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¿µ¹®Ç¥Áظí Highly Available Embedded Linux System Reference Model with Primary-Backup Processor: Multi-application support Failover Manager Architecture & Requirements
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº ´Ù¼öÀÇ ÀÓº£µðµå µð¹ÙÀ̽ºÀÇ ±ºÁý ¿î¿ëÀ» ÅëÇØ µ¿½Ã¿¡ °¢ ÀÀ¿ëÀÇ ³ôÀº °¡¿ë¼ºÀ» ÃëÇϱâ À§ÇÑ ÀÓº£µðµå ½Ã½ºÅÛ¿¡¼­ º¹¼öÀÀ¿ë Áö¿ø ÆäÀÏ¿À¹ö ¸Å´ÏÀú ÂüÁ¶ ¸ðµ¨À» Á¦½ÃÇÏ°í ¸¶½ºÅÍÀÇ Àå¾Ö »óȲÀ» ¹é¾÷¿¡¼­ °¨ÁöÇϱâ À§ÇÑ ½Ã½ºÅÛ°£ Heartbeat ó¸® ¿ä±¸»çÇ×, Àå¾Ö ¹ß»ý ½Ã ½Ã½ºÅÛ°£ ¸ðµå Àüȯ °áÁ¤À» À§ÇÑ Çù»ó ¿ä±¸»çÇ×, ½Ã½ºÅÛ ³» ÇÁ·Î¼¼½º°£ ¸ðµå Àüȯ ¿ä±¸»çÇ× µîÀ» ±â¼úÇÑ´Ù. ÀÓº£µðµå ½Ã½ºÅÛ ³»¿¡¼­ ½ÇÇàµÇ´Â ÀÀ¿ëÀÇ ¼¼¼Ç Á¤º¸ÀÇ µ¿±âÈ­ ¹× º¹¿øÀº º» Ç¥ÁØÀÇ ¹üÀ§¿¡ Æ÷ÇÔµÇÁö ¾Ê´Â´Ù.
¿µ¹®³»¿ë¿ä¾à The standard introduces reference model of Multi-application support Failover Manager and describes the terms and requirements of redundant architecture including heartbeat processing to detect the master¡¯s failure from the backup, handshaking to negotiate the mode transition between the master and backups, and mode transition processing between processes within a device. The synchronization and recover of application¡¯s session information which is running within a embedded system is not in the scope of the specification.
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