Evaluate

Evaluate

Weigh the pros and cons of technologies, products and projects you are considering.

• What's involved with global ISP Internet breakout?

  An expert explains how to achieve global Internet breakout connections and gives examples of different connection options. Continue Reading

• Are OpenStack and NFV MANO interchangeable?

  Network functions virtualization and cloud management systems appear to overlap, but whether or not the latter can manage and orchestrate a virtual network is open to debate. Continue Reading

• Advent of 2.5, 5 Gigabit Ethernet switches roiling market

  Faster wireless has opened the market for a new breed of switches. Expert Craig Mathias will tell you what you need to know. Continue Reading

• SDN load balancer debate: Controller or ADC?

  Expert David Jacobs discusses whether software-defined networking will render application delivery controllers obsolete or complement evolving SDN. Continue Reading

• SN blogs: Lenovo Superfish security breach unnerves customers

  SN blogs: Analysts this week discussed why big data analytics needs to be reassessed and why Lenovo's response to Superfish spawned consumer distaste -- and distrust. Continue Reading

• Virtual network function development: Ecosystem or silo?

  The future of virtual network functions depends on how easily they can be deployed. Consensus is still a ways off.Continue Reading

• SDN starter kits remove some do-it-yourself aspects of an SDN deployment

  Not many network engineers can confidently design and launch an SDN deployment from scratch. But with SDN starter kits, there's less need to do that on their own.Continue Reading

• Ten recommendations to improve your NFV network evolution

  As providers move into network functions virtualization, these 10 recommendations can help guarantee a successful NFV network transition.Continue Reading

• What to look for in data center switches

  Enterprises continue to virtualize data centers in the name of agility and efficiency. Because of this, the data center switches they buy today need to address both data center existing needs and future requirements. DC switches must be able to work...Continue Reading

• With wave 2 Wi-Fi on the horizon, is your network ready?

  Wave 2 Gigabit Wi-Fi will usher in speeds of up to 7 Gbps. Expert Lisa Phifer explains what you need to do to get ready.Continue Reading

• SDN blogs: Overlay networks can be scaled

  In this week's SDN blogs, experts talk about the scalability of overlay networks and ask questions about SD WAN, and an open source SDN website is launched.Continue Reading

• Identifying the top 10 network-cloud integration challenges

  IT managers face a variety of network-cloud integration challenges. But there are steps they can take to keep those challenges at a minimum.Continue Reading

• SN blogs: Vendors focusing on SD WAN, but WAN optimization still key

  SN blogs: This week, an analyst urged vendors to keep focus on WAN optimization; the rise of big data analytics is forcing firms to see what's next.Continue Reading

• Network management projects top list of 2015 IT initiatives

  According to TechTarget’s 2015 IT Priorities Survey, 44% of enterprises are planning network management projects this year.Continue Reading

• How to buy: What IT needs to look for in data center switches

  IT needs to know what to look for when buying data center switches that support high speeds and lower latencies to pave the way for agile data center network consolidation.Continue Reading

• Seven wireless networking trends to remember

  Wireless networking is empowering, but it comes with a fair amount of complexity. Stay clear-headed and understand your own needs and constraints, even as the fog gathers around you.Continue Reading

• Opportunistic encryption: The IETF's 50 shades of protection

  The IETF is asking for help as it defines the opportunistic security standard. What does this mean to the enterprise?Continue Reading

• Open NFV toolkit Snabb Switch offers virtual Ethernet programming

  Snabb Switch, an emerging open NFV toolkit, enables Ethernet function programming in a software switch. Could it leave vendor-developed hardware in its wake?Continue Reading

• SN blogs: Cybersecurity leadership needs restructuring

  SN blogs: This week, why having two CISOs could benefit cybersecurity strategy; how Google's plans to become an MVNO could be a good thing.Continue Reading

• Named Data Networking project wants to retire TCP/IP

  TCP/IP is buckling under the demands of today's Internet, according to researchers who want to replace it with a new Internet protocol stack. Their solution: Named Data Networking.Continue Reading

• Latest network security threats prompt one question: ‘Are we next?'

  After the latest wave of attacks, including the most recent on Sony, network security pros are losing sleep. Can new platforms stop today's network security threats?Continue Reading

• Could vendor divide on new Ethernet speeds hurt enterprise networks?

  Vendor alliances are bypassing the IEEE again, this time with specs for two new Ethernet speeds, 2.5 and 5 GbE. Without common standards, could enterprise networks suffer?Continue Reading

• Recent flurry of slower Ethernet speeds focuses on strategy, not acceleration

  For the first time, Ethernet innovation isn't about higher speeds. The recent push for 2.5 and 5 Gigabit Ethernet show it's all about use cases.Continue Reading

• NFV and SDN technology benefits drive telecom changes

  NFV and SDN technology could be mainstream options for providers' cloud and network architectures within five years; time to review the benefits.Continue Reading

• New Ethernet speeds, 2.5 and 5 GbE, ready campus LAN for 802.11ac

  The next generation of Wi-Fi technology, 802.11ac Wave 2, will be able to push multiple gigabits of data per second, but most enterprise networks wouldn't be able to take full advantage of it with the infrastructure they have in place today. That's ...Continue Reading

• Mitigating IPv6 neighbor discovery attacks

  You might be vulnerable to IPv6 neighbor discovery attacks. But there are tools you can use to counter those threats.Continue Reading

• Five SDN starter kit options you should know

  SDN starter kits are designed to help enterprises evaluate the technology before they begin transitioning their networks to the new architecture. What should you look for?Continue Reading

• SN blogs: WebRTC browser applications boost enterprise networking

  SN blogs: This week, an analyst discusses why browser-based communication is enhanced with WebRTC applications.Continue Reading

• How to protect your IPv6 address management

  Expert Fernando Gont explains how to probe whether your IPv6 address components are vulnerable to attack.Continue Reading

• Price vs. design, how do you choose MPLS service providers?

  When you meet with several MPLS service providers, you need to weigh the cost vs. the design of the product. Cheaper products might not give you all the capabilities you need.Continue Reading

• IT network management and SMBs: What to look for

  Resource-challenged small, medium-sized businesses need special tools to help them oversee their networks. What to look for.Continue Reading

• Network Innovation Award: Dell breaks mold with Dell/Cumulus partnership

  Dell wins this month's Network Innovation Award from SearchNetworking for its partnership with Cumulus Networks, in which Dell became the first mainstream switch vendor to permit third-party OSes to run on its switches.Continue Reading

• The journey to next-generation networks begins now

  Network operators will see real change in their next-generation networks in 2015, moving SDN and NFV from science project status to serious trials, while mobile networks get the lion's share of investment, and new regulations affect all of it.Continue Reading

• What is the security impact of enterprise IoT?

  Software management at the device level is key to mitigating security risks in the enterprise when IoT arrives.Continue Reading

• Network programmability, SDN blend into virtualization hairball

  The challenge is to forget demarcation lines between networking programmability, SDN and data center virtualization. Columnist Patrick Hubbard says they're becoming something between a giant hairball and a flock of magic unicorns.Continue Reading

• Managing mobility means understanding EMM

  As enterprises become more mobile, enterprises need to understand the tools available to help them manage that growth.Continue Reading

• SN blogs: Software infrastructure products to blossom in 2015

  SN blogs: This week, an analyst gives his 2015 IT infrastructure predictions; an engineer discusses when to use a router versus a switch.Continue Reading

• What buyers need from Wi-Fi access point upgrades

  A recap of SearchNetworking's How to Buy series, which teaches IT professionals what to keep an eye on when buying new products for their networks.Continue Reading

• VWAN threatens traditional three-tiered WAN design

  With vWAN providers changing the traditional three-legged WAN structure, carriers need to develop new WAN plans and services using SDN and NFV to keep enterprises on their networks.Continue Reading

• Network management, next-gen firewall tools take center stage

  A recap of SearchNetworking's How to Buy series, which teaches IT professionals what to keep an eye on when buying new products for their networks.Continue Reading

• As WLANs grow, so does need for secure wireless networks

  Wireless LANs are growing in size and importance, making it imperative for every networking pro to ensure they have a secure wireless network.Continue Reading

• New, branded open network hardware model emerges

  Hyperscale data center operators have radically altered their infrastructure with open network hardware that runs a range of operating systems. As this strategy trickles down into the enterprise, vendors are unveiling branded-but-open technology.Continue Reading

• How to plot SIP services to a WAN foundation

  What you need to measure when evaluating SIP services from your WAN services provider.Continue Reading

• Virtual network functions bring potential with some risk

  Virtual network functions are the magic behind NFV. They bring software capability to routing, mobile core, security and more. But they're not without implementation challenges.Continue Reading

• How NASA and SDN are alike... Think: network automation

  When NASA launched the Orion this month, it had to suspend automated wind sensors and use human intervention to determine when the winds were right. Turns out, SDN engineers would have much less room to fumble in halting network automation.Continue Reading

• What is a hybrid WAN service?

  When considering hybrid WAN architecture, organizations must focus on the end-user experience and security.Continue Reading

• Next-generation wireless: Trends reshaping wireless networking

  The enterprise is more mobile than ever. Employees, whether they are traveling on business or just logging in from a conference room at headquarters, are using their phones, laptops and tablets to access mission-critical applications. Professors and...Continue Reading

• White-box switching: Three paths to network programmability

  White-box switching is often pitched as a way to cut costs, but the greater value lies in its ability to make networks more programmable and automated.Continue Reading

• Cloud-managed wireless: Why network engineers love it

  Cloud-managed wireless is growing three times faster than the wireless LAN market as a whole. Network engineers rave about its benefits, but it's not for everyone.Continue Reading

• What is generic Ethernet access?

  Generic Ethernet access is a new carrier service rolling out in the United Kingdom. Is this a technology that can work for you?Continue Reading

• VMware NSX networking: What you need to know before investing

  VMware's NSX networking platform is making waves, but issues exist with physical network device support. Read more of what to know about NSX before investing.Continue Reading

• On Reddit, network pros say 'hell, no!' to SDN investment

  Let's face it: It'll be a while until we see widespread SDN investment. On this Reddit thread, network engineers demand an end to crappy marketing jargon, and tell vendors what they really need from SDN.Continue Reading

• Five reasons IT pros are not ready for SDN investment

  Vendors will tell you all the reasons you should buy SDN, but we talked to a group of IT leaders who explain why they can't yet recommend SDN investment. (Think: security!)Continue Reading

• NFV Infrastructure: What really lies beneath?

  Vendors have differing ideas on what constitutes an NFV Infrastructure, which makes it difficult to know how to invest. However, there are a few key elements every portfolio should include.Continue Reading

• 5 network performance features in VMware NSX 6.1

  VMware NSX 6.1 brings new optimization, management and security features to virtual network environments.Continue Reading

• Three ways to measure wireless network performance

  Trying to find ways to assess your wireless network performance? Here are some tools that can help.Continue Reading

• How do you benefit from MPLS provider comparison?

  An expert explains the process of choosing an MPLS provider.Continue Reading

• Mininet creates OpenFlow test networks on the cheap

  With Mininet emulation software, you can create OpenFlow test networks that let you experiment with programmable networking and flexible control planes without investing in costly switches.Continue Reading

• 25 Gigabit Ethernet: Why that, why now and what's next

  If you blinked, you may have missed it: A consortium formed this summer to develop a 25 Gigabit Ethernet specification, with plans to have 25 Gbps switches shipping in two years. Here's why the industry is in such a hurry.Continue Reading

• Network micro-segmentation brings security to NSX and ACI

  VMware and Cisco are depending on network micro-segmentation to bring a new level of virtualization security with east-west firewall capabilities.Continue Reading

• Do I need network quality of service?

  An expert discusses the importance of including quality of service across the network.Continue Reading

• The future network is software-defined: Prepare your WAN now

  In this concise podcast, John Burke of Nemertes Research covers the top dos and don'ts for implementing SDN in the WAN. His concise advice will better prepare you and your network for an SDN age.Continue Reading

• How to describe technology in business terms to win board approval

  Networking professionals have to be able to explain the value of technology in business terms to win board approval. Find out how to talk business-speak.Continue Reading

• Aggregation in IPv6 routing curbs effects of Internet growth

  IPv6 addresses are four times larger than those based on IPv4, but experts say that doesn't mean IPv6 will slow down routers. In fact, IPv6 routing makes route aggregation simpler, which leads to smaller routing tables.Continue Reading

• The bare-metal switch moves closer to mainstream

  Bare-metal switching has been considered niche, but Dell's foray into the market suggests other big vendors may soon follow. And while you might worry a bare-metal switch requires a Ph.D. to set up, early adopters say it's not that scary to use.Continue Reading

• Open Network Install Environment gives end users network OS choices

  The Open Network Install Environment's community of vendors offers an open install environment for bare-metal switches using its Linux-based OS installer.Continue Reading

• Umpqua Bank employs NSX, micro-segmentation for enterprise security

  Umpqua Bank's Sam Guidice tells how the organization deployed VMware's NSX as part of its effort to utilize micro-segmentation for enterprise security.Continue Reading

• Three new takes on WAN optimization

  Once considered new technology, WAN optimization is now widespread, and enterprises are including it in their networks from the start. Now that WAN optimization is mature, what's the next step for WAN management? Application delivery optimization ...Continue Reading

• What do we need from NFV orchestration?

  NFV orchestration is about much more than just provisioning and managing virtual features, such as firewalls or load balancers. Instead, NFV orchestration must address the entire service-chaining process.Continue Reading

• DevOps or SDN? You'll need them both to work together

  There's no point in choosing between DevOps and SDN. SDN is actually the perfect toolset for DevOps, with its unified vision and control over the entire network. Meanwhile, DevOps lends itself to the hybridized IT model necessary for SDN.Continue Reading

• MPLS vs. virtual private LAN services: Same thing?

  Most IT managers tend to think of MPLS and VPLS as separate entities. Robert Sturt points out that the two products have a lot in common.Continue Reading

• Context-aware security: Big benefits for networks, but no shortcuts

  Context-aware security has the potential to make network security a lot smarter. But it also requires legwork many IT shops aren't equipped to handle.Continue Reading

• Juniper OpenContrail vs. Cisco ACI: Making an SDN decision

  Juniper and Cisco have radically different SDN strategies. Here's some crucial information about the Cisco ACI vs. Juniper OpenContrail decision.Continue Reading

• What to look for when gauging MPLS performance

  Quality of service and service-level agreements are just a few of the considerations enterprises must keep in mind when assessing global MPLS providers.Continue Reading

• How Apple iOS MAC address spoofing affects location-based services

  Apple iOS 8 will add a MAC address spoofing feature to iPhones and iPads for wireless privacy. It could interfere with Wi-Fi location-based services used by many consumer-facing businesses.Continue Reading

• Arista switch pioneers 100 GbE uplinks in top-of-rack

  Arista announced top-of-rack 7280E with 100 GbE uplinks. It also released an optic that allows a migration from 10 to 40 GbE without a fiber upgrade.Continue Reading

• Will MPLS traffic engineering technology help you?

  MPLS traffic engineering can improve VPN performance to ensure data travels the most efficient path.Continue Reading

• GENEVE primer: The answer to network virtualization interoperability?

  The GENEVE network encapsulation protocol is more flexible than VXLAN and NVGRE. Will it bring interoperability to network virtualization overlays?Continue Reading

• GENEVE primer: A universal network encapsulation protocol?

  The GENEVE network encapsulation protocol is more flexible than VXLAN, NVGRE and STT and does everything they can do. Will it replace them entirely?Continue Reading

• How to buy: Assessing next-gen firewalls

  Is there a next-gen firewall in your future? Our How to Buy guide offers advice you need to ensure you purchase the best platform to meet your needs.Continue Reading

• Don't ignore this great wireless training resource

  Online wireless support communities are a great resource for IT professionals who need their questions answered quickly.Continue Reading

• What's the difference between declarative and imperative networking architecture?

  When talking about network, automation and policy solutions, it's becoming commonplace to hear about declarative and imperative networking architectures. Jason Edelman explains the differences.Continue Reading

• Pluribus reduces its top-of-rack switch price by outsourcing hardware

  Startup Pluribus outsources manufacturing of its top-of-rack switch; it may embrace the bare-metal switch approach.Continue Reading

• Riverbed APM gets more root cause analytics, mobile visibility

  The rebranded Riverbed APM portfolio now includes SteelCentral AppInternals 9.0 with expanded mobile visibility and analytics capabilities.Continue Reading

• App store-style network applications will drive SDN adoption

  IT engineers want their network services to flow as easily as the apps they buy in the app store -- and that trend may drive SDN adoption.Continue Reading

• What is a CPU-based SDN switch? Infoblox's Stu Bailey explains

  InfoBlox's Stu Bailey talks about the differences between the CPU-based LINCX SDN switch and ASIC-based switches, and how users can get involved with the development of LINCX.Continue Reading

• The simple facts behind antenna basics

  No matter how expensive your wireless system may be, its performance depends on the strength of its antennas.Continue Reading

• Network Innovation Award: ThousandEyes multiplies view

  ThousandEyes is this month's SearchNetworking Network Innovation Award winner for its network performance platform.Continue Reading

• VMware NSX price finally published as channel starts selling

  The VMware NSX price is finally publicly available, both monthly per-VM and perpetual per-CPU terms.Continue Reading

• Content distribution network outdoes traditional cloud services

  Content distribution network services facilitate content distribution at a lower cost and with higher performance than traditional cloud services.Continue Reading

• Content distribution networks: Separating fact from hype

  Content distribution networks can accelerate cloud applications and services, but only if companies know what they're looking for.Continue Reading

• Juniper, Aruba partner to unify wired and wireless network management

  Juniper, Aruba announced a partnership to converge their respective wired and wireless LAN technology for simplified network management.Continue Reading

• MPLS networks not obsolete, but Internet as WAN catches up

  MPLS networks have been the undisputed king of WAN services for years, but more enterprises are looking at supplementing them with Internet services.Continue Reading

• WLAN AP reviews: Aruba instant access points

  Aruba's series of IAP-225 access points promises quick provisioning and quick configuration, analyst Craig Mathias writes.Continue Reading

• Software-defined WAN: The old way of building branch networks is dead

  In the software-defined WAN, we'll provision virtual overlays and move network management to the cloud, limiting costly on-premises equipment.Continue Reading

• What is the difference between network orchestration and SDN control?

  Glen Kemp discusses the differences between network orchestration, similar to OpenStack, and SDN control, which is happening through OpenDaylight.Continue Reading

• Do OpenDaylight and OpenStack compete or complement?

  OpenDaylight and OpenStack combine to enable IT as a service, but first the communities must wade through the overlapping features.Continue Reading

• WLAN AP reviews: Meru access points

  This 802.11ac product review of Meru Networks AP822 WLAN access points focuses on the advantages of high-capacity and plug-and-play capabilities.Continue Reading

• How to buy: What to look for in 802.11ac access points

  If you're in the market for 802.11ac access points for your wireless LAN, find out what features are essential when it's time to buy.Continue Reading

• Building a hybrid network with SDN, network virtualization

  SDN and network virtualization are new and still largely misunderstood technologies. Here's how they can combine to build a modern hybrid network.Continue Reading