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SCSPD(8) FreeBSD System Manager's Manual SCSPD(8)

scspd
SCSP ¥Ç¡¼¥â¥ó

scspd [-fcfg-file⟩] [-d] [-Toptions⟩]

scspd ¥æ¡¼¥Æ¥£¥ê¥Æ¥£¤Ï¡¢ Host ATM Research Platform (HARP) ¥Í¥Ã¥È¥ï¡¼¥­¥ó¥°¥½¥Õ¥È¥¦¥§¥¢ÍѤΡ¢ ¥µ¡¼¥Ð¥­¥ã¥Ã¥·¥åƱ´ü¥×¥í¥È¥³¥ë (Server Cache Synchronization Protocol; SCSP) ¤Î¼ÂÁõ¤Î¤Ò¤È¤Ä¤Ç¤¹¡£ scspd ¥æ¡¼¥Æ¥£¥ê¥Æ¥£¤Ï¡¢ ¤¢¤ë¥Û¥¹¥È¾å¤Î (1 ¤Ä°Ê¾å¤Î) ¥µ¡¼¥Ð¤Î (1 ¤Ä°Ê¾å¤Î) ¥­¥ã¥Ã¥·¥å¤È¡¢ ¥ê¥â¡¼¥È¥Û¥¹¥È¾å¤Î¥µ¡¼¥Ð¤Î¥­¥ã¥Ã¥·¥å¤òƱ´ü¤µ¤»¤Þ¤¹¡£ SCSP ¤Ï¿¤¯¤Î°Û¤Ê¤Ã¤¿¥×¥í¥È¥³¥ë¤ËÂФ·¤ÆÄêµÁ¤µ¤ì¤Þ¤¹¤¬¡¢ ¸½ºß¤Î¥Ð¡¼¥¸¥ç¥ó¤Î scspd ¤Ï ATMARP ¤Î¤ß¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£

scspd ¤È atmarpd(8) ¤ò»ÈÍѤ¹¤ë¤È¡¢ ñ°ì¤Î ATM LIS ¤ËÂФ·¤ÆÊ£¿ô¤Î ATMARP ¥µ¡¼¥Ð¤òÄ󶡤¹¤ë¤³¤È¤¬²Äǽ¤È¤Ê¤ê¤Þ¤¹¡£ Î㤨¤Ð¡¢ ŵ÷Î¥¥ê¥ó¥¯¤ÇÀܳ¤µ¤ì¤ëÊ£¿ô¤Î¥í¡¼¥«¥ë¥¨¥ê¥¢ ATM ¥Í¥Ã¥È¥ï¡¼¥¯¤Ë¤è¤ê¡¢ LIS ¤¬¹½À®¤µ¤ì¤ë¾ì¹ç¤ËÍ­ÍѤǤ·¤ç¤¦¡£ ³Æ¥í¡¼¥«¥ë¥¨¥ê¥¢¥Í¥Ã¥È¥ï¡¼¥¯¤Ï³Æ¼«¤Î ATMARP ¥µ¡¼¥Ð¤ò»ý¤Ä¤³¤È¤¬¤Ç¤­¡¢ ¤¹¤Ù¤Æ¤Î¥µ¡¼¥Ð¤Î¥­¥ã¥Ã¥·¥å¤Ï SCSP ¤Ë¤è¤êƱ´ü¤µ¤ì¤Þ¤¹¡£ ¤³¤Î¤è¤¦¤Ê¾ì¹ç¡¢¤â¤·Ä¹µ÷Î¥¥ê¥ó¥¯¤¬ÀÚÃǤµ¤ì¤Æ¤â¡¢ ¥í¡¼¥«¥ë¥¨¥ê¥¢¥Í¥Ã¥È¥ï¡¼¥¯¾å¤Î¥Û¥¹¥È¤Ï¾¤Î¥í¡¼¥«¥ë¥Û¥¹¥È¤È¤ÎÀܳÀ­¤òÊݤÁ¤Þ¤¹ (Á´¥í¡¼¥«¥ë¥Û¥¹¥È¤Ï¥í¡¼¥«¥ë¤Î ATMARP ¥µ¡¼¥Ð¤ò»ÈÍѤ¹¤ë¤«¤é¤Ç¤¹)¡£ ŵ÷Î¥¥ê¥ó¥¯¤¬²óÉü¤¹¤ë¤È¡¢SCSP ¤Ï¥µ¡¼¥Ð¤Î¥­¥ã¥Ã¥·¥å¤òºÆƱ´ü¤·¡¢ ¥ê¥â¡¼¥È¥Û¥¹¥È¤È¤ÎÀܳÀ­¤ò²óÉü¤·¤Þ¤¹¡£ ATMARP ¥­¥ã¥Ã¥·¥å¤¬Æ±´ü¤µ¤ì¤ëÁ°¤Ë¡¢ scspd ¤È atmarpd(8) ¤ÎξÊý¤¬Áö¹Ô¤·¤Æ¤¤¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£

scspd ¥æ¡¼¥Æ¥£¥ê¥Æ¥£¤Ï¡¢ RFC 2334, Server Cache Synchronization Protocol (SCSP) ¤ª¤è¤Ó draft-ietf-ion-scspd-atmarpd-00.txt, A Distributed ATMARP Service using SCSP ¤Ë¼¨¤µ¤ì¤ë¤è¤¦¤Ë SCSP ¤ò¼ÂÁõ¤·¤Æ¤¤¤Þ¤¹¡£

scspd ¤¬¼Â¹Ô¤ò³«»Ï¤¹¤ë¤È¡¢ ¼«¸Ê¤ËÍ¿¤¨¤é¤ì¤¿¥³¥Þ¥ó¥É¥é¥¤¥ó¤ò²òÀϤ·¡¢¥Ð¥Ã¥¯¥°¥é¥¦¥ó¥É¤Ë°Ü¹Ô¤·¤Þ¤¹¡£

SCSP ¤Ë´Ø¤¹¤ëÍѸì¤Ë¤Ïº®Í𤷤䤹¤¤¤â¤Î¤¬¤¢¤ê¤Þ¤¹¡£ ¤³¤Îʸ½ñ¤Ç¤Ï¡¢¼¡¤ÎÄêµÁ¤ò»ÈÍѤ·¤Þ¤¹:

¥¯¥é¥¤¥¢¥ó¥È¥µ¡¼¥Ð ¤â¤·¤¯¤Ï ¥í¡¼¥«¥ë¥µ¡¼¥Ð ¤Ï¡¢ scspd ¤ÈƱ¤¸¥Û¥¹¥È¤Ç¼Â¹Ô¤µ¤ì¤Æ¤¤¤ë¥µ¡¼¥Ð¤ò°ÕÌ£¤·¤Þ¤¹¡£ ¤³¤Î¥µ¡¼¥Ð¤Î¥­¥ã¥Ã¥·¥å¤Ï¡¢Ê£¿ô¤Î¥ê¥â¡¼¥È¥µ¡¼¥Ð¤ÈƱ´ü¤µ¤ì¤Þ¤¹¡£ ¥µ¡¼¥Ð ¤È¤¤¤¦¸ÀÍÕ¤¬Ã±ÆȤǻÈÍѤµ¤ì¤ë¾ì¹ç¡¢ ¥¯¥é¥¤¥¢¥ó¥È¥µ¡¼¥Ð ¤ò°ÕÌ£¤·¤Þ¤¹¡£

¥ê¥â¡¼¥È¥µ¡¼¥Ð ¤Ï¡¢ scspd ¤¬¼Â¹Ô¤µ¤ì¤Æ¤¤¤ë¥Û¥¹¥È¤È¤ÏÊ̤Υۥ¹¥È¾å¤Ç¼Â¹Ô¤µ¤ì¤Æ¤¤¤ë¥µ¡¼¥Ð¤ò °ÕÌ£¤·¤Þ¤¹¡£

ľÀÜÀܳ¤µ¤ì¤¿¥µ¡¼¥Ð (Directly Connected Server; DCS) ¤Ï¡¢ scspd ¤¬Ä¾ÀÜÄÌ¿®¤ò¹Ô¤¦¥ê¥â¡¼¥È¥µ¡¼¥Ð¤ò°ÕÌ£¤·¤Þ¤¹¡£ ¥ê¥â¡¼¥È¥µ¡¼¥Ð¤â¤Þ¤¿ SCSP ¤Î¼ÂÁõ¤Î¤Ò¤È¤Ä¤ò¼Â¹Ô¤·¤Æ¤¤¤ë¤Ç¤·¤ç¤¦¡£

¥­¥ã¥Ã¥·¥å¥¢¥é¥¤¥ó¥á¥ó¥È (Cache Alignment; CA) ¤Ë¤Ï¡¢ 2 ¤Ä¤Î°ÕÌ£¤¬¤¢¤ê¤Þ¤¹¡£ ¥­¥ã¥Ã¥·¥å¥¢¥é¥¤¥ó¥á¥ó¥È¥×¥í¥È¥³¥ë¤Ï SCSP ¥×¥í¥È¥³¥ë»ÅÍͤΰìÉô¤Ç¤¢¤ê¡¢ ¥­¥ã¥Ã¥·¥å¥¢¥é¥¤¥ó¥á¥ó¥ÈÍ­¸Â¾õÂÖµ¡³£ (FSM) ¤Ï ¥­¥ã¥Ã¥·¥å¥¢¥é¥¤¥ó¥á¥ó¥È¥×¥í¥È¥³¥ë¤ò¼ÂÁõ¤¹¤ëÍ­¸Â¾õÂÖµ¡³£¤Ç¤¹¡£

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scspd ¤ò¥Ç¥Ð¥Ã¥°¥â¡¼¥É¤Ç¼Â¹Ô¤¹¤ë¤³¤È¤ò»ØÄꤷ¤Þ¤¹¡£ ¥Ç¥Ð¥Ã¥°¥â¡¼¥É¤Ç¤Ï¡¢¥Ç¡¼¥â¥ó¤Ï¥Ð¥Ã¥¯¥°¥é¥¦¥ó¥É¤Ë¤Ï¤Ê¤ê¤Þ¤»¤ó¡£ ¥í¥°¥á¥Ã¥»¡¼¥¸¤Ï¡¢ ÀßÄê¥Õ¥¡¥¤¥ë¤Ë»ØÄꤵ¤ì¤¿¥í¥°¥Õ¥¡¥¤¥ë¤Ç¤Ï¤Ê¤¯¡¢É¸½à½ÐÎϤ˽ñ¤«¤ì¤Þ¤¹¡£
options
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scspd ¤Î CA Í­¸Â¾õÂÖµ¡³£ (FSM) ¤ò¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£
scspd ¤Î Hello FSM ¤ò¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£
scspd ¤Î¥¯¥é¥¤¥¢¥ó¥È¥¤¥ó¥¿¥Õ¥§¡¼¥¹ FSM ¤ò¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£
CA, CSUS, CSU ¥ê¥¯¥¨¥¹¥È¤È CSU ¥ê¥×¥é¥¤¤Î¥á¥Ã¥»¡¼¥¸¤ò ¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£
Hello ¥á¥Ã¥»¡¼¥¸¤ò¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£
scspd ¤Î¥¯¥é¥¤¥¢¥ó¥È¤ÈÁê¸ß¤Ë¤ä¤ê¤È¤ê¤¹¤ë ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¥á¥Ã¥»¡¼¥¸¤ò¥È¥ì¡¼¥¹¤·¤Þ¤¹¡£

ÀßÄê¥Õ¥¡¥¤¥ë¤Ï¡¢°ìÏ¢¤ÎÀßÄêʸ¤«¤éÀ®¤ê¤Þ¤¹¡£ ¤³¤ì¤é¤Îʸ¤Ï¡¢ scspd ¤¬¥­¥ã¥Ã¥·¥å¤ÎƱ´ü¤ò¹Ô¤¦ÂоݤȤʤ롢 ¥í¡¼¥«¥ë¤ª¤è¤Ó¥ê¥â¡¼¥È¤ÎξÊý¤Î¥µ¡¼¥Ð¤Ë´Ø¤¹¤ë¾ðÊó¤ò»ØÄꤷ¤Þ¤¹¡£ scspd ¤ÎÀßÄêÊýË¡¤Ë¤Ä¤¤¤Æ¤Ï¡¢ RFC 2334, Server Cache Synchronization Protocol (SCSP) ¤ª¤è¤Ó draft-ietf-ion-scspd-atmarpd-00.txt, A Distributed ATMARP Service using SCSP ¤¬ÌòΩ¤Ä¤Ç¤·¤ç¤¦¡£

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# comments:
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C ¥³¥á¥ó¥È:
/*” ¤È “*/” ¤Î´Ö¤Î¤¹¤Ù¤Æ¤Îʸ»ú¤Ï̵»ë¤µ¤ì¤Þ¤¹¡£
C++ ¥³¥á¥ó¥È:
//” ¤«¤é¹ÔËö¤Þ¤Ç¤Î¤¹¤Ù¤Æ¤Îʸ»ú¤Ï̵»ë¤µ¤ì¤Þ¤¹¡£

scspd ¤¬Íý²ò¤¹¤ëÀßÄêʸ¤ò¼¨¤·¤Þ¤¹:
Server <name> {
	Protocol <protocol ID>;
	Netif <if_name>;
	ServerGroupID <ID>;
	FamilyID <ID>;
	DCS {
		ATMaddr <ATM address>;
		ID <host>;
		CAReXmitInt <int>;
		CSUSReXmitInt <int>;
		CSUReXmitInt <int>;
		CSUReXmitMax <cnt>;
		HelloDead <cnt>;
		HelloInt <int>;
		Hops <cnt>;
	};
};

Log {
	File <file name>;
	Syslog;
};

ÀßÄê¥Õ¥¡¥¤¥ëÆâ¤Ç¥Û¥¹¥È¥¢¥É¥ì¥¹¤ò»ØÄꤹ¤ëɬÍפ¬¤¢¤ë¤È¤³¤í¤Ç¤Ï¡¢ DNS ¤Ç¤Î̾Á°¤Ç¤â¡¢10 ¿Ê¿ô¤ò¥É¥Ã¥È¤Ç·Ò¤° IP ¥¢¥É¥ì¥¹¤Î·Á¼°¤Ç¤â¡¢ ¤É¤Á¤é¤Ç¤â»ÈÍѲÄǽ¤Ç¤¹¡£

ATM ¥¢¥É¥ì¥¹¤Ï 16 ¿Ê¿ô¤Îʸ»úÎó¤È¤·¤Æ»ØÄꤷ¤Þ¤¹¡£ Á°¤Ë “0x” ¤òÉÕ¤±¤Æ¤â¤«¤Þ¤¤¤Þ¤»¤ó¡£ ¥¢¥É¥ì¥¹Æâ¤Î¥Õ¥£¡¼¥ë¥É¤Ï¥Ô¥ê¥ª¥É¤Ç¶èÀڤäƤ⤫¤Þ¤¤¤Þ¤»¤ó¡£ ¥Ô¥ê¥ª¥É¤ÏÆɤߤ䤹¤µ¤Î¤¿¤á¤À¤±¤Ë¤¢¤ê¡¢Ã±¤Ë̵»ë¤µ¤ì¤Þ¤¹¡£ ATM ¥¢¥É¥ì¥¹¤ÎŤµ¤Ï 20 ¥Ð¥¤¥È¤Ç¤¹¡£ Àè¹Ô¤¹¤ë 0 ¤ò´Þ¤á¤Æ¡¢Á´¥¢¥É¥ì¥¹¤ò»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ Îã:

0x47.0005.80.ffe100.0000.f21a.0170.0020481a0170.00

server ʸ¤Ï¥¯¥é¥¤¥¢¥ó¥È¥µ¡¼¥Ð¤ò»ØÄꤷ¤Þ¤¹¡£ ¤³¤Î¥¯¥é¥¤¥¢¥ó¥È¥µ¡¼¥Ð¤Î¥­¥ã¥Ã¥·¥å¤Ï¡¢ ¥ê¥â¡¼¥È¥Û¥¹¥È¾å¤Ç¼Â¹Ô¤µ¤ì¤Æ¤¤¤ë¾¤Î¥µ¡¼¥Ð¤Î¥­¥ã¥Ã¥·¥å¤ÈƱ´ü¤µ¤ì¤Þ¤¹¡£ scspd ¤Ë¤è¤Ã¤Æ¥­¥ã¥Ã¥·¥å¤¬Æ±´ü¤µ¤ì¤ë³Æ¥¯¥é¥¤¥¢¥ó¥È¥µ¡¼¥Ð¤´¤È¤Ë¡¢ 1 ¤Ä¤Î server ʸ¤òÀßÄê¥Õ¥¡¥¤¥ë¤Ë½ñ¤­¤Þ¤¹¡£ server ʸ¤Î½ñ¼°¤Ï¼¡¤ÎÄ̤ê¤Ç¤¹:
Servername⟩ { ⟨statements⟩ };

name ¤Ï server ʸ¤Ç»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¤¬¡¢ scspd ¤Ï¤³¤ì¤ò»ÈÍѤ·¤Þ¤»¤ó¡£ ¥µ¡¼¥Ð¤ÎÍÑÅӤ˴ؤ¹¤ëû¤¤µ­½Ò¤òÍ¿¤¨¤ë¤â¤Î¤È´üÂÔ¤µ¤ì¤Æ¤¤¤Þ¤¹¡£

server ʸ¤Ï¡¢¤¤¤¯¤Ä¤«¤ÎÉûʸ¤ò»ý¤Á¡¢ scspd ¤ÎÀßÄê¤Î¾ÜºÙ¤ò»ØÄꤷ¤Þ¤¹¡£ Éûʸ¤ò¼¨¤·¤Þ¤¹:

ATMARP;
¸½ºß¤Î¥Ð¡¼¥¸¥ç¥ó¤Î scspd ¤¬¥µ¥Ý¡¼¥È¤¹¤ëÍ£°ì¤Î¥×¥í¥È¥³¥ë¤Ï ATMARP ¤Ç¤¹¡£ protocol ʸ¤Ï¾ï¤Ë»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£
intf⟩;
ʸ¤Ï¡¢¥¯¥é¥¤¥¢¥ó¥È¥µ¡¼¥Ð¤¬¥µ¡¼¥Ó¥¹¤òÄ󶡤·¤Æ¤¤¤ë ATM ¥Í¥Ã¥È¥ï¡¼¥¯¥¤¥ó¥¿¥Õ¥§¡¼¥¹Ì¾¤ò»ØÄꤷ¤Þ¤¹¡£ netif ʸ¤Ï¾ï¤Ë»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£
ID⟩;
ʸ¤Ï¡¢ scspd ¤¬Æ±´ü¤ò¹Ô¤¦¥µ¡¼¥Ð·²¤ËÂФ¹¤ë¼±Ê̻Ҥò»ØÄꤷ¤Þ¤¹¡£ ID ¤Ï 10 ¿Ê¿ô¤È¤·¤Æ»ØÄꤵ¤ì¡¢ÈÏ°Ï¤Ï 0 - 65,535 ¤Ç¤¹¡£ SCSP ¥»¥Ã¥·¥ç¥ó¤Ë¤è¤êƱ´ü¤µ¤ì¤ë¥­¥ã¥Ã¥·¥å¤ò»ý¤ÄÁ´¥µ¡¼¥Ð¤Ë¤ª¤¤¤Æ¡¢ ¥µ¡¼¥Ð¥°¥ë¡¼¥× ID ¤ÏƱ°ì¤Ç¤¢¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ ¤Ä¤Þ¤ê¡¢¥Û¥¹¥È¤Î¥µ¡¼¥Ð¥°¥ë¡¼¥× ID ¤Ï¡¢ server ʸÆâ¤Ç»Ø¤·¼¨¤µ¤ì¤ë¤¹¤Ù¤Æ¤ÎľÀÜÀܳ¤µ¤ì¤¿¥µ¡¼¥Ð (DCS) ¤Ë¤ª¤¤¤ÆƱ°ì¤Ç¤¢¤ëɬÍפ¬¤¢¤ë¤È¤¤¤¦¤³¤È¤Ç¤¹¡£ ServerGroupID ʸ¤Ï¾ï¤Ë»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£
ID⟩;
ʸ¤Ï¡¢ ¥Û¥¹¥È·²´Ö¤Ç¼Â¹Ô¤µ¤ì¤ëÊÂÎó SCSP ¥»¥Ã¥·¥ç¥ó¤Î¥Õ¥¡¥ß¥ê¤ËÂФ¹¤ë¼±Ê̻Ҥò»ØÄꤷ¤Þ¤¹ (¥Õ¥¡¥ß¥ê¤È¤Ï¤¹¤Ê¤ï¤Á¡¢ °Û¤Ê¤Ã¤¿¥×¥í¥È¥³¥ë ID ¤Ç¤Ï¤¢¤Ã¤Æ¤âƱ°ì¤Î¥µ¡¼¥Ð½¸¹ç¤Ç¤¢¤ë¡¢ SCSP ¥»¥Ã¥·¥ç¥ó¤Î½¸¹ç¤Ç¤¹)¡£ ID ¤Ï 10 ¿Ê¿ô¤È¤·¤Æ»ØÄꤵ¤ì¡¢ÈÏ°Ï¤Ï 0 - 65,535 ¤Ç¤¹¡£ ¥Õ¥¡¥ß¥ê ID ¤Ï¸½ºß scspd ¤Ï»ÈÍѤ·¤Þ¤»¤ó¡£

DCS ʸ¤Ï server ʸ¤ÎÉûʸ¤Ç¤¢¤ê¡¢ ľÀÜÀܳ¤µ¤ì¤¿¥µ¡¼¥Ð (DCS) ¤ÎÆÃÀ­¤ò»ØÄꤷ¤Þ¤¹¡£ server ʸ¤Ï¡¢ scspd ¤¬¾ðÊó¸ò´¹¤¹¤ë DCS ¤´¤È¤Ë 1 ¤Ä¤Î DCS ʸ¤ò»ý¤Á¤Þ¤¹¡£ DCS ʸ¤Ï¿¤¯¤ÎÉûʸ¤ò»ý¤Á¡¢ DCS ¤ÎÀßÄê¤Ë´Ø¤¹¤ë¾ÜºÙ¤ò»ØÄꤷ¤Þ¤¹¡£ ¤½¤ì¤é¤ò¼¡¤Ë¼¨¤·¤Þ¤¹:
ATM address⟩;
ʸ¤Ï DCS ¤Î ATM ¥¢¥É¥ì¥¹¤ò»ØÄꤷ¤Þ¤¹¡£ ATMaddr ʸ¤Ï¾ï¤Ë»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£
host⟩;
ʸ¤Ï DCS ¤Î SCSP ¼±Ê̻Ҥò»ØÄꤷ¤Þ¤¹¡£ ATMARP ¤Ë¤ª¤±¤ë ID ¤Ï¡¢ DCS ¤Î ATM ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ë´ØÏ¢ÉÕ¤±¤é¤ì¤¿ IP ¥¢¥É¥ì¥¹¤Þ¤¿¤Ï DNS ¤Ç¤Î̾Á°¤Ç¤¹¡£ ID ʸ¤Ï¾ï¤Ë»ØÄꤹ¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£
int⟩;
ʸ¤Ï¡¢ CA ¥á¥Ã¥»¡¼¥¸¤ÎºÆÁ÷´Ö³Ö»þ´Ö¤ò»ØÄꤷ¤Þ¤¹¡£ CA ¥á¥Ã¥»¡¼¥¸¤¬Á÷¿®¤µ¤ì¤Æ³Îǧ±þÅú¤¬ CAReXmitInt ÉðÊÆâ¤Ë¼õ¿®¤µ¤ì¤Ê¤¤¾ì¹ç¡¢ ¥á¥Ã¥»¡¼¥¸¤¬ºÆÁ÷¤µ¤ì¤Þ¤¹¡£ CAReXmitInt ¤Î¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 3 ÉäǤ¹¡£
int⟩;
ʸ¤Ï¡¢ CSU Solicit ¥á¥Ã¥»¡¼¥¸¤ÎºÆÁ÷´Ö³Ö»þ´Ö¤ò»ØÄꤷ¤Þ¤¹¡£ CSUS ¥á¥Ã¥»¡¼¥¸¤¬Á÷¿®¤µ¤ì¤¿¤È¤­¡¢ CSUS ¤Ë¤è¤ê¥ê¥¯¥¨¥¹¥È¤µ¤ì¤¿ Cache State Advertisement (CSA) ¤¬ CSUSReXmitInt ÉðÊÆâ¤Ë¼õ¿®¤µ¤ì¤Ê¤¤¤È¡¢ Ê̤ΠCSUS ¥á¥Ã¥»¡¼¥¸¤Ë¤è¤ëºÆ¥ê¥¯¥¨¥¹¥È¤¬È¯À¸¤·¤Þ¤¹¡£ CSUSReXmitInt ¤Î¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 3 ÉäǤ¹¡£ CSUSReXmitInt ¤È CSUReXmitInt ¤Ë´Ø¤·¤Æ º®Í𤷤ʤ¤¤è¤¦¤Ë¤·¤Æ¤¯¤À¤µ¤¤¡£
int⟩;
ʸ¤Ï¡¢ CSU ¥ê¥¯¥¨¥¹¥È¥á¥Ã¥»¡¼¥¸¤ÎºÆÁ÷´Ö³Ö»þ´Ö¤ò»ØÄꤷ¤Þ¤¹¡£ CSU ¥ê¥¯¥¨¥¹¥È¥á¥Ã¥»¡¼¥¸¤¬Á÷¿®¤µ¤ì¤¿¤È¤­¡¢ CSUReXmitInt ÉðÊÆâ¤Ë CSU ¥ê¥×¥é¥¤¥á¥Ã¥»¡¼¥¸¤Ë¤è¤Ã¤Æ³Îǧ±þÅú¤¬ÊÖ¤µ¤ì¤Ê¤¤ CSA ¤ÏºÆÁ÷¤µ¤ì¤Þ¤¹¡£ CSUReXmitInt ¤Î¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 2 ÉäǤ¹¡£ CSUReXmitInt ¤È CSUSReXmitInt ¤Ë´Ø¤·¤Æ º®Í𤷤ʤ¤¤è¤¦¤Ë¤·¤Æ¤¯¤À¤µ¤¤¡£
cnt⟩;
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cnt⟩;
ʸ¤Ï¡¢ Hello ¥á¥Ã¥»¡¼¥¸¤ËÆþ¤ì¤é¤ì¤Æ DCS ¤ËÁ÷¤é¤ì¤ë¡¢Hello Dead Factor ¤ò»ØÄꤷ¤Þ¤¹¡£ HelloDead * HelloInt ÉÃ´Ö DCS ¤«¤é¤Ê¤Ë¤â¼õ¿®¤·¤Ê¤¤¾ì¹ç¡¢ “DCS down” ¾õÂÖ¤¬¸¡½Ð¤µ¤ì¤Þ¤¹¡£ HelloDead ¤Î¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 3 ¤Ç¤¹¡£
int⟩;
ʸ¤Ï¡¢ Hello ¥á¥Ã¥»¡¼¥¸¤ËÆþ¤ì¤é¤ì¤Æ DCS ¤ËÁ÷¤é¤ì¤ë¡¢Hello Interval ¤ò»ØÄꤷ¤Þ¤¹¡£ HelloInt ¤Î¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 3 ÉäǤ¹¡£
cnt⟩;
ʸ¤Ï (DCS ¤«¤é DCS ¤Ø¤Î) ¥Û¥Ã¥×¿ô¤ò»ØÄꤷ¡¢ ¥í¡¼¥«¥ë¥µ¡¼¥Ð¤òµ¯ÅÀ¤È¤¹¤ë CSA ¤ÎÃæ¤Ë»ØÄꤵ¤ì¤Þ¤¹¡£ ¤³¤ÎÃͤϺǾ®¤Ç¤â¥µ¡¼¥Ð¥°¥ë¡¼¥×¤Îľ·Â¤Ç¤¢¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ ¤¹¤Ê¤ï¤Á¡¢ ¥µ¡¼¥Ð·²Ãæ¤ÎÁ´¥µ¡¼¥Ð¤Ë CSA ¤¬ÅÁÇŤ¹¤ë¤Î¤Ë½½Ê¬¤ÊÂ礭¤µ¤¬É¬ÍפȤ¤¤¦¤³¤È¤Ç¤¹¡£ Hops ¤Î¥Ç¥Õ¥©¥ë¥ÈÃÍ¤Ï 3 ¤Ç¤¹¡£

log ʸ¤Ï¡¢ scspd ¤ÎÁàºî¾ðÊó¤ò¤É¤Î¤è¤¦¤Ë¥í¥°¤¹¤ë¤«¤ò»ØÄꤷ¤Þ¤¹¡£ scspd ¥æ¡¼¥Æ¥£¥ê¥Æ¥£¤Ï¡¢¥í¥°¾ðÊó¤ò¥Õ¥¡¥¤¥ë¤Ë½ñ¤­¹þ¤à¤³¤È¤¬¤Ç¤­¤Þ¤¹¤·¡¢ ¥·¥¹¥Æ¥à¤Î¥í¥°¤Ë½ñ¤­¹þ¤à¤³¤È¤â¤Ç¤­¤Þ¤¹¤·¡¢Î¾Êý¤È¤â¹Ô¤¦¤³¤È¤â²Äǽ¤Ç¤¹¡£
file name⟩;
ʸ¤Ï¡¢ scspd ¤¬¥í¥°¥á¥Ã¥»¡¼¥¸¤ò »ØÄꤵ¤ì¤¿Ì¾Á°¤Î¥Õ¥¡¥¤¥ë¤Ë½ñ¤­¹þ¤à¤³¤È¤ò»ØÄꤷ¤Þ¤¹¡£ ¥Õ¥¡¥¤¥ë¤¬´û¤Ë¸ºß¤¹¤ë¾ì¹ç¡¢¥í¥°¥á¥Ã¥»¡¼¥¸¤Ï¥Õ¥¡¥¤¥ë¤ÎºÇ¸å¤ËÄɲ䵤ì¤Þ¤¹¡£
;
ʸ¤Ï¡¢ scspd ¤¬¥í¥°¥á¥Ã¥»¡¼¥¸¤ò syslog ¥Õ¥¡¥·¥ê¥Æ¥£¤Ë½ñ¤­¹þ¤à¤³¤È¤ò»ØÄꤷ¤Þ¤¹¡£ scspd ¥æ¡¼¥Æ¥£¥ê¥Æ¥£¤Ï¡¢¥Õ¥¡¥·¥ê¥Æ¥£¥³¡¼¥É LOG_DAEMON ¤ò»ÈÍѤ·¤Æ¡¢ ¥á¥Ã¥»¡¼¥¸¤ò syslog ¤Ë½ñ¤­¹þ¤ß¤Þ¤¹¡£

log ʸ¤ò»ØÄꤷ¤Ê¤¤¤È¡¢ scspd ¤Ï¥í¥°¥á¥Ã¥»¡¼¥¸¤ò ¥·¥¹¥Æ¥à¤Î¥í¥°¤Ë½ñ¤­¹þ¤ß¤Þ¤¹¡£ file ¤È syslog ¤ÎξÊý¤¬»ØÄꤵ¤ì¤ë¤È¡¢ »ØÄꤵ¤ì¤¿Ì¾Á°¤Î¥Õ¥¡¥¤¥ë¤È¥·¥¹¥Æ¥à¤Î¥í¥°¤ÎξÊý¤Ë¡¢ scspd ¤Ï¥í¥°¥á¥Ã¥»¡¼¥¸¤ò½ñ¤­¹þ¤ß¤Þ¤¹¡£

scspd ¤Î´Êñ¤ÊÀßÄê¥Õ¥¡¥¤¥ë¤ÎÎã¤Ï¼¡¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹:
server atmarp_ni0 {
     protocol ATMARP;
     netif ni0;
     ServerGroupID 23;
     DCS {
          ID 10.1.1.2;
          ATMaddr 0x47.0005.80.ffdc00.0000.0002.0001.002048061de7.00;
          hops 2;
     };
};

¤³¤ÎÀßÄê¤Ç¤Ï¡¢¥Í¥Ã¥È¥ï¡¼¥¯¥¤¥ó¥¿¥Õ¥§¡¼¥¹ ni0 ¾å¤Ç¼Â¹Ô¤µ¤ì¤Æ¤¤¤ë ATMARP ¥µ¡¼¥Ð¤Î¥­¥ã¥Ã¥·¥å¤È¡¢ IP ¥¢¥É¥ì¥¹ 10.1.1.2 ¤Î¥Û¥¹¥È¾å¤Ç¼Â¹Ô¤µ¤ì¤Æ¤¤¤ë 2 ÈÖÌܤΥµ¡¼¥Ð¤Î¥­¥ã¥Ã¥·¥å¤È¤Î Ʊ´ü¤ò¤È¤ê¤Þ¤¹¡£ ¥í¥°¥á¥Ã¥»¡¼¥¸¤Ï¥·¥¹¥Æ¥à¤Î¥í¥°¤Ë½ñ¤­¹þ¤Þ¤ì¤Þ¤¹¡£

¼¡¤Î¥·¥°¥Ê¥ë¤ò»ÈÍѤ·¤Æ scspd ¤òÀ©¸æ¤Ç¤­¤Þ¤¹:
ÀßÄê¥Õ¥¡¥¤¥ë¤òºÆÅÙÆɤ߹þ¤ß¡¢ scspd ¤òºÆ¥¹¥¿¡¼¥È¤·¤Þ¤¹¡£
¥Ç¥Ð¥Ã¥°¾ðÊó¤ò¥Õ¥¡¥¤¥ë¤Ë¥À¥ó¥×¤·¤Þ¤¹¡£ SIGINT ¤ò¼õ¿®¤¹¤ë¤È¡¢ scspd ¤ÏÀ©¸æ¥Ö¥í¥Ã¥¯¤Î¥µ¥Þ¥ê¤ò¥Æ¥­¥¹¥È¥Õ¥¡¥¤¥ë¤Ë¥À¥ó¥×¤·¤Þ¤¹ ( ´ØÏ¢¥Õ¥¡¥¤¥ë »²¾È)¡£

/etc/scspd.conf
scspd ¤Î¥Ç¥Õ¥©¥ë¥È¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Î̾Á°¤Ç¤¹¡£ Ê̤Î̾Á°¤Ï¡¢¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ç -f ¥ª¥×¥·¥ç¥ó¤Ç»ØÄê²Äǽ¤Ç¤¹¡£
/tmp/scspd.pid.seq.out
¥Ç¥Ð¥Ã¥°¾ðÊó¤ò¥À¥ó¥×¤¹¤ë¥Õ¥¡¥¤¥ë¤Î̾Á°¤Ç¤¹¡£ scspd ¥æ¡¼¥Æ¥£¥ê¥Æ¥£¤¬ SIGINT ¥·¥°¥Ê¥ë¤ò¼õ¿®¤¹¤ë¤È¡¢ À©¸æ¥Ö¥í¥Ã¥¯¤Î¥µ¥Þ¥ê¤ò¤³¤Î¥Õ¥¡¥¤¥ë¤Ë½ñ¤­¹þ¤ß¤Þ¤¹¡£ ⟨pid⟩ ¤Ï¥Ç¡¼¥â¥ó¤Î¥×¥í¥»¥¹ ID ¤Ç¤¢¤ê¡¢ ⟨seq⟩ ¤Ï¥À¥ó¥×¤¬¤È¤é¤ì¤ë¤´¤È¤ËÁý¤¨¤ë¥·¡¼¥±¥ó¥¹ÈÖ¹æ¤Ç¤¹¡£
/tmp/scspd.pid.trace
¥È¥ì¡¼¥¹¥Õ¥¡¥¤¥ë¤Ç¤¹¡£ -T ¥ª¥×¥·¥ç¥ó¤¬¥³¥Þ¥ó¥É¥é¥¤¥ó¤Ç»ØÄꤵ¤ì¤ë¤È¡¢ scspd ¥æ¡¼¥Æ¥£¥ê¥Æ¥£¤Ï¥È¥ì¡¼¥¹¾ðÊó¤ò¤³¤Î¥Õ¥¡¥¤¥ë¤Ë½ñ¤­¹þ¤ß¤Þ¤¹¡£

atm(8), atmarpd(8) Server Cache Synchronization Protocol (SCSP), RFC 2334. A Distributed ATMARP Service Using SCSP, draft-ietf-ion-scsp-atmarpd-00.txt.

scspd ¤¬½ªÎ»¤·¤ÆºÆ¥¹¥¿¡¼¥È¤¹¤ë¤È¡¢ °ÊÁ°¤ËƱ´ü¤µ¤ì¤¿¥­¥ã¥Ã¥·¥å¥¨¥ó¥È¥ê¤¬¥¿¥¤¥à¥¢¥¦¥È¤·¤Æ ¥ê¥Õ¥ì¥Ã¥·¥å¤µ¤ì¤ë¤Þ¤Ç¤Î´ü´Ö¡¢ÉÔ°ÂÄê¤Ë¤Ê¤ê¤Þ¤¹¡£

¥Ð¥°¤Ï ⟨harp-bugs@magic.net⟩ ¤ËÊó¹ð¤·¤Æ¤¯¤À¤µ¤¤¡£

Copyright (c) 1994-1998, Network Computing Services, Inc.

John Cavanaugh, Network Computing Services, Inc. Mike Spengler, Network Computing Services, Inc. Joe Thomas, Network Computing Services, Inc.

ËÜ¥½¥Õ¥È¥¦¥§¥¢¤Ï¡¢ Defense Advanced Research Projects Agency (DARPA) ¤Î¶¨ÎϤˤè¤ê³«È¯¤µ¤ì¤Þ¤·¤¿¡£

ËÙÀîÏÂͺ ⟨horikawa@jp.FreeBSD.org⟩
August 21, 1998 FreeBSD 13.1-RELEASE

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