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HTTP/2 301 date: Fri, 31 Jul 2026 13:31:17 GMT content-type: text/html; charset=iso-8859-1 content-length: 271 location: https://atmarkit.itmedia.co.jp/ait/articles/1203/21/news133.html server: nginx x-frame-options: SAMEORIGIN strict-transport-security: max-age=31536000 HTTP/1.1 301 Moved Permanently Date: Fri, 31 Jul 2026 13:31:17 GMT Content-Type: text/html Content-Length: 162 Connection: keep-alive Server: nginx Location: https://atmarkit.itmedia.co.jp/ait/articles/1203/21/news133.html X-Frame-Options: SAMEORIGIN Strict-Transport-Security: max-age=31536000 HTTP/2 200 date: Fri, 31 Jul 2026 13:31:17 GMT content-type: text/html server: nginx vary: Accept-Encoding x-frame-options: SAMEORIGIN strict-transport-security: max-age=31536000 content-encoding: gzip ?uOpenFlow?̕??v?????AOpenFlow??SDN?̐^???F?N???E?hHot Topics?i7?j?i1/2 ?y?[?W?j - ??IT

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?@?????ŁA??Nicira Networks?̃}?[?e?B???E?J?T?h?iMartin Casado?j???ւ̃C???^?r???[?????͂?????B???̃C???^?r???[??2012?N2??22???A???Ђɂ????{?ł̎??ƓW?J?̔??\?Ɠ????ɍs?????B

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—— ?????NVP?́A???Ȃ???????OpenFlow?Ɋւ???m????m?E?n?E?????p????ŏ??̐??i?Ƃ????ʒu?Â??Ȃ̂??H

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—— ?u?l?b?g???[?N???z???v?Ƃ??????t?́A???낢??ȈӖ??Ɏ󂯎???B

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?}?[?e?B???E?J?T?h???i?E?j?ƕ?Nicira Networks CEO?̃X?e?B?[?u?E?????C?j?[??

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?@???ꂪ???????邱?ƂŁA????ƃf?[?^?Z???^?[?S?̂??N???E?h???ł???B?Ȃ??Ȃ獡???̃f?[?^?Z???^?[??????ƁA?l?b?g???[?N???ő?̖?肾???炾?BNicira????낤?Ƃ??Ă???̂͂??ꂾ?B?`???I?ȃl?b?g???[?N?ł́A???݂̖??ɉ????邱?Ƃ??ł??Ȃ??B

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OpenFlow???̂́A?قƂ?ǉ???????킯?ł??Ȃ?

—— ???̎???̈Ӑ}?͂??????????Ƃ??BOpenFlow?ւ̊֐S?????{?Ŕ??ɍ??܂??Ă??邱?Ƃ𕷂??Ă??邩??????Ȃ??BSoftware-Defined Netwoking?Ƃ??????t?????ڂ???Ă???B???????AOpenFlow?łł??邱?ƁASDN?ł?낤?Ƃ??Ă??邱?Ƃɂ??āA?傫?ȍ???????????B?????̐l???l????̂́AOpenFlow???X?C?b?`?⃋?[?^?̃n?[?h?E?F?A?̃l?b?g???[?N?g???t?B?b?N?????𐧌?ł???Ƃ??????Ƃ??B???Ȃ?????????낤?Ƃ??Ă???̂͂???ł͂Ȃ??B?n?[?h?E?F?A?𐧌䂷??̂łȂ??AIP?l?b?g???[?N?Ȃ?Ȃ?ł??Ώۂɂ??邱?Ƃ̂ł???A?g???l?????O????уl?b?g???[?N?????́A???Ȋ????I?ȃ??J?j?Y?????낤?B

?@OpenFlow???̂́A?قƂ?ǉ???????킯?ł??Ȃ??B?C???^?[?t?F?C?X?Ƃ????????̑??݂??BUSB???R???s???[?^?̃C???^?[?t?F?C?X?ł???̂Ɠ????悤?ɁAUSB?}?E?X??L?[?{?[?h?̂悤??USB???g???f?o?C?X???Ȃ???΁A?v???g?R?????̂ł͉????ł??Ȃ??B?`???I?Ƀl?b?g???[?N?ł͂????????C???^?[?t?F?C?X???Ȃ??????B???̂??߁A?V???ȋ@?\???\?t?g?E?F?A?Œǉ????邱?Ƃ?????????B

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?@OpenFlow?𐶂ݏo???̂͂ƂĂ????ʂȍ?Ƃ??B???????A?l?b?g???[?N?????z??????\?t?g?E?F?A??????̂́A?c??ȘJ?͂???????B???ɓ????肾?B???̃\?????[?V?????̓????????????̂??A?????̎d?????B

?@OpenFlow??SDN???A???G?Ȗ??̉??????\?ɂ??Ă????B???????ASDN?Ȃ??ł́A?l?b?g???[?N???z???̖??????????邱?Ƃ??ł??Ȃ??B?`???I?ȃl?b?g???[?N?ł́A???̖????????ł??Ȃ??????B?Ȃ??Ȃ炻?̏?Ƀc?[???????݂??Ȃ????????炾?B

?@OpenFlow??SDN???ANicira?₻?̑??̉?Ђ??A?n?[?h?ȃl?b?g???[?L???O?̖????????ł???@???^???Ă????B???????A???̖????i?{???Ɂj???????Ȃ???΂Ȃ?Ȃ??B???ꂪ?????̂???Ă??邱?Ƃ??B

—— ???Ȃ??̓|?C???g?\?????[?V???????Ɛ؂?̂Ă邩??????Ȃ????A?Ⴆ??VMware?̐??E?ł́A???ł?vNetwork Distributed Switch???g???A???z?}?V???̃C???^?[?t?F?C?X?i???F???m?ɂ̓C???^?[?t?F?C?X?Q?j??VLAN ID?????蓖?Ă邱?Ƃ??ł???B

?@????ɂ??Ęb?????B

?@VLAN?͕????l?b?g???[?N?̈ꕔ???BVLAN?ɑ????鉼?z?}?V???ɂƂ??ẮA?ŏ??̃|?b?v?̃Q?[?g?E?F?C???????T?u?l?b?g??ɂ??邱?Ƃɂ͕ς??Ȃ??B???z?}?V????ʂ̃T?u?l?b?g?Ɉړ????邱?Ƃ͂ł??Ȃ??BIP?A?h???X???ς???Ă??܂??A?A?v???P?[?V???????g?????????Ȃ??Ȃ??Ă??܂????炾?B????ł̓l?b?g???[?N?̉??z???ł͂Ȃ??B?????VLAN?̂Ȃ??ō\?????ړ??ł???悤?ɂ??Ă??邾?????B

?@????ꂪ????Ă???̂́A?????I?ȑ??݂ɂЂ??Â????????Ȃ??????Ƃ??B???ׂẴA?h???X?A?Q?[?g?E?F?C?A???ׂĂ????z???????B???鉼?z?}?V?????T?u?l?b?g?Ԃł??A?f?[?^?Z???^?[?Ԃł??ړ????邱?Ƃ??ł???B

?@????1?傫?ȈႢ??????BVLAN?ł̓??C??2?̃v???C?x?[?g?l?b?g???[?N?????Ă邾?????B???????N???E?h??̑????̃A?v???P?[?V?????́A?ʂ̃^?C?v?̃v???g?R????K?v?Ƃ???B?Ⴆ?΃??C??3???B

?@MapReduce?ȂǁA??K?͂ȉ?͂̃??[?N???[?h?ł̓??C??3???K?v???B?X?P?[???????邽?߂ɂ́A?????̃G???h?z?X?g?????????삷??K?v?????邩?炾?B

?@?????̕??@?ł́A???C??2?ł????C??3?ł??A???ׂĂ????z???ł???B???z?}?V?????????܂?????Ƃ??Ă??A???ׂẴT?[?r?X???i?ꏏ?Ɂj????????B?]???Ă????Nexus 1000V?Ƃ??A???C?G???E?F?A??vDS?Ƃ????ɈقȂ?B

—— ???????ȒP?ɂ????΁A???Ȃ??????̂?낤?Ƃ??Ă???̂́A??{?I?ɂ̓??C??2?p?P?b?g?̃??C??3?g???l?????O???B

?@????̓I???E?U?E???C???́i???F?l?b?g???[?N?I?ȁj???J?j?Y?????B?????????ׂĂ̕??G????Nicira?́i???i?́j?Ȃ??ŏ??????Ă???B?p?P?b?g???l?b?g???[?N??ł???肷??Ƃ?????Ƃ́A???̃\?????[?V?????̂Ȃ??ł̓V???v???ȕ??????B

?@?????Ɠ???̂́A?e???z?}?V???ɉ??z?I?ȃA?h???X?A???z?I?ȃZ?L?????e?B?E?|???V?[?A???z?I?ȃu???[?h?L???X?g?E?h???C?????????邱?Ƃ??B???????????Ƃ̑????͕????l?b?g???[?N??ŋ??L????Ȃ???΂Ȃ?Ȃ??B???鉼?z?}?V?????????ƁA???ׂẴ|???V?[??Z?L?????e?B?͍X?V????Ȃ???΂Ȃ?Ȃ??B?X?e?[?g???Ǘ????邱?ƁA???ꂪ??????????B

?@?l?b?g???[?N??Ńp?P?b?g???ǂ̂悤?ɉ^?Ԃ??B???C??3?g???l?????g?????Ƃ?????B?????l?b?g???[?N?ɂ???Ă̓??C??2?^?O???g?????Ƃ?????B??????K?͂ȃ??C??2?l?b?g???[?N?ł???΁A?^?O???g???????ł??????B?????????C??3?l?b?g???[?N?ł́A?T?u?l?b?g?𒴂???K?v?????邽?߁A???C??3?g???l?????O???s???B?????A?p?P?b?g?̈ړ??̕????͓?????Ƃł͂Ȃ??B

—— ???????A???Ȃ??̃\?????[?V?????̃p?t?H?[?}???X?ɉe????^????͂????B

?@?p?t?H?[?}???X??A?????̃g???l?????O?i???FSTT?j?͈?ԗD??Ă???BLinux??̉??z?}?V???ɑ΂??A10Gbps?̃p?t?H?[?}???X??񋟂ł???B?g???l?????O?????Ȃ??ꍇ?ƂقƂ?Ǔ????p?t?H?[?}???X???B???\???B?錍?́A?W???I??NIC?Ȃ?ǂ?ł??????Ă???n?[?h?E?F?A???????@?\???g?????Ƃ??B

—— ???ۂɂ͂ǂ̂悤?ɂ??̂??B

?@?i?}??`???āj???z?}?V???AvSwitch?A?n?C?p?[?o?C?U?ANIC??????Ƃ???B?i???z?X?C?b?`??NIC?̊Ԃ??w???j?p?P?b?g???M?ɍۂ??āA??ԍ??????̂͂??̋??E?𒴂???Ƃ??낾?B

?@?????ł????́A???z?}?V???ɑ΂??đ傫?ȃE?B???h?E?T?C?Y??`???A???z?l?b?g???[?N?????ɑ傫?ȑш?????Ǝv?????܂???B??????NIC???g???A?p?P?b?g????菬???ȃp?P?b?g?ɕ???????B????̓n?[?h?E?F?A?ɂ?镪?????ł??邩?炾?B???̒m?????A???݂????????Ă???͓̂??Ђ??????B

—— NVP?J???ɂ???????Open vSwitch?֘A?œ???????Ƃ????̂͂ǂ??????|?C???g???낤?B?n?[?h?E?F?A??OpenFlow?X?C?b?`?Ɠ????悤?ȓ????????z?X?C?b?`?ɂ?????Ƃ??????Ƃł͂Ȃ??̂??B

?@???????B?n?[?h?E?F?A??OpenFlow?X?C?b?`?Ɠ????悤?ɓ??삷??B

?@?????????z?̐??E?ƕ????̐??E?Ƃ̊Ԃ̖|??????Ȃ???΂Ȃ?Ȃ??B?T?[?o???z???ł́A???z?A?h???X?ƕ????A?h???X?????݂??A???̊Ԃł̃}?b?`???O???s???B????Ɠ??????Ƃ????Ȃ???΂Ȃ?Ȃ??B?????̃T?[?o?ƒʐM???Ă??āA???z?X?C?b?`?Q?̏?ɉ?????̃A?h???X???Ǘ????Ă???Ƃ???B?????ɉ??z?Z?L?????e?B?E?|???V?[??K?p???????Ă????Ȃ???΂Ȃ?Ȃ??B????΍?????????????ꂽ?X?e?[?g?Ǘ????ʂɍs??Ȃ???΂Ȃ?Ȃ??B???ꂪ????B

?g???l?????O??@???̂??̂͏d?v?ł͂Ȃ?

—— NVP?̓g???l?????O???邢?̓J?v?Z?????̃e?N?m???W????Ɨ????Ă???Ƃ????邩?H

?@???????B?????̃g???l?????O?v???g?R?????T?|?[?g???Ă???BGRE?A?????̔????????g???l?????O?v???g?R???ł???STT?AIPsec?AGRE?{IPsec???T?|?[?g???Ă???B???C??2?̃J?v?Z?????v???g?R?????T?|?[?g???Ă???B??????ڋq?̃j?[?Y?ɉ????Ă???ɑ????̃v???g?R?????T?|?[?g??????肾?B

—— ???̂Ȃ??Ń??[?U?[?Ɏg?킹?????̂͂ǂꂩ?B

?@?ˏo???đ????̂́ANicira???J??????STT???B??قǐ???????NIC?̋@?\???g???̂͂??ꂾ?B?p?t?H?[?}???X?????ɗD??Ă??邽?߁ASTT??I??????l?͑????B????ȃn?[?h?E?F?A??K?v?Ƃ????ɁA10?{???̍??????????????Ă???B???ꂪ???ЂƂ??Ă̂??????߂??B???????AGRE???g????????΁A????ł????܂?Ȃ??B

?@?????炭?A?????b???̂͂??Ȃ????ŏ????Ǝv?????A???T?????́A?????W??????????肾?B

???FNicira?͂??̌?ASTT?ɂ??ăh???t?g??IETF?ɒ?o?????B

https://nicira.com/blog/opening-the-tunnels
https://www.ietf.org/id/draft-davie-stt-01.txt

—— ?z???C?g?y?[?p?[?ł́A?uVXLAN???T?|?[?g?ł???v?ƌ????Ă???B

?@???????B??????g???l?????O?v???g?R???ɑΉ?????BVXLAN?͎?????ANVGRE?ɔ??ɋ߂??B??????NVGRE?ɂ??Ή????邵?AVXLAN?ɂ??Ή?????B

—— ?N???E?h?T?[?r?X???Ǝ҂??e?e?i???g?ɑ΂??A???????ꂽ?l?b?g???[?N?Z?O?????g??񋟂???Ƃ??????[?X?P?[?X???l?????Ƃ??A?Ⴆ?Όڋq?????_?Ƀg???l?????O?̃G???h?|?C???g???K?v?ɂȂ?B????????CPE???邢??CPS?̒񋟗\??͂ǂ??Ȃ??Ă???̂??B

?@?Q?[?g?E?F?C?ƌĂԂ??̂?????Ă???B?\?t?g?E?F?A?A???z?A?v???C?A???X?A???邢?͉??z?A?v???C?A???X?𓮂????????A?v???C?A???X?̌`???Œ񋟂???B????Ōڋq?̕????l?b?g???[?N???N???E?h?Ɋg???ł???B?n?[?h?E?F?A?v???b?g?t?H?[????񋟂??ׂ??A???݃n?[?h?E?F?A?p?[?g?i?[?Ƃ̋??Ƃ??s???Ă???B?????̃o?b?N?{?[???i?T?[?r?X?j?Ƃ̓??????l???Ă???ANTT?̂悤?Ȏ??Ǝ҂??T?[?r?X?Ƃ??Ē񋟂ł???悤?ɂ????Ă????B

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