Networking tutorials

SearchNetworking.com’s tutorials are a great resource for technical tips and valuable best practices on routing, switching, network security, network/systems management, convergence/VoIP and wireless LANs, so that IT professionals can keep their networks up to date and cope with constant change. Whether you are looking for advice on implementing a new technology or seeking new cost-saving strategies to improve the performance of your current network, our tutorials can provide guidance for a myriad of networking issues.

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VLAN guide for networking professionals 
For years, virtual LANs have played an important role in basic enterprise networking, enabling engineers to segment portions of their networks for security, management and scalability. The emergence of virtualization and cloud computing networks only makes understanding VLAN implementation more important. VLANs are key to providing management in a world of virtualization, even where virtual machines are constantly migrating, challenging the very basics of network management. In this guide, learn about old and new uses of VLANs in everything from wireless LANs to data center networks.

10 Gigabit Ethernet tutorial 
In this SearchNetworking.com Guide, learn how choosing the right cabling can affect 10 Gigabit Ethernet distance, speed and overall performance. Also, see how 10 Gigabit Ethernet networks can result in data center optimization by introducing flexibility and preventing latency. Finally, learn how upcoming 10 Gigabit Ethernet protocols will address the challenge of packet loss and enable more effective traffic prioritization in the network.

Introduction to firewalls 
What is a network firewall? What types of firewalls are there, and which kind best protects enterprise data? All of these questions, and more, are answered in our network security firewall guide. This tutorial will help you learn every kind of firewall -- from unified threat management (UTM) to proxys -- and give you advice on firewall purchasing, firewall placement and firewall maintenance and management.

802.11n design best practices 
In the this tutorial you’ll discover best practices for designing and deploying 802.11n, a wireless LAN (WLAN), from RF design and band/channel selection to access point placement for coverage and capacity. After reading this section, you will understand where to start when adding 802.11n to your wireless LAN and the key factors that must be considered during the design process.

Cloud computing network primer 
The definition of cloud computing changes readily, so the definition of cloud computing networks changes as well. Ultimately, the goal of cloud computing – regardless of model – is to create a fluid pool of resources across servers and data centers that enable users to access stored data and applications on an as-needed basis. Cloud computing networks, therefore, have two missions: to enable the movement of that pool as a single virtual resource, and to connect users to these resources regardless of location.

This was first published in February 2011

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