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Hybrid Cloud networking falls short, but not for long
As if network management isn’t hard enough, now engineers must find ways to manage physical networks, virtual networks and SDN environments. In this edition of Network Evolution, we’ll explore strategies to manage across physical and virtual n... E-Zine
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The new network: SDN gets real
As the software-defined networking (SDN) hype is replaced by real products, this edition of The New Network will look at the current state of SDN testing, development and deployment, as well as how SND and data center network fabrics complement each ... E-Zine
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Let the 40 Gigabit Ethernet migration begin
The need for capacity and speed explodes as network teams build private and hybrid clouds and deliver video throughout their campuses and branch offices. So even if they don’t need 40 GbE today, they’ll need to build networks that can be transitioned... E-Zine
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Revisiting past predictions for networking technology
In this special end-of-year issue, we take stock of what we reported over the year and gauge whether the changes in networking technology that we predicted have actually taken place. Take a look inside and find out about the latest networking trends ... E-Zine
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Adopting an application-centric architecture
Read about how networking professionals view applications and how their jobs have changed as a result of a network-centric view. Get expert advice on how to make the most out of application-aware firewalls; discover whether or not your security strat... E-Zine
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Building the infrastructure to enable flat Data Center network architecture
This issue of the Network Evolution E-Zine will cover the road to flat Data Center network architecture. Learn about how to design a high-performance network with virtualization in mind. We'll help you understand virtualization security, virtual clus... E-Zine
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Modern data center networking strategies
Data center design is changing at a rapid pace, and network architects find themselves at a crossroads when selecting and implementing infrastructure. Their short-term and long-term goals often seem at odds, and they are dealing with major changes in... E-Book
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Interop Conference 2013
Your home for all the news at Interop Conference 2013. Cloud computing, SDN, big data, application optimization, data center networking, virtualization, mobile and more from Las Vegas. guide
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How virtual switching integrates the network edge
Learn how a cloud provider and a collocation center use virtual switching to integrate physical and virtual networks. Feature
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Integrating physical and virtual networks: Virtual switching tactics
In order to make networks flexible enough to support cloud orchestration, engineers will have to bridge physical and virtual networks. Feature
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Hybrid cloud networking falls short, but not for long
Hybrid cloud networking falls short of enabling total orchestration across public and private clouds. Software-defined networking, network virtualization and orchestration tools will change that. Feature
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Analysts make predictions on 2013 networking trends
Networking analysts predict what 2013 has in store for data centers, campus LANs, network management, security and software-defined networks. Feature
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Trends in networking 2012: Top ten Fast Packets
These top ten Fast Packets from SearchNetworking.com contributors and editors reflect on the most conversation-worthy networking trends in 2012. Feature
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Will we ever need 400 Gigabit Ethernet enterprise networks?
With 40 and 100 Gigabit Ethernet so new, what could possibly drive the need for 400 Gigabit Ethernet in the enterprise? Hint: It’s not just the WAN. Feature
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Software-defined networking washing is the new cloud washing
Marketing pros sell every new technology as if it's software-defined networking. But this 'SDN washing' masks true innovation and insults our intelligence. Fast Packet
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Software-defined networking applications move beyond the data center
Software-defined networking is often considered a data center technology, but new SDN applications will improve performance in the LAN and WAN as well. Feature
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Big data initiative essentials: Adopting analytics strategies
This guide contains what you need to know for devising big data initiatives and analytics strategies. Guide
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Extreme, Lenovo in pact to offer data center products
Extreme Networks and Lenovo strike a reseller agreement to offer a bundled package of network switches and enterprise servers to enterprises. News | 18 Jul 2013
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Juniper's Rami Rahim on the state of the EX9200, EX8200 and QFabric
Juniper EVP Rami Rahim discusses the roadmaps for QFabric, the EX9200 and EX8200, and the rest of Juniper's switching business. Q&A | 09 Jul 2013
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Cisco announces 83 Tbps Nexus 7700 and Dynamic Fabric Automation
The new Nexus 7700 is the most powerful data center switch on the market, and Dynamic Fabric Automation simplifies Nexus-based network fabrics. News | 27 Jun 2013
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Cumulus Networks CEO: How Linux-based switches change network ops
Cumulus launched a Linux OS for bare-metal switches this week. We spoke to CEO J.R. Rivers about how this platform will affect network operations. Q&A | 20 Jun 2013
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Cumulus Networks unveils Linux network OS for bare-metal switches
Cumulus Networks uses Linux as an operating system for bare-metal switches that are cheaper and easier to automate than traditional switching. News | 19 Jun 2013
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New VMS feature enables big spines of Mellanox Ethernet ToR switches
A new Layer 3-based Virtual Modular Switch feature on top-of-rack Ethernet switches from Mellanox enables large clusters for leaf-spine architecture. News | 18 Jun 2013
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Facebook talks about Open Compute's open source switch project
Facebook execs Frank Frankovsky and Najam Ahmad discuss why Open Compute is designing a switch that's open source. News | 28 May 2013
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Networking blogs: Overlay Transport Virtualization, SDDC practicality
In this week's networking roundup, bloggers advise how to use Overlay Transport Virtualization and discuss what's needed for a mature SDDC. Fast Packet | 17 May 2013
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Facebook to release data center switch spec for Open Compute Project
Facebook announced at Interop that its Open Compute Project will expand its scope to include open designs for top-of-rack data center switches. News | 09 May 2013
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Arista upgrades 7500 for massive leaf-and-spine network architecture
With its new, high-density 10/40/100 GbE 7500E switch, Arista Networks enables customers to build massive leaf-and-spine networks. News | 02 May 2013
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After much talk, network virtualization is finally becoming a reality
For years, companies like Cisco have promised network virtualization, but with network software overlays and software-defined networking, the technology is finally coming to life. Opinion
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Efficient data center cabling requires plan, follow-up
Switching out servers at a data center can go from ho-hum to disaster unless you have a tested cable management plan in place. Tip
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OpenStack vs. CloudStack: What's the best approach?
When it comes to OpenStack vs. CloudStack, IT managers need to understand the difference between the open source cloud-computing management architectures. Expert Tip
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Application performance monitoring tools: Three vendor strategies
Application performance monitoring tools match user transaction time to network flow information to identify problems. But APM tools differ widely. Expert Tip
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QFX3500 vs. EX4550: Juniper's two top-of-rack switches
Juniper's QFX3500 and EX4550 are both capable 10 Gigabit Ethernet, top-of-rack switches. Deciding which to buy may mean choosing between traditional and fabric architectures. Tip
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Five challenges in private cloud networking
To achieve application performance in private cloud networking, cloud networks must tackle dynamic address mapping and access security, creating several network challenges. Tip
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Implementing cloud computing architecture: A holistic overview
Building a cloud computing architecture that enhances worker productivity and provides cost management means re-evaluating the network as a whole. Tip
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Agile cloud networks are key to application performance and access
It takes agile cloud networks, integration of public and private clouds and QoS management to ensure seamless application access and performance. Tip
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Do we need a network hypervisor for virtualization?
To handle mass server virtualization and Infrastructure-as-a-Service, IT teams need network virtualization with fluid provisioning. Will that require a network hypervisor? Tip
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vSphere networking tools: Gaining control of virtualization
Growing server virtualization environments require engineers to learn vSphere networking intricacies, including vSwitch architecture and new CLI strategies. Tip
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Implementing Cisco Nexus 5500 as a core switch: Design considerations
The Cisco Nexus 5500 may be a better replacement for the Catalyst 6500 as a network core switch than the Nexus 7000, but there are design challenges to consider before investing. Tip
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Why should I care about software-defined networking?
Expert Jim Damoulakis weighs in on the potential of software-defined networking, or SDN, and why you should care. Expert Answer
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How cost-effective is top-of-rack switching?
Expert Carrie Higbie explains that top-of-rack switching may mean higher costs due to an oversubscription of ports that you don't need and can't use. Answer
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Will FCoE architecture replace Fibre Channel?
There's been much hype over Fibre Channel over Ethernet (FCoE) architecture; expert Carrie Higbie doesn't think it will ever replace Fibre Channel. Answer
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Converged network infrastructure bids cost and communication benefits
Expert Carrie Higbie explains the various network convergence benefits including communication between systems and less network equipment needed to run across the network. Answer
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Top-of-rack switches growth: Demise of copper structured cabling?
A push for top-of-rack switches in the data center may bring questions about the demise of copper structured cabling to surface. Expert Carrie Higbie puts these concerns to rest. Answer
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Performance routing solution may relieve network traffic issues
When facing issues with MPLS VPN services, such as slowness, outages and application timeouts, a performance routing solution may help improve Layer 3 VPN problems. Answer
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Network testing strategies for the enterprise: Meet the experts
SearchNetworking.com’s new experts, Tom Kunath and Andy Sholomon, discuss network testing strategies for the enterprise at Cisco Live 2011. Answer
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What network troubleshooting tools can I use to determine the cause of slow web page access?
Ask the Expert
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What are the industry best practices for cabling high-density production server cabinets without pat
Infrastructure and project management expert Carrie Higbie answers what the industry best practices are for cabling high-density production server cabinets without patch panels. Ask the Expert
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Could you provide me with details on coaxial cable, fiber optic cable and twisted pair cable?
Ask the Expert
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40 Gigabit Ethernet (40GbE)
40 Gigabit Ethernet (40GbE) is a standard that enables the transfer of Ethernet frames at speeds of up to 40 gigabits per second (Gbps). The 40GbE standard is intended for local server connectivity; a more robust standard, 100 Gigabit Ethernet (100Gb... Definition
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northbound interface / southbound interface
A northbound interface is an interface that allows a particular component of a network to communicate with a higher-level component. Conversely, a southbound interface allows a particular network component to communicate with a lower-level component.... Definition
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application delivery controller
An application delivery controller is a data center network device that helps manage client connections to complex Web and enterprise applications. Definition
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shortest path bridging
Shortest path bridging, or 802.1aq, is the IEEE’s specification for enabling multi-pathing in the data center. Shortest path bridging is similar conceptually to its IETF counterpart, Transparent Interconnection of Lots of Links (TRILL). Definition
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Transparent Interconnection of Lots of Links (TRILL)
Transparent Interconnection of Lots of Links (TRILL) is the Internet Engineering Task Force’s specification for enabling multi-pathing in the data center. The protocol is intended to replace the spanning tree protocol. Definition
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NBAR (Network Based Application Recognition)
Network Based Application Recognition (NBAR) is a mechanism that classifies and regulates bandwidth for network applications to ensure that available resources are utilized as efficiently as possible. Cisco Systems developed NBAR as part of its Conte... Definition
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MOSPF (Multicast Open Shortest Path First)
MOSPF (Multicast Open Shortest Path First) is an extension to the OSPF (Open Shortest Path First) protocol that facilitates interoperation between unicast and multicast routers... (Continued) Definition
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fast retransmit and recovery (FRR)
In TCP/IP, fast retransmit and recovery (FRR) is a congestion control algorithm that makes it possible to quickly recover lost data packets. Definition
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SMDS (Switched Multimegabit Data Service)
SMDS (Switched Multimegabit Data Service) is a public, packet-switched service aimed at enterprises that need to exchange large amounts of data with other enterprises over the wide-area network on a nonconstant or "bursty" basis. Definition
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Podcast: SDN and OpenFlow pitfalls and potential at TIP 2013
Executive editor Rivka Gewirtz Little reports live from Honolulu, where the latest news about SDN and OpenFlow creates buzz among TIP attendees. Podcast
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Networking 2012: Top ten news stories of the year
The top ten networking news stories of 2012 reflect the tectonic shift in network technology, including software-defined networking and BYOD Wi-Fi. News
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Software-defined network technology interest now, future investment
Survey trends reveal IT professionals have interest in software-defined network technology but are not ready to bring the technology to primetime. Slideshow
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Testing FCoE and data center bridging at UNH’s InterOperability Lab
In this video Mikkel Hagen, a testing manager with UNH-IOL tells SearchNetworking.com about the work that UNH-IOL provides and the testing it is doing with data center bridging and Fibre Channel over Ethernet (FCoE) products. Video
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10 Gigabit Ethernet technology: Building high-performance networks
Analyst Howard Marks discusses 10 Gigabit Ethernet technology in high-performance networks, including considerations for virtualization networking and network convergence. Video
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10 Gigabit Ethernet migration: What you need to consider
DeepStorage.net chief scientist Howard Marks discusses considerations for a 10 Gigabit Ethernet migration in a data center, including building 10 GbE into the core. Video
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Data center networking efficiency
Efficient data center networking is a sure bet if the equipment has a long life and the network capacity is fully utilized. In this video, learn how to extend the life of the data center equipment with consolidation and how to better utilize network ... Video
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Network convergence: Bringing storage and data center networks together
Bringing storage and data center networks together, or network convergence, requires an immense amount of planning. In this video, learn about FCoE vs. iSCSI vs. Infiniband over Ethernet for network convergence, as well as learning the role of virtua... Video
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Efficient data center cabling requires plan, follow-up
Switching out servers at a data center can go from ho-hum to disaster unless you have a tested cable management plan in place. Tip
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Extreme, Lenovo in pact to offer data center products
Extreme Networks and Lenovo strike a reseller agreement to offer a bundled package of network switches and enterprise servers to enterprises. News
-
Juniper's Rami Rahim on the state of the EX9200, EX8200 and QFabric
Juniper EVP Rami Rahim discusses the roadmaps for QFabric, the EX9200 and EX8200, and the rest of Juniper's switching business. Q&A
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Why should I care about software-defined networking?
Expert Jim Damoulakis weighs in on the potential of software-defined networking, or SDN, and why you should care. Expert Answer
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Cisco announces 83 Tbps Nexus 7700 and Dynamic Fabric Automation
The new Nexus 7700 is the most powerful data center switch on the market, and Dynamic Fabric Automation simplifies Nexus-based network fabrics. News
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Cumulus Networks CEO: How Linux-based switches change network ops
Cumulus launched a Linux OS for bare-metal switches this week. We spoke to CEO J.R. Rivers about how this platform will affect network operations. Q&A
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Cumulus Networks unveils Linux network OS for bare-metal switches
Cumulus Networks uses Linux as an operating system for bare-metal switches that are cheaper and easier to automate than traditional switching. News
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New VMS feature enables big spines of Mellanox Ethernet ToR switches
A new Layer 3-based Virtual Modular Switch feature on top-of-rack Ethernet switches from Mellanox enables large clusters for leaf-spine architecture. News
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40 Gigabit Ethernet (40GbE)
40 Gigabit Ethernet (40GbE) is a standard that enables the transfer of Ethernet frames at speeds of up to 40 gigabits per second (Gbps). The 40GbE standard is intended for local server connectivity; a more robust standard, 100 Gigabit Ethernet (100Gb... Definition
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Facebook talks about Open Compute's open source switch project
Facebook execs Frank Frankovsky and Najam Ahmad discuss why Open Compute is designing a switch that's open source. News
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About Data Center Network Infrastructure
Learn about data center network infrastructure considerations for building your data center network including data center network architecture, devices, data center routing and switching, bandwidth considerations, and data center network security.
Network Management Strategies for the CIO