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1. WO1996017460 - METHODS AND SYSTEMS FOR PREVENTING UNNECESSARY FILE TRANSFERS BETWEEN A SERVER AND A REMOTE NODE

Publication Number WO/1996/017460
Publication Date 06.06.1996
International Application No. PCT/US1995/014490
International Filing Date 21.11.1995
Chapter 2 Demand Filed 12.06.1996
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 29/08 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
08Transmission control procedure, e.g. data link level control procedure
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
H04L 67/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
67Network-specific arrangements or communication protocols supporting networked applications
06adapted for file transfer, e.g. file transfer protocol [FTP]
H04L 69/329
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
69Application independent communication protocol aspects or techniques in packet data networks
30Definitions, standards or architectural aspects of layered protocol stacks
32High level architectural aspects of 7-layer open systems interconnection [OSI] type protocol stacks
322Aspects of intra-layer communication protocols among peer entities or protocol data unit [PDU] definitions
329in the application layer, i.e. layer seven
Applicants
  • XCELLENET, INC. [US]/[US] (AllExceptUS)
  • TRUGMAN, Rodney, M. [US]/[US] (UsOnly)
  • OWEN, Joseph, W. [US]/[US] (UsOnly)
  • NAWAR, Shereef, W. [US]/[US] (UsOnly)
Inventors
  • TRUGMAN, Rodney, M.
  • OWEN, Joseph, W.
  • NAWAR, Shereef, W.
Agents
  • BIGEL, Mitchell, S.
Priority Data
08/348,59602.12.1994US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHODS AND SYSTEMS FOR PREVENTING UNNECESSARY FILE TRANSFERS BETWEEN A SERVER AND A REMOTE NODE
(FR) PROCEDE ET SYSTEME PERMETTANT D'EVITER LES TRANSFERTS INUTILES DE FICHIERS ENTRE UN SERVEUR ET UN NOEUD ELOIGNE
Abstract
(EN)
Unnecessary file transfers between a data processing server (104) and a plurality of remote/mobile nodes (116) which are temporarily and intermittently linked to the server are prevented if insufficient storage is available at the destination or if an updated version of an existing file is not newer than the existing file. File transfers are inhibited if insufficient storage space is available by checking the disk space or other storage space at the destination and inhibiting file transfer if insufficient space is available. Transfer of an updated version of a file is prevented if the updated timestamp is not newer than the existing timestamp at the destination. Unnecessary file transfers are thereby prevented and connection time of the remote/mobile link is reduced.
(FR)
Il est possible d'éviter les transferts de fichiers entre un serveur de traitement des données (104) et une pluralité de n÷uds mobiles/éloignés (116) reliés temporairement et de manière intermittente au serveur, lorsque la capacité de stockage disponible à la destination est insuffisante ou qu'une version mise à jour du fichier existant ne présente pas de nouveautés par rapport audit fichier existant. Le transfert des fichiers ne peut se faire si on découvre, en contrôlant la capacité de stockage disponible sur le disque ou toute autre capacité de stockage, que cette capacité est insuffisante. Le transfert d'une version mise à jour d'un fichier est empêché si la date de mise à jour n'est pas plus récente que celle existant à la destination. On évite ainsi les transferts inutiles de fichiers tout en réduisant le temps de connexion pour la liaison éloignée/mobile.
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