0.1 Motivation 0.2 Book audience 0.3 Book structure 1 Dealing with routes within the router 1.1 Intrarouter Route handling Features in JUNOS Software 1.2 RIB Route Advertisement at MPLS VPNs 1.3 Directing traffic to forwarding tables 1.4 Case Study Bibliography 2 Link-State IGP migrations 2.1 Link-state IGP hierarchical migrations 2.2 Link-state IGP domain migrations 2.3 Case Study Bibliography 3 BGP Migrations 3.1 Motivations for BGP migrations 3.2 Considerations for BGP migrations 3.3 Generic strategies for BGP migrations 3.4 JUNOS Software implementation of BGP 3.5 Resources for JUNOS Software BGP migrations 3.6 Case study Bibliography 4 MPLS Label Distributions migrations 4.1 Motivations for MPLS Label Distribution migrations 4.2 Considerations for MPLS Label Distribution migrations 4.3 Generic strategies for an MPLS label distribution protocolmigration 4.4 Resources for an MPLS label distribution protocolmigration 4.5 Case Study Bibliography 5 MPLS Layer 3 VPN migrations 5.1 Motivations for Layer 3 VPNs migrations 5.2 Considerations for Layer 3 VPN migrations 5.3 Generic strategies for L3 VPN migrations 5.4 JunOS implementation of L3 VPNs 5.5 Resources for L3 VPN migrations 5.6 Case Study Bibliography