NDLI: Dynamic bandwidth allocation algorithm with proper guard time management over multi-OLT PON-based hybrid FTTH and wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Hossen, M. Hanawa, M.
Copyright Year	2009
Abstract	A passive optical network (PON) is a highly capable access network that effectively converges several service providers, without suffering from any bandwidth deficiency. However, a PON consisting of a single optical line terminal (OLT) for multiple service providers increases the computational complexity for data packet processing in the OLT, resulting in a longer time delay and more packet loss. A multi-OLT PON-based access network is an effective solution for reducing the computational complexity of data packet processing in a hybrid network of multiple service providers. The most important issue concerning the multi-OLT PON is the sharing efficiency of upstream channels among multiple service providers having different packet lengths and data rates. In this paper, we propose a dynamic bandwidth allocation algorithm called adaptive limited dynamic bandwidth allocation for multi-OLT PON (ALDBAM). The proposed scheme is a modified version of adaptive limited dynamic bandwidth allocation (ALDBA) algorithms that we proposed before, where both the ALDBA1 and ALDBA2 schemes are combined with proper guard time management and a modified multipoint control protocol. The simulation results show that the ALDBAM scheme provides lower packet delay with higher bandwidth utilization, higher upstream efficiency, and higher throughput than the conventional ALDBA1 and ALDBA2 schemes.
Starting Page	802
Ending Page	812
Page Count	11
File Size	1970100
File Format	PDF
ISSN	19430620
Volume Number	5
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	OSA
Subject Keyword	Passive optical networks Optical network units Wireless sensor networks Optical fiber subscriber loops Bandwidth Heuristic algorithms Channel allocation Wireless sensor network DBA algorithm FTTH Hybrid network Multi-OLT PON
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications

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