Backbone!CONFIDENTIALThisreportissolelyfortheuseofclientpersonnel.Nopartofitmaybecirculated,quoted,orreproducedfordistributionoutsidetheclientorganizationwithoutpriorwrittenapprovalfromMcKinseyCompany.ThismaterialwasusedbyMcKinseyCompanyduringanoralpresentation;itisnotacompleterecordofthediscussion.TelecomITPMarch2001HowChangesinTechnologyandtheRiseofIPThreatentoDisrupttheUSLong-haulTelecomIndu...