1. MS Proxy Internet Microsoft Proxy Server Secure Network LAN

2. Config

4. Filtering

5. VPN Internet Microsoft Proxy Server 2.0 Secure Network /mktg “www.company.com” “internal.company.com” “www.company.com/mktg” Web Server

6. Cache Array Internet Microsoft Proxy Server 2.0 Secure Network Microsoft Proxy Server 2.0 Microsoft Proxy Server 2.0 Client PC Proxy Array

7. Hierarchical Caching Internet Corporate HQ Client PC Branch Office Client PC Branch Office Microsoft Proxy Server 2.0 Microsoft Proxy Server 2.0 Microsoft Proxy Server 2.0