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1. (WO2018202282) DEVICE AND METHOD FOR MONITORING A TCP CONNECTION
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Pub. No.: WO/2018/202282 International Application No.: PCT/EP2017/060455
Publication Date: 08.11.2018 International Filing Date: 03.05.2017
IPC:
H04L 1/18 (2006.01) ,H04L 1/16 (2006.01) ,H04L 1/00 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1
Arrangements for detecting or preventing errors in the information received
12
by using return channel
16
in which the return channel carries supervisory signals, e.g. repetition request signals
18
Automatic repetition systems, e.g. van Duuren system
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1
Arrangements for detecting or preventing errors in the information received
12
by using return channel
16
in which the return channel carries supervisory signals, e.g. repetition request signals
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1
Arrangements for detecting or preventing errors in the information received
Applicants:
DRORI, Nir [IL/DE]; DE (US)
HUAWEI TECHNOLOGIES CO., LTD. [CN/CN]; Huawei Administration Building Bantian Longgang District Shenzhen, Guangdong 518129, CN
Inventors:
DRORI, Nir; DE
PECHTALT, Itzcak; DE
ALMOG, Guy; DE
SHARGIL, Ido; DE
HUANG, Zhigang; DE
Agent:
KREUZ, Georg; DE
Priority Data:
Title (EN) DEVICE AND METHOD FOR MONITORING A TCP CONNECTION
(FR) DISPOSITIF ET PROCÉDÉ DE SURVEILLANCE D'UNE CONNEXION TCP
Abstract:
(EN) The present invention provides a device 100 for monitoring a TCP connection between a server 502 and a terminal 501. The device 100 is thereby configured to detect ACK and SACK messages sent via the TCP connection from the terminal 501 to the server 502, due to packet reordering, store each detected SACK message for a pre-determined time period, determine, whether a detected ACK message is correlated with a stored SACK message, and clear a stored SACK message that is correlated with a detected ACK message.
(FR) La présente invention concerne un dispositif (100) de surveillance d'une connexion TCP entre un serveur (502) et un terminal (501). Le dispositif (100) est ainsi configuré pour détecter des messages ACK et SACK envoyés par l'intermédiaire de la connexion TCP du terminal (501) au serveur (502), en raison de la réorganisation de paquets, pour stocker chaque message SACK détecté pendant une période de temps prédéterminée, pour déterminer si un message ACK détecté est corrélé à un message SACK stocké, et pour effacer un message SACK stocké qui est corrélé avec un message ACK détecté.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)