Persistent links between hierarchical proxies for mobile...

H - Electricity – 04 – B

Patent

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Details

H04B 7/185 (2006.01) H04L 29/06 (2006.01) H04L 29/08 (2006.01)

Patent

CA 2456156

A communications system according to the invention provides a communications link between a distributed com- munications system and a mobile platform via a satellite. The communications system includes a ground station and a parent proxy server connected to the ground station. A distributed communications system is connected to the parent proxy server. A satellite communications with the ground station. A transceiver, a muter and a child proxy server are located on the mobile platform. A user communication device (UCD) is connected to the child proxy server. The child and parent proxy servers establish a persistent transmission control protocol (TCP) link between the mobile platform and the ground station. The UCD connects to the child proxy server using a first group of TCP settings. The child and parent proxy servers communicate using a second group of TCP settings to optimize the TCP link for long delay satellite links.

L'invention concerne un système de communication qui permet une liaison de communication entre un système de communication réparti et une plate-forme mobile par l'intermédiaire d'un satellite. Ce système de communication comprend une station au sol et un serveur mandataire parent connecté à cette station au sol. Un système de communication réparti est connecté au serveur mandataire parent. Un satellite communique avec la station au sol. Un récepteur, un routeur et un serveur mandataire enfant sont situés sur la plate-forme mobile. Un dispositif de communication d'utilisateur (UCD) est connecté au serveur mandataire enfant. Les serveurs mandataires enfant et parent établissent une liaison permanente de protocole de commande de transmission (TCP) entre la plate-forme mobile et la station au sol. Le dispositif de communication d'utilisateur se connecte au serveur mandataire enfant à l'aide d'un premier groupes de paramètres de protocole TCP. Les serveurs mandataires enfant et parent communiquent à l'aide d'un second groupe de paramètres de protocole TCP afin d'optimiser la liaison de protocole TCP pour des liaisons satellite à temps de propagation élevé.

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