A measurement-based approach for multilevel admission of heterogeneous traffic in wireless ad-hoc networks

McCann, C.J.; Elmasry, George F.; Russell, Brian; Welsh, B.

doi:10.1109/milcom.2004.1495171

Cited by 12 publications

(10 citation statements)

References 5 publications

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“…Initially admit data sessions, observe their experienced QoS, or their effect on the network resources and reject some traffic later [40], [43]; • again, assume a route has been found. Initially admit traffic on a best-effort basis, and make QoS guarantees if locally-available node resources permit it.…”

Section: Basis For Admission Decisions and Methods Of Resource Dismentioning

confidence: 99%

“…The passive measurement-based AC (PMAC) protocol, presented in [40], makes decisions constrained by the measured PLR and end-to-end delay experienced by data packets. In this scheme, assuming a route is known, when a session request first arrives, the source node marks each data packet with a sequence number and a time-stamp (assuming a global clock).…”

Section: ) a Passive Measurement-based Approach To Acmentioning

confidence: 99%

“…1) rely on the routing protocol to re-route affected sessions and simply restart the AC process each time a session is re-routed [15], [16], [19], [28], [29], [30], [31], [33], [32], [34], [36], [37], [39], [40], [41], [42], [43]; 2) notify source nodes which then decrease the rate of, or pause packet sending for affected sessions. This at least avoids the development of congestion, but these sessions must then be re-admitted anyway [11], [25], [38], [24], [45]; 3) or attempt fast local route repair to limit the QoS assurance violation time and the development of congestion [18], [27].…”

Section: E Approach To Coping With Mobilitymentioning

confidence: 99%

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Admission control schemes for 802.11-based multi-hop mobile ad hoc networks: a survey

Hanzo

Tafazolli

2009

IEEE Commun. Surv. Tutorials

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Abstract-Mobile ad hoc networks (MANETs) promise unique communication opportunities. The IEEE 802.11 standard has allowed affordable MANETs to be realised. However, providing Quality of Service (QoS) assurances to MANET applications is difficult due to the unreliable wireless channel, the lack of centralised control, contention for channel access and node mobility. One of the most crucial components of a system for providing QoS assurances is admission control (AC). It is the job of the AC mechanism to estimate the state of the network's resources and thereby to decide which application data sessions can be admitted without promising more resources than are available and thus violating previously made guarantees. Unfortunately, due to the aforementioned difficulties, estimating the network resources and maintaining QoS guarantees are non-trivial tasks. Accordingly, a large body of work has been published on AC protocols for addressing these issues. However, as far as it is possible to tell, no wide-ranging survey of these approaches exists at the time of writing. This paper thus aims to provide a comprehensive survey of the salient unicast AC schemes designed for IEEE 802.

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Section: Basis For Admission Decisions and Methods Of Resource Dismentioning

confidence: 99%

Section: ) a Passive Measurement-based Approach To Acmentioning

confidence: 99%

Section: E Approach To Coping With Mobilitymentioning

confidence: 99%

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Admission control schemes for 802.11-based multi-hop mobile ad hoc networks: a survey

Hanzo

Tafazolli

2009

IEEE Commun. Surv. Tutorials

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“…Directed Throughput Graphs (DTG) have been developed by Telecordia for the JTRS program [35]. QED has been developed by General Dynamics for the WIN-T program [36]. These methods use short timing messages between source and destination.…”

Section: Figure 8: Traffic Data Flow Compositionmentioning

confidence: 99%

Dynamic message prioritization in tactical wireless MANET

Mayhew

2010

2010 IEEE Aerospace Conference

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Normal design practice is to decouple the design of applications using a network from the design of the network itself. Designers optimize network performance by only focusing on network transport layer mechanisms for robustness (connectivity), efficiency (throughput), & speed of service (latency). Applications offer loads to the network and rely on the QoS function in the network to prioritize the traffic flows. By contrast, network centric operations focus on application layer features like situation awareness and synchronization to enhance force effectiveness. Therefore, in contrast to enterprise networks in which QoS processes messages based on fixed priorities by data type, in mission orientated MANET, QoS must be a cooperative function between application and network resource management that uses dynamic priority allocation derived from task priorities established by commanders within echelon hierarchies 1,2 .

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“…On the plain text side, measuring the characteristics of the traffic flow can be used to perform QoS edge functions such as Measurement Based Admission Control (MBAC) [3]. On the plain text side, detecting radio blockage over a given path can be used to enhance CAC policies by separating blockage from congestion and thus not erroneously dropping or blocking lower precedence traffic.…”

Section: Introductionmentioning

confidence: 99%

Enhancing TCP and CAC Performance Through Detecting Radio Blockage at the Plain Text Side

Elmasry

Russell²,

McCann³

MILCOM 2005 - 2005 IEEE Military Communications Conference

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Encryption partitions tactical networks into plain text and cipher text sides, and information exchange between these two sides is severely restricted. This paper presents a QoS edge technique, on the plain text side, for detecting radio blockage due to foliage and terrain. Detected blockage can be used to enhance Call Admission Control (CAC) policies by distinguishing between blockage and congestion. Similarly, by distinguishing between blockage and satellite or Link Layer induced delay, this technique can aid decision making as regards the use of a TCP proxy. This detection technique does not preclude but rather complements other blockage mitigation techniques on the cipher text side (e.g., link layer ARQ).

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A measurement-based approach for multilevel admission of heterogeneous traffic in wireless ad-hoc networks

Cited by 12 publications

References 5 publications

Admission control schemes for 802.11-based multi-hop mobile ad hoc networks: a survey

Admission control schemes for 802.11-based multi-hop mobile ad hoc networks: a survey

Dynamic message prioritization in tactical wireless MANET

Enhancing TCP and CAC Performance Through Detecting Radio Blockage at the Plain Text Side

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