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Multi-layer design of IP over WDM backbone networks: Impact on cost and survivability
To address the reliability challenges due to failures and planned outages, Internet Service Providers (ISPs) typically use two backbone …
Byrav Ramamurthy
,
Rakesh K. Sinha
,
K. K. Ramakrishnan
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Rightsizing Bundle Link Capacities for Energy Savings in the Core Network
Current core networks are composed of high-end routers which are connected by high-speed fibers. These optical connections are commonly …
Lin Liu
,
Byrav Ramamurthy
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Continuous and Parallel Optimization of Dynamic Bandwidth Scheduling in WDM Networks
Many scientific and Grid applications require high-speed circuits of guaranteed bandwidth for scheduled transfers. Offline optimization …
Pragatheeswaran Angu
,
Byrav Ramamurthy
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Optimal segment size for fixed-sized segment protection in wavelength-routed optical networks
Protecting a network against link failures is a major challenge faced by network operators. The protection scheme has to address two …
Raghunath Tewari
,
Byrav Ramamurthy
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Variable neighbor selection in live peer-to-peer multimedia streaming networks
Data-driven (or swarming based) streaming is one of the popular ways to distribute live multimedia streaming traffic over peer-to-peer …
Jagannath Ghosha
,
Miao Wang
,
Lisong Xu
,
Byrav Ramamurthy
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Providing Reliable Data Transport for Dynamic Event Sensing in Wireless Sensor Networks
In this paper, we propose a loss tolerant reliable (LTR) data transport mechanism for dynamic event sensing (LT-RES) in WSNs. In LTRES, …
Y. Xue
,
B. Ramamurthy
,
Y. Wang
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Dedicated path protection for waveband switching in WDM networks (invited paper)
This paper considers the problem of dedicated path-protection in a wavelength-division multiplexing (WDM) mesh network with waveband …
Mengke Li
,
Byrav Ramamurthy
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Algorithms for Intermediate Waveband Switching in Optical WDM Mesh Networks
Waveband switching is a technique that allows multiple wavelengths to be switched together as a single unit. Waveband switching …
Ajay Todimala
,
Byrav Ramamurthy
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Autonomous Clustering-Based Heterogeneous Waveband Switching in WDM Networks
Employing waveband switching (WBS) in WDM networks can reduce the network operational cost and the call blocking probability. However, …
Mengke Li
,
Byrav Ramamurthy
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Analysis of multi-hop traffic grooming in WDM mesh networks
Traffic grooming is an essential functionality of WDM optical networks to provision multi-granularity subwave-length connections. …
W. Yao
,
G. Sahin
,
M. Li
,
Byrav Ramamurthy
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