Optical layer monitoring schemes for fast link failure localization in all-optical networks

B Wu, PH Ho, KL Yeung, J Tapolcai… - … Surveys & Tutorials, 2010 - ieeexplore.ieee.org
Optical layer monitoring and fault localization serves as a critical functional module in the
control and management of optical networks. An efficient monitoring scheme aims at …

Sequential group testing with graph constraints

A Karbasi, M Zadimoghaddam - 2012 IEEE information theory …, 2012 - ieeexplore.ieee.org
In conventional group testing, the goal is to detect a small subset of defecting items D in a
large population N by grouping arbitrary subset of N into different pools. The result of each …

Detection of top-k central nodes in social networks: A compressive sensing approach

H Mahyar - Proceedings of the 2015 IEEE/ACM International …, 2015 - dl.acm.org
In analysing the structural organization of a social network, identifying important nodes has
been a fundamental problem. The concept of network centrality deals with the assessment of …

T-trail: Link failure monitoring in software-defined optical networks

Z Cheng, X Zhang, S Shen, S Yu, J Ren… - Journal of Optical …, 2018 - opg.optica.org
Monitoring trail (m-trail) provides a striking mechanism for fast and unambiguous link failure
localization in all-optical networks. However, allocating dedicated supervisory lightpaths (m …

Neighborhood failure localization in all-optical networks via monitoring trails

J Tapolcai, PH Ho, P Babarczi… - IEEE/ACM Transactions …, 2014 - ieeexplore.ieee.org
Shared protection, such as failure-dependent protection (FDP), is well recognized for its
outstanding capacity efficiency in all-optical mesh networks, at the expense of lengthy …

Sparse recovery with graph constraints: Fundamental limits and measurement construction

M Wang, W Xu, E Mallada… - 2012 Proceedings IEEE …, 2012 - ieeexplore.ieee.org
This paper addresses the problem of sparse recovery with graph constraints in the sense
that we can take additive measurements over nodes only if they induce a connected …

[PDF][PDF] 基于光通路状态感知的分簇式故障定位机制

熊余, 张鸿, 王汝言, 吴大鹏 - 电子与信息学报, 2014 - edit.jeit.ac.cn
针对现有故障定位机制定位时间长和对业务分布依赖高等问题, 该文提出基于光通路状态感知的
分簇式故障定位机制. 该机制根据网络分簇约束条件, 以最小支配集理论为基础 …

UCS-NT: an unbiased compressive sensing framework for network tomography

H Mahyar, HR Rabiee… - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
This paper addresses the problem of recovering sparse link vectors with network topological
constraints that is motivated by network inference and tomography applications. We propose …

M2-CYCLE: An optical layer algorithm for fast link failure detection in all-optical mesh networks

B Wu, KL Yeung, B Hu, PH Ho - Computer Networks, 2011 - Elsevier
To achieve fast link failure detection in all-optical networks, monitoring-cycles (m-cycles) are
introduced at the optical layer to reduce the number of required monitoring devices (or …

Link fault localization using bi-directional M-trails in all-optical mesh networks

J Tapolcai, L Rónyai, PH Ho - IEEE transactions on …, 2012 - ieeexplore.ieee.org
The paper considers the problem of single-link failure localization in all-optical mesh
networks. Our study follows a generic monitoring approach using supervisory lightpaths (S …