摘要:
A home appliance and a home appliance system are provided which control a sound output from an output device upon receipt of an external command signal of ON or OFF. Further, the home appliance and home appliance system control a sequence of output of an acoustic signal output from a conversion device. Accordingly, it may be possible to notify a user of the outputting of the acoustic signal by controlling the sequence of output of the acoustic signal, thereby increasing user convenience.
摘要:
The location of unmodified wireless assets in a wireless communication network may be identified using time differences of arrivals of a communication sequence at different network receivers. Time-stamping devices may include correlator circuits in parallel with signal decoders to time-stamp communication sequences. Cellular wireless networks may be frequency-multiplexed to increase spatial time-stamping density. Tags may be attached to passive assets to provide location identification information to network devices. Locations of assets broadcasting standard 802.11 radio frequency structures may be identified. Noise inherent in correlating a communication sequence may be reduced by using a selected correlation function.
摘要:
The present invention discloses a maintenance method for ASON system when service generates an alarm, which comprises: after a service is successfully established, a head node setting a local alarm monitoring and respectively requesting an intermediate node and a tail node to set an alarm monitoring; and the intermediate node and the tail node setting their own local alarm monitoring according to the requests of the head node,; when the intermediate node and/or the tail node generates an alarm, notifying the head node of the alarm information which affects the service; according to the received alarm information, the local alarm information of the head node and a protection and restoration strategy pre-configured by the head node, the head node setting a service maintenance strategy and a service maintenance operation, and notifying the service maintenance strategy to the tail node; the head node and the tail node carrying out corresponding maintenance operation according to the service maintenance strategy.
摘要:
A system for managing failover in a server cluster. In response to detecting a failed server, subscription message processing of a failover server is stopped. A subscription queue of the failed server is opened. A marker message is published to all subscribers of a particular messaging topic. The marker message includes an identification of the failover server managing the subscription queue of the failed server. Messages within the subscription queue of the failed server are processed. In response to determining that a message in the subscription queue of the failed server is the marker message, the subscription queue of the failed server is closed. Then, the failover server resumes processing of its original subscription queue looking for the marker message, while processing yet unseen messages from the queue. Once the marker message is found in the original subscription queue, normal operation is resumed.
摘要:
A method and apparatus that proxies connectivity check messages and sends fault state changes messages across an MPLS/VPLS network is described. A network element proxies connectivity check messages for remote maintenance endpoints based on a local database. The network element updates the database based on received fault state change message that identify a fault state change of a remote maintenance endpoint. The network element detects fault state changes of local maintenance endpoints and sends a fault state change message to other network elements that proxy connectivity check message for the local maintenance endpoints.