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Today I will talk about three related topics: 1) autonomous system (AS), 2) two types of routers in terms of AS: interior routers and border routers, and 3) Border Gateway Protocol (BGP)
Playlists:
Routing and Switching
   • Switching and Routing  
IPv4 Basics IPv4 Basics
   • Tricks to five classes of IPv4  
Cyber Attacks and Defense
   • AAA framework: TACACS+ vs RADIUS  
Basic Cryptography
   • Private Key Encryption (Symmetric Key...  
Advanced Cryptography:
   • What is digital signature?  
Public Key Infrastructure
   • Why digital certificate?  

Remote Access & WAN Technologies
   • Circuit Switching vs. Packet Switching