Description  Claims  Drawing  Cited references 

IN201641020463   [0001] 
US20070260746A1   [0009] 
US8611359B1   [0010] 

Advertising per-node administrative tags in OSPF   [0038] 
A Border Gateway Protocol 4   [0044] 
Carrying Label Information in BGP-4   [0044] 
The Accumulated IGP Metric Attribute for BGP   [0044] 
OSPF Version 2   [0045] 
OSPF for IPv6   [0045] 
OSPF Hybrid Broadcast and Point-to-Multipoint Interface Type   [0045] 
OSPFv3 LSA Extendibility   [0045] 
OSI IS-IS Intra-domain Routing Protocol   [0045]