Coordinating Multiple Light-Trails in Multicast Elastic Optical Networks With Adaptive Modulation
Optical multicasting has been considered resource efficient for multicast services. Light-tree and light-trail are two technologies that support optical multicasting while the former requires many splitters and thus experiences significant power loss. In this paper, we consider using the light-trail...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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IEEE
2023-01-01
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| Series: | IEEE Photonics Journal |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/10011575/ |
| _version_ | 1827991115487248384 |
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| author | Anliang Cai Yongcheng Li Jian Chen Jianhua Shen |
| author_facet | Anliang Cai Yongcheng Li Jian Chen Jianhua Shen |
| author_sort | Anliang Cai |
| collection | DOAJ |
| description | Optical multicasting has been considered resource efficient for multicast services. Light-tree and light-trail are two technologies that support optical multicasting while the former requires many splitters and thus experiences significant power loss. In this paper, we consider using the light-trail technology for the accommodation of multicast requests in elastic optical networks with adaptive modulation. For better spectrum efficiency, we consider accommodating each multicast by multiple light-trails. We formulate the problem by Mixed Integer Linear Programming (MILP) and propose efficient heuristic algorithms. For the impact of accommodation sequence on the algorithm performance, apart from the traditional sequence among different requests, we consider an additional sequence among the destinations of a multicast. For efficient multicast accommodation, we propose several strategies and compare their performances through a range of cases. To avoid a destination occupying excessive resources in certain cases of joining multiple light-trails, we propose an efficient algorithm to delete some duplicated destinations. Numerical results show that the proposed heuristic algorithms significantly outperform a benchmark algorithm and one performs close to the optimal MILP. Also, the algorithm for deleting certain destination replicas largely reduces the spectrum and transmitter usages, up to 41% and 20% for the cases considered, respectively. |
| first_indexed | 2024-04-10T00:45:29Z |
| format | Article |
| id | doaj.art-d8d9a8a7cede4960bf865c5ab1ca26cb |
| institution | Directory Open Access Journal |
| issn | 1943-0655 |
| language | English |
| last_indexed | 2024-04-10T00:45:29Z |
| publishDate | 2023-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj.art-d8d9a8a7cede4960bf865c5ab1ca26cb2023-03-13T23:00:11ZengIEEEIEEE Photonics Journal1943-06552023-01-0115111510.1109/JPHOT.2022.323330410011575Coordinating Multiple Light-Trails in Multicast Elastic Optical Networks With Adaptive ModulationAnliang Cai0https://orcid.org/0000-0001-6715-9647Yongcheng Li1Jian Chen2https://orcid.org/0000-0001-5685-2139Jianhua Shen3School of Communications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, ChinaSchool of Electronic and Information Engineering, Soochow University, Suzhou, ChinaSchool of Communications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, ChinaSchool of Communications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, ChinaOptical multicasting has been considered resource efficient for multicast services. Light-tree and light-trail are two technologies that support optical multicasting while the former requires many splitters and thus experiences significant power loss. In this paper, we consider using the light-trail technology for the accommodation of multicast requests in elastic optical networks with adaptive modulation. For better spectrum efficiency, we consider accommodating each multicast by multiple light-trails. We formulate the problem by Mixed Integer Linear Programming (MILP) and propose efficient heuristic algorithms. For the impact of accommodation sequence on the algorithm performance, apart from the traditional sequence among different requests, we consider an additional sequence among the destinations of a multicast. For efficient multicast accommodation, we propose several strategies and compare their performances through a range of cases. To avoid a destination occupying excessive resources in certain cases of joining multiple light-trails, we propose an efficient algorithm to delete some duplicated destinations. Numerical results show that the proposed heuristic algorithms significantly outperform a benchmark algorithm and one performs close to the optimal MILP. Also, the algorithm for deleting certain destination replicas largely reduces the spectrum and transmitter usages, up to 41% and 20% for the cases considered, respectively.https://ieeexplore.ieee.org/document/10011575/Adaptive modulationelastic optical networklight-trailmulticastrouting and spectrum assignment |
| spellingShingle | Anliang Cai Yongcheng Li Jian Chen Jianhua Shen Coordinating Multiple Light-Trails in Multicast Elastic Optical Networks With Adaptive Modulation IEEE Photonics Journal Adaptive modulation elastic optical network light-trail multicast routing and spectrum assignment |
| title | Coordinating Multiple Light-Trails in Multicast Elastic Optical Networks With Adaptive Modulation |
| title_full | Coordinating Multiple Light-Trails in Multicast Elastic Optical Networks With Adaptive Modulation |
| title_fullStr | Coordinating Multiple Light-Trails in Multicast Elastic Optical Networks With Adaptive Modulation |
| title_full_unstemmed | Coordinating Multiple Light-Trails in Multicast Elastic Optical Networks With Adaptive Modulation |
| title_short | Coordinating Multiple Light-Trails in Multicast Elastic Optical Networks With Adaptive Modulation |
| title_sort | coordinating multiple light trails in multicast elastic optical networks with adaptive modulation |
| topic | Adaptive modulation elastic optical network light-trail multicast routing and spectrum assignment |
| url | https://ieeexplore.ieee.org/document/10011575/ |
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