Nippon Telegraph and Telephone (NTT) announced the development of an IP optical traffic engineering (TE) server for an IP optical backbone network composed of IP routers and optical crossconnects (OXCs). The IP optical TE server controls the IP optical backbone network using an original traffic control algorithm that applies to both IP routers and OXCs. NTT said its TE server responds flexibly to unexpected changes in traffic demand, and could be used to restore operations quickly in the event of system failures or natural disasters.NTT will be...