| Patent application number | Description | Published |
|---|
| 20080222724 | PREVENTION OF DENIAL OF SERVICE (DoS) ATTACKS ON SESSION INITIATION PROTOCOL (SIP)-BASED SYSTEMS USING RETURN ROUTABILITY CHECK FILTERING - A device receives an attack on a Session Initiation Protocol (SIP)-based device, determines a type of the attack, and applies, based on the determined type of the attack, a return routability check filter to the attack. | 09-11-2008 |
| 20080285520 | METHODS, MEDIA, AND DEVICES FOR MOVING A CONNECTION FROM ONE POINT OF ACCESS TO ANOTHER POINT OF ACCESS - Systems, methods, media, and devices for providing cooperation among digital processing devices in wireless networks are provided. In some embodiments, methods for moving a connection from one point of access to another point of access are provided, sending a request for information from a first mobile node to at least one other node, wherein the request for information contains first information identifying at least one point of access; receiving a response containing second information identifying at least one point of access from the at least one other node; and establishing a connection between the first mobile node and a point of access identified in the second information. In some embodiments, devices that can move a connection from one point of access to another point of access are provided. | 11-20-2008 |
| 20090006841 | SYSTEM AND METHOD FOR TESTING NETWORK FIREWALL FOR DENIAL-OF-SERVICE (DOS) DETECTION AND PREVENTION IN SIGNALING CHANNEL - A device may measure a first performance, associated with legitimate traffic without attack traffic, of a Session Initiation Protocol (SIP)-based protection device implementing authentication; measure a second performance, associated with legitimate traffic and attack traffic, of the SIP-based protection device implementing authentication; and measure a third performance, associated with legitimate traffic and attack traffic, of the SIP-based protection device implementing authentication and return routability filtering. The device may also measure a first performance associated with legitimate traffic of a Session Initiation Protocol (SIP)-based protection device implementing rate-limiting filtering; measure a second performance associated with legitimate traffic and attack traffic of the SIP-based protection device implementing scheme filtering; and measure a third performance associated with legitimate traffic of the SIP-based protection device not implementing rate-limiting filtering without attack traffic. | 01-01-2009 |
| 20090007220 | THEFT OF SERVICE ARCHITECTURAL INTEGRITY VALIDATION TOOLS FOR SESSION INITIATION PROTOCOL (SIP)-BASED SYSTEMS - A device prevents theft of service attacks on a Session Initiation Protocol (SIP)-based device using an identity assurance protection mechanism, a multiple end-points protection mechanism, and an intrusion detecting protection mechanism. | 01-01-2009 |
| 20100070600 | METHODS AND MEDIA FOR EXCHANGING DATA BETWEEN NODES OF DISCONNECTED NETWORKS - Methods and media for exchanging data between nodes of disconnected networks are provided, including: determining a query type based on whether a query received at a first node includes at least one keyword or at least a portion of a uniform resource identifier; performing a search of a cache based on the query and the query type; converting the query into a formatted query document; storing the formatted query document in a database, if the search of the cache does not yield at least a predetermined number of data items; retrieving the formatted query document from the database at a predetermined interval; multicasting the retrieved formatted query document from the first node to at least a second node; and receiving, at the first node, a formatted response document from the second node, the formatted response document resulting from a search of a cache of the second node. | 03-18-2010 |
| 20100135252 | METHODS AND SYSTEMS FOR REDUCING MAC LAYER HANDOFF LATENCY IN WIRELESS NETWORKS - In accordance with the present invention, computer implemented methods and systems are provided for reducing handoff latency in a wireless network. In response to detecting that a handoff is necessary, the present invention uses a selective scanning algorithm that includes the use of a channel mask and/or a caching algorithm for detecting one or more new access points. | 06-03-2010 |
| 20100296634 | Systems, Methods, and Media for Connecting Emergency Communications - Systems, methods, and media for connecting emergency communications are provided. For example, the methods can include: receiving an emergency communication at a particular public safety answering point from a caller directed to the particular public safety answering point by a location-to-service system; creating a conference on a conference system in response to the particular public safety answering point accepting the emergency communication; selecting a particular call-taker of a plurality of call-takers; sending the particular call-taker an invitation to accept the emergency communication; in response to receiving an indication that the particular call-taker has accepted the emergency communication, connecting the selected call-taker to the conference; connecting the caller to the conference; determining the location of the caller; querying the location-to-service system to identify at least one particular emergency responder of a plurality of emergency responders; and connecting at least one of the at least one particular emergency responder to the conference. | 11-25-2010 |
| 20120008624 | SYSTEMS AND METHODS FOR IMPLEMENTING A PROTOCOL-AWARE NETWORK FIREWALL - A method may include receiving a first packet; determining, in a first processor, whether the first packet meets a criterion to be forwarded to a destination indicated in the first packet; receiving a second packet; determining whether the second packet is of a type for changing the criterion and sending the second packet to a second processor if the second packets is of the type for changing the criterion; receiving instructions, based on the second packet sent to the second processor, to change the criterion; and changing the criterion. | 01-12-2012 |
