PACKET FILTERING AT AN APPLICATION-PROCESSOR-TO-MODEM INTERFACE

PACKET FILTERING AT AN APPLICATION-PROCESSOR-TO-MODEM INTERFACE

An application processor circuit comprises an interface circuit configured to communicate with a separate modem device, a user application module configured to execute one or more user-installed applications, and a core application module configured to execute one or more core applications and to ac...

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1. Verfasser: RUNESON, Stefan
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator RUNESON, Stefan
description An application processor circuit comprises an interface circuit configured to communicate with a separate modem device, a user application module configured to execute one or more user-installed applications, and a core application module configured to execute one or more core applications and to access one or more modem services on the modem device, using the interface circuit and an IP socket application protocol interface (API), wherein packets sent to the modem device for accessing the one or more modem services include a destination IP address corresponding to the modem device. The application processor circuit further comprises an IP filter module configured to identify and discard outbound packets that include a destination IP address corresponding to the modem device and that originate from any of one or more disallowed applications in the application processor, without sending the identified packets to the modem device.
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language eng ; fre ; ger
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title PACKET FILTERING AT AN APPLICATION-PROCESSOR-TO-MODEM INTERFACE
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