Aijun Wang, Huaimo Chen, Ketan Talaulikar, Shunwan Zhuang, 2022-05-12, This document describes the procedure to build Border Gateway Protocol- Link State (BGP-LS) crucial parameters in inter-domain circumstance, defines 1 new BGP-LS Network Layer Reachability Information (NLRI) style (Stub Link NLRI) and some new inter Autonomous (inter-AS) Traffic Engineering (TE) relevant Type-Length-Values (TLVs) for BGP-LS to let Software Definition Network.