空芯光缆
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 中国电信打造全球最长商用空芯光缆
 Xin Lang Cai Jing· 2025-10-30 23:26
据了解,该项目实现了多项技术创新和服务创新。一是空芯光纤技术的跨区域突破。中国电信在粤港两 地同步部署空芯光纤,相较传统实芯光纤,降低传输时延超过30%,同时凭借超低损耗、超低非线性效 应的特性,为更大带宽传输提供坚实支撑,打破了传统光纤在时延与带宽上的双重局限。 二是OSU技术的设备级革新。中国电信采用最新OSU技术,将设备时延降低40%,并实现业界领先的 2M~100G无损弹性带宽调整,在提升速度的同时,兼顾了带宽灵活性。 中国电信将持续完善粤港澳地区超低时延网络布局,以技术创新赋能金融服务,为粤港澳大湾区的经济 腾飞、科技创新与社会进步注入强劲动力。 本报讯(记者邝海青)近日,由中国电信主导打造的全球最长商用空芯光缆全程贯通。该光缆全长 110km,其中空芯光缆长100km,是连接东莞与香港两地证券交易数据中心的首条跨境空芯光缆,通过 OSU(Optical Service Unit,光业务单元)传输系统,实现了东莞和香港两地间双向时延低至0.93ms, 是目前业界最低时延,满足了金融领域客户对超低时延的极致要求。 三是路由优化的精准攻坚。中国电信通过精心规划光缆路由,比原路由减少10%时延。为此,中国 ...
 中信建投:Oracle云订单暴涨 AI算力需求强劲
 Ge Long Hui· 2025-09-15 05:13
 Core Insights - Oracle's cloud orders surged to $455 billion, more than quadrupling compared to the same period last year, driven by significant demand for computing infrastructure from AI customers [1] - Both Oracle's cloud business and Alibaba Cloud revenue have increased due to the strong demand in the AI computing market [1] - China Mobile has initiated a tender for hollow-core optical cables, indicating that domestic internet companies are accelerating the adoption of new optical cable technologies to meet AI demands [1] - Discussions on economic and trade issues between China and the U.S. will take place in Spain, with attention also on the U.S. Commerce Department's anti-dumping investigation into chips [1]