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Aligning SIP requirements to WAN infrastructure takes time

What you need to measure when evaluating SIP services from your WAN services provider.


The best VPNs for enterprise use

This slideshow highlights the best VPNs used in enterprise wide-area networks (WANs) and offers principles for designing and implementing virtual private network (VPN) clients in the enterprise.

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How to set up an Italian WAN without leaving your office

Provisioning and deploying a WAN and VPN is an everyday function for engineers. But can you do that for an office 4,000 miles away without leaving your office?


Three new takes on WAN optimization

Once considered new technology, WAN optimization is now widespread, and enterprises are including it in their networks from the start. Now that WAN optimization is mature, what's the next step for WAN management? Application delivery optimization ...

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Wide Area Network (WAN) Basics

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    ISDN (Integrated Services Digital Network)

    ISDN (Integrated Services Digital Network) is a set of CCITT/ITU standards for digital transmission over ordinary telephone copper wire, as well as over other media.

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    File Transfer Protocol (FTP)

    File Transfer Protocol (FTP) is a client-server standard used to transfer files between computers over the Internet using control and data channels.

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    Network Address Translation (NAT)

    A NAT (Network Address Translation or Network Address Translator) is the virtualization of Internet Protocol (IP) addresses.

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