相关实验视频
Updated: Jul 22, 2025

07:45
Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
10.9K
概括
这项研究证明了使用快速波长切换和空心纤维的数据中心的实时,低延迟光学时钟同步. 这项技术可实现可扩展,高容量的数据中心内部互连,延迟最小.
科学领域:
- 光学网络的建立是因为光学网络.
- 数据中心相互连接数据中心相互连接
- 电信 电信服务 电信服务 电信服务
背景情况:
- 扩大数据中心容量需要先进的互连解决方案.
- 快速的光学波长切换为更高带宽提供了途径.
- 低的光学时钟同步对于光学交换系统中可靠的数据恢复至关重要.
研究的目的:
- 提出和演示一个实时,低延迟波长切换时钟同步的数据中心内部互连系统.
- 通过使用具有成本效益的方法实现亚纳秒钟和数据恢复.
- 为了利用空心纤维的独特特性,提高性能.
主要方法:
- 使用快速调节的激光,具有纳米秒的切换时间.
- 使用超稳定的延迟空心纤维 (HCF).
- 实现时钟阶段缓存以实现低延迟时钟恢复.
主要成果:
- 证明了波长切换时钟同步的互连连接在51.2GBd.
- 实现了物理层延迟低于46纳秒 (28 ns收发器+18 ns包间间隙).
- 通过利用HCF特征,消除了对主动时钟相位跟踪的需求.
结论:
- 快速光学波长切换与HCF相结合,是可扩展的数据中心内部网络的可行解决方案.
- 拟议的系统提供了对高性能数据中心至关重要的超低延迟.
- 空心纤维的特性大大简化了时钟同步要求.
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