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Cisco's Silicon One networking chip targets cloud data centers
Cisco's Silicon One chip launch demonstrates a willingness to embrace white box routers in the hyperscale data centers of cloud providers.
More Highlights
- 7 factors to consider in network redundancy design
Network pros have multiple factors to consider when it comes to adding redundancy in network design, including network equipment, protocols, backup, processing and subnet connections.
- Silver Peak SD-WAN orchestrator scales to thousands of sites
Silver Peak has launched a cloud-based SD-WAN orchestrator that provides centralized control of multiple Unity Orchestrators deployed in separate locations.
- How do I choose the right network automation tools or platform?
In your organization's search for the best network automation platform for business operations, compare the pros and cons of proprietary and open source tools.
Definitions
- Multiprotocol Label Switching (MPLS)
Multiprotocol Label Switching (MPLS) is a protocol-agnostic routing technique designed to speed up and shape traffic flows across enterprise wide area and service provider networks.
- bandwidth
Network 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.
- Asynchronous
In general, asynchronous -- pronounced ay-SIHN-kro-nuhs, from Greek asyn-, meaning "not with," and chronos, meaning "time" -- is an adjective describing objects or events that are not coordinated in time.
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.
Recent Definitions
- Multiprotocol Label Switching (MPLS)
Multiprotocol Label Switching (MPLS) is a protocol-agnostic routing technique designed to speed up and shape traffic flows across enterprise wide area and service provider networks.
- Routing Information Protocol (RIP)
Routing Information Protocol (RIP) is a distance vector protocol that uses hop count as its primary metric.
- nslookup
nslookup is the name of a program that lets an Internet server administrator or any computer user enter a host name (for example, "whatis.com") and find out the corresponding IP address or domain name system (DNS) record.
Highlights
- 4 SD-WAN vendors integrate with AWS Transit Gateway
- Assess the Wi-Fi 6 features available in Wave 1 and Wave 2
- Understanding the evolution of Ethernet
More Campus LAN Topics
Back to TopData 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
- bandwidth
Network 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.
- dynamic and static
In general, dynamic means energetic, capable of action and/or change, or forceful, while static means stationary or fixed.
- SDN controller (software-defined networking controller)
An SDN controller is an application in a software-defined networking (SDN) architecture that manages flow control for improved network management and application performance.
Highlights
- 4 SD-WAN vendors integrate with AWS Transit Gateway
- What are the benefits and challenges of AI network monitoring?
- 3 networking startups rearchitect routing
More Data Center Topics
Back to TopInfrastructure
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.
Recent Definitions
- Multiprotocol Label Switching (MPLS)
Multiprotocol Label Switching (MPLS) is a protocol-agnostic routing technique designed to speed up and shape traffic flows across enterprise wide area and service provider networks.
- bandwidth
Network 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.
- DHCP (Dynamic Host Configuration Protocol)
DHCP (Dynamic Host Configuration Protocol) is a network management protocol used to dynamically assign an Internet Protocol (IP) address to any device, or node, on a network so they can communicate using IP.
Highlights
- 7 factors to consider in network redundancy design
- Assess the Wi-Fi 6 features available in Wave 1 and Wave 2
- 3 networking startups rearchitect routing
More Infrastructure Topics
- Content delivery networks (CDNs)
- Edge computing
- Mobile and wireless network technology
- Network protocols and standards
- Network services
- Network virtualization technology
- Open source networking
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
- Open Network Automation Platform
The Open Network Automation Platform (ONAP) is a networking project that provides a digital environment for the orchestration and automation of complex network services.
- streaming network telemetry
Streaming network telemetry is a real-time data collection service in which network devices such as routers, switches and firewalls continuously push network health data and interface measurements to a centralized collector.
- network configuration management (NCM)
Network configuration management is the process of organizing and maintaining information about all of the components in a computer network.
Highlights
- How do I choose the right network automation tools or platform?
- What are the benefits and challenges of AI network monitoring?
- Agile for infrastructure requires major cultural shift
More Network management Topics
Back to TopNetwork 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
- bogon
A bogon is an illegitimate IP address that falls into a set of IP addresses that have not been officially assigned to an entity by an internet registration institute, such as the Internet Assigned Number Authority (IANA).
- payload (computing)
In computing, a payload is the carrying capacity of a packet or other transmission data unit. The term has its roots in the military and is often associated with the capacity of executable malicious code to do damage. Technically, the payload of a specific packet or other protocol data unit (PDU) is the actual transmitted data sent by communicating endpoints.
Highlights
- Network security design best practices and principles: Keep it simple
- Why Secure Access Service Edge is the future of SD-WAN
- The top 10 network security best practices to implement today
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
- NetOps
NetOps, also referred to as NetOps 2.0, is a networking approach that encompasses the use of DevOps tools, methods and techniques to create an agile, scalable and programmable infrastructure capable of delivering business-critical applications and services rapidly and efficiently.
- 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.
- system administrator (sysadmin)
In information technology (IT), a system administrator (sysadmin) is a person who supports a multi-user computing environment and ensures continuous, optimal performance of IT services and support systems.
Highlights
- What SD-WAN certifications and courses are available?
- Cisco CCNA practice test: Try these 20 exam questions
- Try a CCNA 200-301 practice quiz from the official cert guide
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 a network architecture that aims to make data center networks agile and flexible.
- service chaining
Service chaining, in an information technology (IT) context, is the addition of software-defined networking (SDN) capabilities in a specific sequence.
- Open Network Automation Platform
The Open Network Automation Platform (ONAP) is a networking project that provides a digital environment for the orchestration and automation of complex network services.
Highlights
- Silver Peak SD-WAN orchestrator scales to thousands of sites
- 4 SD-WAN vendors integrate with AWS Transit Gateway
- Follow these 9 steps for SD-WAN testing before deployment
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
- Asynchronous
In general, asynchronous -- pronounced ay-SIHN-kro-nuhs, from Greek asyn-, meaning "not with," and chronos, meaning "time" -- is an adjective describing objects or events that are not coordinated in time.
- dynamic spectrum access (dynamic spectrum management)
Dynamic spectrum access (DSA), also referred to as dynamic spectrum management (DSM), is a set of spectrum utilization techniques that adjusts frequency in real time based on fluctuating circumstances.
- fiber optics (optical fiber)
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.
Highlights
- 3 networking startups rearchitect routing
- Cisco earnings foreshadow slowdown in tech spending
- What's the difference between half-duplex and full-duplex?
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
- SD-WAN (software-defined WAN)
Software-defined WAN (SD-WAN) is a technology to distribute network traffic across wide area networks (WAN) that uses software-defined networking (SDN) concepts to automatically determine the most effective way to route traffic to and from branch offices and data center sites.
- WAN (Wide Area Network)
A wide area network (WAN) is a geographically distributed telecommunications network that interconnects multiple local area networks (LANs).
- load balancing
Load balancing is a technique used to distribute workloads uniformly across servers or other compute resources to optimize network efficiency, reliability and capacity.
Highlights
- Silver Peak SD-WAN orchestrator scales to thousands of sites
- Test your knowledge of SD-WAN deployments and testing
- 4 SD-WAN vendors integrate with AWS Transit Gateway