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Cloud Networking

• 3 potential multi-cloud challenges that could go unnoticed

  Disaster recovery, vendor lock-in and cost are major factors as organizations evaluate multi-cloud strategies. However, these pros can become cons if teams aren't careful. Continue Reading

• Understand limitations when monitoring cloud performance

  When monitoring cloud performance, organizations need to recognize the limitations that come with SaaS, PaaS and IaaS models, as well as public and private cloud architectures. Continue Reading

• 5 steps to troubleshoot a virtual machine problem in Azure

  If you're wrestling with a virtual machine problem, like a faulty connection issue, be sure to check the domain name system and network traffic routing. Continue Reading

• Users want hybrid cloud networking to be simple

  As more services move to the cloud and become more mobile, if the network is invisible and performs well, IT pros are doing their jobs in users' eyes. Continue Reading

• Networked cloud emerges to meet evolving infrastructure needs

  Some enterprise network managers are beginning to move networking out to the cloud, as they sort out how to best meet their organizations' evolving infrastructure needs. Continue Reading

• Multicloud environment poses management challenges

  The growth of the multicloud environment among enterprises is fueling the need for management tools that reduce complexity and redundancy.Continue Reading

• Need for speed: Demand for faster DCI technology grows

  As the amount of traffic traveling between data centers explodes, both enterprises and service providers look for high-octane data center interconnect options.Continue Reading

• Data center interconnect market: Enterprises, providers fuel growth

  The data center interconnect market is poised for significant growth, thanks to a number of factors altering the IT landscape -- including the growing use of cloud services, the massive proliferation of data, the increasing adoption of ...Continue Reading

• Here comes Wave 2: 802.11ac reaches new heights

  There are two things every network engineer can expect to perpetually increase: the need for more bandwidth and the number of mobile devices on a wireless network.

  The first generation of wireless access points (APs) based on the Continue Reading

• Hybrid cloud application delivery: Challenges and success stories

  Networking in hybrid clouds has been a complex task, and that includes optimizing application delivery and performance. Find out how some IT pros are overcoming those challenges.Continue Reading

• Make your hybrid cloud transparent: Virtual switches, other cool tools

  Cloud visibility is a major challenge. Luckily, there are options for creating observation posts in hybrid infrastructures. Here are some to consider.Continue Reading

• Ensuring QoS when transmitting data to a public cloud infrastructure

  Ensuring QoS when transmitting data from on-premises infrastructure to public cloud infrastructure depends on solid connections.Continue Reading

• Networking blogs: Reevaluating the optical market, config builder tips

  This week, networking bloggers discuss a potential sea change for the optical market, and reveal some key tips for using custom config builders.Continue Reading

• Networking blogs: Wi-Fi Certified 802.11ac is here, CDN bandwidth woes

  In this week's blog roundup, get expert insight on preparing for 802.11ac and solutions to CDN bandwidth issues.Continue Reading

• The network is key as cloud drives converged infrastructure solutions

  The cloud drives true converged infrastructure solutions for network, storage and compute resources, but virtualization and the network make it work.Continue Reading

• The future of SaaS: What do we need for SaaS monitoring nirvana?

  Network Management expert Henry Svendblad explains what is needed to make IT monitoring worry-free in a software-as-a-Service environment.Continue Reading

• Using public cloud when provisioning enterprise IT services

  Using public cloud services requires diligent enterprise IT management of the cloud provider to make it a success.Continue Reading

• Working with individual applications for hybrid cloud management

  Working with individual applications in hybrid cloud management can be complex, but Quality of Experience can be ensured.Continue Reading

• What kind of security protections does a cloud service provider offer?

  Amy Larsen-DeCarlo writes that enterprises can expect similar security protections from cloud providers as they get from traditional hosting services.Continue Reading

• How do I go about choosing a cloud provider for my company?

  Choosing a cloud provider for your company can seem impossible until you compare your needs to a provider's core business.Continue Reading

• What are the best use cases for public cloud services?

  Enterprises increasingly see public cloud services as secure and stable enough for specific non-core applications if they have effective SLAs.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• WAN and cloud service management: Simplify life with your providers

  Use these tips on WAN and cloud service management to simplify your life managing and negotiating with multiple WAN and cloud providers.Continue Reading

• Floodlight primer: An OpenFlow controller

  In software-defined networks, engineers use Floodlight controllers to manage physical and virtual devices -- and each traffic flow running between them.Continue Reading

• Essential elements in an internal SLA

  An internal SLA helps enterprise IT teams set the parameters for Quality of Service and uptime.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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.Continue Reading

• 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?Continue Reading

• 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.Continue Reading

• Myth vs. Reality: Cloud-managed Wireless LAN

  New cloud-managed wireless LAN services have many users wondering whether Wi-Fi management as a service is dependable. Wireless expert Lisa Phifer goes on a myth-busting mission.Continue Reading

• Software-defined networking could make Network-as-a-Service a reality

  Software-defined networking could solve the problems that Ethernet and IP networking pose to Network-as-a-Service by centralizing a connection permission policy.Continue Reading

• Ensuring private cloud performance assurance

  Ensuring performance assurance becomes part of IT's responsibilities when enterprises choose to adopt hybrid or private cloud computing environments.Continue Reading

• Cloud access: Alternatives to Internet connectivity

  The Internet's unreliability and questionable security keep many enterprises from adopting cloud services. But companies can consider these alternative cloud access options.Continue Reading

• Private cloud network VLAN problems: Is OpenFlow the answer?

  In order to create dynamic private cloud networks, engineers will turn to software-defined networking and control planes that integrate virtual and physical switching.Continue Reading

• The answer to the top 5 virtualization problems

  Transitioning to a virtualized network can be challenging for network engineers, despite the advantages. Understand these top five virtualization problems and how to handle them.Continue Reading

• When physical security breaches are the problem

  Network engineers are so busy dealing with intrusion prevention and firewalling that they forget about physical security breaches. Blogger Ethan Banks has some advice.Continue Reading

• Can Virtual Extensible LAN solve the VLAN problem?

  The Virtual Extensible LAN (VXLAN) protocol could mean the ability to spin off many more VLANs across dispersed data centers. So why does blogger Ivan Pepelnjak take issue?Continue Reading

• Building a private cloud: aIs the physical network hostile?

  In building a private cloud, engineers seek dynamic provisioning and automation for wide-scale virtualization, but are physical networks hostile to this type of dynamism?Continue Reading

• Hadoop enables distributed 'big data' processing across clouds

  The Hadoop framework enables distributed 'big data' processing across servers that can improve application performance and offer up redundancy.Continue Reading

• How to test if software-defined networking standards are really open

  If software-defined networking standards are to work, they must be truly open. But how can users and developers be sure software-centric networking standards are really open?Continue Reading

• Software-defined networking with open APIs will mean real integration

  The answer to cloud networking is more than software-defined networking; it's network-centric software with open APIs that could result in deeper network systems integration.Continue Reading

• Can cloud VPNs completely secure network traffic?

  In this Ask the Expert response, VPN expert Rainer Enders discusses cloud VPN security and how enterprises can best protect their network's perimeter.Continue Reading

• Why software-defined networking is becoming a reality

  Software-defined networking isn't a new concept, but it's newly able to evolve due to fast processing speeds. Will that mean a future for network application development?Continue Reading

• Next-generation application delivery controllers: Cloud and mobility

  Next-generation application delivery controllers are evolving to play a role in cloud balancing, as well as in optimizing mobile application delivery and policy enforcement.Continue Reading

• Three enterprise cellular options

  When building a more complex WLAN for mobile devices is not a viable choice, there are a few enterprise cellular options that can extend coverage.Continue Reading

• Top five virtualization problems: Building a private cloud

  Blogger Josh Stephens lists building a private cloud as one of his top five virtualization problems. Why? For one, it's hard to even know what makes a private cloud.Continue Reading

• NVGRE standard primer: More VLANs and isolated tenants in the cloud

  Microsoft's NVGRE standard offers competition to VMware's VXLAN standard, promising to create more VLANs that stretch across Layers 2 and 3 for multi-tenant cloud networks.Continue Reading

• VXLAN standard primer: Extended VLANs, long-distance VM migration

  The VXLAN standard aims to solve the long-distance VM migration dilemma by enabling extended VLANs across geographically dispersed data centers for a multi-tenant cloud network.Continue Reading

• Virtualization security challenges are plentiful: What's the answer?

  The network plays a role in addressing virtualization security challenges, but typical firewalls are not necessarily part of the solution.Continue Reading

• 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.Continue Reading

• Top five virtualization problems: Virtualization capacity planning

  Fast Packet blogger Josh Stephens says a lack of virtualization capacity planning is one of the top-five virtualization problems that must be addressed.Continue Reading

• The ideal virtualization networking solution may not exist yet

  In a perfect world, virtualization networking would mean non-blocked, any-to-any access between nodes on the network, but that doesn't really exist yet. So what's the alternative?Continue Reading

• Virtual network appliances: Benefits and drawbacks

  There's lots of talk about network virtualization benefits, but are virtual network appliances all they're cracked up to be? Only in some scenarios.Continue Reading

• Integrating public and private cloud services

  Network managers must support integrated public and private cloud services because users will go under the radar to use public cloud services that help them get their work done more easily.Continue Reading

• How does cloud computing affect WAN bandwidth?

  This podcast interview with IT network expert Zeus Kerravala answers the question: How does cloud computing affect wide area network (WAN) bandwidth? Learn the answer to this question and discover what a WAN manager can do to lessen the negative ...Continue Reading

• How cloud computing challenges an IT manager's enterprise WAN strategy

  Understand how cloud computing challenges your enterprise wide area network (WAN) strategy and see how a WAN manager's job functions and responsibilities will change during a cloud computing implementation.Continue Reading

• Cloud networking: Inter-networking data centers and connecting users

  Cloud networks have a mission: connect a pool of resources that any user, anywhere can access without fail.Continue Reading

• Internal cloud computing on the cheap: Free automated provisioning?

  Internal cloud computing can be made inexpensive by using free software and in-house tools for automated server provisioning to better utilize existing compute resources. Learn how in this article from Nemertes Research principal research analyst ...Continue Reading

• Optimization of the data center with 10 Gigabit Ethernet

  Data center networking has taken advantage of 10 Gigabit Ethernet. Optimize your interconnection equipment and prevent latency with more efficient LAN technology.Continue Reading

• What is the difference between online backup and offline backup?

  What is the difference between online backup and offline backup? Find out from SearchNetworking.com's networking help desk expert, Amy Kucharik.Continue Reading