A key trend in the connectivity space over the last year was the escalation of Multi Protocol Label Switching (MPLS) based VPN. With the evolution of multi-protocol label switching, virtual private networks are poised to herald a radical shift in the world of network computing. MPLS VPN became a preferred choice over frame relay. Another trend over the last year was that most enterprises focused on creating highly agile and redundant networks, where MPLS VPN emerged as a trusted WAN connectivity option.