???? latencies ?????? ??? Exchange 2000 ????? ?????? ?? MAPI ??? ????? MIME

??? ???? ????? ?????? ?????????? ?????? ????? ?? MIME ?????. ?? ??? ???????? Microsoft Exchange Server ???? ????? ????? MIME ??? MAPI ?????.

??????? Post Office Protocol 3 (POP3) ?? "???????? ?????? ??? ??????? ??? ????????" ??? ? ??????? 4rev1 ??? ????? ??????? (IMAP4) ?????? ??? ?????? ?????????? ?? ??????? ????? MAPI ??? ???? ??? ????? MIME ??? ?? ????? ??????? ?? ????? ??????. ???? ??? ??????? ??? ??????? ?????? ???? ? ??? ????? ?? ??? ?? ??? ??????? ??????? ????? MIME ?? ????? ????????. ??? ??? ????? ???? ?? 4 ???????? (KB) ? ?? ???? ????? ?????? ?? ???????. ????? Microsoft Exchange 2000 Server ???? ??? ???? ??? ?????? Tmp Windows.

??? ????? ?????? ??? MAPI ????? ???????? ???????:

• ????? ??? - ???? ??????
• ????? ???????? ?????? ?????

?? ???? ??? ??? ????? IMAP4 ?POP3 ?????? ????? ???? ????? ????? ??????. ?? ??? ???????? ???? ????? ???????? ?? ????? ???? ????? ??? ??????? ??? MAPI ?? ???? ????? ??? ???? latencies ??????.

??? ??????? ???? ????? ????? ??????? ???? ????? ??????? ??? ????? ????? ?? ??? ????? ???????:

??? ?????: ???
???? ?????: ESE
????? ?????: ???
???? ?????????: ?????
???? ????????? ???: (2048) ???? ????? ??? ???? ?????? ?? ??? ??? 0 ("c49a179d - ac1f-4894-8211-0c2917d34500") ????? ?? ????? ?????? 108 ????????. ??? ??????? ???? ????? ????? ???? ??????? ?????? ??????? ????? ????? ? ??? ???? ??? ????? ?? ?????. ??? ??????? ??? ???????? ??????? ????? ????? ?? ??????? ???????? ??? ?? ???????. ?????? ??????? ????? ????? ????????: SessionId: 0x1B6525A0 ???? ????: 0x00000000 ThreadId ???? ????: 0x00000AF8

??? ?????: ???
???? ?????: MSExchangeIS ???? ???? ??????
??? ?????: ?????? ????? ??????
????? ?????: 1022
???? ?????????: ?????
???: ??? ????? ?????? ??? ????? ???????? "?????? ??????? Group\Mailbox ???? (?????)" - ???? Windows NT ????????\?????? ? /o ???? ?????? = ???????/ou = AG/cn = ??????/cn = ????????.

?????? ???? ???? latencies ??????

??? ??? ???? ?????????? ??? ???? Exchange 2000 ??????? ????? POP3 ?? IMAP4 ??? ????? ????? ??? ???? ?? ??????? ?? ??? ?????? ?? ????? MIME. ??? ?? ??? ??? ?????? Exchange 2000 ????? ???? ??? ??????? ??? MAPI.

?? ???? latencies ?????? ?? ????????? ??????:

1. ?? ??? ??? ???? ?? ??? ?????? ???.
2. ?? ????? ??????.
3. ????? ?????? ???????? ?????????? ?????? ??? ????? POP3 (???????? ????? RETR) ?? ????? IMAP4 (???????? ????? ?????) ?????? ??? ??????.

?? ??? ?????????? ??? ?? Exchange 2000 ????? ????? MAPI ??? ???? ??? MIME. ?????? Tmp Windows ????? ??? ????? ??? ??? ????? ??? ??? ???? ?? spindles. ????? ?????? ????? ??? ???? ?? ???????/??????? (I/O) ??????? ???? ????? ?? ?????? ?? ???????. ????? ?? ????? ?????? ??????? ?????? (??? ??? ??? ?????) ????? ???? ???????? ????? ?????? ??? ??????? ??? ??????? ??? ??????. ???? ??? ?????? ??? ????? ???? ??? ?????? Tmp ?? ?????? ???? ???? ????? ???? ???? Exchange 2000 ?????? ???????.

?? ???? latencies ?????? ????? ?? ????????? ??????:

1. ????? ???? ???????? ?????? ??? ??????? ???????? ?? MIME ?????.
2. ??? ??? ???????? ????? ???????? ??? ???? ???. MIME ????? ?? ???????? ?????? ??? ?????? ?????? ??? ??????? ??? MAPI.
3. ??????? ?????????? IMAP4 ?????? ??? ??????? ??? ?????? ??????.

?? ??? ?????????? ????? Exchange 2000 ?????? ??????? ??? MIME ???? ????? ???? ????? ????? ??????.

????? ???? latencies ??????

?? ????? ??? Exchange 2000 ?? ????? ??????? ??? MAPI ??? ??? ??? ?????? ?? ??? ????? ????? ???????? ??????? ?????? ???????. ???????? ??? ???? ?? ????? ????? ?????? ???? ?????? Exchange 2000 ????? ??????? ???????? ?? Exchange 2000. ??? ?? ?????? Exchange 2000 ?????? ???? ????? ?????? ???? Microsoft Windows TMP ?? ????? ???????? TMP Windows.

??? ??????? ????? ?????? TMP ??? ?????? Exchange 2000 ?????. ?? ??????? ????? ?????? TMP ???? ?????? ???? ???? ???????? ??? ?????? ?????? ????????. ????? ??????? ???? ??? ?????? ????? ????? ?????? TMP ???????? ??? ???? ?????? ?????? ???? ????? ???? ????? ??? ???? ???? ??????? ?????? ??? ?????? ?????? ?????? ? spindles ????? ??????? ?? ?????????.

???? ?? ??? ???? ?????? ??? ????? ????? ???? ???? Tmp ??? ???? ????? ???? ?????? ????? ??? ?? ???? ????? ????? ????? ?????. ???? ??? ???????? ???? ??? ??????? ????? ??? ???? surviving ????? ????? ?????. ???? ???? Microsoft ?? ????? ?????? ??? ???? ????? ???? ?????? ?????. ??? ??? ???? ??? ?????? Tmp ??? ??????? ??????? ??????.

??? ??? ???? Exchange 2000 ??????? ??? ????? ?????? ?????? ???? ?? ????? ????? ?????? ?? ??? ????? ???? ????? ????? ?? ????? ???? ???????? ??????? ?? ?? ????? ?? ??? ?????? Tmp ??? ??????? ??????? ??????. ??? ???? ? ????? ??? ????? ?????? ????? ???? ??? ?? ????? ???? ?????? (SAN) ????? ????? ?????? ????? ??? ????? ???????? ???? ???? ???? ???? ??? ?????? Tmp ???.

?????? ?????????? ?????? ?????? ???? ???? ????? ????? ????? ?????? ??????? ??????? ?????? ????? ???? ??? ??????? ??????. ??? ???????? ?? ??? ????? POP3 ? ????? ?????? IMAP4.

????? ?? ???? ?????? ????? ?? ???? ????? ????? ?????? ??? ????? ???????? "???? ???????" ?? ???????? ????? ????. ?? ????? ??? ??? ???????? ????? ????? ???? ???????. ??? ???? Microsoft ?? ????? ?? ?? ??? ????????. ????? ??????? ??? ???????? ??????.

????? POP3

• ????? ???????:
  HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Pop3svc\Parameters
• ???????: ??????? (REG_DWORD)
• ??????? ?????????: ??? ?????
• ??? ?????: ????? ??? ??????? ????? ???? ?????? ??? ??????? ???????? ??? ??????? ????????. ???? ??? ??? ??? ?????? ??? ??????? ??? ????? ?????? ?????? ?? ?? ??? ???? ???? ????. ?? ???? ??? ??????? ??? ??? ????????? (RFC) ???????.
• ????? ??????: 0xfffffffe

????? IMAP4

????? ??????? ??????? ??????? ?????????? IMAP4. ?????? ????? ???? ??????? ???????:

1. ??? ????? ?????? ??????? IMAP4.
2. ?? ??????? ??? ? ???? ?????? ???? ???????? ????? ??????? ??????? ??????? ?? ???? ??? ?????.

?????? ??? ????? ?????? ??????? ??? ????? ????? ???? ????? ????? ??????? ?????? ?? Microsoft (IIS) ? Microsoft Exchange ????? ???? ?????????. ??? ??? ???? ?????? Exchange Virtual Server (EVS) ??? ???????? ????? ???? ???????? ? ?????? ?? EVS ??? ????? ??? ????? ????? ??? ???????.

????? ????? ?? ??? ??? ?????? ??? ?????? Tmp ???? latencies ??????

?????? ?? ??? ??? ?????? ??? ?????? Tmp ??? ???? Exchange 2000 ???? latencies ?????? ??????? "????? ??????" ??????? ???? ????? I/O ??? ????? ??? ???? ???? Tmp. ??? ????? ??? Tmp ???? ?????? ? ?? ????? ???????? ???????:

• ??? ????? ?????? ????? ????
• ??? ???? ?????? I/O

??? ??? ?????? Tmp ??? ??? ????? ????? ?? ??? ???? ????, ?? ????? ?????? I/O ????? ???????. ????? ??? ???? ????? ????? ?????? ????? ??????? ?? "????? ??????". ?????? ????:

1. ???? ??? ???? ?? ???? ??? ????? ????? cmd ?? ?? ???? ENTER.
2. ???? diskperf - yv ?? ?? ???? ????? ??????? ENTER ?????? ????? ?????? ???? ????? ?????? ??????? ???????? ?? ?????? ????? ??????.
3. ?? ?????? ????? ???? ????????? ????? ?????? ????? ???????.

?????? ??? ??????? ?????? ??? ????? ????? ????? ???????? ??????? ???? ?????? ??? ???? ??? ????? ???????? ??????? ?????? ?? "????? ??????? ?? Microsoft:

????? ????? ??? spindles ????? ?????

??? ??? ??? ??????? ????? ???????? 45 ? ???? ?????? ????? 3 ???? TMP ?? ?? RETR (POP3) ?? ????? (IMAP4) ??? ????? ?????? ?? MAPI ??? MIME. ????? ??????? ??? ?????? ?????? ??? spindles ????? ???????? ??? ?? ???????.

??? ???? ??????? ????? ?? ???? ?????????? 1,000. ??? ?? ?????? ???? ???? ????? ??? ????? 500 ? ???? ??? ?????? ?? ????? ???. ??? ???????? ???? ??? ????? ???? ?????????? RETR ?? ????? ?????? ?????? ??? ??? ???? ????? 42 ??????? ?????? ????? ?????? ??????? ??? ????? ?? ??????? ??? ???? ??????? TMP (?????? ??????? 3 ??? RETR ??? ????? RETR 42 ?? ???????). ???? ?????? ???? ????? ???? ????? 100 ?????? ??????? ?? ???????. ????? ??? spindles Raid0 ????? ???????? ? ?? ????? Raid0 + 1 spindles. ?? ?????? ??? ?????? ??? ???? Exchange 2000 4 × 450 ???????? ?? 4 ???????? (GB) ?? RAM.