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    A FAULT-TOLERANT BROADCAST ROUTER
    22.
    发明授权
    A FAULT-TOLERANT BROADCAST ROUTER 有权
    与容错广播路由器

    公开(公告)号：EP1523820B1

    公开(公告)日：2009-10-07

    申请号：EP03737132.5

    申请日：2003-06-13

    申请人： Thomson Licensing

    发明人： CHRISTENSEN, Carl ,  WALKER, Marc, Stuart ,  BLAIR, David, Kim ,  BYTHEWAY, David, Lynn ,  ARBUCKLE, Lynn, Howard

    IPC分类号： H04L12/56 ,  H04L1/20 ,  H04L12/18

    CPC分类号： H04L1/22 ,  H04L1/0061 ,  H04L12/1868 ,  H04L45/60 ,  H04L49/201 ,  H04L49/206 ,  H04L49/557

    摘要： A fault-tolerant router (100) includes first and second router matrix card (122a and 122b). The first and second router matrix cards (122a, 122b) receive a common set of 4n parity encoded input digital audio data streams and respectively generates therefrom, first and second sets of M output digital audio streams. As the first and second sets of data streams propagate along the first and second router matrix cards (122a and 122b), respectively, one or more health bits are set whenever an error or other type of fault condition is detected. First and second parity check circuits (130a and 130b) are configured to detect parity errors and/or assess the relative health of the first and second sets of data streams and one of the two sets of data streams is selected as the output of the fault-tolerant router (100) based upon either the parity error analysis, health analysis or both.

    METHOD AND SYSTEM FOR RE-ENABLING DISABLED PORTS IN A NETWORK WITH TWO PORT MAC RELAYS
    23.
    发明公开
    METHOD AND SYSTEM FOR RE-ENABLING DISABLED PORTS IN A NETWORK WITH TWO PORT MAC RELAYS 有权
    FOR NEUFREIGABE方法和系统阻塞端口在网络与双端口MAC中继

    公开(公告)号：EP2039080A2

    公开(公告)日：2009-03-25

    申请号：EP07789485.5

    申请日：2007-07-10

    申请人： Telefonaktiebolaget LM Ericsson (publ)

    发明人： SALTSIDIS, Panagiotis

    IPC分类号： H04L12/56

    CPC分类号： H04L49/557

    摘要： A new type of link failure PDU is introduced; the Link Failure Terminating PDU. As soon as a frame relay device such as a Two Port MAC Relay (TPMR) detects that a failed link is repaired, the TPMR stops transmitting link failure PDUs and transmits one of the defined Terminating link failure PDUs. Receipt of this frame by any other connected TPMR means that the original failure is fixed and all ports that were forced to the disabled state because of the link failure PDUs, should now be enabled.

    A FAULT-TOLERANT BROADCAST ROUTER
    29.
    发明公开
    A FAULT-TOLERANT BROADCAST ROUTER 有权
    与容错广播路由器

    公开(公告)号：EP1523820A1

    公开(公告)日：2005-04-20

    申请号：EP03737132.5

    申请日：2003-06-13

    申请人： Thomson Licensing S.A.

    发明人： CHRISTENSEN, Carl ,  WALKER, Marc, Stuart ,  BLAIR, David, Kim ,  BYTHEWAY, David, Lynn ,  ARBUCKLE, Lynn, Howard

    IPC分类号： H04L1/20

    CPC分类号： H04L1/22 ,  H04L1/0061 ,  H04L12/1868 ,  H04L45/60 ,  H04L49/201 ,  H04L49/206 ,  H04L49/557

    摘要： A fault-tolerant router (100) includes first and second router matrix card (122a and 122b). The first and second router matrix cards (122a, 122b) receive a common set of 4n parity encoded input digital audio data streams and respectively generates therefrom, first and second sets of M output digital audio streams. As the first and second sets of data streams propagate along the first and second router matrix cards (122a and 122b), respectively, one or more health bits are set whenever an error or other type of fault condition is detected. First and second parity check circuits (130a and 130b) are configured to detect parity errors and/or assess the relative health of the first and second sets of data streams and one of the two sets of data streams is selected as the output of the fault-tolerant router (100) based upon either the parity error analysis, health analysis or both.