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- Publisher Website: 10.1109/ICCS.2016.7833560
- Scopus: eid_2-s2.0-85013917502
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Conference Paper: Optimal Delay Control for Combating Bufferbloat in the Internet
Title | Optimal Delay Control for Combating Bufferbloat in the Internet |
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Authors | |
Keywords | active queue management bufferbloat congestion control control system |
Issue Date | 2016 |
Publisher | IEEE. The Proceedings' web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000102 |
Citation | 2016 IEEE International Conference on Communication Systems (ICCS), Shenzhen, China, 14-16 December 2016 How to Cite? |
Abstract | Nowadays, inexpensive memory has led to large router buffers in the Internet, leading to excessively long queues and high latency. This phenomenon is recently termed as “bufferbloat.” Recently, Controlled Delay (CoDel) has been proposed as an active queue management (AQM) algorithm to address this problem by setting a limit (i.e., a target delay) on the queueing delay. However, such a target delay is fixed, and CoDel is thus unable to adapt to changes in the network environment. In this paper, we propose a framework to adaptively control the target delay with changing network conditions, so as to overcome bufferbloat. Specifically, we first develop a theoretical model to analyze the stability of CoDel and derive the stable range of the target delay using control theory. We then propose Adaptive CoDel, which dynamically selects an optimal value of the target delay in the stable range, such that the aggregate TCP goodput is maximized, while keeping the system stable. Our simulation results show that Adaptive CoDel not only effectively controls the queueing delay, but also achieves higher aggregate TCP goodput compared to other AQM algorithms. |
Persistent Identifier | http://hdl.handle.net/10722/243315 |
ISBN |
DC Field | Value | Language |
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dc.contributor.author | Ye, J | - |
dc.contributor.author | Leung, KC | - |
dc.contributor.author | Li, VOK | - |
dc.date.accessioned | 2017-08-25T02:53:11Z | - |
dc.date.available | 2017-08-25T02:53:11Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | 2016 IEEE International Conference on Communication Systems (ICCS), Shenzhen, China, 14-16 December 2016 | - |
dc.identifier.isbn | 978-1-5090-3423-9 | - |
dc.identifier.uri | http://hdl.handle.net/10722/243315 | - |
dc.description.abstract | Nowadays, inexpensive memory has led to large router buffers in the Internet, leading to excessively long queues and high latency. This phenomenon is recently termed as “bufferbloat.” Recently, Controlled Delay (CoDel) has been proposed as an active queue management (AQM) algorithm to address this problem by setting a limit (i.e., a target delay) on the queueing delay. However, such a target delay is fixed, and CoDel is thus unable to adapt to changes in the network environment. In this paper, we propose a framework to adaptively control the target delay with changing network conditions, so as to overcome bufferbloat. Specifically, we first develop a theoretical model to analyze the stability of CoDel and derive the stable range of the target delay using control theory. We then propose Adaptive CoDel, which dynamically selects an optimal value of the target delay in the stable range, such that the aggregate TCP goodput is maximized, while keeping the system stable. Our simulation results show that Adaptive CoDel not only effectively controls the queueing delay, but also achieves higher aggregate TCP goodput compared to other AQM algorithms. | - |
dc.language | eng | - |
dc.publisher | IEEE. The Proceedings' web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000102 | - |
dc.relation.ispartof | International Conference on Communication Systems (ICCS) | - |
dc.rights | International Conference on Communication Systems (ICCS). Copyright © IEEE. | - |
dc.rights | ©2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | - |
dc.subject | active queue management | - |
dc.subject | bufferbloat | - |
dc.subject | congestion control | - |
dc.subject | control system | - |
dc.title | Optimal Delay Control for Combating Bufferbloat in the Internet | - |
dc.type | Conference_Paper | - |
dc.identifier.email | Ye, J: jcye@eee.hku.hk | - |
dc.identifier.email | Leung, KC: kcleung@eee.hku.hk | - |
dc.identifier.email | Li, VOK: vli@eee.hku.hk | - |
dc.identifier.authority | Leung, KC=rp00147 | - |
dc.identifier.authority | Li, VOK=rp00150 | - |
dc.identifier.doi | 10.1109/ICCS.2016.7833560 | - |
dc.identifier.scopus | eid_2-s2.0-85013917502 | - |
dc.identifier.hkuros | 274681 | - |
dc.identifier.hkuros | 279683 | - |
dc.publisher.place | United States | - |