Framework for TCP Throughput Testing

Constantine, Barry; Forget, Gilles; Geib, Rüdiger; Schrage, Reinhard

doi:10.17487/rfc6349

Cited by 45 publications

(23 citation statements)

References 2 publications

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“…We assume that there are several RadSec proxies that are geographically distributed. In this case, mesh APs need to select the nearest RadSec proxy from them because TCP throughput decreases with the increases of Round Trip Time [14]. The procedure that a mesh AP connects to the appropriate RadSec proxy is shown as follows (Fig.…”

Section: Automatic Authentication Path Generation Over Wmnsmentioning

confidence: 99%

Easy-to-Deploy Wireless Mesh Network System with User Authentication and WLAN Roaming Features

Niizuma

Goto

2017

IEICE Trans. Inf. & Syst.

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SUMMARYWireless LAN (WLAN) roaming systems, such as eduroam, enable the mutual use of WLAN facilities among multiple organizations. As a consequence of the strong demand for WLAN roaming, it is utilized not only at universities and schools but also at the venues of large events such as concerts, conferences, and sports events. Moreover, it has also been reported that WLAN roaming is useful in areas afflicted by natural disasters. This paper presents a novel WLAN roaming system over Wireless Mesh Networks (WMNs) that is useful for the use cases shown above. The proposed system is based on two methods as follows: 1) Automatic authentication path generation method decreases the WLAN roaming system deployment costs including the wiring cost and configuration cost. Although the wiring cost can be reduced by using WMN technologies, some additional configurations are still required if we want to deploy a secure user authentication mechanism (e.g. IEEE 802.1X) on WLAN systems. In the proposed system, the Access Points (APs) can act as authenticators automatically using RadSec instead of RADIUS. Therefore, the network administrators can deploy 802.1X-based authentication systems over WMNs without additional configurations on-site. 2) Local authentication method makes the system deployable in times of natural disasters, in particular when the upper network is unavailable or some authentication servers or proxies are down. In the local authentication method, users and APs can be authenticated at the WMN by locally verifying the digital certificates as the authentication credentials.

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Section: Automatic Authentication Path Generation Over Wmnsmentioning

confidence: 99%

Easy-to-Deploy Wireless Mesh Network System with User Authentication and WLAN Roaming Features

Niizuma

Goto

2017

IEICE Trans. Inf. & Syst.

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“…30 We used four performance metrics, namely throughput, goodput, efficiency and receiver efficiency defined in equations (6-9), respectively, as defined in RFC 6349 27 …”

Section: Performance Measurementsmentioning

confidence: 99%

Network-coded internet-friendly transport protocol

Ridgewell

ElAarag

2017

Journal of Algorithms & Computational Technology

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This paper presents the design of network-coded TCP (NCTCP). NCTCP is a reliable TCP-like transport protocol that uses network coding to dramatically improve the overall performance in networks with lossy links. By sending datagrams that represent a linear combination of packets, we are able to receive data in an orderless fashion and still push data in byte-correct order to the receiver.s application layer. To eliminate roundoff errors, we generate consecutive-ones linear combinations of packets that form totally unimodular matrices. We then decode these datagrams using an efficient technique. In addition, NCTCP has an additive increase multiplicative decrease (AIMD) congestion control mechanism that uses round-trip times to increase the performance on wireless networks without hurting the performance on wired networks. Unlike TCP.s AIMD mechanism, NCTCP does not use a congestion window. Furthermore, NCTCP can be implemented in user space and hence does not need any changes to the kernel. We test our protocol using ns-2 simulator using several performance measurements, namely, throughput, goodput, efficiency and receiver efficiency. Our simulations show that NCTCP performs better than standard TCP implementations and previously proposed network coding protocols; TCP/NC and CTCP. We also demonstrate that NCTCP is TCP-friendly and maintains the fairness property essential for the health of the internet.

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“…Baseline RTT Note that even though this was not explicitly stated in [RFC6349], retransmitted packets should not be used in RTT measurements.…”

Section: Metrics For Stateless Traffic Testsmentioning

confidence: 99%

“…The TCP test host will have many of the same attributes as the TCP test host defined in [RFC6349]. The TCP test device may be a standard computer or a dedicated communications test instrument.…”

Section: Stateful Test Pattern Generationmentioning

confidence: 99%