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Bring yourself up to speed with our introductory content.

• presentation layer

  Residing at Layer 6 of the Open Systems Interconnection (OSI) communications model, the presentation layer ensures that the communications that pass through it are in the appropriate form for the recipient application. Continue Reading

• 5G

  Fifth-generation wireless, or 5G, is the latest iteration of cellular technology, engineered to greatly increase the speed and responsiveness of wireless networks. Continue Reading

• Understand the basics of 5G wireless networks

  5G wireless networks offer enterprises a lot of intriguing possibilities. What exactly is 5G, and what has to happen before the high-speed, low-latency technology becomes a reality? Continue Reading

• Power over Ethernet (PoE)

  Power over Ethernet (PoE) is a technology for wired Ethernet local area networks (LANs) that allows the electrical current necessary for the operation of each device to be carried by the data cables rather than by power cords. Continue Reading

• Application layer

  Sitting at Layer 7 -- the very top of the Open Systems Interconnection (OSI) communications model -- the application layer provides services for an application program to ensure that effective communication with another application program on a ... Continue Reading

• Definitions to Get Started

  • presentation layer
  • 5G
  • Power over Ethernet (PoE)
  • Application layer

  • physical layer
  • transport layer
  • Network layer
  • Data-Link layer

  View All Definitions

• physical layer

  Located at the lowest layer of the Open Systems Interconnection (OSI) communications model, the physical layer's function is to transport data using electrical, mechanical or procedural interfaces.Continue Reading

• transport layer

  Positioned at Layer 4 of the Open Systems Interconnection (OSI) communications model, the transport layer ensures the reliable arrival of messages across a network and provides error-checking mechanisms and data flow controls.Continue Reading

• Network layer

  Located at Layer 3 of the Open Systems Interconnection (OSI) communications model, the network layer's primary function is to move data into and through other networks.Continue Reading

• Data-Link layer

  The data link layer is the protocol layer in a program that handles the moving of data into and out of a physical link in a network.Continue Reading

• What cloud data center interconnect technologies can do

  Data center interconnect technologies and services now use cloud. Learn how CDCI improves traffic delivery and how to choose the right equipment and services.Continue Reading

• fault management

  Fault management is the component of network management concerned with detecting, isolating and resolving problems.Continue Reading

• bandwidth

  Bandwidth is the capacity of a wired or wireless network communications link to transmit the maximum amount of data from one point to another over a computer network or internet connection in a given amount of time -- usually one second.Continue Reading

• network configuration management (NCM)

  Network configuration management is the process of organizing and maintaining information about all the components of a computer network.Continue Reading

• Meet network management goals with new tech and techniques

  Get up to speed on the new technological advances, improved products and advanced techniques that make enterprise network monitoring and management a bit less daunting.Continue Reading

• managed network services

  Managed network services are networking applications, functions and services that enterprises outsource to be remotely operated, monitored and maintained by a managed service provider (MSP).Continue Reading