Sangtae T. Ha

Works (4)

Updated: July 5th, 2023 15:50

2011 article

Taming the elephants: New TCP slow start

Ha, S., & Rhee, I. (2011, March 1). Computer Networks.

By: S. Ha* & I. Rhee n

author keywords: Slow start; Congestion control; Linux slow start; SACK processing; High-speed TCP protocols
topics (OpenAlex): Network Traffic and Congestion Control; Software-Defined Networks and 5G; Advanced Optical Network Technologies
TL;DR: A new slow start algorithm, called Hybrid Start (HyStart), is proposed, that finds a ''safe'' exit point for slow start at which it can terminate and safely advance to the congestion avoidance phase without causing heavy packet loss. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2009 article

DiffQ: Practical Differential Backlog Congestion Control for Wireless Networks

Warrier, A., Janakiraman, S., Ha, S., & Rhee, I. (2009, April 1).

By: A. Warrier n, S. Janakiraman n, S. Ha n & I. Rhee n

topics (OpenAlex): Wireless Networks and Protocols; Advanced Wireless Network Optimization; Mobile Ad Hoc Networks
TL;DR: This work is the first that implements in real off-shelf radios, a differential backlog based MAC scheduling and router-assisted backpressure congestion control for multi-hop wireless networks, called DiffQ, which is implemented between transport and IP and supports legacy TCP and UDP applications. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2008 article

Stochastic convex ordering for multiplicative decrease internet congestion control

Cai, H., Eun, D. Y., Ha, S., Rhee, I., & Xu, L. (2008, November 12). Computer Networks, Vol. 53, pp. 365–381.

By: H. Cai n, D. Eun n , S. Ha n, I. Rhee n & L. Xu*

Contributors: H. Cai n, D. Eun n , S. Ha n, I. Rhee n & L. Xu*

author keywords: High-speed TCP; Convex ordering; Window growth function
topics (OpenAlex): Network Traffic and Congestion Control; Advanced Wireless Network Optimization; Interconnection Networks and Systems
TL;DR: A new stochastic tool, called convex ordering, is presented that provides an ordering of any convex function of transmission rates of two multiplicative-decrease protocols and valuable insights into high-order behaviors of protocols. (via Semantic Scholar)
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Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 article

Impact of background traffic on performance of high-speed TCP variant protocols

Ha, S., Le, L., Rhee, I., & Xu, L. (2006, November 30). Computer Networks.

By: S. Ha n, L. Le n, I. Rhee n & L. Xu *

topics (OpenAlex): Network Traffic and Congestion Control; Software-Defined Networks and 5G; Advanced Wireless Network Optimization
TL;DR: The stability, link utilization, convergence speed and fairness of the protocols are clearly affected by the variability of flow sizes and round-trip times (RTTs), and the amount of background flows competing with high-speed flows in a bottleneck router. (via Semantic Scholar)
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Source: NC State University Libraries
Added: August 6, 2018

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