Seamless Access Router Upgrades through IP/Optical Integration
Susan R. Bailey, Vijay Gopalakrishnan, Emmanuil Mavrogiorgis, Jorge L. Pastor, Jennifer M. Yates · 2011
We describe RFC, a new capability that minimizes customer outages during software and hardware upgrades in ISP networks. RFC is being used by a large Tier-1 ISP to upgrade access routers supporting thousands of customers.