Cisco Blog > SP360: Service Provider SP360: Service Provider Video: QSFP-DD Optics Thermal Demo and Why This Is Important For 400G Data Center Interconnects Pat ChouJune 11, 2019 - 0 Comments At OFC 2019, I asked Cisco Optics Product Manager Ray Nering about the demo he was running at the Cisco booth. It turns out this is all about connecting data centers together with 400G links. For more details, see this earlier blog post. More videos at the Cisco Optics playlist on Cisco’s Youtube Channel. Share: Tags:400G400G-ZRCoherent OpticsQSFP-DD In an effort to keep conversations fresh, Cisco Blogs closes comments after 60 days. Please visit the Cisco Blogs hub page for the latest content.