1. Applications over the WAN Growth is in ‘Voice over the WAN’ (doubling over the next year) Mature applications expected to remain stable Some growth in videoconferencing NB: Little variation in ‘change’ by Country, Sector or Size of Company, but UK is ahead of the game UK 35% 60% 19% 25% 44% 68% 69% 76% 79% 8% 5% Source: IDC, European WAN Manager Survey 2005 - 660 end-user organizations across 10 countries

2. WAN – Changing Architectures Across Europe IPVPNs are taking over from legacy networks WANs in the UK Plans to stop using: Frame Relay 45.2 % ATM18.8 % X.2541.7 % Point-to-point20.0 % Source: IDC, European WAN Manager Survey 2005 - 660 end-user organizations across 10 countries

3. MPLS – Ubiquitous Secure Access Service Provider Integrated services management Single Network Solution for all users Virtual Private Network Integrated Network Connection Off Net Dial User Remote site Proxy Server IP MPLS Network Alternative Private Network Internet Leased Line LES Broadband Dial/Mobile Regional Site CRM NOC HQ Small Site Extranet Partner Dial User Leased Line

4. WAN – Access Technologies DSL is now by far the most popular access technology Many opportunities to migrate access methods (e.g. from dial up) UK = 40% UK = 28% UK = 8% UK = 15% UK = 8% Proportion of total site connections into WAN Source: IDC, European WAN Manager Survey 2005 - 660 end-user organizations across 10 countries