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Openai/6937b8ff-b070-8002-89c2-4f3c35f2c29a
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=== 严格意义上 个人不可能跨省、市自己拉光纤到对方机房。 === 但企业之间可以： * 企业 A → 企业 B 拉一条点对点光纤 * 两地之间的“暗光纤（Dark Fiber）” * 私有 MPLS 网络 * 自建 IDC 机房之间互联 这种是“企业级私有专线”，但仍然要 租用运营商的杆路、管道、光纤资源，不可能完全自己挖沟、穿城铺光纤。
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