Networking Review

Internet

network addressing: where the host is
network naming: which hose it is
Circuit switching: reservation
packet switching: best effort
Layers
- Application
- Transport
- Network
- Datalink
- Physical

BGP - Border Gateway Protocol

eBGP: border routers to external border routers
iBGP: border routers to internal routers
IGP: interdomain routing protocol
Limitations
- security: false ads
- performance?