Upstream hop-by-hop congestion control in wireless sensor networks

Efficient Node Placement for Congestion Control in Wireless Sensor Networks

“…The algorithms we examined are ESRT ( [7]), Sen-TCP ( [8]), Directed Diffusion ( [9]), HTAP ( [10]) and Flooding, in Simple Diffusion, Random, Grid and Biased-Random Placements. Each algorithm represents a special category of congestion control and routing algorithm.…”

“…Several transport control schemes and algorithms have been proposed in the literature ( [7,8,10,17,[19][20][21][22][23][24][25]). Their objectives and approach differs.…”

“…Their objectives and approach differs. The vast majority of them ( [7,8] and [17] to [22]) react to congestion with rate limiting techniques ("traffic control" algorithms).…”

“…Some focus more on reliability issues instead of congestion ( [7,24,25]) ("reliable data transport" algorithms). In our evaluation we consider one algorithm from each major category: ESRT ( [7]) which is "traffic control" algorithm focusing on reliability, SenTCP ( [8]) which is a "traffic control" algorithm focusing on congestion, and HTAP ( [10]) which is "resource control" algorithm. We also employ Directed Diffusion ( [9]) algorithm, an algorithm not explicitly designed for congestion control but it can be considered as so, since it employs a combination of "traffic control" and "resource control" techniques in order to provide multiple disjoint paths to the sink.…”

“…The examined algorithms are ESRT ( [7]), Sen-TCP ( [8]), Directed Diffusion ( [9]), HTAP ( [10]) and Flooding. These algorithms are evaluated under four different placements.…”