System and method for delivering messages using alternate modes of communication
First Claim
Patent Images
1. A system for delivering a message using a primary mode of communication between a remote input device and a managed entity, the system comprising:
- at least one alternate mode of communication;
adaptor means for said remote input device to access said at least one available alternate mode of communication said adaptor means activated upon determining that said managed entity is not responsive to said message transmitted using said primary mode of communication to commence transmitting said message using said at least one available alternate mode of communication;
switching means for said managed entity to access said at least one available alternate mode of communication; and
means for detecting loss of access by said managed entity to said primary mode of communication;
whereby, upon said means for detecting loss of access determining that said primary mode is not available for said managed entity to receive said message, said switching means permits the receipt by said managed entity of said message using said at least one available alternate mode of communication.
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Abstract
There is provided a novel system and method for delivering messages using alternate modes of communication when a primary mode of communication is not available as may happen in emergent circumstances such as those that arise during a terrorist attack causing damage to communications infrastructure.
256 Citations
44 Claims
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1. A system for delivering a message using a primary mode of communication between a remote input device and a managed entity, the system comprising:
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at least one alternate mode of communication;
adaptor means for said remote input device to access said at least one available alternate mode of communication said adaptor means activated upon determining that said managed entity is not responsive to said message transmitted using said primary mode of communication to commence transmitting said message using said at least one available alternate mode of communication;
switching means for said managed entity to access said at least one available alternate mode of communication; and
means for detecting loss of access by said managed entity to said primary mode of communication;
whereby, upon said means for detecting loss of access determining that said primary mode is not available for said managed entity to receive said message, said switching means permits the receipt by said managed entity of said message using said at least one available alternate mode of communication. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A system for delivering a message using a primary mode of communication from a remote input device, having means to monitor an external source for the purpose of detecting loss of access to said primary mode of communication, the system comprising:
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at least one alternate mode of communication; and
adaptor means for said remote input device to access said at least one available alternate mode of communication said adaptor means activated upon detecting loss of access to said primary mode of communication to commence transmitting said message using said at least one available alternate mode of communication.
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25. A system for receiving a message using a primary mode of communication on a managed entity, having means to monitor an external source for the purpose of detecting loss of access to said primary mode of communication, the system comprising:
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at least one alternate mode of communication; and
switching means for said managed entity to access said at least one available alternate mode of communication said switching means activated upon detecting loss of access to said primary mode of communication to commence listening for said message using said at least one available alternate mode of communication.
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26. A method for delivering a message between a remote input device and a managed entity, for use when loss of access by either said remote input device or said managed entity to a primary mode of communication has been detected, comprising the steps:
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enable at least one alternate mode of communication;
activate adaptor means to and transmit said message using at least one of said at least one alternate mode of communication; and
activate switching means to permit the reception of said message using at least one of said at least one alternate mode of communication. - View Dependent Claims (28, 29, 30, 34, 35, 36, 37, 38, 39, 40, 41)
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27. A method for delivering a message between a remote input device and a managed entity having at least one alternate mode of communication pre-enabled, for use when loss of access by either said remote input device or said managed entity to a primary mode of communication has been detected, comprising the steps:
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select at least one alternate mode of communication;
activate adaptor means to and transmit said message using at least one of said at least one alternate mode of communication; and
activate switching means to permit the reception of said message using at least one of said at least one alternate mode of communication.
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31. A method for delivering a message between a remote input device and a managed entity, in accordance with an Alternate Mode Sequence comprising a plurality of rules respecting when to switch between alternate modes of communication as well as which of said alternate modes of communication to switch to, for use when loss of access by either said remote input device or said managed entity to a primary mode of communication has been detected, comprising the steps:
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reference said Alternate Mode Sequence to identify a secondary mode;
activate adaptor means to and transmit said message using said secondary mode; and
activate switching means to permit the reception of said message using said secondary mode.
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32. A method of using a switching agent for enhancing security when delivering a message between a remote input device and a managed entity each having access to a plurality of alternate modes of communication M1, M2, M3, M4, comprising the steps:
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send and receive request for communication using M1;
use M2 to send and receive reply to said request for communication using M1;
send and receive further request for communication using M3; and
use M4 to send and receive reply to said further request for communication using M3.
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33. A method of using a switching agent together with a shared synchronized random number generator for enhancing security when delivering a message between a remote input device and a managed entity each having access to a plurality of alternate modes of communication MX, MY, MZ, MK, comprising the steps:
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send and receive request for communication using MX;
generate a random number shared by said remote input device and said managed entity for the purpose of selecting the alternate mode of communication that is MY;
use MY to send and receive reply to said request for communication using MX;
generate a random number shared by said remote input device and said managed entity for the purpose of selecting the alternate mode of communication that is MZ;
send and receive further request for communication using MZ;
generate a random number shared by said remote input device and said managed entity for the purpose of selecting the alternate mode of communication that is MK; and
use MK to send and receive reply to said further request for communication using MZ.
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42. A method for delivering a message consisting of a plurality of packets between a remote input device and a managed entity each having a plurality of alternate modes of communication all of which modes are enabled, for the purpose of making it difficult to intercept all said packets of said message, comprising the steps:
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compose said message so as to comprise X blocks of packets;
select a first alternate mode of communication from said plurality of alternate modes;
use said first alternate mode of communication to transmit Y blocks of packets where Y is less than X;
select a second alternate mode of communication that is not said first alternate mode of communication; and
use said second alternate mode of communication to transmit the remaining X-Y blocks of packets that were not included among said Y blocks of packets.
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43. A method of sending a message from a remote input device, for use when there is a loss of access to a primary mode of communication, comprising the steps:
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activate adaptor means to and transmit said message using at least one alternate mode of communication; and
activate switching means to permit the reception of said message using at least one of said at least one alternate mode of communication.
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44. A method of receiving a message on a managed entity, for use when there is a loss of access to a primary mode of communication, comprising the steps:
activate switching means to permit the reception of said message by said managed entity using at least one alternate mode of communication.
Specification