More solutions
IP-level multiplexing through smart router
- munge IP packets and send them to selected host
- Cisco, SUN, etc. make hardware to do this
- tricky state management issues, failure semantics
“Smart Clients”
- Netscape “Proxy Autoconfig” (PAC) mechanism
- only useful if connecting via proxy
- Javascript selects from amongst proxies
- No HTTP protocol support for smart client access to web servers