Method and system for measuring remote-access vpn quality of...

H - Electricity – 04 – L

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H04L 12/26 (2006.01) H04L 9/32 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2552464

A method and apparatus for providing quality of service (QoS) measurements for remote-access users of a virtual private network (VPN) utilizes hardware/software at the remote VPN client to collect information related to the remote client's ability to connect to the VPN and remain connected. A centralized server is configured to query each remote client and upload the collected connection data, the server functioning to analyze the collected data to determine QoS information in terms of, for example, "VPN accessibility" (defined as success rate for connection to VPN servers), "VPN sustainability" (defined as the ability to maintain a network connection), and "VPN availability" (defined as the ability of a persistent remote-access location to maintain its network connect). The QoS measurements allow the VPN service provider to improve the experience of remote access users, generate alarms and reports, and may also be used to form service level agreements (SLAs) with such users.

L'invention concerne un procédé et un dispositif de mesure de la qualité de service (QoS) pour des utilisateurs accédant à distance à des réseaux privés virtuels (VPN). Lesdits procédés et dispositifs font intervenir des matériels/logiciels au niveau du client de VPN afin de recueillir des informations concernant la capacité du client distant à se connecter au VPN et à rester connecté. Un serveur centralisé est conçu pour effectuer une requête auprès de chaque client distant et télécharger les données de connexion recueillies, et analyser lesdites données afin de déterminer des informations de qualité de service en matière d'"accessibilité de VPN" (taux de succès de la connexion à des serveurs de VPN), de "durabilité de VPN" (capacité de maintien d'une connexion réseau), et de "disponibilité de VPN" (capacité d'un emplacement distant permanent à maintenir la connexion réseau). Les mesures de qualité de service permettent au prestataire de service VPN d'améliorer son expérience en matière d'utilisateurs distants, de produire des alarmes et des rapports, et de créer des accords de niveau de service (SLA) avec ces utilisateurs.

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