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IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS, TPDS-2010-06-0382.R1 1 Effective Delay-Controlled Load Distribution
 

Summary: IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS, TPDS-2010-06-0382.R1 1
Effective Delay-Controlled Load Distribution
over Multipath Networks
Sumet Prabhavat, Student Member, IEEE, Hiroki Nishiyama, Member, IEEE,
Nirwan Ansari, Fellow, IEEE, and Nei Kato, Senior Member, IEEE
Abstract--Owing to the heterogeneity and high degree of connectivity of various networks, there likely exist multiple available
paths between a source and a destination. An effective model of delay-controlled load distribution becomes essential to
efficiently utilize such parallel paths for multimedia data transmission and real-time applications, which are commonly known to
be sensitive to packet delay, packet delay variation, and packet reordering. Recent research on load distribution has focused on
load balancing efficiency, bandwidth utilization, and packet order preservation; however, a majority of the solutions do not
address delay-related issues. This paper proposes a new load distribution model aiming to minimize the difference among end-
to-end delays, thereby reducing packet delay variation and risk of packet reordering without additional network overhead. In
general, the lower the risk of packet reordering, the smaller the delay induced by the packet reordering recovery process, i.e.,
extra delay induced by the packet reordering recovery process is expected to decrease. Therefore, our model can reduce not
only the end-to-end delay but also the packet reordering recovery time. Finally, our proposed model is shown to outperform
other existing models, via analysis and simulations.
Index Terms-- Delay Minimization, Load Distribution, Multipath Forwarding, Packet Reordering, Packet Delay Variation
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1 INTRODUCTION
HE demand for network infrastructure in providing

  

Source: Ansari, Nirwan - Department of Electrical and Computer Engineering, New Jersey Institute of Technology

 

Collections: Engineering