This document explains how to design highly available Fibre Channel networks. Such a design requires switches with an appropriate hardware design architecture, a solid software implementation, a careful selection of fabric topology, and adherence to implementation best practices. The document. Fibre Channel (FC) is a high-speed data transfer protocol providing in-order, lossless delivery of raw block data. Fibre Channel networks form a. IBM b-type and c-type SAN switches deliver high-performance, reliable and efficient storage connectivity, enabling robust, scalable infrastructures that boost business agility and lower your total cost of ownership. Connect servers and storage with a high-speed and AI-driven intelligent network. Short answer — where Fibre Channel still fits (2025): FC remains the go-to for mission-critical, low-latency, lossless SANs (FC-NVMe/SCSI) in enterprise data centers. Gen 7 (64GFC) is mainstream, and Gen 8 (128GFC) is moving from standardization into productization, while Ethernet storage (iSCSI. The Proven Standard for High-Performance, Reliable Data Storage and Delivery Fibre Channel remains the preferred solution for Data Centers seeking reliable, high-speed, and cost-effective data storage and delivery.