New Zealand Optical Core Router OSFP

OSFP (Octal Small Form Factor Pluggable) modules enable high-speed 400G and 800G optical connectivity for next-generation core routers, supporting scalable, thermally optimized, and interoperable network deployments.

Overview of OSFP Technology

OSFP is an open standard optical transceiver interface designed for high-density, high-performance networking environments, including hyperscale data centers, AI clusters, and optical core routers . Each OSFP module supports eight electrical lanes, with each lane capable of 100G PAM4 signaling, allowing aggregate bandwidths of 400G or 800G . Unlike QSFP-DD, OSFP emphasizes thermal headroom, electrical performance, and future scalability, making it ideal for high-power, high-speed applications .

Key Features for Optical Core Routers

• High-Speed Connectivity: Supports 400G and 800G Ethernet links, with some modules capable of 1.6 Tbps aggregate rates using 224G per-lane signaling .
• Thermal Management: Integrated heatsinks and optimized mechanical design allow modules to handle 15–20W power dissipation, critical for dense router environments .
• Interoperability: OSFP modules comply with the OSFP Multi-Source Agreement (MSA), ensuring vendor-neutral compatibility across routers, switches, and optical modules .
• Coherent Optics Support: Modules like Cisco's 800G ZR/ZR+ coherent optics enable long-distance DWDM links up to 120 km for 800ZR and over 1000 km for 800G ZR+, suitable for metro and regional interconnects .
• Flexible Deployment: Compatible with multiple line rates and Ethernet standards, supporting data center interconnect (DCI), metro, and service provider networks .

Applications in New Zealand

For New Zealand's optical core networks, OSFP modules are particularly relevant for:

• High-capacity backbone routers connecting major cities and data centers.
• Data center interconnects requiring 400G–800G links with low latency and high reliability.
• AI and cloud infrastructure where thermal management and high-density ports are critical.
• Service provider networks leveraging coherent optics for long-haul and metro connectivity .

Vendor Ecosystem

Several vendors provide OSFP solutions suitable for New Zealand deployments:

• Cisco: Offers 800G ZR/ZR+ coherent optics for long-distance DWDM links .
• Acacia: Provides OSFP modules with advanced DSP ASICs and silicon photonics for high-performance DCI and metro networks .
• Amphenol and TE Connectivity: Supply OSFP connectors, cages, and cable assemblies supporting 56G–224G per-lane speeds, enabling scalable, high-density router interconnects .

Conclusion

OSFP modules are a future-ready solution for New Zealand optical core routers, offering high-speed 400G/800G connectivity, robust thermal management, and broad interoperability. They are particularly suited for data center interconnects, metro/regional networks, and AI-driven infrastructure, providing a scalable platform for evolving bandwidth demands.