11.
    发明专利
    未知

    公开(公告)号:DE60125637D1

    公开(公告)日:2007-02-15

    申请号:DE60125637

    申请日:2001-03-30

    Applicant: IBM

    Abstract: A method of operating an availability service in a telecommunication system interconnecting a legacy telephone system with at least one presence system, said legacy telephone system including a plurality of terminals (T1 . . . T10), at least some (T1,T2) of which are terminals of subscribers to said availability service, said method including:(a) continuously monitoring each subscriber terminal (T1,T2) for a change of a call status of said subscriber terminal from the presence of a call to the absence of a call;(b) generating a first or "high availability" signal when said call status of said subscriber terminal changes from said presence of a call into said absence of a call;(c) monitoring an interval of time beginning with said first signal;(d) generating a second or "availability unknown" signal after a predetermined time period tau within said interval; and(e) making said availability signals accessible to any interconnected presence system.

    Processing application data
    12.
    发明专利

    公开(公告)号:AU2003250498A8

    公开(公告)日:2004-03-11

    申请号:AU2003250498

    申请日:2003-08-14

    Applicant: IBM

    Abstract: An electronic device for executing an application includes: application data, a central control unit for processing the application data according to a first method call, an interface for transmitting a description of the first method call to a second electronic device, and a synchronization entity for generating the description and passing the description to the interface. The transmitted description is used by the second electronic device to derive a second method call that is executable on the second electronic device.

    PROCESSING APPLICATION DATA
    13.
    发明专利

    公开(公告)号:AU2003250498A1

    公开(公告)日:2004-03-11

    申请号:AU2003250498

    申请日:2003-08-14

    Applicant: IBM

    Abstract: An electronic device for executing an application includes: application data, a central control unit for processing the application data according to a first method call, an interface for transmitting a description of the first method call to a second electronic device, and a synchronization entity for generating the description and passing the description to the interface. The transmitted description is used by the second electronic device to derive a second method call that is executable on the second electronic device.

    15.
    发明专利
    未知

    公开(公告)号:AT485552T

    公开(公告)日:2010-11-15

    申请号:AT06727631

    申请日:2006-02-21

    Applicant: IBM

    Abstract: A method and apparatus are provided for detecting attacks on a data communication network. The apparatus includes a router with a mechanism for monitoring return messages addressed to an originating user system local to the router. The mechanism includes a message checker for identifying a return message of a specified nature and a rerouter for temporarily routing subsequent messages from the originating user system to the intrusion detection sensor.

    16.
    发明专利
    未知

    公开(公告)号:AT456890T

    公开(公告)日:2010-02-15

    申请号:AT06832212

    申请日:2006-12-12

    Applicant: IBM

    Abstract: The invention relates to a method for operating virtual networks. The method comprises providing a first virtual network comprising a first set of network ports assigned to a first virtualization tag (T1) and a second virtual network comprising a second set of network ports assigned to a second virtualization tag (T2), the first and the second virtual network having compatible address ranges and being adapted to only pass data packets within them, providing a first network node having a source address (SA) in the first virtual network and being operationally connected to a first port (P1) assigned to the first virtual network by means of the first virtualization tag (T1), monitoring the first network node in order to detect a predetermined condition, and, on detection of the predetermined condition, reassigning the first port (P1) to the second virtual network by means of assigning the second virtualization tag (T2) to the first port (P1), such that no data packet can be passed from the first network node (N1) to a second network node (N2) connected to a second port (P2) assigned to the first virtual network by means of the first virtualization tag (T1) directly and keeping of the source address (SA) for the first network node (N1) in the second virtual network (104). The invention further relates to a further method for operation virtual networks, a data network system and a computer program product adapted to perform the inventive methods.

    PRESENCE INFORMATION METHOD AND SYSTEM

    公开(公告)号:CA2346760C

    公开(公告)日:2008-02-12

    申请号:CA2346760

    申请日:2001-05-07

    Applicant: IBM

    Abstract: A method of operating an availability service in a telecommunication system (1) interconnecting a legacy telephone system (10) with at least one presence system (11), said legacy telephone system including a plurality of terminals (T1...T10), at least some (T1,T2) of which are terminals of subscribers to said availability service, said method including: (a) continuously monitoring each subscriber terminal (T1,T2) for a change of a call status of said subscriber terminal from the presence of a call to the absence of a call; (b) generating a first or "high availability" signal when said call status o f said subscriber terminal changes from said presence of a call into said absence of a call; (c) monitoring an interval of time beginning with said first signal; (d) generating a second or "availability unknown" signal after a predetermin ed time period .tau.within said interval; and (e) making said availability signals accessible to any interconnected presen ce system.

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