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WAN: (Wide Area Network) A long-distance communications network that covers a wide geographic area, such as a state or country. The telephone companies and cellular carriers deploy WANs to service large regional areas or the entire nation. Large enterprises have their own private WANs to link remote offices, or they use the Internet for connectivity. Of course, the Internet is the world's largest WAN. (Source:

Cloud Connectivity - Simply Does It

Section: Research
  We keep hearing that network connectivity is a problem when considering moving to Cloud services. We’ve heard the doubts and listened to the success stories. So where are we when it comes to Cloud and connectivity?   This report by Freeform Dynamics covers:   -  Introduction -  The majority are positive about Cloud connectivity -  Remote working is widely supported ...   read more

The Falling Costs of Wide Area Networks

Section: Research
Based on pricing data gathered from a selection of Service Providers, we survey what connectivity options are affordable for small and medium-sized businesses. In particular, we examine where wide area networks are today, in particular MPLS and its impact on Wide Area Network costs and based on historic trends, project where they are headed.   We argue that given current trends we are entering an era where sma ...   read more

WAN Application Delivery is the Key to Making Angry Birds Fly

Section: Articles
WAN application delivery—and by necessity, related issues such as data quality, monitoring and optimisation, is one of the biggest behind-the-scenes technologies in the marketplace. It may not get the media attention as do the angry birds that populate the latest mobile games, but how this market shakes out may well make the difference on whether your angry birds catapult across the sky on a timely basis.   According to IDC, WAN application delivery is one of ...   read more

Cisco and Citrix in desktop virtualization partnership

Section: News
IT heavyweights Cisco and Citrix have formed a new desktop virtualization alliance that is expected to improve the deployment of large IT infrastructure solutions. The firms are also hoping that the partnership will result in significant virtualization optimisation - particularly when it comes to virtual desktop deployments over wide area ...   read more

Citrix overhauls server virtualization solution

Section: News
Server virtualization specialist Citrix has overhauled its flagship XenServer 6 product, boosting both scalability and performance in the process. A number of improvements, including the integration of the firm's Open vSwitch technology, are aimed at optimising cloud service delivery. Placeholder0XenServer 6 also incorporates various desktop virtualization enhancements - including optimised end-user experience within its virtual desktop environments, with a greater reliance ...   read more

Compare MPLS and Ethernet for Wide Area Network solutions

Section: Articles
A WAN (Wide Area Network) is a computer network that covers a broad area and its communication links can traverse across metropolitan, regional or national boundaries. Protocols such as Packet over SONET/SDH, MPLS, ATM and Frame relays are often used for the delivery of circuits that are used in WANs.   Multiprotocol Label Switching (MPLS) is a mechanism in high-performance telecommunications networks which directs and carries data from ...   read more

Considerations for Site to Site VPNs

Section: Articles
  A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or individual users with secure access to their organisation's network. The intention of the VPN is to offer the same kind of connectivity options that users receive from leased lines but at lower costs.   ...   read more

MPLS IP VPN explained

Section: Articles
MPLS is a highly scalable, protocol agnostic, data-carrying mechanism in high-performance telecommunications networks which directs and carries data from one network node to the next. It belongs to the family of packet-switched networks and here data is transferred in the form of ‘Packets’ and the data packets are assigned a label and the content of the label alone influences packet forwarding decisions and there is no need to ex ...   read more

Network Connectivity: Considerations on Moving into the Cloud

Section: Articles
Network connectivity, although not widely perceived to be a major obstacle to the adoption of Cloud services, continues to rear its head during discussions of Cloud adoption risks. These concerns are not without cause: many Cloud services are wholly dependent on stable network connectivity for functionality, availability, responsiveness and overall p ...   read more

WAN optimisation can boost desktop virtualization performance

Section: News
A successful WAN optimisation solution can boost the performance of desktop virtualization infrastructure, a leading infrastructure-as-a-service (IaaS) write out expert has claimed. According to Joe Ghory, senior product marketing manager at Riverbed Technology, faster user logins, better graphics performance and an increase to system response times - even down to keyboard and mouse input - can all benefit from optimisation. Placeholder0However, writing for, ...   read more