40GBASE-LR4 in Transitional Networks Keeping Long-Distance Links Stable While Everything Else Changes
Why Transitional Networks Are More Common Than “Greenfield” Designs When people talk about network architecture, they often imagine clean, well-planned greenfield deployments. In reality, most production networks are transitional by nature. They evolve slowly, accumulate legacy equipment, and reflect years of incremental decisions rather than one grand design. In these environments, technology choices are rarely…