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This paper describes the implementation of a highly available memory database with HA (High Availability) middleware based on the SAF (Service AvailabilityTM Forum) specification. The database achieves high availability in conjunction with AMF and MSG in a loosely coupled cluster. We describe its startup and re-synchronization methods; they reduce service interruption and system downtime, and are...
First generation, highly-available computer systems deployed a two-level physical hierarchy whereby a shelf was composed of field replaceable units (FRU) and the unit of fault detection, fault isolation, fault containment, fault recovery, fault repair, and sparing was the FRU. In 1995, IEEE introduced the non hot-swappable PCI Mezzanine Card (PMC) draft standard [1] that allows fault detection, isolation,...
It has become one of the basic requirements for the service providers to deliver highly available services to meet the customers’ critical needs. However, a highly available service does not guarantee that the service is delivered continuously from the user’s point of view. In this paper, we share the experience of developing high-availability and continuous TCP using open source OpenAIS and TCPCP/TCPCP2...
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