A cross-layer approach for TCP optimization over wireless and mobile networks

Myungjin Lee; Moonsoo Kang; Myungchul Kim; Jeonghoon Mo

doi:10.1016/j.comcom.2008.03.017

A cross-layer approach for TCP optimization over wireless and mobile networks

Myungjin Lee, Moonsoo Kang, Myungchul Kim, Jeonghoon Mo

Department of Industrial Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

We propose a path recovery notification (TCP-PRN) mechanism to prevent performance degradation during a handoff. Even though Freeze-TCP achieves a performance increase during handoff, detecting accurate handoff time and the vulnerability of high variation in the round trip time (RTT) become obstacles for deploying Freeze-TCP in a real environment. The proposed protocol, TCP-PRN, quickly recovers lost packets by restoring the congestion window, preventing the congestion window to decrease, or immediately initiating the slow start algorithm. The simulation results of our study show better performance in a more realistic environment where the handoff prediction is difficult and the variation of RTT is higher.

Original language	English
Pages (from-to)	2669-2675
Number of pages	7
Journal	Computer Communications
Volume	31
Issue number	11
DOIs	https://doi.org/10.1016/j.comcom.2008.03.017
Publication status	Published - 2008 Jul 15

Bibliographical note

Funding Information:
This work was partially supported by the Korea Science and Engineering Foundation (KOSEF) grant funded by the Korea government(MOST)(No. R11-2000-074-02006-0). This work was partially supported by 2nd Phase of Brain Korea 21 project sponsored by Ministry of Education and Human Resources Development, Korea.

All Science Journal Classification (ASJC) codes

Computer Networks and Communications

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10.1016/j.comcom.2008.03.017

Cite this

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abstract = "We propose a path recovery notification (TCP-PRN) mechanism to prevent performance degradation during a handoff. Even though Freeze-TCP achieves a performance increase during handoff, detecting accurate handoff time and the vulnerability of high variation in the round trip time (RTT) become obstacles for deploying Freeze-TCP in a real environment. The proposed protocol, TCP-PRN, quickly recovers lost packets by restoring the congestion window, preventing the congestion window to decrease, or immediately initiating the slow start algorithm. The simulation results of our study show better performance in a more realistic environment where the handoff prediction is difficult and the variation of RTT is higher.",

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AU - Kang, Moonsoo

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AU - Mo, Jeonghoon

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N2 - We propose a path recovery notification (TCP-PRN) mechanism to prevent performance degradation during a handoff. Even though Freeze-TCP achieves a performance increase during handoff, detecting accurate handoff time and the vulnerability of high variation in the round trip time (RTT) become obstacles for deploying Freeze-TCP in a real environment. The proposed protocol, TCP-PRN, quickly recovers lost packets by restoring the congestion window, preventing the congestion window to decrease, or immediately initiating the slow start algorithm. The simulation results of our study show better performance in a more realistic environment where the handoff prediction is difficult and the variation of RTT is higher.

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A cross-layer approach for TCP optimization over wireless and mobile networks

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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