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Growth of Voice over WAN and Shifts in Network Architectures Across Europe

The demand for Voice over WAN applications is set to double over the next year, while mature applications are expected to stabilize. Videoconferencing is also experiencing some growth, with the UK leading in innovation. According to the IDC European WAN Manager Survey 2005, legacy networks are being phased out in favor of IPVPNs, with significant plans to discontinue Frame Relay, ATM, and X.25 usage. DSL has become the most popular access technology, offering numerous migration opportunities for organizations across Europe.

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Growth of Voice over WAN and Shifts in Network Architectures Across Europe

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  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% 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 % ATM 18.8 % X.25 41.7 % Point-to-point 20.0 % Source: IDC, European WAN Manager Survey 2005 - 660 end-user organizations across 10 countries

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

  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) Proportion of total site connections into WAN UK = 8% UK = 15% UK = 40% UK = 8% UK = 28% Source: IDC, European WAN Manager Survey 2005 - 660 end-user organizations across 10 countries

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