Reducing Routing Loops under Dynamic Metrics in Wireless Mesh Networks

Yoshihiro, Takuya

doi:10.1109/glocom.2010.5684056

Cited by 4 publications

(8 citation statements)

References 13 publications

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“…Note that, reference [36] theoretically proved that we could achieve loop-freedom at any instant with sufficiently small value of r as long as no link fails. Unfortunately, such loop-free value of r is too small to use in practice.…”

Section: Loop-prevention For Proactive Networkmentioning

confidence: 90%

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Reducing Routing Loops Under Link-State Routing in Wireless Mesh Networks

Yoshihiro¹

2012

Wireless Ad-Hoc Networks

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of MAC transmission, and ETT (Expected Transmission Time) [13] extends ETX to quantify the average transmission time of a MAC frame in the link.As far as proactive link-state routing such as OLSR is concerned, it is well understood that introducing dynamic link metrics make networks far robust and resilient, and consequently improve performance of networks in practical situations. However, simultaneously, such dynamic metrics cause communication paths to be changed frequently. Note that the paths flapping behavior is not always bad, because it is the result of continuous effort of routing protocols to find better quality paths. Nevertheless, it certainly increases the risk of several inconvenient phenomena such as packet looping.

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Section: Loop-prevention For Proactive Networkmentioning

confidence: 90%

“…As a method to reduce routing loops in wireless mesh networks, LMR (Loop-free Metric Range) is presented in [36]. The idea of LMR is to prevent rapid changes of metrics by applying the changeable range of metrics per unit time.…”

Section: Loop-prevention For Proactive Networkmentioning

confidence: 99%

Reducing Routing Loops Under Link-State Routing in Wireless Mesh Networks

Yoshihiro¹

2012

Wireless Ad-Hoc Networks

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“…We believe this is attributable to a lack of optimization of the LMR parameter in the simulation. In our simulation, we set the LMR parameter to 1.05 based on a previous study [8]. However, the optimal parameter value is environmentally dependent and not constant.…”

Section: With Lossy Areamentioning

confidence: 99%

“…Such an environment is unrealistic; therefore, we introduced the lossy area and set its frame loss rate to 50%. We compare the proposed protocol to OLSR, OLSR with ETX (OLSR-ETX), and OLSR with loop-free metric range) (LMR) [8]. LMR is a modified metric used to reduce routing loops.…”

Section: Simulation Setupmentioning

confidence: 99%

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A hybrid loop-free routing protocol for wireless mesh networks

Takimoto

Shuhei

Otsuki

et al. 2014

International Conference on Frontiers of Communications, Networks and Applications (ICFCNA 2014 - Malaysia)

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A loop-free routing protocol for wireless mesh networks that uses two hybrid methods to solve routing loop problems is proposed. The hybrid methods are as follows: 1) dynamic and static metrics and 2) reactive routing protocol RREQ/RREP mechanisms and proactive methods. The proposed protocol adopts incremental routing to construct routes in the initial state. Simulation evaluations indicate that routing loops occurred when existing routing protocols, such as OLSR, were used. In addition, throughput and communication delay fluctuated significantly with existing methods. No routing loops occurred with the proposed protocol. The proposed protocol achieves stable transition of throughput and low communication delay.

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