AS : Interior and border routers, Border Gateway Protocol

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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
IPv4 Basics IPv4 Basics
Cyber Attacks and Defense
Basic Cryptography
Advanced Cryptography:
Public Key Infrastructure

Remote Access & WAN Technologies
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Thanks for your great videos. Just one thing on this one: we have been using also 32-bit ASNs for a long time now since the 16 bit space wasn't enough. For example RIPE offers 32-bit support since January 2007 and has 32-bit ASNs as a default since 2009.

christophfranke
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Great video Sunny. Your videos are always direct to the point and simple to understand. Thanks.

FelipeAugusto-xhzc
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I've been trying to understand this for a long time thank you

razeal
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Thank you always, Sunny, for your elaborating videos.

theAlmightyGod
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Great video! I always share these on my LinkedIn. Good stuff.

brianturney
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Really it's very useful... Plz update soon about IGP

farhanaffan
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Can you explain the asn max is 65, 535, how come 100, 000 asn is in used globally?

suneefilm
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Autonomous system
- an independent network or collection of networks controlled by a single entity
- network of routers using the same routing policy and logic
- has a globally unique 17 bit ID assigned by IANA

ASN Routers
Interior Routers
- do not support connections to other ASN
- forward packets internally
Border Routers
-Connect different ASN
- forward IP packets across ASNs

Exterior Routing Protocol
Border Gateway Protocol

seetsamolapo