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TuvianNavy's profile
状態(の変化)*
状態(の変化)*
状態(の変化)*
@TuvianNavy

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状態(の変化)*

@TuvianNavy

データーセンタに住もうとおもうの ふつうのクラウドにケチつけるのが仕事 / ITインフラ設計者見習い / 外延と範疇と型理論の歴史 / 自分の言葉はそろそろ封印して世の中の為になることをしたい

sites.google.com/site/tuviannav…
Joined September 2009

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    1. 状態(の変化)*‏ @TuvianNavy Mar 31
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      どこまで悪意に満ちた挙動をしても規格の枠内に収まるか?

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    2. 状態(の変化)*‏ @TuvianNavy Mar 31
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      基本的には紳士協定だろうに、と思う

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    3. 状態(の変化)*‏ @TuvianNavy Mar 31
      • Report Tweet

      ブロードキャストドメインに見せかけてユニキャストしか飛ばせないリージョン間L2接続なんて話も耳にした、何か凄く間違ってると思った

      1 reply 0 retweets 1 like
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    4. 状態(の変化)*‏ @TuvianNavy Mar 31
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      まあそんな調子なので何も一般化できない

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    5. 状態(の変化)*‏ @TuvianNavy Mar 31
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      JPOPの歌詞や日本の今の内閣のインフォーマルな憲法解釈やスパムコンテンツと同じく、仮想化インフラにおけるネットワークにおいて仕様とか規格はとても軽いその場限りの意味しか持っていない

      1 reply 0 retweets 1 like
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    6. 状態(の変化)*‏ @TuvianNavy Mar 31
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      プライベートでもIEEE登録済みでもないMACアドレスを勝手に使って恥じない、IANAの存在も知らないか忘れている

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    7. 状態(の変化)*‏ @TuvianNavy Mar 31
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      というか、L2が無法地帯 ルーター越えるときにMACアドレスはルーターの外足のそれになるから、というのが出鱈目なMACアドレスの正当化の根拠だとは思うけど

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    8. 状態(の変化)*‏ @TuvianNavy Mar 31
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      何というか物理NWがそんな挙動をしたら皆怒るだろ、というような制限をかけて皆平然としている 多分普遍性のある仕事をするというエートスがどっかで決定的に失われたんだと思う

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    9. 状態(の変化)*‏ @TuvianNavy Mar 31
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      クラウド事業者以外ではそういう仕事ぶりが許容されてしまう、むしろ許容しないと自分たちの首を絞める、ということなのかも

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    10. 状態(の変化)*‏ @TuvianNavy Mar 31
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      NeutronというかOpenStackのsecurity group辺りの仕様があまりに出鱈目を許すように作り過ぎた、というのはあって、そこの反省をflannelは踏まえていると思う

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      状態(の変化)*‏ @TuvianNavy Mar 31
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      結局、SDNは各社のサボタージュの場になっていた、ともう言い切っていいと思う 例えばCiscoがVTPv2のフリー実装をLinux foundationに提供していたら話は全く違っていただろう

      6:12 AM - 31 Mar 2019
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        1. New conversation
        2. 状態(の変化)*‏ @TuvianNavy Mar 31
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          結局皆、whitebox fabricなど実現されたらたまったものではないし、使い物になるREST APIも提供したくなかった

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        3. 状態(の変化)*‏ @TuvianNavy Mar 31
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          この種の事例、例えばMicrosoftはRDOの再配布可能なDLLを作らなかったなど類例は多い

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        4. End of conversation

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