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Considerations for SASE management and troubleshooting

SASE opens new territory for network and security management and troubleshooting. Ultimately, teams should look for system usability and visibility into traffic flows and policies.

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Definitions
  • network engineer

    A network engineer is a technology professional who has the necessary skills to plan, implement and oversee the computer networks that support in-house voice, data, video and wireless network services.

  • network performance monitoring

    Network performance monitoring is a process of measuring and monitoring the quality of service of a network to understand if it is properly operating.

  • software-defined networking (SDN)

    Software-defined networking (SDN) is an architecture that abstracts different, distinguishable layers of a network in order to make networks agile and flexible.

Browse Networking Topics

Campus LAN

As enterprises continue to invest in campus LAN environments, adding new software and networking components will allow them to handle an ever-growing amount of traffic. Read expert advice, along with the latest news, about the technologies being used to retool campus area network design. See why campus LANs are now supporting more complex applications and services.

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  • Internet

    The Internet, sometimes called simply "the Net," is a worldwide system of computer networks -- a network of networks in which users at any one computer can, if they have permission, get information from any other computer (and sometimes talk directly to users at other computers).

  • edge router

    An edge router is a specialized router located at a network boundary that enables an internal network to connect to external networks.

  • thin client (lean client)

    A thin client (or lean client) is a virtual desktop computing model that runs on the resources stored on a central server instead of a computer's resources.

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Data Center

Learn about data center networking considerations, including evolving data center network architectures and components, emerging data center network protocols and standards, and converged data center and storage networks.

Recent Definitions

  • network performance monitoring

    Network performance monitoring is a process of measuring and monitoring the quality of service of a network to understand if it is properly operating.

  • cloud networking

    Cloud networking is when some or all of an organization's networking resources are hosted in the cloud.

  • Secure Access Service Edge (SASE)

    Secure Access Service Edge, also known as SASE -- pronounced 'sassy' -- is a cloud architecture that bundles network and security solutions together and delivers them as a unified cloud service.

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Infrastructure

Advancements in enterprise hardware and network protocols are allowing network pros to take advantage of new technologies to design and implement logical and physical LANs that contribute to business success. In our network infrastructure section, find out what you need to know to design your enterprise local area network infrastructure, including 10/100/100 Ethernet and switching technology, green networking initiatives, PoE, VLANs, and information on IP addressing, subnetting, TCP/IP and network routing protocols.

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Network management

Enterprises must be able to accurately track network performance to ensure users can access the applications they need. Find out about the latest trends shaping network monitoring software and tools, including expert advice about the steps companies should take to best manage their networks.

Recent Definitions

  • network engineer

    A network engineer is a technology professional who has the necessary skills to plan, implement and oversee the computer networks that support in-house voice, data, video and wireless network services.

  • network visibility

    Network visibility is an awareness of the components within and the data moving through an enterprise computer network.

  • edge device

    An edge device is any piece of hardware that controls data flow at the boundary between two networks.

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Network Security

Here you'll find network security resources for selecting and implementing security devices and maintaining secure networks. Find out how to design a secure network perimeter, where to locate a firewall and whether you need network access control.

Recent Definitions

  • What is zero trust? Ultimate guide to the network security model

    Zero trust is a security strategy that assumes all users, devices and transactions are already compromised. The zero trust model requires strict identity and device verification, regardless of the user’s location in relation to the network perimeter.

  • network security

    In information technology, network security is the act of maintaining the integrity of a computer network and the data within it.

  • microsegmentation

    Microsegmentation is a technique used to divide a network into logical and secure units through the application of policies that dictate how data and applications are accessed and controlled.

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Networking careers

Learn about networking certification and career resources to help engineers, managers, and architects and specialists hone their networking skills. Read about the most popular certifications, including Cisco's CCNA, CCNP, CCIE certifications, and learn how SDN, automation and other technologies are changing the way networking pros design and manage today's networks.

Recent Definitions

  • network engineer

    A network engineer is a technology professional who has the necessary skills to plan, implement and oversee the computer networks that support in-house voice, data, video and wireless network services.

  • MCSA (Microsoft Certified Solutions Associate)

    MCSA (Microsoft Certified Solutions Associate) is a certification program intended for people who seek entry-level jobs in an information technology (IT) environment.

  • Cisco Certified Entry Networking Technician (CCENT)

    Cisco Certified Entry Networking Technician (CCENT) is a now-retired certification offered by Cisco, as part of their certification program.

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SDN

Software-defined networking architecture offers a new way to oversee network control, cloud connectivity and application performance. Explore SDN's benefits and disadvantages and catch up on the latest news and trends while learning about SDN's part in the networking industry's broader move to software-based networking.

Recent Definitions

  • software-defined networking (SDN)

    Software-defined networking (SDN) is an architecture that abstracts different, distinguishable layers of a network in order to make networks agile and flexible.

  • SD-branch

    SD-branch is a single, automated, centrally managed software-centric platform that replaces or supplements an existing branch network architecture.

  • SD-WAN (Software-defined WAN)

    Software-defined WAN (SD-WAN) is technology that uses software-defined networking (SDN) concepts to distribute network traffic across a wide area network (WAN).

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Telecom networks

Learn about traditional and emerging telecommunications networking technology, including core, access and metro network infrastructure for global, national and regional wired and wireless service provider networks. Beyond network infrastructure, find expert advice on telecom business issues and network operations.

Recent Definitions

  • telecommunications (telecom)

    Telecommunications, also known as telecom, is the exchange of information over significant distances by electronic means and refers to all types of voice, data and video transmission.

  • millimeter wave (MM wave)

    Millimeter wave (MM wave), also known as millimeter band, is the band of spectrum with wavelengths between 10 millimeters (30 GHz) and 1 millimeter (300 GHz).

  • 5G new radio (NR)

    5G new radio, or 5G NR, is a set of standards that replace the LTE network 4G wireless communications standard.

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WAN

Wide area network connections allow companies to access and share corporate resources among distributed sites. Discover more about available WAN technologies and services and how organizations can use them to aptly meet business requirements. Learn about factors such as the number of company sites, location, security and bandwidth needs when assessing WAN requirements.

Recent Definitions

  • network slicing

    Network slicing overlays multiple virtual networks on top of a shared network.

  • Cisco Performance Routing (PfR)

    Cisco Performance Routing (PfR) is a way of sending network packets based on intelligent path control.

  • WAN optimization (WAN acceleration)

    WAN optimization -- also known as WAN acceleration -- is the category of technologies and techniques used to maximize the efficiency of data's flow across a wide area network (WAN), between organizations' centralized data centers and their remote locations.

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SearchCompliance

SearchSecurity

  • cyber attack

    A cyber attack is any attempt to gain unauthorized access to a computer, computing system or computer network with the intent to ...

  • backdoor (computing)

    A backdoor is a means to access a computer system or encrypted data that bypasses the system's customary security mechanisms.

  • post-quantum cryptography

    Post-quantum cryptography, also called quantum encryption, is the development of cryptographic systems for classical computers ...

SearchHealthIT

SearchDisasterRecovery

  • risk mitigation

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

  • call tree

    A call tree is a layered hierarchical communication model that is used to notify specific individuals of an event and coordinate ...

  • Disaster Recovery as a Service (DRaaS)

    Disaster recovery as a service (DRaaS) is the replication and hosting of physical or virtual servers by a third party to provide ...

SearchStorage

  • cloud SLA (cloud service-level agreement)

    A cloud SLA (cloud service-level agreement) is an agreement between a cloud service provider and a customer that ensures a ...

  • NOR flash memory

    NOR flash memory is one of two types of non-volatile storage technologies.

  • RAM (Random Access Memory)

    RAM (Random Access Memory) is the hardware in a computing device where the operating system (OS), application programs and data ...

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