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1. WO2011000405 - METHOD AND APPARATUS FOR RELAYING PACKETS

Publication Number WO/2011/000405
Publication Date 06.01.2011
International Application No. PCT/EP2009/058129
International Filing Date 29.06.2009
Chapter 2 Demand Filed 18.04.2011
IPC
H04L 29/12 2006.1
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
12characterised by the data terminal
CPC
H04L 29/12537
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
12characterised by the data terminal
12009Arrangements for addressing and naming in data networks
1233Mapping of addresses of the same type; Address translation
12339Internet Protocol [IP] address translation
1249NAT-Traversal
12537transparent to the NAT server
H04L 61/2578
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
61Network arrangements or network protocols for addressing or naming
25mapping of addresses of the same type; address translation
2503Internet protocol [IP] address translation
256Network address translation [NAT] traversal
2578transparent to the NAT server
H04L 61/2589
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
61Network arrangements or network protocols for addressing or naming
25mapping of addresses of the same type; address translation
2503Internet protocol [IP] address translation
256Network address translation [NAT] traversal
2589over a relay server, e.g. traversal using relay NAT [TURN]
Applicants
  • TELEFONAKTIEBOLAGET LM ERICSSON (publ) [SE]/[SE] (AllExceptUS)
  • KERÄNEN, Ari [FI]/[FI] (UsOnly)
  • HAUTAKORPI, Jani [FI]/[FI] (UsOnly)
  • MÄENPÄÄ, Jouni [FI]/[FI] (UsOnly)
Inventors
  • KERÄNEN, Ari
  • HAUTAKORPI, Jani
  • MÄENPÄÄ, Jouni
Agents
  • LIND, Robert
Priority Data
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND APPARATUS FOR RELAYING PACKETS
(FR) PROCÉDÉ ET APPAREIL DESTINÉS À RELAYER DES PAQUETS
Abstract
(EN) Apparatus for relaying packets between a first host and a second host. The apparatus comprises a memory for registering for said first host; an address of the first host, a relayed address of the first host, an address of the second host, and an outbound Higher Layer Identifier and/or an inbound Higher Layer Identifier. The apparatus further comprises and one or both of : an outbound packet inspector for inspecting packets received from said first host and addressed to an address of the apparatus to determine whether or not they contain a registered outbound Higher Layer Identifier and, if so, for forwarding the packets to said address of the second host; and an inbound packet inspector for inspecting packets received from said second host and addressed to said relayed address to determine whether or not they contain a registered inbound Higher Layer Identifier and, if so, for forwarding the packets to said address of the first host.
(FR) Cette invention se rapporte à un appareil destiné à relayer des paquets entre un premier hôte et un second hôte. L'appareil comprend une mémoire destinée à enregistrer ledit premier hôte; une adresse du premier hôte, une adresse relayée du premier hôte, une adresse du second hôte et un identifiant de couche supérieure de sortie et/ou un identifiant de couche supérieure d'arrivée. L'appareil comprend en outre l'un et/ou l'autre : d'un inspecteur de paquet de sortie destiné à inspecter les paquets reçus en provenance dudit premier hôte et adressés à une adresse de l'appareil de façon à déterminer s'ils contiennent ou pas un identifiant de couche supérieure de sortie enregistré et, si la réponse est oui, expédier les paquets à ladite adresse du second hôte; et d'un inspecteur de paquet d'arrivée destiné à inspecter les paquets reçus en provenance dudit second hôte et adressés à ladite adresse relayée de façon à déterminer s'ils contiennent ou pas un identifiant de couche supérieure d'arrivée enregistré et, si la réponse est oui, expédier les paquets à ladite adresse du premier hôte.
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