Networking
Top Stories
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Tip
31 Jul 2026
Understanding the network-as-software transformation
Manual methods no longer cut it as enterprises adopt advanced architectural models. Instead, software-based approaches like NaaS and infrastructure as code are gaining traction. Continue Reading
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News
24 Jul 2026
NetScout doubles AI DDoS defenses after infrastructure buy
NetScout boosts its attack mitigation capacity to 33 Tbps and plans to strengthen integration between its on-premises and cloud-based tools. Continue Reading
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Tip
02 Oct 2023
Building data center networks for GenAI fabric enablement
Network scalability, throughput and orchestration are some of the key elements that enterprises need to consider as they build out generative AI data centers. Continue Reading
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Tip
29 Sep 2023
Network considerations for cloud migration to data center
Performance, security concerns and high costs are factors that prompt organizations to migrate workloads from cloud to data centers. Here's what to consider. Continue Reading
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Tip
26 Sep 2023
Best practices for network automation with Python
Python libraries, version control, documentation and object-oriented programming provide helpful best practices for network engineers tackling network automation with Python. Continue Reading
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Tip
25 Sep 2023
How low Earth orbit satellite networks improve internet access
Compared to traditional satellite setups, LEO satellite internet provides several benefits, such as low latency, reduced costs and better support for remote sites. Continue Reading
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Opinion
22 Sep 2023
Cisco makes big splash with Splunk
The integration of Cisco and Splunk could result in a full-stack offering that provides comprehensive visibility across enterprise locations and AI-driven insights. Continue Reading
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Definition
20 Sep 2023
remote infrastructure management
Remote infrastructure management, or RIM, is a comprehensive approach to handling and overseeing an organization's IT infrastructure, systems and services from a remote location. Continue Reading
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Feature
20 Sep 2023
Cut through 5G hype with the latest insights
Network complexity has made 5G difficult for telecom providers to enable, which has delayed global development. These insights examine the status of 5G. Continue Reading
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Guest Post
15 Sep 2023
Hybrid work drives changes to on-premises networks
Remote and hybrid work are forcing changes to on-premises networks, such as increased bandwidth, upgraded Wi-Fi connectivity and unified network access controls. Continue Reading
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Tip
14 Sep 2023
How enterprises can migrate from IPv4 to IPv6
Both IPv4 and IPv6 are suitable for enterprise networks, but organizations that want to switch over to the latest IP address format can follow a few methods to make the transition. Continue Reading
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Tip
14 Sep 2023
How to use NAPALM for efficient network management
NAPALM is a flexible Python library that can integrate with Ansible modules, support multivendor environments, and ease network management and automation strategies. Continue Reading
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Answer
07 Sep 2023
What are 5G's killer applications?
5G's killer applications have yet to be fully realized -- or defined -- but some potentials include higher capacity, improved connectivity, private 5G and more. Continue Reading
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Guest Post
06 Sep 2023
Empower intelligence at the edge with AI deployment
AI deployment at the edge has the potential to unleash powerful real-time analysis and processing. Use cases include industrial automation, remote monitoring and healthcare. Continue Reading
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Tutorial
05 Sep 2023
Use Angry IP Scanner to audit the network
Angry IP Scanner provides a network scanner alternative to Nmap that is simple, user-friendly and versatile across OSes. Scan types include ping scans, UDP scans and TCP scans. Continue Reading
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Tip
30 Aug 2023
Are wireless networks more energy-efficient than wired LANs?
The quick, complicated answer is yes and no. Wireless can be more energy-efficient than wired, but businesses need to weigh several variables to reap energy savings. Continue Reading
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Feature
30 Aug 2023
SD-WAN consumption to change as NaaS market matures
NaaS is a cloud model that could provide a compelling way for enterprises to consume SD-WAN and other network services. Despite its potential, though, growth projections are slow. Continue Reading
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Tip
25 Aug 2023
How to modernize networks with sustainability in mind
A network modernization project is a good time to consider sustainability initiatives, such as using energy-efficient devices and renewable energy sources. Continue Reading
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News
22 Aug 2023
VMware revamps cloud software for edge management
VMware's new Edge Cloud Orchestrator, formerly VMware SASE Orchestrator, manages VMware's edge compute and SD-WAN systems. Carmaker Audi plans to use the product in its factories. Continue Reading
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News
22 Aug 2023
VMware remakes NSX for companies using multiple clouds
VMware designed NSX+ to simplify multi-cloud networking for customers. The update will eventually replace NSX and the more advanced NSX-T within VMware Cloud. Continue Reading
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Opinion
16 Aug 2023
AI, automation promise bright future for network operations
A closed-loop system can help network operations teams build trust with AI and automation tools that identify network problems, send alerts and recommend repairs. Continue Reading
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Answer
16 Aug 2023
What's the difference between Wi-Fi and the internet?
The internet connects users to the outside world. Wi-Fi connects devices within a business, which then connect to other network devices and out to the internet. Continue Reading
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Tutorial
16 Aug 2023
How to use tcpdump to capture and analyze traffic
Network administrators use tcpdump to analyze traffic in Linux systems. Learn how to install and use tcpdump, as well as examine the results of captured traffic. Continue Reading
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Feature
14 Aug 2023
5 trends for SD-WAN managed services
Enterprises interested in managed SD-WAN must evaluate essential considerations. Top trends include hybrid operations, vendor consolidation and AI-driven networking. Continue Reading
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News
14 Aug 2023
Cisco acquisitions target mostly ThousandEyes, Cloud Security
Cisco has made nine acquisitions this year, with all but two focused on improving internet monitor ThousandEyes as well as security manager and policy administrator Security Cloud. Continue Reading
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Tip
11 Aug 2023
An introduction to quantum networks and how they work
Quantum networks hold potential for faster and more secure communication. But true quantum networks are still experimental and require more engineering and scientific research. Continue Reading
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Tip
09 Aug 2023
Types of Nmap scans and best practices
Nmap scanning helps network teams with network reconnaissance and vulnerability discovery. Common types of scans include TCP SYN, OS detection, vulnerability and version detection. Continue Reading
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News
07 Aug 2023
SDI swaps Cisco wired, wireless LAN for Nile NaaS
Supply chain software maker SDI claims it cut LAN costs by a third with Nile. But Gartner says NaaS is unlikely to become a dominant option for on-premises networking. Continue Reading
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Tip
03 Aug 2023
Network modernization benefits and challenges
The benefits of network modernization include better visibility and automated configuration. The challenges include integration with existing tools and cost concerns. Continue Reading
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Tip
01 Aug 2023
Top 5 benefits of SASE to enhance network security
A cloud-based distributed architecture, centralized management and endpoint-specific security policies are just some of the benefits of Secure Access Service Edge. Continue Reading
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Answer
28 Jul 2023
Networking vs. telecom: What's the difference?
Networking describes how devices interconnect to share resources with each other. Telecom, which includes networking, broadly refers to the exchange of data across long distances. Continue Reading
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Feature
28 Jul 2023
Reasons to build and buy network automation tools
Most enterprises are building and buying network automation tools, and the reasons for both approaches are abundant. Find out why your organization might want to do the same. Continue Reading
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Tip
24 Jul 2023
An introduction to Git for network engineers
Git can be a useful tool for network engineers who manage complex infrastructure, especially as networking increasingly overlaps with software, automation and DevOps. Continue Reading
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Tip
24 Jul 2023
Automation, orchestration software fuel network modernization
In some ways, network modernization means cutting manual configuration errors and relying on automation and orchestration to achieve unified network management. Continue Reading
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Tip
14 Jul 2023
An introduction to smartNICs and their benefits
SmartNICs offload packet processing tasks from server CPUs, freeing up resources for application performance. They can run packet capture and load balancing, among other tasks. Continue Reading
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News
14 Jul 2023
IOTech Edge Connect frees data from factory floor devices
IOTech designed Edge Connect to collect data from operational technology and send it to IT systems that monitor and control devices in manufacturing and other industries. Continue Reading
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Tip
14 Jul 2023
5 techniques to debug network issues in Linux and Windows
Debugging a network issue should start with basic troubleshooting. If that doesn't fix it, admins should check, verify and configure connections to the client, server and network. Continue Reading
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Feature
11 Jul 2023
Network engineer vs. software engineer: What's the difference?
Despite potential overlaps in software skills, the roles of network engineers and software engineers vary in terms of skill sets, salaries, certifications and more. Continue Reading
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Tip
11 Jul 2023
SmartNICs and the need for evolving network infrastructure
SmartNICs can meet the increasing demand for high performance, low latency and secure data transfer. But the implementation of smartNICs requires reliable network infrastructure. Continue Reading
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Tip
10 Jul 2023
What are the elements of modern network security architecture?
Modern network security is a mix of several elements, including secure access service edge, virtualization technologies, segmentation and zero-trust models. Continue Reading
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Opinion
05 Jul 2023
Cisco's vision for Networking Cloud becomes clear
Cisco is focused on simplifying, securing and delivering better experiences across networking, security, collaboration and apps in alignment with its vision to connect anything. Continue Reading
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Tutorial
05 Jul 2023
3 ways to troubleshoot using Wireshark and tcpdump
Protocol analyzer tools, such as Wireshark and tcpdump, can help network administrators identify protocols in the network, analyze network performance and discover network devices. Continue Reading
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Definition
05 Jul 2023
network fabric
'Network fabric' is a general term used to describe underlying data network infrastructure as a whole. Continue Reading
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News
30 Jun 2023
Prosimo offers free multi-cloud connectivity
The new MCN Foundation can find and connect to public clouds and provide visibility. The company's full-stack product powers the limited free version. Continue Reading
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News
29 Jun 2023
Cisco to add SamKnows broadband visibility to ThousandEyes
SamKnows data in ThousandEyes will let enterprises monitor the broadband connections of employees working from home. The information can help companies troubleshoot problems. Continue Reading
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Answer
29 Jun 2023
Traditional networks vs. IoT networks: What's the difference?
An enterprise network is a system of interconnected devices that share information, while IoT is a system of devices connected to the internet that provides key analytics. Continue Reading
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Quiz
28 Jun 2023
10 edge computing quiz questions
Edge computing isn't new, but it has grown in popularity due to 5G and the influx of IoT devices. This quiz covers edge computing basics, such as pros, cons and differentiators. Continue Reading
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Definition
28 Jun 2023
loose coupling
Loose coupling is an approach to interconnecting the components in a system, network or software application so that those components, also called elements, depend on each other to the least extent practicable. Continue Reading
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Tip
26 Jun 2023
What's shaping the future of wireless networking technology?
Cloud-managed Wi-Fi, radio spectrum expansion and the hybrid workplace are some of the converging developments that are modernizing wireless networks. Continue Reading
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News
22 Jun 2023
Cisco acquires Accedian for Network Assurance portfolio
Cisco expects Accedian to bolster its Network Assurance portfolio for service providers. The product line provides network troubleshooting, root-cause analysis, and remediation. Continue Reading
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Definition
21 Jun 2023
logical network
A logical network is a software-defined network topology or routing that is often different than the physical network. Continue Reading
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Definition
19 Jun 2023
peer-to-peer (P2P)
Peer-to-peer (P2P) is a decentralized communications model in which each party has the same capabilities and either party can initiate a communication session. Continue Reading
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Feature
14 Jun 2023
Evaluate top 5G fixed wireless access benefits
Fixed wireless access, when enabled by 5G, makes wireless network connectivity accessible to users at affordable rates. Learn the benefits FWA brings to operators and enterprises. Continue Reading
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Feature
12 Jun 2023
'Tech News This Week' visits Cisco Live 2023
Antone Gonsalves, TechTarget's news director for networking and security, attended Cisco Live 2023. He reflects on the key product launches and gets candid commentary from Enterprise Strategy Group analysts. Continue Reading
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Feature
09 Jun 2023
New Cisco tools aim to enable green networks, data centers
At Cisco Live 2023, Cisco unveiled new products and updates to its portfolio to help organizations create sustainable data center networks as they modernize their infrastructures. Continue Reading
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Guest Post
09 Jun 2023
The networking imperative for AI applications
Networking is vital to support the requirements of AI applications. Technologies such as smartNICs and RDMA can improve efficiency and scalability. Continue Reading
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Feature
08 Jun 2023
NetworkGPT, ChatGPT plugins show promise for NetOps
NetworkGPT, a ChatGPT plugin revealed at Cisco Live 2023, shows the potential of how generative AI can integrate with and support network operations. Continue Reading
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News
06 Jun 2023
Cisco releases plans for Networking Cloud
Cisco's introduction of Networking Cloud lacked technical details and delivery dates for the high-level console for accessing all the company's network management platforms. Continue Reading
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Definition
02 Jun 2023
CAPWAP (Control and Provisioning of Wireless Access Points)
CAPWAP (Control and Provisioning of Wireless Access Points) is a protocol that enables an access controller to manage a collection of wireless termination points. Continue Reading
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Definition
02 Jun 2023
network performance monitoring (NPM)
Network performance monitoring (NPM) is the process of measuring and monitoring the quality of service of a network. Continue Reading
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News
01 Jun 2023
Google interconnects with rival cloud providers
Video platform provider Pexip said Google's Cross-Cloud Interconnect reduced the cost of connecting Google Cloud with Microsoft Azure by eliminating other products. Continue Reading
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Definition
01 Jun 2023
infrared radiation (IR)
Infrared radiation (IR), sometimes referred to simply as infrared, is a region of the electromagnetic radiation spectrum where wavelengths range from about 700 nm to 1 mm. Continue Reading
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Tip
31 May 2023
How to interact with network APIs using cURL, Postman tools
Network engineers can use cURL and Postman tools to work with network APIs. Use cases include getting interface information and manipulating device configuration data. Continue Reading
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Tip
31 May 2023
Modular network design benefits and approaches
Modular network design is a strategic way for enterprises to group network building blocks in order to streamline network maintenance, additions and troubleshooting. Continue Reading
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Feature
31 May 2023
An overview of 802.1X authentication methods and EAP
Enterprises use 802.1X authentication to manage their wireless LANs, and that process relies on the Extensible Authentication Protocol and its various types. Continue Reading
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Feature
30 May 2023
MLB simplifies operations with network automation platform
Network automation enables Major League Baseball to monitor its networks across dozens of stadiums and locations, automate mundane tasks, schedule upgrades and more. Continue Reading
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Definition
25 May 2023
CSU/DSU (Channel Service Unit/Data Service Unit)
A CSU/DSU (Channel Service Unit/Data Service Unit) is a hardware device about the size of a modem. It converts a digital data frame from local area network (LAN) communication technology into a frame appropriate for a wide area network (WAN) and vice versa. Continue Reading
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Feature
24 May 2023
AI in network management poses challenges for network pros
Research shows that, while AI helps increase business success, network pros struggle to use it more than their peers. Find out how organizations can encourage network pros to use AI. Continue Reading
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Definition
24 May 2023
data streaming
Data streaming is the continuous transfer of data from one or more sources at a steady, high speed for processing into specific outputs. Continue Reading
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Tip
18 May 2023
9 ways to make network modernization work
More cloud computing, container networking and network capacity are some of the ways businesses could modernize their networks. AI and automation can help, too. Continue Reading
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Definition
16 May 2023
Network Configuration Protocol (NETCONF)
The Network Configuration Protocol (NETCONF) is an Internet Engineering Task Force (IETF) network management protocol that provides a secure mechanism for installing, manipulating and deleting the configuration data on a network device such as a firewall, router or switch. Continue Reading
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News
16 May 2023
SONiC NOS faces challenges fitting in with mainstream
Gartner estimates that fewer than 200 enterprises have SONiC in production, out of a potential data center market of 100,000. One startup describes the NOS as 'a mess' to deploy. Continue Reading
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Definition
15 May 2023
RS-232C
RS-232C is one of the earlier versions of the long-established standard RS-232, which defines a physical interface for relatively low-speed serial data communication between computers and related devices. Continue Reading
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Answer
15 May 2023
5 common network services and their functions
DHCP, DNS, NTP, 802.1x, and CDP and LLDP are some of the most common services network administrators use to secure, troubleshoot and manage enterprise networks. Continue Reading
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Definition
15 May 2023
frequency band
In telecommunications, a frequency band -- sometimes called a band -- refers to a specific range of frequencies in the electromagnetic frequency spectrum assigned to certain applications. Continue Reading
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Definition
12 May 2023
operational support system (OSS)
An operational support system (OSS) is a set of programs that helps a communications service provider monitor, control, analyze and manage a telephone or computer network. Continue Reading
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Tip
12 May 2023
Python interpreter vs. IDE: What network engineers should know
When using Python for network automation, network engineers often work with interpreters and integrated development environment tools to test modules and debug code. Continue Reading
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Answer
11 May 2023
What are the advantages and disadvantages of CLI and GUI?
An old-fashioned command-line interface still has some advantages over its counterpart, the graphical user interface, when managing network devices. See how CLI and GUI stack up. Continue Reading
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Feature
10 May 2023
LA County Registrar's network extends voting accessibility
LA County Registrar's modernized network uses technologies such as 5G, SD-WAN and AI in voting centers across the county to make voting more accessible to constituents. Continue Reading
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Opinion
09 May 2023
Aruba Atmosphere '23 emphasizes agility matters
HPE Aruba Networking positioned its Atmosphere conference as looking at what comes next, but the subtext was all about agility as the company tightens its integration. Continue Reading
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Definition
09 May 2023
mutual exclusion (mutex)
In computer programming, a mutual exclusion (mutex) is a program object that prevents multiple threads from accessing the same shared resource simultaneously. Continue Reading
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Tip
08 May 2023
7 factors to consider in network redundancy design
Network pros should consider multiple factors when adding redundancy to network design, including network equipment, protocols, backup, processing and subnet connections. Continue Reading
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Tip
04 May 2023
Review the components of VMware SASE Platform
VMware SASE Platform provides many strong networking and security capabilities, but it comes in an offering that feels like many individual products packaged together. Continue Reading
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News
03 May 2023
Baptist Health leaves Cisco for Arista
Baptist Health in Jacksonville, Fla., expects Arista's single wired, wireless and data center network operating system to eliminate partial outages during infrastructure upgrades. Continue Reading
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Definition
02 May 2023
graceful degradation
Graceful degradation is the ability of a computer, machine, electronic system or network to maintain limited functionality even when a large portion of it has been destroyed or rendered inoperative. Continue Reading
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Feature
02 May 2023
7 characteristics of next-generation networking
Network modernization has become important for many organizations. Discover which technologies -- such as SASE, AI, automation and more -- can help build next-generation networks. Continue Reading
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Guest Post
01 May 2023
The creeping threat and challenges of multivendor SD-WAN
Geographic considerations are often a key reason why organizations adopt multivendor SD-WAN. But these network environments have significant disadvantages. Continue Reading
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Tip
28 Apr 2023
The pros and cons of VPNs for enterprises
VPNs use different protocols and encryption to protect data and prevent unauthorized users from accessing company resources. But those protocols come with their own benefits and challenges. Continue Reading
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Definition
28 Apr 2023
fax
A fax -- short for 'facsimile' and sometimes called 'telecopying' -- is the telephonic transmission of scanned-in printed material, including text or images. Continue Reading
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Definition
28 Apr 2023
Clos network
A Clos network is a type of nonblocking, multistage switching network used today in large-scale data center switching fabrics. Continue Reading
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Tip
27 Apr 2023
6 steps for rapid geographic network segmentation
When segmenting network operations in certain parts of the world, modular network design and geographic domain definition are two vital elements to consider. Continue Reading
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Feature
26 Apr 2023
How ChatGPT can assist with network management
Network professionals can use ChatGPT as a tool to automate mundane processes, write code, design networks and perform other tasks related to network management. Continue Reading
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Feature
25 Apr 2023
The benefits of digital twin networks
Digital twin networks use historical and real-time data to simulate a network. That data results in benefits around network visibility, training, security and compliance. Continue Reading
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Definition
24 Apr 2023
collision in networking
In a half-duplex Ethernet network, a collision is the result of two devices on the same Ethernet network attempting to transmit data at the same time. Continue Reading
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Definition
24 Apr 2023
keystone jack
A keystone jack is a female connector used in audio, video and data communications. It serves as a receptacle for a matching plug, which is a male connector of the same type as the jack. Continue Reading
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Definition
24 Apr 2023
encapsulation (object-orientated programming)
In object-oriented programming (OOP), encapsulation is the practice of bundling related data into a structured unit, along with the methods used to work with that data. Continue Reading
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Definition
21 Apr 2023
baseband
Baseband in the transmission of communications signals means only one path is available to send and receive digital signals between devices. Continue Reading
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Definition
20 Apr 2023
broadband
Broadband refers to telecommunications in which a wide band of frequencies is available to transmit information. Continue Reading
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Answer
19 Apr 2023
In WAN evolution, is software-defined now implied?
Networking trends and innovations, such as automation and network as a service, have started to ingrain software-defined principles into WAN environments. Continue Reading
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Definition
18 Apr 2023
Manchester encoding
In data transmission, Manchester encoding is a form of digital encoding in which a data bit's state -- 0 or 1 -- is represented by the transition from one voltage level to another. Continue Reading
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Tip
17 Apr 2023
SD-WAN and MPLS costs more complementary than clashing
An SD-WAN vs. MPLS cost comparison is not always an either-or decision. Organizations often implement both technologies to enhance network traffic performance. Continue Reading
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Tip
11 Apr 2023
SD-WAN vs. VPN: How do they compare?
When comparing SD-WAN and VPN, enterprises choosing between the two technologies should consider factors like cost, management and routing intelligence. Continue Reading