NDLI: Opportunistic Routing for Interactive Traffic in Wireless Networks

Content Provider	IEEE Xplore Digital Library
Author	Tianji Li Leith, D. Lili Qiu
Copyright Year	2010
Abstract	To take advantage of the broadcast nature of wireless communication, a number of opportunistic routing protocols have recently been proposed. In order to manage the extra signaling overhead associated with operation of the opportunistic routing, these schemes work in terms of `batches' that consist of multiple packets. While these opportunistic protocols can dramatically improve the total throughput, the use of batches means that they are best suited to bulk UDP transfer. However, in the Internet and wireless networks, the vast majority of the traffic is interactive (e.g., TCP/VoIP which requires close interactions and feedback between the two communicating end points). To effectively support interactive traffic, we develop a new opportunistic routing protocol, called RIPPLE. RIPPLE uses an expedited multi-hop transmission opportunity mechanism to achieve low signaling overhead and eliminate re-ordering, and uses a two-way packet aggregation technique to further reduce overhead. We implement the RIPPLE in NS-2 along with several existing routing protocols, including predetermined routing, shortest path routing, the early version of ExOR, MCExOR, and an IEEE 802.11n-like single-hop packet aggregation scheme called AFR. We compare their performance for long-and short-lived TCP transfers and VoIP traffic over a wide range of network conditions, including varying wireless channel states, collision levels, and types of network topologies. Our results show that the RIPPLE scheme consistently achieves 100\% – 300\% performance gains over other approaches.
Starting Page	458
Ending Page	467
File Size	617705
Page Count	10
File Format	PDF
ISBN	9781424472611
ISSN	10636927
e-ISBN	9781424472628
DOI	10.1109/ICDCS.2010.74
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-21
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Telecommunication traffic Wireless networks Routing protocols Broadcasting Wireless communication Throughput IP networks Feedback Road accidents Network topology Wireless Mesh Networks Medium access control (MAC) Opportunistic Routing IEEE 802.11 Wireless LANs (WLANs)
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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