Excuse:	ɤ Globus  GSS_ASSIST layer and/or Globus I/O 
	ˡGFSL ä

0. Gfarm ȤơGlobus ˰¸GSSAPI ˰¸ä
	٥󶡤 GSSAPI 饤֥(on kerberos)λѤǽˤ
	롣

1. Globus I/O API Υǥ뤬 event handler registration Ʊ I/O 
   ǥʤΤǡselect(2)/poll(2) ˤ multiple object I/O event
   multiplexing wait Ʊ I/O ǥ˴줿ץޤѻ
   Ť餤Τ褦ʥץޤ secure ̿ϩ󶡤Τ
   ˡGlobus I/O λѤ򶯤ΤϺǤ롣

   GSSAPI ľܥץޤ˻ѤΤ⡢GSSAPI ʰ
   ̲ͤ API Ǥ뤿˻Ȥ꤬˰Ȥϸʤ

   Globus  GSS_ASSIST layer ϡGlobus I/O and/or Nexus ȤѤ
   ˡGSSAPI ľܻѤ¤ŪǳȯƤΤǡ
   secure ̿ϩȤ security context Ūˤ
   ȤŤ餤

   ǡGSS_ASSIST Ʊ layer ˤʤ顢Globus I/O, Nexus Ȥ
   ƱѤȤʤGFSL γȯ˻ä
