• data link layer

    The Data-Link Layer is the protocol layer in a program that handles the moving of data in and out across a physical link in a network.

  • The answer to the top 5 virtualization problems

    Transitioning to a virtualized network can be challenging for network engineers, despite the advantages. Understand these top five virtualization problems and how to handle them.

  • vCloud and VEPA: Neither answer is a winner

    vCloud and VEPA fail to address the virtualization networking problem, as both are deemed proprietary and don’t enable networking functions within the vSphere environment.

  • When physical security breaches are the problem

    Network engineers are so busy dealing with intrusion prevention and firewalling that they forget about physical security breaches. Blogger Ethan Banks has some advice.

The OSI Model

Email Alerts

Register now to receive SearchNetworking.com-related news, tips and more, delivered to your inbox.
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy
  • Transport layer

    In the Open Systems Interconnection (OSI) communications model, the Transport layer ensures the reliable arrival of messages and provides error checking mechanisms and data flow controls. 

  • Data-Link layer

    The Data-Link layer is the protocol layer in a program that handles the moving of data in and out across a physical link in a network.