Differentiated Quality-of-Recovery in Survivable Optical Mesh Networks Using $p$-Structures

Sebbah, Samir; Jaumard, Brigitte

doi:10.1109/tnet.2011.2166560

Cited by 12 publications

(4 citation statements)

References 23 publications

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“…26 Traditional methods from path and link protection (restoration) to structure protection have been well studied. 9,[27][28][29] However, the traditional surveillance mechanisms only consider single failure cases, which might not be practical in networks of large sizes. Recently, multifailure scenarios are considered in the surveillance design of optical networks.…”

Section: Related Workmentioning

confidence: 99%

Upgrading service availability of optical networks: A labor force perspective

Chang

Wang

2018

Int J Communication

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Service availability is an important issue in optical networks. Much research attention has been drawn to the provisioning of reliable connections achieved by approaches such as routing and wavelength assignment and by protection and restoration mechanisms. In contrast, the research on upgrading networks to meet new or dynamic demands of service availability based on network upgrading process has been comparatively lacking. In this paper, we address this issue by upgrading service availability from the perspective of labor forces for network maintenance. Our approach is premised on the assumption that the time period for fixing an optical link can be reduced by using more network resources of labor forces. To model this concept, we conduct Amdahl's law, a well-known theorem in parallel computing, to describe human teamwork. To show the effectiveness of this concept, we propose mixed integer linear programming aiming at either maximizing service availability under limited labor forces or minimizing labor forces for predetermined service availability. In addition, a heuristic algorithm for upgrading service availability is presented.Our experimental results show that our network upgrading process can improve service availability optimally with a fixed number of forces and the proposed heuristic algorithm can effectively save computation time.

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Section: Related Workmentioning

confidence: 99%

Upgrading service availability of optical networks: A labor force perspective

Chang

Wang

2018

Int J Communication

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“…The recovery and protection latency are analyzed in [6] and [15]. The following assumptions are made by following requirements: The granularity level of switching is wavelength, and aggregation of control message is not needed.…”

Section: ) Latency Analysis Of P-mdpmentioning

confidence: 99%

“…Ring-based networks generally adopt undirectional path switched rings (UPSR) and bi-directional line switched rings (BLSR) protection [5]. And the p-structures such as p-trees, p-cycles are both used in OTNs [6]. Each of those basic protection structures is associated with a cost expressed in terms of protection capacity and a credit in terms of protected capacity.…”

Section: Introductionmentioning

confidence: 99%

Pre-configured multi-dimensional protection (p-MDP) structure against multi-failures in high-degree node based optical networks

Zhang

Zhao

et al. 2013

2013 8th International Conference on Communications and Networking in China (CHINACOM)

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In this paper, a novel protection structure i.e. preconfigured multi-dimensional protection (p-MDP) structure is proposed against simultaneous m-link failures in high capacity and large scale optical transport networks (OTNs). The principles of p-MDP are proved, which shows that there are m+1 internally node-disjoint paths between any two nodes on p-MDP. It can provide 100% recovery to any m-link failures, and use less protection resource than p-Cycle. Heuristic algorithms of construction, protection and fast restoration on p-MDP are proposed in static optical transport networks. Numerical results show that, p-MDP can improve the survivability of optical networks, and it has lower redundancy but a bit longer recovery time than p-Cycle in dealing with the same number of simultaneous multi-link failures.

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“…Compared with the other assessment method, the QoR method can obtain evaluations of the recovery networks with every aspect of their performances fully measured. Moreover, the assessment values related to different users (network provider or subscriber) can be provided in this method [21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Performance evaluation of the survivability schemes in WOBAN: a quality of recovery (QoR) method

et al. 2013

Int J Communication

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SUMMARYThe hybrid wireless optical broadband access network (WOBAN) is a combination of an optical backhaul and a wireless front-end, which combine the huge amount of available bandwidth of optical networks and the ubiquity and mobility of wireless access networks with the objective of reducing their cost and complexity. Survivability is one of the most important issues in WOBAN. In this paper, the survivability schemes in WOBAN are addressed from a particular point of view of the quality of recovery (QoR) method. The QoR is a comprehensive measure to evaluate the survivability schemes in terms of availability, recovery time, redundancy, and bandwidth of backup path. The specific procedures to set up the analytical models for the survivability schemes in WOBAN are given based on the QoR concept, including abstract, normalization, and application. Besides, the weights assignment is provided to calculate the QoR value for the operators, home users, or business users with different requirements, which in turn offers the userperceptive quality of service. To verify the performance of the survivability schemes by the QoR method, extensive simulations are made under different WOBAN configurations. Numerical results show that for the intra-domain survivability schemes, the wireless and optical mixed protection scheme is the best choice for failure recovery in WOBAN. The wireless scheme is the second choice for the solution, which emphasizes cost control, while for the solution that emphasizes the network performance, the 1:1 scheme is the second choice. The 1:N scheme obtains the worst QoR value as the splitter ratios increase. For the interdomain survivability schemes, optimizing backup optical networking units selection and backup fibers deployment scheme outperforms maximum protection with minimum cost scheme from the point of view of QoR.

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Differentiated Quality-of-Recovery in Survivable Optical Mesh Networks Using $p$-Structures

Cited by 12 publications

References 23 publications

Upgrading service availability of optical networks: A labor force perspective

Upgrading service availability of optical networks: A labor force perspective

Pre-configured multi-dimensional protection (p-MDP) structure against multi-failures in high-degree node based optical networks

Performance evaluation of the survivability schemes in WOBAN: a quality of recovery (QoR) method

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