IP Networking

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  • Subnetting to increase performance

    There comes a time when a network becomes too big and performance begins to suffer as a result of too much traffic. When that happens, one of the ways that you can solve the problem is by breaking the network into smaller pieces using subnets. 

  • Using route analytics to ensure that 'best practices' for routing maintenance really work

    IP routing is one of network management's most complex domains. And no wonder: not only are routing protocols highly automated and distributed in nature, but routing errors can have a large-scale, sometimes calamitous, impact on quality and availab... 

  • FastFacts on TCP/IP

    TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic communication language or protocol of the Internet. It can also be used as a communications protocol in a private network (either an intranet or an extranet). When you are set up w... 

  • Advanced router configuration and management: Crash Course

    Once you've mastered the basics, it's time to learn some of the more advanced features of the router. Check out these informative tips and indepth technical advice and take your router knowledge to the next level. 

  • Best practices for DNS on a new domain

    ITKnowledge Exchange member "TheVyrys" had a question about what happens with the DNS when changing a domain name; read the advice other forum members gave. 

  • Learning Guide: SIP

    In this guide, you'll find out what SIP is, how it works, which applications are SIP friendly, what compatibility and interoperability issues surround SIP and more. 

  • Enterprise VoIP systems

    Find out what you need to know about IP PBXs, hybrid PBXs and how to select the right hardware and desktop devices to meet the communication needs of your organization. 

  • Management and QoS

    Packet losses, network jitters, latency and many other factors contribute to QOS measurements. Learn how defining traffic policies and tracking performance can ultimately reduce support and product revision costs. 

  • Making the IP voice decision

    Making the decision to move to a VoIP solution is no longer an "if" question, it's a matter of when and how. VoIP can significantly reduce the cost of voice communication, improve an enterprise's overall competitiveness and streamline processes in ev... 

  • Network readiness: The first step toward IP telephony

    Deploying IP telephony means more than making a few simple changes to the average network. Where can a company start on the road to a robust IP telephony network? A network readiness assessment is the best place to begin.