفون: Djamal Zeghlache, Marouen Mechtri, Chaima Ghribi

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Centre National de la Recherche Scientifique (CNRS), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: GLOBECOM
Proceedings GLOBECOM 2016 : IEEE Global Communications Conference
GLOBECOM 2016 : IEEE Global Communications Conference
GLOBECOM 2016 : IEEE Global Communications Conference, Dec 2016, Washington, Dc, United States. pp.1-7, ⟨10.1109/GLOCOM.2016.7842242⟩

مصطلحات موضوعية: Theoretical computer science, Computer science, 02 engineering and technology, Virtual resource embedding, Eigendecomposition, Network topology, Topology, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], Bandwidth, 0202 electrical engineering, electronic engineering, information engineering, Cloud computing, Adjacency matrix, Eigendecomposition of a matrix, Cloud infrastructures, Bipartite graph matching, Substrates, Heuristic, Scalability, 020206 networking & telecommunications, Graph, 020202 computer hardware & architecture, Telecommunications, Embedding, Joining processes, MathematicsofComputing_DISCRETEMATHEMATICS

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4fde15ab13c97e3f22987011a4c9322
https://doi.org/10.1109/glocom.2016.7842242

المؤلفون: Djamal Zeghlache, Chaima Ghribi, Marouen Mechtri

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Centre National de la Recherche Scientifique (CNRS), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: CLOUD
Proceedings CLOUD 2016 : 9th IEEE International Conference on Cloud Computing
CLOUD 2016 : 9th IEEE International Conference on Cloud Computing
CLOUD 2016 : 9th IEEE International Conference on Cloud Computing, Jun 2016, San Francisco, United States. pp.376-383, ⟨10.1109/CLOUD.2016.0057⟩

مصطلحات موضوعية: Service (systems architecture), Computer science, business.industry, Distributed computing, 020206 networking & telecommunications, Cloud computing, Placement and chaining, 02 engineering and technology, Function (mathematics), Electronic mail, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], 03 medical and health sciences, 0302 clinical medicine, Analytical approach, Virtual Network Function, Cloud environments, Chaining, 0202 electrical engineering, electronic engineering, information engineering, Greedy algorithm, business, Virtual network, 030215 immunology

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::278c1573e384dec2daf8043168e473e7
https://doi.org/10.1109/cloud.2016.0057

المؤلفون: Djamal Zeghlache, Chaima Ghribi

المساهمون: Département Réseaux et Services Multimédia Mobiles (RS2M), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP), Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux (SAMOVAR), Centre National de la Recherche Scientifique (CNRS), Réseaux, Systèmes, Services, Sécurité (R3S-SAMOVAR), Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)-Institut Mines-Télécom [Paris] (IMT)-Télécom SudParis (TSP)

المصدر: Proceedings CLOUD 2014 : 7th International Conference on Cloud Computing
CLOUD 2014 : 7th International Conference on Cloud Computing
CLOUD 2014 : 7th International Conference on Cloud Computing, Jun 2014, Alaska, United States. pp.112-119, ⟨10.1109/CLOUD.2014.25⟩
IEEE CLOUD

مصطلحات موضوعية: Mathematical optimization, Heterogeneous cloud data centers, Power aware computing, Heuristic, Computer science, Energy Efficiency, Computer centres, Reservation, Graph-coloring, Integer programming, Energy consumption, Graph, [INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], Exact algorithm, Linear programming, Scalability, Graph (abstract data type), Cloud computing, Graph coloring, Advance resource reservation, Efficient energy use

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d155d1e6a8c651c9ce3e941324e030a9
https://hal.archives-ouvertes.fr/hal-01281941