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1. WO2020111456 - METHOD FOR GENERATING TCP SESSION BY SDN NETWORK AND SDN NETWORK TO WHICH SAME METHOD IS APPLIED

Publication Number WO/2020/111456
Publication Date 04.06.2020
International Application No. PCT/KR2019/010909
International Filing Date 27.08.2019
IPC
H04L 29/06 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
29Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/-H04L27/136
02Communication control; Communication processing
06characterised by a protocol
H04L 12/841 2013.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
70Packet switching systems
801Flow control or congestion control
841Flow control actions using time consideration, e.g. round trip time
CPC
H04L 29/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
29Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00
02Communication control
06characterised by a protocol
Applicants
  • 숭실대학교산학협력단 FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION [KR]/[KR]
Inventors
  • 박민호 PARK, Min Ho
  • 안성원 AN, Sung Won
Agents
  • 심경식 SHIM, Kyoung-Shik
  • 홍성욱 HONG, Sung-Wook
Priority Data
10-2018-014781126.11.2018KR
10-2018-017358731.12.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) METHOD FOR GENERATING TCP SESSION BY SDN NETWORK AND SDN NETWORK TO WHICH SAME METHOD IS APPLIED
(FR) PROCÉDÉ PERMETTANT DE GÉNÉRER UNE SESSION TCP PAR RÉSEAU SDN ET RÉSEAU SDN AUQUEL LE MÊME PROCÉDÉ EST APPLIQUÉ
(KO) SDN 네트워크의 TCP 세션 생성 방법 및 그 방법이 적용된 SDN 네트워크
Abstract
(EN)
A method for generating a TCP session by a host and a server through a software defined networking (SDN) network according to an embodiment of the present invention comprises the steps of: when the SDN network receives a first SYN packet from the host, waiting until a second SYN packet is received; when the SDN network receives the second SYN packet, transmitting the second SYN packet to the server; receiving an SYN+ACK packet as a response to the second SYN packet from the server and transmitting the SYN+ACK packet to the host, by the SDN network; and when the SDN network receives an ACK packet as a response to the SYN+ACK packet from the host, transmitting the ACK packet to the server to generate a TCP session.
(FR)
Selon un mode de réalisation, la présente invention concerne un procédé permettant de générer une session TCP par un hôte et un serveur à travers un réseau de réseautage défini par logiciel (SDN) qui comprend les étapes consistant à : lorsque le réseau SDN reçoit un premier paquet SYN en provenance de l'hôte, attendre jusqu'à ce qu'un second paquet SYN soit reçu ; lorsque le réseau SDN reçoit le second paquet SYN, transmettre le second paquet SYN au serveur ; recevoir un paquet SYN + ACK en réponse au second paquet SYN en provenance du serveur et transmettre le paquet SYN + ACK à l'hôte, par le réseau SDN ; et lorsque le réseau SDN reçoit un paquet ACK en réponse au paquet SYN + ACK en provenance de l'hôte, transmettre le paquet ACK au serveur afin de générer une session TCP.
(KO)
본 발명의 일 실시예에 따른 SDN(software defined networking) 네트워크를 통해 호스트와 서버가 TCP 세션을 생성하는 방법은 상기 SDN 네트워크가 상기 호스트로부터 제1 SYN 패킷을 수신하면, 제2 SYN 패킷을 수신할 때까지 대기하는 단계; 상기 SDN 네트워크가 상기 제2 SYN 패킷을 수신하면, 상기 제2 SYN 패킷을 상기 서버에게 전송하는 단계; 상기 SDN 네트워크가 상기 서버로부터 상기 제2 SYN 패킷에 대한 응답으로 SYN+ACK 패킷을 수신하여, 상기 호스트에게 전송하는 단계; 및 상기 SDN 네트워크가 상기 호스트로부터 상기 SYN+ACK 패킷에 대한 응답으로 ACK 패킷을 수신하면, 상기 ACK 패킷을 상기 서버에게 전송하여 TCP 세션을 생성하는 단계를 포함한다.
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