Receiver-Based ACK Splitting Mechanism for TCP over Wired/Wireless Heterogeneous Networks

Hasegawa, Go; Nakata, Masashi; Nakano, Hirotaka

doi:info:doi/10.1093/ietcom/e90-b.5.1132

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タイトル	Receiver-Based ACK Splitting Mechanism for TCP over Wired/Wireless Heterogeneous Networks
著者	Hasegawa, Go Hasegawa, Go
	Nakata, Masashi Nakata, Masashi
	Nakano, Hirotaka Nakano, Hirotaka
キーワード等	TCP
	wired/wireless heterogeneous networks
	ACK splitting mechanism
	congestion control mechanism
抄録	With the rapid development of wireless network technologies, heterogeneous networks with wired and wireless links are becoming common. However, the performance of TCP data transmission deteriorates significantly when a TCP connection traverses such networks, mainly because of packet losses caused by the high bit error rate of wireless links. Many solutions for this problem have been proposed in the past literature. However, most of them have various drawbacks, such as difficulties in their deployment by the wireless access network provider and end users, violation of TCP's end-to-end principle by splitting the TCP connection, or inapplicability to IP-level encrypted traffic because the base station needs to access the TCP header. In this paper, we propose a new mechanism without such drawbacks to improve the performance of TCP over wired and wireless heterogeneous networks. Our mechanism employs a receiver-based approach, which does not need modifications to be made to the sender TCP or the base station. It uses the ACK-splitting method for increasing the congestion window size quickly in order to restrain the throughput degradation caused by packet losses due to the high bit error rate of wireless links. We evaluate the performance of our mechanism and show that our mechanism can increase throughput by up to 94% in a UMTS network. The simulation results also show that our mechanism does not significantly deteriorate even when the receiver cannot perfectly distinguish whether packet losses are due to network congestion or bit errors on the wireless links.
公開者	Institute of Electronics, Information and Communication Engineers
掲載誌名	IEICE Transactions on Communications
巻	E90-B
号	5
開始ページ	1132
終了ページ	1141
刊行年月	2007-05-01
ISSN	09168516
NCID	AA10826261
DOI	info:doi/10.1093/ietcom/e90-b.5.1132
URL	http://hdl.handle.net/11094/23099
関連情報 (references)	https://search.ieice.org/
権利情報	Copyright © 2007 The Institute of Electronics, Information and Communication Engineers
言語	英語
カテゴリ	学術雑誌論文 Journal Article

著者版フラグ	publisher
NII資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
dcmi資源タイプ	text
DCTERMS.bibliographicCitation	IEICE Transactions on Communications.E90-B(5) P.1132-P.1141
DC.title	Receiver-Based ACK Splitting Mechanism for TCP over Wired/Wireless Heterogeneous Networks
DC.creator	Hasegawa, Go
	Nakata, Masashi
	Nakano, Hirotaka
DC.publisher	Institute of Electronics, Information and Communication Engineers
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	2007-05-01
DC.identifier	info:doi/10.1093/ietcom/e90-b.5.1132
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/23099
DC.subject	TCP
	wired/wireless heterogeneous networks
	ACK splitting mechanism
	congestion control mechanism
DCTERMS.abstract	With the rapid development of wireless network technologies, heterogeneous networks with wired and wireless links are becoming common. However, the performance of TCP data transmission deteriorates significantly when a TCP connection traverses such networks, mainly because of packet losses caused by the high bit error rate of wireless links. Many solutions for this problem have been proposed in the past literature. However, most of them have various drawbacks, such as difficulties in their deployment by the wireless access network provider and end users, violation of TCP's end-to-end principle by splitting the TCP connection, or inapplicability to IP-level encrypted traffic because the base station needs to access the TCP header. In this paper, we propose a new mechanism without such drawbacks to improve the performance of TCP over wired and wireless heterogeneous networks. Our mechanism employs a receiver-based approach, which does not need modifications to be made to the sender TCP or the base station. It uses the ACK-splitting method for increasing the congestion window size quickly in order to restrain the throughput degradation caused by packet losses due to the high bit error rate of wireless links. We evaluate the performance of our mechanism and show that our mechanism can increase throughput by up to 94% in a UMTS network. The simulation results also show that our mechanism does not significantly deteriorate even when the receiver cannot perfectly distinguish whether packet losses are due to network congestion or bit errors on the wireless links.
DC.rights	Copyright © 2007 The Institute of Electronics, Information and Communication Engineers
citation_title	Receiver-Based ACK Splitting Mechanism for TCP over Wired/Wireless Heterogeneous Networks
citation_author	Hasegawa, Go
	Nakata, Masashi
	Nakano, Hirotaka
citation_publisher	Institute of Electronics, Information and Communication Engineers
citation_language	英語
citation_date	2007-05-01
citation_journal_title	IEICE Transactions on Communications
citation_volume	E90-B
citation_issue	5
citation_firstpage	1132
citation_lastpage	1141
citation_issn	09168516
citation_doi	info:doi/10.1093/ietcom/e90-b.5.1132
citation_public_url	http://hdl.handle.net/11094/23099
citation_keywords	TCP
	wired/wireless heterogeneous networks
	ACK splitting mechanism
	congestion control mechanism

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