Browse Definitions :


IT and business professionals in almost every sector of the Telecom industry rely on for expert insight, technical tips and valuable best practices on Core and Access Networks, IPTV, Fixed Mobile Convergence, VoIP, WiFi/WiMax, Wireless and Mobile Devices, MPLS, Service Areas, Network Operations and more. is one of the largest and most active online communities dedicated to solving the unique technical problems within the telecommunications industry.

View the complete archive of Enterprise Telecom Management news, research and expert advice.

Go to:  SearchTelecom

Recently on  SearchTelecom

dense wavelength division multiplexing

Dense wavelength division multiplexing (DWDM) is a technology that puts together -- multiplexes -- data signals from different sources so they can share a single optical fiber pair while maintaining complete separation of the data streams.

More Highlights
  • DWDM

    Dense wavelength division multiplexing (DWDM) is a technology that puts together -- multiplexes -- data signals from different sources so they can share a single optical fiber pair while maintaining complete separation of the data streams.

  • Meet the Editors

    Meet the Editors

  • fiber optic

    Fiber optics, or optical fiber, refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic strand or fiber.


Browse Telecom Topics

Core & Access Networks

Telecom networks are one of the most complex systems in the world, from the core network equipment all the way out to the access network technologies. Here you'll find resources on designing, implementing and routing telecom networks, as well the many technologies and protocols they use, specifically MPLS, VoIP, carrier Ethernet and optical technologies.

Recent Definitions

  • Network protocol

    A network protocol is a set of established rules that dictates how to format, transmit and receive data so computer network devices -- from servers and routers to endpoints -- can communicate regardless of the differences in their underlying infrastructures, designs or standards.

  • least cost routing (LCR)

    Least cost routing (LCR) is a process that allows telecommunications providers to select the lowest cost carrier for bandwidth provision for their voice communications.

  • optical network (photonic network)

    An optical (photonic) network transmits information as optical rather than electronic signals: It uses light, not electrical currents, to convey data.


More Core & Access Networks Topics

Back to Top

Telecom Business Issues

Telecommunications service providers are more essential to businesses and consumers than ever before, but even as their services become must-haves, they face increasing pressure to reduce operational costs while increasing revenue. This section addresses running the business of telecommunications, and the importance of average revenue per user (ARPU) and return on investment (ROI).

Recent Definitions

  • communication service provider (CSP)

    Communication service provider (CSP) is the broad title for a variety of service providers in broadcast and two-way communications services.

  • CDN (content delivery network)

    A CDN (content delivery network), also called a content distribution network, is a group of geographically distributed and interconnected servers that provide cached internet content from a network location closest to a user to accelerate its delivery.

  • 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).


More Telecom Business Issues Topics

Back to Top

Telecom Network Operations

Telecom network operations on a global scale involve the coordination of many disciplines and requires extreme skill and precision. Operations are changing dramatically to adapt to IP networking. In this section, you'll find resources on service delivery platforms, telecom network management, security and OSS/BSS for carrier networks.

Recent Definitions

  • network service provider (NSP)

    A network service provider (NSP) is a company that owns, operates and sells access to internet backbone infrastructure and services.

  • multi-channel network (MCN)

    A multi-channel network (MCN) is a company or entity that works with multiple channels and content creators, consulting or assisting towards success on streaming video platforms such as YouTube.

  • virtual network functions (VNF)

    Virtual network functions (VNFs) are virtualized tasks formerly carried out by proprietary, dedicated hardware. VNFs move individual network functions out of dedicated hardware devices into software that runs on commodity hardware.


More Telecom Network Operations Topics

Back to Top

Wireless and Mobile Carrier Networks

The mobile industry is one of the fastest growing on the planet. Wireless carriers are growing at amazing speeds to adapt to customer demands for increased mobile devices and services. In this section, you'll find resources to help you build up your mobile and cellular infrastructure, implement fixed mobile convergence and IMS (IP Multimedia Subsystem), and accommodate the increasing need for wireless broadband access.

Recent Definitions

  • radio access network (RAN)

    A radio access network (RAN) is the part of a telecommunications system that connects individual devices to other parts of a network through radio connections.

  • 5G

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

  • municipal broadband

    Municipal broadband is high-bandwidth internet access that is funded either in part or completely by municipal government.


More Wireless and Mobile Carrier Networks Topics

Back to Top



  • regulatory compliance

    Regulatory compliance is an organization's adherence to laws, regulations, guidelines and specifications relevant to its business...

  • Whistleblower Protection Act

    The Whistleblower Protection Act of 1989 is a law that protects federal government employees in the United States from ...

  • smart contract

    A smart contract, also known as a cryptocontract, is a computer program that directly controls the transfer of digital currencies...


  • RSA algorithm (Rivest-Shamir-Adleman)

    The RSA algorithm is the basis of a cryptosystem -- a suite of cryptographic algorithms that are used for specific security ...

  • remote access

    Remote access is the ability to access a computer or a network remotely through a network connection.

  • IP Spoofing

    IP spoofing is the crafting of Internet Protocol (IP) packets with a source IP address that has been modified to impersonate ...



  • virtual disaster recovery

    Virtual disaster recovery is a type of DR that typically involves replication and allows a user to fail over to virtualized ...

  • tabletop exercise (TTX)

    A tabletop exercise (TTX) is a disaster preparedness activity that takes participants through the process of dealing with a ...

  • risk mitigation

    Risk mitigation is a strategy to prepare for and lessen the effects of threats faced by a data center.


  • enterprise storage

    Enterprise storage is a centralized repository for business information that provides common data management, protection and data...

  • disk array

    A disk array, also called a storage array, is a data storage system used for block-based storage, file-based storage or object ...

  • optical storage

    Optical storage is any storage type in which data is written and read with a laser. Typically, data is written to optical media, ...