05_Network Layer_12

00:00 - CONTENT of this CHAPTER 00:17 - Internet Physical Topology 02:00 - Routing Information Protocol (RIP) 03:49 - Open Shortest Path First (OSPF) 05:06 - Increase scalability by hierarchies 08:14 - Intermediate System to Intermediate System (IS-IS) 09:44 - From intra-domain routing to inter-domain routing 10:43 - The Internet: A Network of Networks 12:21 - Objectives and Challenges 13:41 - Link-State and Distance Don’t Work! 13:53 - Link-State and Distance Don’t Work! Why? 15:32 - CONTENT of this CHAPTER 15:48 - Border Gateway Protocol (BGP) in a nutshell 19:41 - Step 1: Learning of routing paths 22:18 - Each AS appends itself when propagating announcement 25:44 - Example: BGP RIB Entry 27:14 - Final Steps: Select Best Route & Export Route 29:41 - Debug BGP: BGP Looking Glasses and Routing Information Services 31:39 - BGP Looking Glasses – Sprint Routing Table Digest 34:44 - BGP Looking Glasses – Sprint Routing Table Digest 35:45 - AS Operators 38:36 - Types of peering relations: Two main business relations 40:30 - Paying is usually based on 95th percentile rule 42:08 - Internet transit costs declined over the last years 42:37 - Internet transit costs declined over the last years 43:32 - BGP policies are defined by constraining which BGP routes are selected and exported 44:05 - BGP policies are defined by constraining which BGP routes are selected and exported 44:25 - Which routes do you prefer? 45:43 - Which routes do you prefer? 46:49 - BGP policies are defined by constraining which BGP routes are selected and exported 47:22 - Which routes do you export to whom? 47:56 - Providers transit traffic for their customers 48:54 - Peers don’t transit between each other 49:39 - Customers don’t transit between providers ($$) 50:38 - Common exporting rules 52:56 - (Old) Internet AS Hierarchies 54:15 - More recent Internet model: Much more interconnections 56:58 - Summary BGP 58:56 - Active BGP Entries (example FIB of AS 65000, bgp.potaroo.net) 59:31 - Now, you should understand this much better ;) 1:01:25 - BGP Problems and Challenges (1) 1:03:13 - BGP Problems and Challenges (2) 1:04:17 - BGP path attribute ORIGIN [RFC 4271] 1:05:19 - Questions & Tasks