Network protocols and standards

  • Network engineering overview: Technology

    Network engineering requires a firm grasp of technology. This overview covers frameworks, standards and products. This tip is the first in a four-part series on things network engineers need to know to be effective.  Continue Reading

  • Get ready for TCP/IP in Windows Vista

    Network engineers in organizations moving toward Windows Vista need to know about changes made to the TCP/IP stack in the upcoming operating system. That good news is that these changes intend to provide improved reliability and performance over ...  Continue Reading

  • Binary-to-decimal conversion

    Binary to decimal conversion is explained in this tip on how a network device uses its IP address, subnet mask and default gateway information.  Continue Reading

  • Fix before breaking

    The tried-and-true standard of TCP/IP isn't able to meet today's high performance demands and we must turn to new schemes for network transport. Here we look at some alternatives.  Continue Reading

  • Understanding the NNTP protocol

    Everyone knows about peer-to-peer programs such as Napster, Kazaa, amongst others. How many people though know about binary newsgroups? Probably not many. These binary newsgroups are based on the NNTP protocol, which is the focus of this tip.  Continue Reading

  • Free RSS readers: What you need to know

    Do you RSS? If "Really Simple Syndication" is foreign to you, this tip will bring you up to speed by introducing how the increasingly popular news-feed technology works and how you can use it to keep yourself informed.  Continue Reading

  • WCCP

    WCCP is a relatively new protocol that allows routers to talk to your cache server. It isn't a routing protocol in the traditional sense, but it may be directing traffic around your network in the near future. Tom Lancater helps you familiarize ...  Continue Reading

  • Router numbers

    Many of the routing protocols implemented in Cisco's IOS require a number to follow the command that enables the routing protocol in question. If you're new to routing, these numbers can be a little confusing, as they mean something different to ...  Continue Reading

  • Troubleshooting multi-protocol gotchas

    A network containing more than one routing protocol can experience routing loops or black-holed traffic when similar routes collide. Tom Lancaster provides advice for troubleshooting your multi-protocol network in this tip.  Continue Reading

  • IPv6 security

    IPv6 security is supposedly enhanced with IPSec built in, but don't get overconfident. While IPv6 does have security issues, you should also be aware of how it can be used to break into IPv4 networks.  Continue Reading

  • IPv6 Audiocast

    Download this audiocast and learn what IPv6 is, why you should care about it, and how it will affect information technology and your networking job in the future  Continue Reading