ATM on Linux ÆÐÅ°Áö ¼³Ä¡¿Í ±¸¼º ¹æ¹ý
(How to Install and Configure ATM on Linux package)

    ±èÀç¸í(Çѱ¹ÀüÀÚÅë½Å¿¬±¸¿ø) / jaemkim@etri.re.kr

 

 

¿ä¾à

    ATMÀº Çϵå¿þ¾î ±â¹ÝÀÇ ¸µÅ© ·¹º§ÀÇ °í¼Ó, °í¼º´É Åë½Å±â¼ú·Î ±âÁ¸ ³×Æ®¿öÅ©¿ÍÀÇ ÀÎÅÍ¿öÅ·À» À§ÇØ ºÎ°¡ÀûÀÎ ATM ó¸® ¼ÒÇÁÆ®¿þ¾î°¡ ÇÊ¿äÇÏ´Ù. ATM on Linux ÆÐÅ°Áö´Â ÃÖ±Ù UNIX¿Í °ÅÀÇ µ¿ÀÏÇÑ ±â´ÉÀ» Á¦°øÇÏ´Â ¹«·á·Î ¹èÆ÷µÇ´Â Linux ¿î¿µÃ¼°è »ó¿¡¼­ µ¿ÀÛ °¡´ÉÇÑ ATM ó¸® ¼ÒÇÁÆ®¿þ¾î·Î IETF Ç¥ÁØÀÎ Classical IP over ATM ±â´É°ú ATM ForumÀÌ Ç¥ÁØÀ¸·Î äÅÃÇÑ LAN Emulation ±â´ÉÀ» Á¦°øÇÏ´Â ¹«·á ÆÐÅ°ÁöÀÌ´Ù. º» ±â¼ú¹®¼­¿¡¼­´Â ±Þ¼ÓÇÏ°Ô ¹ßÀüµÇ°í ÀÖ´Â Linux ¿î¿µÃ¼°è »ó¿¡¼­ ÀÌ ÆÐÅ°Áö¸¦ ¼³Ä¡ÇÏ°í ±¸¼ºÇÏ¿©, ´Ù¾çÇÑ ½ºÀ§Ä¡¿¡¼­ Classical IPOA ¹× LANEÀÇ ±â´ÉÀ» ½ÃÇèÇÑ °á°ú¸¦ Åä´ë·Î ÀÌ ÆÐÅ°ÁöÀÇ È°¿ë ¿©ºÎ¿¡ ´ëÇØ ¼³¸íÇÑ´Ù.

 

¸ñÂ÷

    1. °³¿ä
    2. ¼³Ä¡
      2.1. ¾ÈÁ¤ Ä¿³Î
      2.2. °³¹ßÀÚ Ä¿³Î
      2.3. PCA-200E Ä«µåÀÇ Ä¿³Î ¸ðµâ ¼³Á¤
      2.4. ATM on Linux ÆÐÅ°ÁöÀÇ ¼³Ä¡
      2.5. ¼³Ä¡µÈ ¼ÒÇÁÆ®¿þ¾îÀÇ °ËÁõ
    3. ±¸¼º
      3.1. Classical IP over ATM
      3.2. LAN Emulation
    4. °á·Ð

 

1. °³¿ä

    ATM ±â¼úÀÌ ÆıÞÀÌ Áö¿¬ µÇ°í ÀÖ´Â ÀÌÀ¯´Â ±â¼úÀ» »ç¿ëÇϱâ À§ÇØ ÇÊ¿äÇÑ Àåºñ ¹× ºÎÇ°ÀÌ °í°¡ÀÌ°í, »ç¿ëÀÚÀÇ ¿ä±¸°¡ ¼º¼÷µÇÁö ¾Ê¾ÒÀ¸¸ç, ATMÀ» »ç¿ëÇؾ߸¸ Çϴ ų·¯(killer) ÀÀ¿ë ÇÁ·Î±×·¥ÀÌ Á¸ÀçÇÏÁö ¾ÊÀº °ÍÀÌ ÀÌÀ¯ÀÌ´Ù. ±×·¯³ª, ÇöÀç ATM ±â¼úÀº °í¼Ó ¹éº» ±â¼ú·Î À§Ä¡¸¦ È®º¸ÇÏ°í ÀÖÀ¸¸ç, Ç¥ÁØÀÇ Á¤¸³ µî °ÅÀÇ ¿Ï¼º ´Ü°è¿¡ µé¾î°¡°í ÀÖÀ¸¹Ç·Î °è¼ÓµÇ´Â ATM ±â¼úÀÇ »ç¿ë Áõ°¡°¡ ÀÖÀ» °ÍÀ¸·Î ¿¹»óµÈ´Ù.

    ÀÌ·¯ÇÑ ATM ±â¼úÀ» °³¹æµÈ Ç÷§Æû¿¡ À̽ÄÇÏ¿©¼­ »ç¿ëÀÌ È®»êµÉ ¼ö ÀÖµµ·Ï ÇÏ´Â °ÍÀº ±â¼úÀ» °³¹ßÇÏ°íÀÚ ÇÏ´Â °³¹ßÀÚ³ª ÀÌ¿ëÀÚÀÇ ³ë·ÂÀÌ ÇÊ¿äÇÑ ºÎºÐÀÌ´Ù. ±×·± Àǹ̿¡¼­ ATM on Linux´Â Werner Almesber¿Í Heiikki VatiainenµîÀÇ ³ë·ÂÀ¸·Î °ø°³µÇ¾î ¹«·á·Î ÀÌ¿ë °¡´ÉÇÑ IPOA¿Í LANEÀ» Áö¿øÇÏ´Â ATM ÆÐÅ°ÁöÀÌ´Ù.

    ÇöÀç ATM on Linux ¼ÒÇÁÆ®¿þ¾î´Â Werner Almsberger¿¡ ÀÇÇØ °³¹ßµÇ¾ú°í À¯Áöº¸¼ö µÇ°í ÀÖ´Ù. ÀÌ ¼ÒÇÁÆ®¿þ¾î´Â Å©°Ô 2°¡Áö°¡ ÀÖ´Ù. Çϳª´Â °³¹ßÀÚ Ä¿³ÎÀ» Áö¿øÇÏ´Â atm-0.38 ¹öÀü°ú ¾ÈÁ¤ Ä¿³ÎÀ» Áö¿øÇÏ´Â atm-0.31°¡ ÀÖ´Ù. ÀüÀÚ´Â UNI 4.0 µîÀÇ ÃÖ±ÙÀÇ Ç¥ÁØÈ­µÈ ±â¼úÀ» ¼ö¿ëÇϱâ À§ÇÑ ¹öÀüÀÌ°í, ÈÄÀڴ óÀ½¿¡ ±³À° ¸ñÀûÀ¸·Î ¸¸µé¾îÁø ºñ±³Àû ¾ÈÁ¤µÈ ¹öÀüÀÌ´Ù.

    ÀÌ ÆÐÅ°Áö¿¡¼­ Áö¿øÇÏ´Â ATM Ä«µå(NIC:Network Interface Card)ÀÇ µå¶óÀ̹ö´Â (Ç¥ 1)°ú °°´Ù. Efficient Network»ç¿Í Zeitnet»çÀÇ Ä«µå´Â ÀÌ ÆÐÅ°Áö¸¦ °³¹ßÇÏ´Â ÇÁ·ÎÁ§Æ®¿¡ Á÷Á¢ »ç¿ëÇÏ°í ÀÖÀ¸¹Ç·Î, ±â´ÉÀÇ Ãß°¡ µîÀÌ È°¹ßÇÏ°Ô ÁøÇàµÇ°í ÀÖ´Ù. ³ª¸ÓÁöÀÇ Ä«µå µå¶óÀ̹ö´Â ÀÚ¿øÀÚÀÇ ³ë·ÂÀ¸·Î À¯ÁöµÇ°í ÀÖ´Ù. ÇöÀç ½ÇÇè¿¡ »ç¿ëÇÏ´Â ATM Ä«µå´Â ZeitNet»çÀÇ ZN, Fore System»çÀÇ PCA-200E, Texas InstrumentÀÇ TNETA 1570À̸ç, ½ºÀ§Ä¡´Â ASX-200, Virata 7000, HANbit ACE 64ÀÌ´Ù. Âü°í·Î TNETA 1570Àº Æò°¡ º¸µå·Î MACÁÖ¼ÒÀÇ Áö¿ø µî ±â´ÉÀÌ ºÎÁ·ÇÏ¿© ½ÇÁ¦ÀÇ ±â´ÉÀ» ½ÇÇèÇϴµ¥´Â ºÎÀûÇÕÇÏ´Ù.

     

¹öÀü

Áö¿øÄ¿³Î

Áö¿øATMÄ«µå

~ atm-0.31

Linux-2.0.29

Efficient ENI-155P
SMC ATM power 155
TI TNETA1570
Zeitnet ZN1221/1225
IDT 77901/77903 155 M or 25M
FORE PCA-200E

atm-0.32 ~ atm0.38

Linux-2.1.105

Efficient ENI-155P
Zeitnet ZN1221/1225

     
    (Ç¥1) Linux-ATM Áö¿ø Ä¿³Î ¹× ATM Ä«µå

    Linux-ATM ¼ÒÇÁÆ®¿þ¾î´Â (Ç¥2)¸¦ ÂüÁ¶ÇÏ¿© ±¸ÇÒ ¼ö ÀÖÀ¸¸ç, ¾ÈÁ¤ ¹öÀü Ä¿³ÎÀ» À§ÇÑ ÃÖÁ¾ ¹öÀüÀº linux-2.0.29ÀÌ°í ATM ÆÐÅ°Áö´Â atm-0.31¹öÀü±îÁö¸¸ Áö¿øµÇ°í, °³¹ßÀÚ ¹öÀü Ä¿³ÎÀÇ ÃֽŠ¹öÀüÀº linux-2.1.105¿Í atm-0.38ÀÌ´Ù. ¾ÈÁ¤ ¹öÀüÀÇ °æ¿ì Ä¿³Î¿¡¼­ÀÇ ÃÖÁ¾ ¹öÀüÀº linux-2.0.35À̳ª 2.0.29¹öÀü ÀÌÈÄ·Î ³×Æ®¿öÅ© °ü·Ã ºÎºÐÀÌ Å©°Ô º¯°æµÇ¾î Ä¿³Î ÆÐÄ¡°¡ ¾È µÇ±â ¶§¹®ÀÌ´Ù. Âü°í·Î ÃÖ±Ù ¾ÈÁ¤ ¹öÀü¿¡ patch°¡´ÉÇÑ ºñ°ø½Ä ÆÄÀÏÀ» http://www.tcm.hut.fi/~justus/linux-atm/¿¡¼­ ¹èÆ÷ÇÏ°í ÀÖ´Ù.
     

ÇÁ·Î±×·¥À̸§

À§         Ä¡

RedHat-4.2.5

ftp://ftp.kreonet.re.kr/pub/Linux/hangul/AlzzaLinux/Alzzalinux-4.2.5

Linux-2.0.29
Linux-2.0.105

ftp://ftp.cs.helsinki.fi/pub/Software/linux/Kernel/v2.0/linux-2.0.29.tar.gz
ftp://ftp.cs.helsinki.fi/pub/Software/linux/Kernel/v2.1/linux-2.1.105.tar.gz

Atm-0.31
Atm-0.38

ftp://lrcftp.epfl.ch/pub/linux/atm/dist/atm-0.31.tar.gz
ftp://lrcftp.epfl.ch/pub/linux/atm/dist/atm-0.38.tar.gz

Fore PCA200e-0.2 firmware image

ftp://os.inf.tu-dresden.de/pub/pca200e/pca_200e-0.2.tar.gz
ftp://os.inf.tu-dresden.de/pub/pca200e/pca200e.bin

     
    (Ç¥2) ÇÁ·Î±×·¥ À§Ä¡

    º» ±â¼ú¹®¼­¿¡¼­´Â ATM¸Á¿¡ »ç¿ëÇϱâ À§ÇØ Linux ¿î¿µÃ¼°è ±â¹Ý PC¿¡ ATM ÆÐÅ°Áö¸¦ ±¸¼ºÇÏ´Â ¹æ¹ý, ATMÀ» Áö¿øÇÏ´Â ¼ÒÇÁÆ®¿þ¾î ¹× µð¹ÙÀ̽º µå¶óÀ̹ö¸¦ ¼³Ä¡ÇÏ´Â ¹æ¹ý ¹× IP ³×Æ®¿öÅ© Æ®·¡ÇÈÀÌ Àü´ÞµÉ ¼ö ÀÖµµ·Ï ¿¬°á ¼³Á¤ÇÏ´Â ¹æ¹ý, IPOA ¹× LAN Emulation ±â´ÉÀ» ½ÃÇèÇϱâ À§ÇØ ÆÐÅ°Áö¸¦ ±¸¼ºÇÏ´Â ¹æ¹ý ¹× ÇöÀç °³

    ¹ßÁßÀÎ HANbit ACE 64 ±³È¯±â»ó¿¡¼­  IPOA ¼­¹ö¸¦ ±¸ÃàÇÏ´Â ¹æ¹ýÀ» ±â¼úÇÑ´Ù. ¶ÇÇÑ, ÀÌ·¯ÇÑ °æÇèÀ» ±âÃÊ·Î ATM on Linux ÆÐÅ°ÁöÀÇ °ü·Ã °úÁ¦ »ç¿ë¼º ¿©ºÎ¿¡ ´ëÇØ ¼³¸íÇÑ´Ù.

 

2. ¼³Ä¡

    °³¹ßÀÚ Ä¿³Î°ú ¾ÈÁ¤ Ä¿³ÎÀÇ ¼³Ä¡ ¹æ¹ýÀÌ ¾à°£ ´Ù¸£¹Ç·Î µÎ ºÎºÐÀ¸·Î ³ª´©¾î¼­ ¼³¸íÇÑ´Ù. ¶ÇÇÑ, PCA200E Ä«µåÀÇ µå¶óÀ̹ö¸¦ ¸ðµâ·Î Ä¿³Î¿¡ ¼³Ä¡ÇÏ´Â ¹æ¹ý°ú, ATM on Linux ÆÐÅ°Áö¸¦ ¼³Ä¡ÇÏ´Â ¹æ¹ý¿¡ ´ëÇØ ¼³¸íÇÑ´Ù. ÀÚ¼¼ÇÑ ³»¿ëÀº ÆÐÅ°Áö ³»¿¡ USAGE ÆÄÀÏÀ» Âü°íÇÏ¿© ¼³Ä¡ÇÑ´Ù.[1] ¼³Ä¡´Â root ±ÇÇÑÀ» °¡Áø »ç¿ëÀÚ°¡ /usr/src µð·ºÅ丮¿¡¼­ ÀÛ¾÷À» ÇÏ°Ô µÇ¸ç, ¸í·É¾î´Â %·Î ³ªÅ¸³½´Ù.

    2.1 ¾ÈÁ¤ Ä¿³Î

      (1) °¡Á®¿Â Ä¿³Î°ú ÆÐÅ°Áö¸¦ Ǭ´Ù
           % tar xvzf linux-2.0.29.tar.gz; tar xvzf atm-0.31.tar.gz; cd linux
      (2) ATM ÆÐÅ°Áö°¡ µ¿ÀÛ °¡´ÉÇÑ Ä¿³ÎÀ» Àç»ý¼ºÇϱâ À§ÇØ ÆÐÅ°Áö³»¿¡ ÀÖ´Â patch¸¦
           Ä¿³Î¿¡ Àû¿ë½ÃŲ´Ù.
           % patch -s -p1 <../atm/atm.patch
      (3) ¸ñÀû ÆÄÀÏ, »óÈ£ ÀÇÁ¸ °ü°è ÆÄÀÏ µîÀ» ±ú²ýÀÌ Á¤¸®ÇÑ´Ù.
           % make mrproper
      (4) Ä¿³Î¿¡ ´ëÇÑ °¢Á¾ ÀåÄ¡ µîÀÇ µ¿ÀÛ  ¿É¼ÇÀ» ¼³Á¤Çϱâ À§ÇØ config¸¦ ¼öÇàÇÑ´Ù.
           config¸¦ ¼öÇàÇÏ´Â ¸í·ÉÀ¸·Î´Â 3°¡Áö°¡ Àִµ¥, ÅؽºÆ® ÇüÅ·Π¹°¾î¿À´Â config,
           ¸Þ´º ÇüÅ·Π³ª¿À´Â menuconfig, ±×¸®°í X À©µµ¿ì¿¡¼­ ¼³Á¤ °¡´ÉÇÑ xconfig°¡
           ÀÖ´Ù. ¿©±â¼­´Â »ç¿ëÀÌ °£´ÜÇÑ menuconfig¸¦ »ç¿ëÀ» ±ÇÇÑ´Ù.
           % make menuconfig

        À§ÀÇ ¸í·É¾î¸¦ ¼öÇàÇÏ¸é °¢Á¾ ¿É¼ÇÀÌ ¸Þ´º·Î Á¦°øµÇ´Âµ¥ ´ÙÀ½ÀÇ ¿É¼ÇÀ» ¼±ÅÃÇÑ´Ù
        (i)
        Loadable Modules Option : FORE µå¶óÀ̹ö¿Í °°ÀÌ Ä¿³Î ¸ðµâ·Î µ¿ÀÛÇÒ ¶§
            ÇÊ¿äÇÏ´Ù.
        (ii)
        Networking Options : TCP/IP Networking, ATM, LANE Support µîÀÇ ±â´ÉÀ»
             È°¼ºÈ­ ½ÃŲ´Ù. ATMÀÇ °æ¿ì ´ÙÀ½ÀÇ ºÎ¿É¼ÇÀ» ¼±ÅÃÇÑ´Ù.

          Asynchronous Transfer Mode (ATM) (CONFIG_ATM)
                Enable single-copy
                   Extended debugging for single-copy
                Classical IP over ATM with ATMARP
                Classical IP over ATM with PVC
                Application REQested IP over ATM
                LANE support

        (iii) Network Device Support Options : ÀåÂøÇÑ ATM, Ethernet µî ³×Æ®¿öÅ©
             µð¹ÙÀ̽º µå¶óÀ̹ö¸¦ ¼±ÅÃÇÑ´Ù. PCA-200E Ä«µå´Â Ä¿³Î¸ðµâ·Î Áö¿øÇϹǷÎ
             ¼±ÅÃÇÒ ÇÊ¿ä°¡ ¾ø´Ù.

      (5) Ä¿³Î ÄÄÆÄÀÏÀ» ¼öÇàÇÑ´Ù.
           % make dep; make clean; make zlilo
           ÀÌ ¸í·ÉÀÇ ¼öÇà °á°ú·Î ½Ã½ºÅÛ¸Ê ÆÄÀÏ°ú Ä¿³Î ¿ÀºêÁ§Æ®°¡ ·çÆ®(/) µð·ºÅ丮¿¡
           »ý¼ºµÈ´Ù.
      (6) Ä¿³Î ¸ðµâÀ» ÄÄÆÄÀÏÇÏ°í ¼³Ä¡¸¦ ¼öÇàÇÑ´Ù.
           % make modules; make modules_install
           ±× °á°ú´Â /lib/modules/`uname -r` µð·ºÅ丮¿¡ »ý¼ºµÈ´Ù.
      (7) »ý¼ºµÈ ½Ã½ºÅ۸ʰú Ä¿³Î ¿ÀÁ§Æ®¸¦ /boot µð·ºÅ丮·Î ¿Å±â°í, /etc/lilo.conf ÆÄÀÏÀÇ
           image, label ¶óÀÎÀ» ¼öÁ¤ÇÑ ÈÄ ÀçºÎÆÃÇÑ´Ù.
           % cd /;mv System.map vmlinuz /boot
           % vi /etc/lilo.conf ¼öÁ¤
           % sync;sync; reboot

    2.2 °³¹ßÀÚ Ä¿³Î

      (1) °¡Á®¿Â ÇÁ·Î±×·¥À» tar¸í·ÉÀ» »ç¿ëÇÏ¿© /usr/src¿¡ Ǭ´Ù.
           % tar xvzf atm-0.38.tar.gz; tar xvzf linux-2.1.105.tar.gz; cd linux
      (2) »ý¼ºµÈlinux µð·ºÅ丮·Î º¯°æÇÑ ÈÄ Ä¿³ÎÀ» ´ÙÀ½ ¸í·É¾î·Î ÆÐÄ¡½ÃŲ´Ù.
           % patch -p1 < ../atm/atm.patch
      (3) Ä¿³ÎÀ» Àç ÄÄÆÄÀÏÇÏ´Â ÀýÂ÷¸¦ ½ÃÇàÇÑ´Ù.
           % make mrproper
           % make menuconfig

        À§ÀÇ ¸í·ÉÀÇ °á°ú·Î ¼³Á¤ÇÒ ¸ñ·ÏÀÌ ³ªÅ¸³ª´Âµ¥ ´ÙÀ½ÀÇ ¸ñ·Ï°ú ºÎ¸ñ·ÏÀ» ¼±ÅÃÇÑ´Ù.

        (i) Code maturity level options
            [*] Prompt for development and/or incomplete code/drivers
        (ii) Networking options
            [*] Asynchronous Transfer Mode (ATM, EXPERIMENTAL)
            [*]    Classical IP over ATM
            <*>   LAN Emulation (LANE) support
            (iii) Network device support
            <*> ZeitNet ZN1221/ZN1225

        (i)Àº °³¹ßÀÚ Ä¿³ÎÀ» À§ÇÑ ¿É¼ÇÀ¸·Î ATMÀÌ °³¹ßÁßÀÎ ¼ÒÇÁÆ®¿þ¾îÀ̹ǷΠ¹Ýµå½Ã ¼³Á¤ÇÏ¿©¾ß (ii)¿Í (iii) Ç׸ñÀÌ ³ªÅ¸³­´Ù. (ii)´Â Áö¿øÇÏ´Â ATM ¼­ºñ½º¸¦ ¼±ÅÃÇÏ´Â Ç׸ñÀ̸ç ÃÖ±Ù ¹öÀü¿¡¼­´Â IPOA¿Í LANE¸¸ Áö¿øÇÏ°í ÀÖÀ¸¸ç, (iii)Àº »ç¿ëÇÒ ATM Ä«µå¸¦ ÁöÁ¤ÇÑ´Ù.
        ÀÌ¿Ü¿¡µµ Ethernet Card µî µå¶óÀ̹ö¿Í °¢Á¾ ±â´É¿¡ ´ëÇÑ Ãß°¡, »èÁ¦, º¯°æÀÌ ÇÊ¿äÇÑ ºÎºÐÀ» ¼±ÅÃÇÑ´Ù.

      (4) ´ÙÀ½À¸·Î Ä¿³Î ¹× Ä¿³Î ¸ðµâ ÄÄÆÄÀÏÇÑ´Ù.
           % make dep; make bzlilo; make modules;make modules_install
           ¿©±â¼­ bzliloÀ» »ç¿ëÇÏ¿©¾ß ¾ÐÃàµÈ Ä¿³Î ÆÄÀÏÀ» »ý¼ºÇϹǷΠºÎÆÃÀÌ °¡´ÉÇÏ´Ù.
      (5) »ý¼ºµÈ Ä¿³ÎÀº ·çÆ® µð·ºÅ丮 ¹Ø¿¡ System.map°ú vmlinuz¶ó´Â À̸§À¸·Î ¸Ê ÆÄÀÏ°ú
           Ä¿³Î ÆÄÀÏÀÌ »ý±â¹Ç·Î /etc/lilo.conf ÆÄÀÏÀ» ¼öÁ¤ÇÏ¿© lilo ¸í·É¾î¸¦ ½ÇÇà½ÃŲ ÈÄ
           ¿¡·¯°¡ ¹ß°ßµÇÁö ¾ÊÀ» °æ¿ì ÀçºÎÆÃÇÑ´Ù.

           % lilo; sync; reboot

    2.3 PCA200E Ä«µåÀÇ Ä¿³Î ¸ðµâ ¼³Á¤

      (1) °¡Á®¿Â µð¹ÙÀ̽º µå¶óÀ̹ö¸¦ /usr/src¿¡ Ǭ ´ÙÀ½ firmwareÀΠpca200e.binÀ» ±×
           µð·ºÅ丮·Î ¿Å±ä´Ù.
           % tar xvzf pca_200e-0.2.tar.gz
           % mv pca200e.bin pca_200e
      (2) ¼³Ä¡µÈ Linux Ä¿³ÎÀÇ include Æнº¸¦ ¼³Á¤Çϱâ À§ÇØ MakefileÀ» ¼öÁ¤ÇÑ´Ù.
           % vi Makefile
           INCLUDEPATH¸¦ ¼öÁ¤ÇÏ¿© Ä¿³ÎÀÇ include°¡ ÂüÁ¶µÉ ¼ö ÀÖµµ·Ï ÇÑ´Ù.
      (3) ÄÄÆÄÀÏ ÇÑ °á°ú, Ä¿³Î ¸ðµâÀÎ pca200e.o¸¦ Ä¿³Î ¸ðµâ µð·ºÅ丮·Î º¹»çÇÑ´Ù.
           % make clean;make all
           % mv pca200e.o /lib/modules/2.0.29/net/
           Âü°í·Î Á¦°øµÈ MakefileÀÌ ÇöÀçÀÇ shell ¹öÀüÀÌ ¸ÂÁö ¾Ê¾Æ ¿¡·¯¸¦ ³»¹Ç·Î
           make clean;make all ¸í·É¾î¸¦ ¹Ýº¹ ½ÃÇà½ÃŲ´Ù.
      (4) Ä¿³Î ¸ðµâÀÌ µ¿ÀÛÇϱâ À§Çؼ­´Â ¸ðµâ ¸í·É¾î¸¦ »ç¿ëÇÏ¿© ½ÇÇàÇÑ´Ù.
           % insmod  pca200e

    2.4 ATM on Linux ÆÐÅ°Áö ¼³Ä¡[2]

      ÆÐÅ°Áö¿¡ µé¾îÀÖ´Â ÁÖ¿äÇÑ µð·ºÅ丮 ¹× ³»¿ë ¾Æ·¡¿Í °°´Ù.

        /usr/src/atm/sigd         ½Ã±×³¯¸µ µ¥¸ó
        /usr/src/atm/ilmid         ILMI ÁÖ¼Ò µî·Ï µ¥¸ó
        /usr/src/atm/arpd         ATM ARP ó¸® µ¥¸ó
        /usr/src/atm/aqp          »ç¿ëÀÚ QoS ¿äû IP over ATM  µ¥¸ó
        /usr/src/atm/saal          Signalling AAL ±â´É ó¸® ¶óÀ̺귯¸®(SSCOP, SSCF, SAAL)
        /usr/src/atm/qgen         Q.2931 ¸Þ½ÃÁö ó¸®
        /usr/src/atm/ip IP over   ATM
        /usr/src/atm/led            LANE µ¥¸ó
        /usr/src/atm/lane          LANE ¼­¹ö
        /usr/src/atm/debug       µð¹ö±ë µµ±¸
        /usr/src/atm/lib            ÀÀ¿ë ¹× µ¥¸ó¿¡ ÇÊ¿äÇÑ ¶óÀ̺귯¸®
        /usr/src/atm/maint        ATM °ü¸® ÇÁ·Î±×·¥
        /usr/src/atm/test           °¢Á¾ ½ÃÇè ÇÁ·Î±×·¥
        /usr/src/atm/doc          »ç¿ëÀÚ ¼³¸í¼­
        /usr/src/atm/man          ¸Å´º¾ó ÆäÀÌÁö
        /usr/src/atm/extra         ANS, tcpdump ÆÐÄ¡ ÆÄÀÏ µî

      (1) ¸ÕÀú atm µð·ºÅ丮¿¡ ÀÖ´Â UNI ¹öÀüÀ» ³ªÅ¸³»´Â º¯¼ö¸¦ º¯°æÇÑ´Ù. 
           default·Î UNI 3.0ÀÌ µÇ¾î ÀÖÀ¸¹Ç·Î UNI 3.1·Î º¯°æÇÑ´Ù.
           % vi Rules.make
           STANDARDS=UNI30À» UNI31·Î º¯°æÇÑ´Ù.
      (2) °¢Á¾ ¸í·É¾î¸¦ ¸¸µé±â À§ÇØ ÆÐÅ°Áö¸¦ ÄÄÆÄÀÏÇÏ°í ¼³Ä¡ÇÑ´Ù.
           % make depend; make ; make install
           ±× °á°ú ¸í·É¾î´Â /usr/local/sbin , ¸Å´º¾ó ÆäÀÌÁö´Â /usr/local/man ¿¡ ÀúÀåµÈ´Ù.
      (3) ¼³Ä¡µÈ ¸í·É¾î°¡ ½©¿¡¼­ ÀÎ½Ä °¡´ÉÇϵµ·Ï Çϱâ À§ÇØ PATH¿¡ /usr/local/sbin Æнº¸¦
           Ãß°¡ÇÑ´Ù. bash ½©À» »ç¿ëÇÏ´Â °æ¿ì¿¡´Â ~/.bash_profileÀ» ¼öÁ¤ÇÏ¸é µÈ´Ù.
      (4) ÆÐÅ°Áö°¡ Á¦´ë·Î µ¿ÀÛÇϱâ À§Çؼ­´Â ¸î °³ÀÇ ½ºÅ©¸³Æ® ÆÄÀÏÀÌ ÇÊ¿äÇѵ¥ À̸¦
           ¼³Ä¡Çϱâ À§ÇØ ´ÙÀ½ÀÇ ¸í·ÉÀ» ¼öÇàÇÑ´Ù.
           % cd config; make Redhat-4.0
           °á°ú·Î ¾Æ·¡ÀÇ ÆÄÀÏÀÌ Linux °ü¸®µð·ºÅ丮¿¡ °¢°¢ º¹»çµÈ´Ù.

        /etc/hosts.atm
        /etc/sysconfig/atm
        /etc/rc.d/init.d/atm
        /etc/atmsigd.conf
        /etc/sysconfig/network-scripts/ifcfg-atm0
        /etc/sysconfig/network-scripts/ifup-atm

      Âü°í·Î ½ÇÇàÁß¿¡ Æнº ¹× ¸ðµå°¡ Á¦´ë·Î ¼³Á¤µÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì°¡ ÀÖÀ¸¹Ç·Î chmod +x atm ½ÇÇàÇÏ°í, /etc/rc.d/init.d/functions ½ºÅ©¸³Æ® ÆÄÀÏ¿¡ PATH=$PATH:/usr/local/sbinÀ» Ãß°¡ÇÑ´Ù.

      (5)  atmÀ» ½ÇÇà½ÃÅ°°Å³ª ÁßÁö½ÃŲ´Ù. ATM µð¹ÙÀ̽º µå¶óÀ̹ö°¡ Ä¿³Î¸ðµâ·Î ¼³Á¤µÈ
           °æ¿ì¿¡´Â ¸ÕÀú Ä¿³Î ¸ðµâÀ» ±âµ¿½ÃÄÑ¾ß ÇÑ´Ù.
           % ./atm start or stop
           Âü°í·Î ½ÇÇà ÁßÁö¸¦ ¹Ýº¹ÇÒ °æ¿ì ifup-atm ½ºÅ©¸³Æ®¿¡¼­ atmÀÎÅÍÆäÀ̽º°¡ À̹Ì
           ¼³Á¤µÈ °æ¿ì atmarp -c $DEVICE ¸í·É¾î´Â ½ÇÆÐÇÏ¿© exitÇϹǷΠ¹«Á¶°Ç ´ÙÀ½ ¸í·É¾î
           ½ÇÇà°¡´ÉÇϵµ·Ï ÇÑ´Ù.

    2.5 ¼³Ä¡µÈ ¼ÒÇÁÆ®¿þ¾îÀÇ °ËÁõ

      ¼³Ä¡ÇÑ ÆÐÅ°ÁöµéÀÌ Á¤»óÀûÀ¸·Î ¼³Ä¡°¡ ¿Ï·áµÇ¾ú´ÂÁö¸¦ È®ÀÎÇÏ´Â ÀÛ¾÷ÀÌ ÇÊ¿äÇÏ´Ù. ÀÌ´Â µå¶óÀ̹öÀÇ ÀûÀç ¿©ºÎ, ½ºÅ©¸³Æ®ÀÇ ½ÇÇàÀ¸·Î ¾Ë ¼ö ÀÖ´Ù.

      (1) µå¶óÀ̹öÀÇ È®ÀÎ
           % dmesg  ¶Ç´Â % lsmod
           ÀüÀÚÀÇ °æ¿ì µå¶óÀ̹ö°¡ Ä¿³Î¿¡ Æ÷ÇÔµÈ °æ¿ì ATM Ä«µå¿¡ ÇØ´çÇÏ´Â ¸Þ½ÃÁö°¡ Ãâ·Â
           µÇ¾î¾ß Çϸç, ÈÄÀÚÀÇ °æ¿ì Ä¿³Î ¸ðµâÀÇ ÀûÀç ¿©ºÎ¸¦ È®ÀÎÇÒ ¼ö ÀÖ´Ù.
      (2) °¢Á¾ µ¥¸óÀÇ ½ÇÇà È®ÀÎ
           % ps -a
           ½ºÅ©¸³Æ®ÀÇ ½ÇÇàÀ¸·Î ½Ã±×³Î¸µ µ¥¸ó, ilmi µ¥¸ó, ATMARP µ¥¸ó µîÀ» ½ÇÇàÇϴµ¥,
           ÀÌ ¸í·ÉÀ¸·Î ÇÁ·Î¼¼¼­ÀÇ Á¸Àç¿©ºÎ¸¦ È®ÀÎÇÒ ¼ö ÀÖ´Ù.
      (3) ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º¿Í ¶ó¿ìÆà µ¥À̺íÀÇ È®ÀÎ
           % ifconfig; route
      (4) /proc/atm ÆÄÀÏÀÇ È®ÀÎ
           % cat /proc/atm/devices
           ATM Ä«µå¿¡ ´ëÇÑ Á¤º¸¸¦ È®ÀÎÇÒ ¼ö ÀÖÀ¸¸ç, ÀÌ ¿Ü¿¡µµ ATM ÆÐÅ°Áö¿Í °ü·ÃµÈ
           Æ¯¼ö ÆÄÀÏÀÎ arequipa, arp, , lec, pvc, svc°¡ ÀÖÀ¸¸ç, À̴ »ç¿ë ±â´É¿¡ µû¶ó
           ½ÇÇà ½ÃÀÇ Á¤º¸¸¦ ±â·Ï ÇÏ°í ÀÖ´Ù.

 

3. ±¸¼º

    3.1 Classical IP over ATM[2]

      Classical IP over ATMÀº CIP ȤÀº IPOA¶ó ºÎ¸£´Âµ¥, Ethernet, LAN, Àü¿ë¼±, X.25, FR, ATM µî ´Ù¾çÇÑ ¸µÅ© ³×Æ®¿öÅ©¿¡ IP(Internet Protocol)¸¦ »ç¿ëÇϱâ À§ÇÑ ¹æ¹ýÀÌ´Ù. IP´Â ºñ¿¬°á ÆÐŶÀ» »ç¿ëÇÏ´Â ¹Ý¸é ATMÀº ¿¬°áÁöÇâ ¼¿À» »ç¿ëÇÏ°í, IP´Â ¹æ¼Û LAN ±â¹ÝÇÏÀÇ ¸Á¿¡ »ç¿ëÇÏ´Â ¹Ý¸é ATMÀº Á¡´ëÁ¡ ¿¬°á ¹æ½ÄÀ» »ç¿ëÇϹǷΠIP¿Í ATMÀº ±Ùº»ÀûÀ¸·Î Â÷ÀÌ°¡ ÀÖ´Ù. ÀÌ·¯ÇÑ ±Ùº»ÀûÀÎ Â÷ÀÌÁ¡ ¶§¹®¿¡ Å©±â°¡ ´Ù¸¥ ÇÁ·¹ÀÓ ¿¬°á ¹®Á¦¸¦ ÇØ°áÇÏ´Â ¹æ¹ýÀ¸·Î ATM ¼¿¿¡ IP ÆÐŶÀ» encapsulationÇϵµ·Ï AAL5¸¦ »ç¿ëÇÏ°í, ´Ù¼öÀÇ ³×Æ®¿öÅ© °èÃþ ÇÁ·ÎÅäÄÝÀÌ °°Àº ATM VC¿¡ »ç¿ëµÉ ¶§ ÆÐŶÀ» ½Äº°Çϱâ À§Çؼ­ LLC/SNAP encapsulationÀ» »ç¿ëÇÑ´Ù.

      Classical IPOA´Â ´ÙÀ½°ú °°Àº Ư¡ÀÌ ÀÖ´Ù.
      1) IP´Â Ethernet, FR µî ´Ù¾çÇÑ ¸µÅ© °èÃþ ±â¼ú¿¡ Àû¿ë ¿î¿ëµÈ´Ù.
      2) ºÐ¸®µÈ ÁÖ¼Ò°ø°£°ú ¶ó¿ìÆà ÇÁ·ÎÅäÄÝÀ» »ç¿ëÇϹǷΠIP ¶ó¿ìÅÍ¿Í ATM ½ºÀ§Ä¡ÀÇ ºÐ¸®
          »ç¿ëÀÌ °¡´ÉÇÏ´Ù. ¶ÇÇÑ, ÁÖ¼Ò °ø°£ÀÌ ´Ù¸£¹Ç·Î ARP¿Í À¯»çÇÑ ÁÖ¼Ò ÇØ°á ¸ÞÄ¿´ÏÁòÀÌ
          ÇÊ¿äÇϸç, ATM ½ºÀ§Ä¡¿Í ÇÁ·ÎÅäÄÝ º¯°æÀÌ ÇÊ¿ä ¾ø´Ù. ¶ó¿ìÆà ÇÁ·ÎÅäÄÝÀº ATMÀº
          PNNI µîÀ» »ç¿ëÇÏ°í IP ´Â OSPF, BGP µîÀ» »ç¿ëÇÑ´Ù
      3) ¿ø·¡ ¸µÅ© °èÃþÀº ¼­ºê³ÝÀ» °¡Áö¹Ç·Î IPOA¿¡¼­´Â LIS(Logical IP Subnet)¶ó ÇÏ°í,
          °°Àº LIS³»¿¡¼­ IP½ºÅ×À̼ÇÀº Á÷Á¢ SVC ¶Ç´Â PVC·Î Åë½Å°¡´ÉÇÏ°í, ´Ù¸¥ LIS°£
          Åë½ÅÀº ¶ó¿ìÅ͸¦ ÅëÇØ ÀÌ·ç¾îÁø´Ù. ¿©±â¼­, ´Ù¼öÀÇLIS¸¦ »ç¿ëÇÏ´Â ÀÌÀ¯´Â °ü¸® ¿ä±¸
          »çÇ×ÀÇ Ãø¸é¿¡¼­ º¸¾È ÇÊÅ͸µ, È£½ºÆ®°¡ Áö¿øÇØ¾ß ÇÒ µ¿½Ã VC ¼öÀÇ °¨¼Ò, ³×Æ®¿öÅ©
          ¼­¹ö¿¡ ´ëÇÑ ºÎÇÏ °¨¼Ò¸¦ ¸ñÀûÀ¸·Î ÇÑ´Ù.

      µÎ IP ½ºÅ×À̼ÇÀÌ ATM¸ÁÀ» ÅëÇØ Åë½ÅÇϱâ À§Çؼ­´Â IP¿Í ATM ÁÖ¼Ò¸¦ ¸ÅÇÎÇÒ ÇÊ¿ä°¡ ÀÖÀ¸¸ç ÀÌ·¯ÇÑ ÁÖ¼Ò ÇØ°áÀ» À§ÇØ ATMARP ÇÁ·ÎÅäÄÝ[4]À» »ç¿ëÇÑ´Ù. ±× µ¿ÀÛÀº È£½ºÆ®°¡ »ì¸é ATM°ú IP ÁÖ¼Ò¸¦ ATMARP ¼­¹ö¿¡ µî·ÏÇÏ°í ÁÖ¼Ò º¯È¯ ¼­ºñ½º¸¦ ¼öÇàÇÑ´Ù. IPOAÀÇ ´ÜÁ¡Àº LIS°¡ ´Ù¸¥ °æ¿ì °°Àº ¹°¸® °èÃþÀ» »ç¿ëÇÔ¿¡µµ ºÒ±¸ÇÏ°í, ´Ù¸¥ VC¸¦ »ç¿ëÇÏ¿© ¶ó¿ìÅ͸¦ ÅëÇØ Åë½ÅÇØ¾ß ÇϹǷΠ¿ø·¡ÀÇQoS(Quality of Service)¸¦ »ó½ÇÇÏ°Ô µÈ´Ù´Â °ÍÀÌ´Ù.

      IPOA¸¦ ½ÇÇà½ÃÅ°±â À§ÇØ /etc/rc.d/init.d/atm ½ºÅ©¸³Æ®·Î ½ÃÀÛ ½ÃÅ°°Ô µÇ¸é /etc/sysconfig/atm ȯ°æ ÆÄÀÏ Áß IPATM, LANE º¯¼ö¸¦ ÂüÁ¶ÇÏ¿© °ü·Ã ÇÁ·Î±×·¥À» ½ÇÇà ½ÃŲ´Ù. IP over ATMÀÎ °æ¿ì ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º »ý¼ºÇÏ°í Á¤º¸ ÀúÀåÇÏ´Â /etc/sysconfig/network-script/ifup-atm ½ºÅ©¸³Æ®¸¦ È£ÃâÇÑ´Ù. ÀÌ ½ºÅ©¸³Æ®´Â /etc/sysconfig/network-script/ifcfg-atm0ÆÄÀÏ¿¡ Àִ ȯ°æ º¯¼ö¸¦ Âü°íÇÏ¿© ¼³Á¤ÇÑ´Ù. (Ç¥3)Àº µÎ ´Ü¸» ½Ã½ºÅÛ°£¿¡ IPOA¸¦ ¼³Á¤ÇÏ´Â ¸í·É¾î¿Í ȯ°æ º¯¼ö¸¦ ³ªÅ¸³½ °ÍÀÌ´Ù. ¿©±â¼­ kim-e°ú jaykim-eÀº IP ÁÖ¼ÒÀÌ°í, kim-a¿Í jaykim-a´Â ATM ÁÖ¼Ò¸¦ ¸»ÇÏ¸ç °¢°¢ /etc/hosts¿Í /etc/hosts.atm ÆÄÀÏ¿¡ ±â·ÏµÇ¾î ÀÖ´Ù.

       

¸í·É¾î

jaykim-e

Kim-e

1. IPOA ½ÇÇà

IPATM =yes

IPATM =yes

2. IP ÁÖ¼Ò ¼³Á¤
   (ifcfg-atm0)

DEVICE=atm0
IPADDR=129.253.91.53
NETMASK=255.255.255.0
NETWORK=129.253.91.0
BROADCAST=129.253.91.255

DEVICE=atm0
IPADDR=129.253.91.53
NETMASK=255.255.255.0
NETWORK=129.253.91.0
BROADCAST=129.253.91.255

3. back-to-back
(init.d/atm)

³×Æ®¿öÅ©¿Í ´Ü¸»À» ±¸º°Çϱâ À§ÇØ ½Ã±×³¯¸µ µ¥¸ó(atmsigd)¿¡ ³×Æ®¿öÅ©ÃøÀ» ³ªÅ¸³»´Â -N ¿É¼ÇÀ» Ãß°¡ÇÑ´Ù.

4. PVCÀÇ ARP
   Å×ÀÌºí ¼³Á¤

atmarp -s kim-e 0.51

atmarp -s jaykim-e 0.52

5. ½ºÀ§Ä¡ÀÇ
    PVC ¼³Á¤

*FOREÀÎ °æ¿ì
  Configuration vcc> new  1B1  0  51  1B2  0  52
  Configuration vcc> new  1B2  0  52  1B1  0  51
*VirataÀÎ °æ¿ì
 > pvccreate d1 51 d2 52
*Back-to-BackÀÎ °æ¿ì ¾çÂÊ VPI/VCI´Â µ¿ÀÏÇØ¾ß ÇÑ´Ù.

6. SVCÀÇ
    ARPÅ×ÀÌºí     ¼³Á¤

atmarp -s kim-e kim-a

atmarp -s jaykim-e jaykim-a

       

      (Ç¥ 3) IPOA ±¸¼º ¹æ¹ý

      IPOA´Â ATMARP ¼­¹ö°¡ ÀÖ´Â °æ¿ì¿Í ¾ø´Â °æ¿ì, ¿¬°á ¼³Á¤À» PVC·Î ÇÏ´Â °æ¿ì¿Í SVC·Î ÇÏ´Â °æ¿ì ¹× µÎ ´Ü¸»°£¿¡ ATM ½ºÀ§Ä¡°¡ ÀÖ´Â °æ¿ì¿Í ¾ø´Â °æ¿ì·Î ³ª´­ ¼ö ÀÖÀ¸¸ç, ÀÌ Á¶ÇÕ¿¡ µû¶ó ¼³Á¤ ¹æ¹ýÀÌ »óÀÌ ÇÏ´Ù.

      °¡.  ½ºÀ§Ä¡°¡ ¾ø´Â °æ¿ì

      ½ºÀ§Ä¡°¡ ¾øÀ̵µ IPOA¸¦ ½ÃÇèÇÒ ¼ö Àִµ¥ À̸¦ back-to-back ¿¬°áÀ̶ó ÇÑ´Ù. Back-to-back¿¬°áÀÎ °æ¿ì ³×Æ®¿öÅ©¿Í ´Ü¸»ÀÌ ±¸º°µÇ¾î¾ß ÇϹǷΠÇÑÂÊÀ» ³×Æ®¿öÅ©ÃøÀ¸·Î ´Ù¸¥ ÇÑÂÊÀ» ´Ü¸»ÃøÀ¸·Î ÁöÁ¤ÇØ ÁÖ¾î¾ß ÇÏ°í, ¼ö½Å´Ü°ú ¼Û½Å´ÜÀ» ¼­·Î ±³Â÷ÇÏ¿© Á¢¼Ó °¡´ÉÇÏ´Ù. ¿¬°á ¼³Á¤ ½Ã ¿¬°áÀ» °ü¸®ÀÚ¸¦ ÅëÇØ Çϸé PVC ¶óÇÏ°í Á¦¾î ½Ã±×³Î¸µÀ» ÅëÇØ Çϸé SVC¶ó Çϴµ¥ back-to-back ¿¬°áÀÇ °æ¿ìµµ µÑ´Ù °¡´ÉÇϳª ÁÖÀÇÇÒ °ÍÀº ¼­·Î°¡ Á¤º¸¸¦ ¾Ë°í ÀÖ¾î¾ß ÇϹǷÎ, PVCÀÇ °æ¿ì VPI(Virtual Path Identifier)¿Í VCI(Virtual Circuit Identifier)°¡ µ¿ÀÏÇÏ¿©¾ß ÇÏ°í, SVCÀÎ °æ¿ì ATMÁÖ¼Ò°¡ ¹Ì¸® ¾Ë·ÁÁ® ÀÖ¾î¾ß ÇÑ´Ù.

      ³ª. ATMARP¼­¹ö¸¦ ¼³Á¤ÇÏ´Â °æ¿ì

      ATMARP ¼­¹ö¸¦ ´Ü¸»¿¡ ¼³Ä¡ÇÏ°íÀÚ ÇÏ´Â °æ¿ì¿¡ IP  ÁÖ¼Ò ¼³Á¤½Ã ifcfg-atm0 ȯ°æ ¼³Á¤ÆÄÀÏ Áß ¡°ARPSRV=¡±  º¯¼ö¸¦ ¼³Á¤ÇÔÀ¸·Î½á °¡´ÉÇÏ´Ù. º¯¼öÀÇ °ªÀ¸·Î´Â ATM ÁÖ¼Ò È¤Àº °ø¹éÀÌ µé¾î°¡´Âµ¥ °ø¹éÀÎ °æ¿ì ÀÚ½ÅÀÌ ATM ¼­¹öÀÓÀ» ³ªÅ¸³»°í, ATM ÁÖ¼Ò°¡ µé¾î°¡´Â °æ¿ì´Â ÀÌ ÁÖ¼Ò°¡ ATMARP ¼­¹öÀÇ ÁÖ¼ÒÀÌ´Ù.

      ´Ù.  ½ºÀ§Ä¡°¡ ÀÖ´Â °æ¿ì

      SVC¸¦ »ç¿ëÇÒ ¶§ È£½ºÆ®´Â ATM ½ºÀ§Ä¡¿¡ ¿¬°áµÈ ´Ù¸¥ È£½ºÆ®¿Í ¿¬°á ¼³Á¤À» ÇÏ°í ½Í´Ù´Â Á¤º¸¸¦ º¸³»¾ß Çϴµ¥ ÀÌ·¯ÇÑ Á¤º¸ ¹× ÀýÂ÷¸¦ ½Ã±×³Î¸µÀ̶ó ÇÑ´Ù. ATM Forum¿¡¼­´Â È£½ºÆ®¿Í ½ºÀ§Ä¡°£¿¡ UNI(User Network Interface) ½Ã±×³Î¸µÀÌ Ç¥ÁØÀ» Á¦°øÇÏ°í ÀÖÀ¸¸ç ¹öÀü 3.0, 3.1 ¹× 4.0ÀÌ ÀÖÀ¸³ª, ¹öÀü 3.1ÀÌ ÇöÀç ³Î¸® »ç¿ëµÇ°í ÀÖ´Â ½Ã±×³Î¸µÀÌ´Ù.  ¿ì¸®°¡ º¸À¯ÁßÀÎ FORE ½ºÀ§Ä¡¿Í Virara ½ºÀ§Ä¡ ¹× Linux-ATM ÆÐÅ°Áö´Â UNI 3.0 ¹öÀüÀ» Áö¿øÇϳª, ¿ì¸®°¡ Á¤ÇÕÇÏ°íÀÚ ÇÏ´Â HANbit ACE64 ±³È¯±â´Â UNI 3.1 ¹öÀü¸¸À» Áö¿øÀ̹ǷΠUNI 3.1À¸·Î ¼³Á¤ÇÏ¿©¾ß ÇÑ´Ù.

      FORE ½ºÀ§Ä¡ÀÇ °æ¿ì UNI 3.0°ú UNI 3.1À» ÀÚµ¿ ÀνÄ(UNI 3.x ¹öÀüÀ̶ó ºÎ¸§)ÇÏ¿© ó¸®ÇϹǷΠUNI 3.1 ¹× UNI 3.x·Î ¼³Á¤ÀÌ °¡´ÉÇÏ¿©¾ß ÇÑ´Ù. ½Ã±×³Î¸µ º¯°æÀº atm µð·ºÅ丮ÀÇ Rules.makeÀÇ STANDARDS º¯¼ö¸¦ º¯°æÇÑ´Ù. UNI 3.1ÀÇ °æ¿ì´Â ¡°STANDARDS=-DUNI31 ¡°·Î, UNI 3.xÀÇ °æ¿ì¡±STANDARDS=-DUNI31 -DALLOW_UNI30¡± À¸·Î ¼³Á¤ÇÏ¿© ÄÄÆÄÀÏÇÏ¸é µÈ´Ù.

      PVCÀÇ °æ¿ì´Â SVC¼³Á¤¿¡ ºñÇØ ´Ü¸»°ú ½ºÀ§Ä¡¿¡ ¸í·É¾î·Î ¼³Á¤ÇÏ¿©¾ß ÇÑ´Ù. ¸ÕÀú È£½ºÆ® Ãø¿¡¼­´Â ATMARP ¼­¹ö¿¡ Åë½ÅÇÏ°íÀÚ ÇÏ´Â »ó´ë¹æ IPÁÖ¼Ò¿Í ±×¿¡ ÇØ´çÇÏ´Â VPI(Virtual Path Identifier)¿Í VCI(Virtual Channel Identifier)¸¦ ÀÔ·ÂÇØ¾ß ÇÏ¸ç ±× Çü½ÄÀº ´ÙÀ½°ú °°´Ù.

        % atmarp -s ip_addr [itf.]vpi.vci [qos qos] [temp] [pub]

      ½ºÀ§Ä¡ÂÊ¿¡¼­µµ ÀԷ°ú Ãâ·Â VPI¿Í VCI¸¦ »óÈ£ ¿¬°áÇØ¾ß Çϴµ¥ FORE ½ºÀ§Ä¡ÀÇ °æ¿ì ´ÙÀ½°ú °°´Ù.

        conf  vcc new <iport> <ivpi> <ivci> <oport> <ovpi> <ovci> [-upc <index>] [-name <name>]

      ¿©±â¼­ iport, oport´Â È£½ºÆ®°¡ ¿¬°áµÇ¾î ÀÖ´Â ÀÔ·Â ¹× Ãâ·Â Æ÷Æ® ¹øÈ£¸¦ ÀǹÌÇϸç, <ivpi>¿Í <ivci>´Â °¢°¢ ÀÔ·Â ¹× Ãâ·Â È£½ºÆ®¿¡¼­ ÁöÁ¤ÇÑ VCI, VPI °ªÀÌ´Ù.

      ATM ÆÐÅ°Áö°¡ ARPSRV·Î µ¿ÀÛÇÏ´Â °æ¿ì atm-0.31ÀÇ ¿À·ù·Î ¼­¹ö°¡ ¾Æ´Ñ ´Ü¸»°£¿¡ ATM ÁÖ¼Ò°¡ ÇØ°áµÇÁö ¾Ê¾Æ Åë½ÅÀÌ ¾È µÇ´Â °æ¿ì¸¦ Á¦¿ÜÇÏ°í, IPOA Ŭ¶ó¾ðÆ® ¹× ¼­¹ö ±â´ÉÀ» Àß ÇØÁÖ°í ÀÖÀ½ÀÌ È®ÀεǾú´Ù.

      ¶ó. HANbit ACE 64¿ÍÀÇ ¿¬°á

      ACE±³È¯±â¿Í ¿¬°áÇϱâ À§Çؼ­´Â Æ÷Æ®¿¡ ´ëÇÑ ATMÁÖ¼Ò¸¦ µî·ÏÇÏ´Â ilmi ±â´ÉÀÌ ÇÊ¿äÇÏ´Ù. ilmiÀÇ ÁÖ¼Ò ÀÚµ¿ µî·Ï ±â´ÉÀº ±³È¯±â´Â ³×Æ®¿öÅ© ÇÁ¸®ÇȽº¸¦ ¹Þ°í ´Ü¸» ÀÎ½Ä ¹øÈ£(ESI-End System Identifier)¸¦ Á־ ¿ÏÀüÇÑ ATM ÁÖ¼Ò¸¦ ÀνÄÇÏ´Â ±â´ÉÀ» ÇÑ´Ù.

      ±×·¯³ª. ACE ±³È¯±â´Â ILMI ÁÖ¼Ò ÀÚµ¿ µî·Ï ±â´É°ú ´ëºÎºÐÀÇ »ç¼³ ATM ±³È¯±â°¡ Á¦°øÇØ ÁÖ´Â AESA NSAP ATM ÁÖ¼Ò¸¦ ±¸Çö Áß¿¡ ÀÖÀ¸¹Ç·Î, ATM ÁÖ¼Ò´Â ¿î¿ë½Ã½ºÅÛÀÇ ¸í·ÉÀ» ÅëÇØ ¼³Á¤ÇÏ°í, ATM ÁÖ¼Ò´Â native E.164ÁÖ¼Ò³ª  Embedded E.164 ÁÖ¼Ò¸¦ »ç¿ëÇÏ¿© ¼³Á¤ÇÑ´Ù. Âü°í·Î atm-0.31 ÆÐÅ°Áö¿¡¼­´Â ÀÌ·¯ÇÑ ÁÖ¼Òü°è°¡ ¹ö±×°¡ ÀÖ´Â »óÅÂÀ̹ǷΠ°³¹ßÀÚ Ä¿³Î¿¡¼­ atm-0.38À» ÀÌ¿ëÇÏ¿©¾ß ÇÑ´Ù.

      ÁÖ¼Ò ÀÚµ¿ µî·Ï ±â´ÉÀÌ Á¦°øµÇÁö ¾Ê´õ¶óµµ ½ÃÇèÇÏ´Â ¹æ¹ýÀº /etc/hosts.atm ÆÄÀÏ¿¡ E.164 ÁÖ¼Ò¿¡ ´ëÇÑ À̸§À» ¼³Á¤ÇÏ°í atm ½ÇÇà ÆÄÀÏ¿¡ ilmidÀ» ½ÇÇàÇÏ´Â ´ë½Å ¡°atmaddr -a¡± ¸í·É¾î¸¦ »ç¿ëÇÏ¿© ¼öµ¿À¸·Î ¼³Á¤ÇÑ´Ù. ¶ÇÇÑ ACE ±³È¯±âÀÇ °¡ÀÔÀÚ Æ÷Æ®¿¡ ´ëÇÑ E.164 ÁÖ¼Ò¸¦ ¼öµ¿À¸·Î ºÎ¿©ÇÑ´Ù. ACE ±³È¯±â¿¡¼­ ¼öµ¿ ¼³Á¤ ÀýÂ÷´Â ´ÙÀ½°ú °°´Ù.

      (1) B-ISDN ÁÖ¼Ò¸¦ ºÎ¿©Çϱ⿡ ¾Õ¼­ ³×Æ®¿öÅ© ½Äº° ÄÚµå, ±¹°¡ ÄÚµå, Æ®··Å© ÄÚµå,
           Official Äڵ带 Ãß°¡ ½ÃŲ´Ù.

           > ADD-NID:555,SELF,1,;
           > ADD-CC:82,KOREA,DOMESTIC,,8,15,;
           > ADD-TC:142,INTERNAL_TC,,8,15,;
           > ADD-OFC:,860,INTERNAL,,7,12;

      (2) È£½ºÆ®°¡ ¹°·ÁÀÖ´Â ALS(ATM Local Switch)ÀÇ IM(Interface Module : °¡ÀÔÀÚ Æ÷Æ®·Î
           2°³°¡ Áö¿ø µÈ´Ù)À» È®ÀÎÇÏ¿© B-ISDN ¹øÈ£¸¦ ºÎ¿©ÇÑ´Ù. À̴ ȣ½ºÆ®¿¡¼­ ºÎ¿©ÇÑ
           ATM¹øÈ£¿Í ÀÏÄ¡ÇÏ¿©¾ß ÇÑ´Ù.

           > CRTE-BSN:,8609991,0,0,0,UNI31,,,,,;
           > CRTE-BSN:,8609992,0,1,0,UNI31,,,,,;

      (3) ACE ±³È¯±â°¡ »ç¿ëÇÏ°í ÀÖ´Â ±¤ÄÉÀÌºí ¸ðµå´Â SM(Single Mode) ÄÉÀ̺íÀ̹ǷÎ
           MM(Multi-Mode) ÄÉÀ̺íÀ» Áö¿øÇÏ´Â Ä«µå¿Í Á¢¼ÓÇϱâ À§Çؼ­´Â °¨¼â±â(10dB)¸¦
           »ç¿ëÇÏ¿© ¸ðµå¸¦ º¯°æ½ÃŲ´Ù.

      (4) ¼³Á¤ÀÌ ¿Ï·áµÈ ÈÄ ping, telnet µî IP ÀÀ¿ë ÇÁ·Î±×·¥À» »ç¿ëÇÏ¿© ½ÃÇèÀ» ÇÑ´Ù.
           ÀÌ·¯ÇÑ °£´ÜÇÑ ÀÀ¿ë ÇÁ·Î±×·¥ÀÌ ½ÇÇàµÇ¸é, ttcp_atm, netperf µîÀÇ ATM ¼º´É ÃøÁ¤
           ÇÁ·Î±×·¥À» »ç¿ëÇÏ¿© ¼Óµµ¸¦ ÃøÁ¤ÇÏ¿© º¸´Â °Íµµ ÁÁÀº ¹æ¹ýÀÌ´Ù.

      º¸´Ù ÀÚ¼¼ÇÑ µð¹ö±ë ±â¹ýÀ¸·Î´Â µ¥¸ó ÇÁ·Î¼¼½ºÀÇ »óŸ¦ Ãâ·ÂÇÏ¿© º¸°Å³ª, ½Ã±×³Î ÀÔÃâ·ÂÀ» Á¶»çÇÏ¿© µð¹ö±ë ÇÑ´Ù. ±³È¯±â Ãø¿¡¼­´Â ¿î¿ë ½Ã½ºÅÛ¿¡ ³ªÅ¸³ª´Â ¸Þ½ÃÁö¸¦ º¸°Å³ª ȤÀº ½ÅÈ£¸¦ ó¸®ÇÏ´Â ÇÁ·Î¼¼¼­(CCCP)ÀÇ Ãâ·Â ¸Þ½ÃÁö¸¦ º¸°í »óŸ¦ È®ÀÎÇÒ ¼ö ÀÖ´Ù.

      À§¿Í °°ÀÌ ¼³Á¤ ¼³Á¤ÇÏ¿© ½ÃÇèÇÑ °á°ú ACE±³È¯±â¿Í ´Ü¸»°£ ¸µÅ©ÀÇ SAAL (Signaling AAL)ÀÌ »ìÁö ¾Ê´Â »óȲ±îÁö È®ÀÎÇÏ¿´´Ù. °Ô¼ÓµÇ´Â µð¹ö±ëÀÌ ÀÖÀ» ¿¹Á¤ÀÌ´Ù.

    3.2 LAN Emulation[3]

      ATMÀÌ ¹Ì·¡ÀÇ ±¤´ë¿ª ¸ÖƼ¹Ìµð¾î ¼­ºñ½º¿¡´Â cost-effectiveÇÑ ±â¼úÀÌÁö¸¸, ±âÁ¸ÀÇ LANÀÀ¿ë ÇÁ·Î±×·¥ÀÌ ÀÚ¿¬½º·´°Ô ATM»ó¿¡¼­ ½ÇÇàµÇ±â À§Çؼ­´Â ±âÁ¸ LAN°ú ÀûÀýÇÑ ÀÎÅÍ¿öÅ·ÀÌ Á¦°øµÇ¾î¾ß ÇÑ´Ù. ±× ¹æ¹ýÀ¸·Î ATMÀÌ ±âÁ¸ LAN¿¡ ¿¬°áµÈ °Íó·³ ³×Æ®¿öÅ© °èÃþ ÇÁ·ÎÅäÄÝÀ» Àû¿ëÇÏ¿© ±âÁ¸ LAN ¼­ºñ½º¸¦ ¿¡¹Ä·¹ÀÌÆ®Çϵµ·Ï ATM ÇÁ·ÎÅäÄÝÀ» Á¦°øÇÏ´Â °ÍÀÌ´Ù. Áï ±âÁ¸ LAN ±â¼úÀÇ MAC ¼­ºñ½º¸¦ ¿¡¹Ä·¹ÀÌÆ®ÇÏ¿© »óÀ§ °èÃþ ÇÁ·ÎÅäÄÝÀº ¼öÁ¤ ¾øÀÌ »ç¿ë °¡´ÉÇϵµ·Ï ÇÏ´Â ¹æ¹ýÀÌ´Ù. ±¸ÇöÀº ATM-to-Legacy LAN ºê¸®Áö¿Í ATM ´Ü¸»ÀÇ ³×Æ®¿öÅ© °èÃþ ¾Æ·¡ÀÇ µð¹ÙÀ̽º µå¶óÀ̹ö¿¡¼­ ±¸ÇöµÈ´Ù. Áï IPÀÇ °æ¿ì NDIS(Network Driver Interface Specification), IPX ÀÇ °æ¿ì ODI(Open Datalink Interface)¿¡ ¹Ø¿¡ ±¸ÇöµÈ´Ù. (±×¸² 1)Àº LANEÀÇ ÇÁ·ÎÅäÄÝ °èÃþÀ» ³ªÅ¸³½ °ÍÀÌ´Ù.

      LANE ¼­ºñ½ºÀÇ ±âº» ±â´ÉÀº ATM »ó¿¡¼­ ºñ¿¬°á ¼­ºñ½º Á¦°øÀ̸ç, °øÀ¯ ¹Ìµð¾î¸¦ »ç¿ëÇÏ´Â LAN°ú´Â ´Þ¸® µ¥ÀÌÅ͸¦ Àü´ÞÇϱâ À§Çؼ­´Â ¸ñÀûÁö¿ÍÀÇ ¿¬°á ¼³Á¤ÀÌ ½Ã±×³Î¸µ ÇÁ·ÎÅäÄÝÀ» ÅëÇØ ÀÌ·ç¾î Á®¾ß ÇÑ´Ù. ¿©±â¼­ Áß¿äÇÑ ¹®Á¦´Â ¿¬°áµÉ ¸µÅ©ÀÇ ´ë¿ªÆø °ü¸®¸¦ ¾î¶»°Ô ÇÒ °ÍÀΰ¡ Àε¥, IP´Â BE(best effort) ¼­ºñ½º¸¦ ÇϹǷΠÀÌ¿¡ »óÀÀÇÏ´Â ATM ABR(Available Bit rate) ¼­ºñ½º¸¦ Á¦°øÇÑ´Ù. ÀÌ´Â LAN »Ó ¾Æ´Ï¶ó ÆøÁÖ µ¥ÀÌÅÍ Æ®·¡ÇÈ Æ¯¼ºÀ» °®´Â ÀÀ¿ë¿¡ ÀûÇÕÇÏ´Ù. ±×·¯³ª, LANEÀº ±âÁ¸ LAN°£¿¡ translational ºê¸®Â¡À» Á¦°øÇÏÁö ¾ÊÀ¸¸ç, ¸ðµç MAC °èÃþ ±â´ÉÀ» ¼öÇàÇÏÁö ¾Ê´Â´Ù. ¿¹¸¦ µé¸é, Ãæµ¹ °¨Áö¿Í °°Àº MAC ±â´ÉÀ» ¼öÇàÇÏÁö ¾Ê´Â´Ù.

       

      (±×¸²) LANEÀÇ ÇÁ·ÎÅäÄÝ °èÃþ

      LANE ±¸Á¶´Â ATM ´Ü¸»¿¡ À§Ä¡ÇÏ¿© LAN ½Ã½ºÅÛ¿¡ ´ëÇÑ proxy·Î¼­ ¼­ºñ½º¸¦ Á¦°øÇÏ´Â LEC, ÁÖ¼Ò ÇØ°á ÇÁ·ÎÅäÄÝ(LE-ARP) ±â´ÉÀ» Á¦°øÇÏ´Â LES ¹× ¸ðµç LEC¿¡ ¸ÖƼij½ºÆ® Æ®·¡ÇÈÀ» Àü´Þ(forward)Çϱâ À§ÇÑ BUS(Broadcast/Unkno-
      wn Server)·Î µÇ¾î ÀÖ´Ù.

      ¸Þ½ÃÁö Àü´Þ µ¿ÀÛÀº ¸ÕÀú,  LECÀº ¸ñÀûÁö MAC ÁÖ¼Ò¿Í data direct VC°£ ¸ÅÇÎÀ» À§ÇØ ¡°address resolution table¡±À» °ü¸®ÇÑ´Ù. »óÀ§ °èÃþÀ¸·ÎºÎÅÍ µ¥ÀÌÅ͸¦ ¹ÞÀ¸¸é ¸ÕÀú data direct VC»ó¿¡ ¸ñÀûÁö LECÀ¸·Î ¸Þ½ÃÁö¸¦ º¸³½´Ù. ´ÙÀ½À¸·Î, ¸ñÀûÁö MACÀÌ Å×ÀÌºí¿¡ ¾øÀ¸¸é ¼Ò½º LECÀº ¸ñÀûÁö LECÀÇ ATM ÁÖ¼Ò¸¦ ¾ò±â À§ÇØ LES(LANE Server)·Î LE-ARP ¿äûÀ» ÇÑ´Ù. ±×·± ´ÙÀ½, ¸ñÀûÁö LEC ATM ÁÖ¼Ò¸¦ ¹ÞÀ¸¸é LECÀº Å×À̺íÀ» °»½ÅÇÏ°í ±× ÁÖ¼Ò·Î data direct VC¸¦ ¼³Á¤ÇÑ´Ù. ¶ÇÇÑ µ¿½Ã¿¡ ÇØ°áÀÌ ¾ÈµÈ ¸ñÀûÁö MAC ÁÖ¼Ò¸¦ BUS·Î º¸³»°í BUS´Â ±× ¸Þ½ÃÁö¸¦ ¸ðµç LEC¿¡ ¹æ¼ÛÇÑ´Ù.  Multicast MAC ÁÖ¼Ò´Â BUS·Î ¸¸ Àü¼ÛµÈ´Ù.[5]

      ATM on LinuxÀÇ LANEÀº LECS(LANE Configuration Server), LES, BUS, LEC ±â´ÉÀ» Á¦°øÇÏ°í ÀÖÀ¸¸ç, LECSÀÇ ¼³Á¤ ÆÄÀÏÀº ÇöÀç µð·ºÅ丮ÀÇ .lecs_conf, LES ¹× BUS´Â ÇöÀç µð·ºÅ丮ÀÇ .lanvars ÆÄÀÏÀ» Âü°íÇÏ¿© ¼³Á¤ÇÑ´Ù. IPOA¿Í ¸¶Âù°¡Áö·Î /etc/sysconfig/atm ȯ°æ º¯¼ö¸¦ ÂüÁ¶ÇÏ¿© ½ÃÀÛÇϸç, LANE ÀÎÅÍÆäÀ̽º¸¦ ¼³Á¤Çϱâ À§ÇÑ È¯°æº¯¼ö ÆÄÀÏÀÎ /etc/sysconfig/network-script/ifcfg-lec0¸¦ Âü°íÇÏ´Â ifup-lec0 ÆÄÀÏÀ» È£Ãâ ÇÑ´Ù. ¶ÇÇÑ atm ½ºÅ©¸³Æ®¿¡¼­ atm ȯ°æ º¯¼ö¸¦ Âü°íÇÏ¿© LECS, LES, BUS, LECÀÇ µ¿ÀÛ¿¡ ÇÊ¿äÇÑ ¸í·É¾î¸¦ ½ÃÇà½ÃÅ°´Ù.

      LECS ȯ°æ ÆÄÀÏ(.lecs_conf)Àº LECS°¡ µ¿ÀÛÇϴµ¥ ÇÊ¿äÇÑ ATM ÁÖ¼Ò ¹× Emulated LAN¿¡ ´ëÇÑ Á¤º¸(À̸§, LANŸÀÔ µî)¸¦ ÁöÁ¤ÇØ ÁÖ´Â ÆÄÀÏÀÌ´Ù. LANE¿¡¼­´Â ¿©±â¼­ ¼­¹öÀÇ ATM ÁÖ¼Ò¸¦ ±¸º°Çϱâ À§ÇØ ATMÀÇ SEL Çʵ带 »ç¿ëÇÏ¿© ±¸ºÐÇÏ°Ô µÈ´Ù.  ¿©±â¼­ LECS¿Í LES´Â 0x01, BUS´Â 0x2, LECÀº 0x09¸¦ »ç¿ëÇÑ´Ù.  LES ¹× BUS ȯ°æ ÆÄÀÏ(.lanvars)Àº LESÀÇ ATM ÁÖ¼ÒÀÎ S1°ú BUSÀÇ ATM ÁÖ¼ÒÀÎ S6´Â ¹Ýµå½Ã ±â·ÏÇØ ÁÖ¾î¾ß ÇÑ´Ù.  LEC ÀÎÅÍÆäÀ̽º ȯ°æ º¯¼ö ÆÄÀÏ(ifcfg-lec0)Àº IPOA ÀÇ ifcfg-atm0  ÀÎÅÍÆäÀ̽º¿Í  À¯»çÇϸç zeppelin¿¡ ÀÇÇØ lec0 ÀÎÅÍÆäÀ̽º°¡ »ý¼ºµÈ´Ù.

       

±¸ºÐ

Kim

Jaykim

1. ±â´É

LECS
LEC

LES
BUS
LEC

2. Çü»óÆÄÀÏÀÇ ¼³Á¤

.lecs_conf

.lanvars

3. ½ÇÇà

Lecs

les
bus

4. ÁÖ¼Ò¼³Á¤

/etc/sysconfig/network-scripts/ifcfg-lec0

5. LEC ½ÇÇà

zeppelin -c lecs_atm &
atm_lecs : LECSÀÇ ATMÁÖ¼Ò(hosts.atm ÂüÁ¶)

       

      (Ç¥ 4) LANEÀÇ ½ÇÇà

      (Ç¥ 4)´Â µÎ ½Ã½ºÅÛÀÌ ÇϳªÀÇ ¿¡¹Ä·¹ÀÌƼµå LANÀ¸·Î µ¿ÀÛÇϴµ¥ ÇÊ¿äÇÑ ¼³Á¤À» Ç¥·Î Á¤¸®ÇØ ³õÀº °ÍÀÌ´Ù. ¼³Á¤ÀÌ ¿Ï·áµÇ¾úÀ» °æ¿ì ps, ifconfig, rout, ping, telnet µîÀ¸·Î µ¿ÀÛ È®ÀÎÀÌ °¡´ÉÇϸç, /proc/atm/svc ¹× lec µî Ư¼ö ÆÄÀÏ ÂüÁ¶ÇÏ¿© µ¿ÀÛ »óŸ¦ È®ÀÎÇÒ ¼ö ÀÖ´Ù. IPOA¿Í LANE¿¡ ÇÊ¿äÇÑ È¯°æº¯¼ö ÆÄÀÏ°ú ½ºÅ©¸³Æ® ÆÄÀÏÀº (ºÎ·Ï A)À» ÂüÁ¶Çϱ⠹ٶõ´Ù.

      LANEÀÇ ½ÃÇè °á°ú LES, BUS, LEC ±â´ÉÀÇ µ¿ÀÛÀº ¾î´À Á¤µµ ¾ÈÁ¤ÀûÀ̳ª LECSÀÇ °æ¿ì default ATM ÁÖ¼Ò·Î ¿¬°áÀ» ¿ä±¸ÇÏ´Â °æ¿ì°¡ ¹ß»ýÇÏ°í, LEC ÇÁ·Î±×·¥À» ÀÎÅÍÆäÀ̽º°¡ ¼³Á¤µÇ±â Àü¿¡ ½ÃÀÛÇÑ °æ¿ì ¹«ÇÑ ·çÇÁ¿¡ ºüÁö´Â °æ¿ì°¡ ÀÖ´Ù.

 

4. °á ·Ð

    ATM ³×Æ®¿öÅ© »ó¿¡¼­ IPOA ¹× LANE ±â´ÉÀ» ATM ´Ü¸» ¹× ¼­¹ö·Î ATM ÆÐÅ°Áö¸¦ Linux ±â¹ÝÀÇ PC¿¡ ¼³Ä¡ÇÏ¿© ±¸¼º ¹× ½ÃÇèÇÏ´Â ¹æ¹ýÀ» ¼³¸íÇÏ°í ½ÇÁ¦ÀûÀ¸·Î ½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ´Ù¾çÇÑ ½ºÀ§Ä¡¸¦ ÀÌ¿ëÇÏ¿© LANE ¹× IPOA ±â´ÉÀ» ½ÃÇèÇÏ´Â ¸ñÀûÀº ´ÙÀ½ÀÇ µÎ °¡ÁöÀÌ´Ù.

    (1) ¹«·áÀÌ¸ç ¿øõ Äڵ尡 Á¦°øµÇ´Â ATM on Linux ÆÐÅ°Áö°¡ °øÁß ATM ±³È¯±â¿¡ »ç¿ë
         °¡´É ¿©ºÎ
    (2) ÇöÀç °³¹ßÁßÀÎ ATM ±³È¯±â¿¡ ÀåÂøÇÏ¿© ATMARP ¼­¹ö ±â´ÉÀ» Á¦°øÇϱâ À§ÇØ ´Ù¾çÇÑ
         Ç÷§Æû ÀÌ¿ë °¡´É ¿©ºÎ

    ATM on Linux´Â »ó¾÷ÀûÀÎ ¸ñÀûÀÌ ¾øÀÌ °³¹ßµÇ¾ú±â ¶§¹®¿¡ ¾ÈÁ¤¼º, Ä¿³Î°úÀÇ ÀÎÅÍÆäÀ̽º, °ü¸® ÇÁ·Î±×·¥ µî ºÎÁ·ÇÑ ºÎºÐÀÌ ¸¹ÀÌ ÀÖÁö¸¸ ÃÖÀûÈ­ÇÏ¿© º¸¿ÏÇÏ¸é »ç¿ë °¡´ÉÇÑ °ÍÀ¸·Î ÆǴܵǸç, Linux°¡ SPARC, PowerPC, Alpha µîÀÇ ÇÁ·Î¼¼¼­¿¡¼­ µ¿ÀÛÀÌ °¡´ÉÇÒ »Ó ¾Æ´Ï¶ó, ÀÔÃâ·Â ¹ö½º·Î¼­ PCI ¹ö½º¸¦ »ç¿ëÇϹǷΠÇ÷§Æû¿¡ ¹«°üÇÏ´Ù. ¶ÇÇÑ, ÀÎÅÚ ÇÁ·Î¼¼¼­¸¦ »ç¿ëÇÑ PC±â¹Ý Linux¿¡¼­ÀÇ ¼­¹ö ±â´É ½ÃÇèÀº ¸¸Á·ÇÒ ¸¸ÇÏ´Ù. µû¶ó¼­, ÇöÀç ±³È¯±â¿¡ »ç¿ëµÇ´Â ÇÁ·Î¼¼¼­°¡ PCI ¹ö½º ±â¹ÝÀÇ °í¼º´É ÇÁ·Î¼¼¼­À̹ǷΠATM on Linux ÆÐÅ°Áö¸¦ Àß È°¿ëÇÏ¸é °í°¡ÀÇ ATM ÆÐÅ°Áö¸¦ ±¸ÀÔÇÏÁö ¾Ê°í ¼º´ÉÀÌ ÁÁÀº ¼­¹ö·Î ±¸¼ºÀÌ °¡´ÉÇϸ®¶ó »ý°¢µÈ´Ù.

 

¡´Âü°í¹®Ç塵

    1) Werner Almesber, Usage instructions - ATM on Linux, release 0.31.
    2) Hassan Ahmed, Ross Callon, Andrew Malis, and John Moy, IP Switching for Scalable
        IP Services,  Proceedings of the IEEE, Vol.85, No.12, Dec. 1998, pp.1984-1997.
    3) Kai-Ueung Siu and Raj Jain, A Brief Overview of ATM Protocol Layers, LAN Emulation,
        and Traffic Management, Computer Communication Review, ACM SIGCOMM, Vol.25,
        No.2, Apr. 1995, pp.6 - 20.
    4) Mark Laubach, Classical IP and ARP over ATM, RFC1577, January 1994.
    5) ATM Forum, ¡°LAN Emulation Over ATM - Version 1.0,¡±     
    ftp://ftp.atmforum.com/pub/specs/af-lane-0021.000.ps.

ºÎ·Ï A.

1. /etc/hosts

    47.0005.80FFE1000000F21514E5.0020D4100A08.00    klee-a
    47.0005.80FFE1000000F21514E5.0020D4100A70.00    park-a
    # HANbit ACE64
    #45.000.821428600152f00000000.0020D4100A08.00    atmf
    #45.000.821428600151f00000000.0020D4100A70.00    park
    +821428609151           park-e
    +821428609152           klee-e

2. /etc/sysconfig/atm

    ATM=yes             # enable ATM support at all
    IPATM=yes          # Classical IP over ATM (using ATMARP)
    AREQUIPA=no     # Application REQUested IP over ATM
    LANE=no            # LAN Emulation (client; doesn¡¯t work yet)
    LECS=yes           # LAN Emulation Configuration Server
    LES=no              # LAN Emulation Server
    BUS=no              # LAN Emulation Broadcast & Unknown Server
    # ILMIQOS=¡±ubr:pcr=100kbps¡±  # optional: QOS to use on the ILMI VC

3. /etc/sysconfig/network-scripts/ifcfg-atm0

    DEVICE=atm0                  # device name
    IPADDR=129.253.90.152   ##MYIPADDR##    # hosts¡¯s IP address on the ATM LIS
    NETMASK=255.255.255.0   # netmask (e.g. EPFL uses 8 host bits)
    NETWORK=129.253.90.0    # network (e.g. EPFL¡¯s experimental ATM LIS)
    BROADCAST=129.253.90.255        # broadcast address (not really useful)
    ARPSRV=kim-a            # ATM address of ATMARP server; omit if local
    # ARPSRVQOS=¡±ubr:max_pcr=100kbps¡±     # QOS of the ATMARP server VC
    # ARPDEFQOS=¡±ubr:max_pcr=700kbps¡±     # default QOS for IP over ATM VCs
    ONBOOT=no               # needs to be loaded by ATM-specific procedure

4. /etc/sysconfig/network-scripts/ifcfg-lec0

    DEVICE=lec0             # device name
    IPADDR=129.253.81.53    # hosts¡¯s IP address on the ATM LIS
    NETMASK=255.255.255.0   # netmask (e.g. EPFL uses 8 host bits)
    NETWORK=129.253.81.0    # network (e.g. EPFL¡¯s experimental ATM LIS)
    BROADCAST=129.253.81.255        # broadcast address (not really useful)
    LECS=lecs_atm           # LECS ATM address
    LEC=kimlec              # LEC ATM address
    ONBOOT=no               # needs to be loaded by ATM-specific procedure

5. /etc/sysconfig/network-scripts/ifup-atm

    #!/bin/sh
    . $1
    PATH=$PATH:/usr/local/sbin
    atmarp -c $DEVICE #### || exit 1
    ifconfig $DEVICE $IPADDR netmask $NETMASK up || exit 1
    route add -net $NETWORK netmask $NETMASK $DEVICE || exit 1
    [ -z ¡°$ARPDEFQOS¡± ] || atmarp -q $NETWORK $ARPDEFQOS
    [ -z ¡°$ARPSRV¡± ] || atmarp -s $NETWORK $ARPSRV arpsrv \
    `[ -z ¡°$ARPSRVQOS¡± ] || echo qos $ARPSRVQOS`

6. /etc/sysconfig/network-scripts/ifup-lec

    PATH=$PATH:/usr/local/sbin
    . $1
    zeppelin -c $LECS &
    ifconfig $DEVICE $IPADDR netmask $NETMASK up || exit 1
    route add -net $NETWORK netmask $NETMASK $DEVICE || exit 1

7. /etc/rc.d/init.d/atm

    #!/bin/sh

    # Source function library.
    . /etc/rc.d/init.d/functions

    if [ ! -f /etc/sysconfig/atm ]; then
        exit 0
    fi

    . /etc/sysconfig/atm

    [ ¡°$ATM¡± != yes ] && exit 0

    cd /etc/sysconfig/network-scripts

    case ¡°$1¡± in
        start)
            echo -n ¡°Starting ATM demons: ¡°
            daemon atmsigd -b -l S -D /var/tmp -t 20
            daemon ilmid -b -l I `[ -z ¡°$ILMIQOS¡± ] || echo -q $ILMIQOS`
            [ ¡°$IPATM¡± = yes ] && daemon atmarpd -b -l A -m
            # launch LANE demon(s) ...
            [ ¡°$AREQUIPA¡± = yes ] && daemon arequipad -b -l syslog
            echo
            if [ ¡°$LANE¡± = yes ]; then
                for n in ifcfg-lec[0-9]; do
                    ./ifup $n
                done
            fi
            if [ ¡°$IPATM¡± = yes ]; then
                for n in ifcfg-atm[0-9]; do
                    ./ifup $n
                done
            fi
            if [ ¡°$LANE¡± = yes ]; then

                if [ ¡°$LES¡± = yes ]; then
                fdaemon les # background daemon
                fi
                if [ ¡°$BUS¡± = yes ]; then
                fdaemon bus
                fi
                if [ ¡°$LECS¡± = yes ]; then
                fdaemon lecs
                fi
            if [ ¡°$LANE¡± = yes ]; then
                for n in ifcfg-lec[0-9]; do
                    ./ifup $n
                done
            fi
            touch /var/lock/subsys/atm
            ;;
        stop)
            if [ ¡°$LANE¡± = yes ]; then
                for n in ifcfg-lec[0-9]; do
                    ./ifdown $n
                done
            fi
            if [ ¡°$IPATM¡± = yes ]; then
                for n in ifcfg-atm[0-9]; do
                    ./ifdown $n
            

        done
            fi
            echo -n ¡°Stopping ATM demons: ¡°
            if [ ¡°$IPATM¡± = yes ]; then
                [ ¡°$AREQUIPA¡± = yes ] && killproc arequipad
                killproc atmarpd
            fi
            killproc atmsigd        # kill ILMID later, so we don¡¯t get complaints
            killproc ilmid
    killproc lecs
    killproc les
               killproc bus
            echo
            rm -f /var/lock/subsys/network
            ;;
        *)  echo ¡°Usage: atm {start|stop}¡±
            exit 1
    esac

 

 Ãß°¡ :

    98³â 7¿ù ÀÌ ±ÛÀÌ ¾²¿©Áö°í ³­ ÈÄ ¾à 10°³¿ùÀÌ Èê·¶´Âµ¥, Linux-atm(http://lrcwww.epfl.ch /linux-atm)ÀÌ º¯È­µÇ°í ÀÖ´Â °ÍÀ» ¸ÞÀÏ(ftp://lrcftp.epfl.ch/pub/linux/atm/)À» ÅëÇØ ´«À¸·Î º¸°í¸¸ ÀÖ¾ú´Âµ¥, ATM¸Á¿¡¼­ µ¿ÀÛÇÏ´Â ½ÇÇè¿ë ¼­¹ö·Î VOD ¼­¹ö¸¦ ¼³Ä¡ÇÏ°Ô µÇ¾ú´Ù(1999.4.26).

    ±âÁ¸¿¡ »ç¿ëÇÏ´ø linux-2.0.29, atm-0.31·Î ÇÏ·Á°í ÇÏ´Ï, ¶óÀ̺귯¸® ¶§¹®¿¡(±× ´ç½Ã ¹èÆ÷ÆÇÀº RedHat 4.2.5¿´À½) VOD SW°¡ ÄÄÆÄÀÏÀÌ Àß ¾È µÈ´Ù°í ÇÑ´Ù. ±×·¡¼­, º»ÀÌ ¾Æ´Ï°Ô ÃÖ½ÅÀÇ ¹öÀüÀ» ¿Ã¸®°Ô µÇ¾ú´Âµ¥, 0.55¹öÀüÀÇ ¹ö±×°¡ °íÃÄÁø µû²öµû²öÇÑ °ÍÀ̾ ±×·±Áö ÀüÇô ¹®Á¦ ¾øÀÌ ¼³Ä¡°¡ µÇ¾ú°í, ½ÃÇè¿¡ ÇÊ¿äÇÑ SVC¿Í PVC IPOAÀ» ÀÌ¿ëÇÏ¿© ¸ñÀûÀ» ´Þ¼ºÇÒ ¼ö ÀÖ¾ú´Ù.

    »ç¿ëÇÑ ¹öÀüÀº RedHat 5.2, linux-2.2.1°ú atm-0.56¹öÀüÀ¸·Î ¾ÆÁÖ ¾ÈÁ¤Àû À̾ú´Ù. ¼³Á¤°úÁ¤¿¡ Áö¿øÇÏ´Â ATM Ä«µå´Â ENI, ZeitNet, NICStAR(IDT 77211 ?) ¿´À¸¸ç, email¿¡ ÀÇÇϸé linux-2.2.3¿¡¼­ FORE Ä«µåµµ ¹®Á¦ ¾øÀÌ »ç¿ëÇÒ ¼ö ÀÖ´Ù°í ÇÕ´Ï´Ù. ¶ÇÇÑ  MPOA, ½ºÀ§Äª µî ¸¹Àº ±â´Éµµ Ãß°¡µÇ¾î   ÀÖ´Ù.




¡ã top

homeÀ¸·Î...