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network.ipv4_cidrにipv6 cidrを入れるとレスポンスが以上に悪化する #235

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h-otter opened this issue Feb 22, 2020 · 0 comments
Open

network.ipv4_cidrにipv6 cidrを入れるとレスポンスが以上に悪化する #235

h-otter opened this issue Feb 22, 2020 · 0 comments
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h-otter commented Feb 22, 2020

以下の関数は O(2^n) を探索する。このときnはサブネットマスクの逆である。つまり、ipv6の /64 ネットワークを指定された場合は O(2^64) forを回してしまい一生帰ってこない。

https://github.com/n0stack/n0stack/blob/master/n0core/pkg/util/net/ip.go#L21
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