Network Architecture - Infoworld http://www.infoworld.com/t/2076 en Cisco reveals OpenFlow SDN killer http://www.infoworld.com/d/networking/cisco-reveals-openflow-sdn-killer-239642?source=rss_network_architecture <p>At Interop this week, Cisco is unveiling an alternative to OpenFlow for <a href="http://www.networkworld.com/news/2014/031314-sdn-tips-279688.html" target="_blank">software-defined networking</a> and proposing it as a standard, while adding it as a vital component of the company's new programmable architecture.</p> Networking Cisco Systems Network Architecture SDN Wed, 02 Apr 2014 14:27:24 +0000 admin 239642 at http://www.infoworld.com Virtualization roulette: One 10G switch is never enough http://www.infoworld.com/d/data-center/virtualization-roulette-one-10g-switch-never-enough-219254?source=rss_network_architecture <div id="blog-edit" style="padding: 8px; background: none no-repeat scroll center top #ffffff; position: relative; float: right; width: 243px; height: 192px;"><img src="http://www.infoworld.com/sites/infoworld.com/files/media/image/roulette.jpg" alt="Virtualization roulette: One 10G switch is never enough" width="243" height="182" align="right" /><br /><em><p align="right">Credit: Håkan Dahlström</p></em></div> Data Center Networking Virtualization Server Virtualization Network Architecture Network Switch Data Center Networking Virtualization Tue, 28 May 2013 10:00:00 +0000 Paul Venezia 219254 at http://www.infoworld.com Here's why you really need SDN http://www.infoworld.com/d/data-explosion/heres-why-you-really-need-sdn-216419?source=rss_network_architecture <p>Last week, I wrote about the <a href="http://www.infoworld.com/d/data-explosion/the-conflicted-rise-of-software-defined-networking-215914">confused approach many of the largest network vendors are taking to software-defined networking (SDN)</a>. In most cases, the issue is that the shift to SDN from their current hardware-focused business would cause them real economic pain, not an aversion to the fundamental benefits for customers of freeing networks from specialty hardware.</p> Cloud Computing Data Center Data Explosion Networking Hybrid Cloud IaaS Network Architecture SDN Virtualization IDG Insider Mon, 15 Apr 2013 10:00:00 +0000 Matt Prigge 216419 at http://www.infoworld.com Why you never let a vendor design your network http://www.infoworld.com/d/data-center/why-you-never-let-vendor-design-your-network-213618?source=rss_network_architecture <div id="blog-edit" style="padding: 8px; background: none no-repeat scroll center top #ffffff; position: relative; float: right; width: 243px; height: 182px;"><img src="http://www.infoworld.com/sites/infoworld.com/files/media/image/fingers_pointed.jpg" alt="Why you never let a vendor design your network" width="243" align="right" /><br /><em><p align="right">Credit: Jutta Kuss</p></em></div> Computer Hardware Data Center Networking IT Strategy Network Architecture Servers Data Center Networking Mon, 04 Mar 2013 11:00:00 +0000 Paul Venezia 213618 at http://www.infoworld.com Data center planning: Surprising tools of the trade http://www.infoworld.com/d/data-explosion/data-center-planning-surprising-tools-of-the-trade-210151?source=rss_network_architecture <p>The last time you applied for a tech job (or evaluated a résumé of someone applying for one), how much weight did you apply to expressing your skill with basic productivity tools like <a href="http://www.infoworld.com/d/microsoft-windows/first-look-microsoft-office-2013-197802">Microsoft Office</a> or <a href="http://www.infoworld.com/d/applications/open-office-dilemma-openofficeorg-vs-libreoffice-716">OpenOffice</a>? My guess would be very little. In the résumés I've seen from prospective applicants, it's sometimes not even mentioned.</p> Applications Data Explosion Data Center Design Network Architecture Storage Management Office Software IDG Insider Mon, 07 Jan 2013 11:00:00 +0000 Matt Prigge 210151 at http://www.infoworld.com The advantages of IT on a shoestring budget http://www.infoworld.com/d/data-explosion/the-advantages-of-it-shoestring-budget-206777?source=rss_network_architecture <p>In IT, there are two schools of thought on when to replace aging equipment. Most organizations depreciate IT assets over a fixed period of time and replace them when the clock ticks down. But many other organizations, especially service providers, happily <a href="http://www.infoworld.com/d/data-center/secondhand-networks-and-back-alley-firmware-181975">ride old, gray-market IT gear</a> until it breaks.</p> Computer Hardware Data Center Data Explosion Networking Storage IT Management Network Architecture Servers Tech Support Storage IDG Insider Mon, 12 Nov 2012 11:00:00 +0000 Matt Prigge 206777 at http://www.infoworld.com VMware vSphere 5.1 and the end of traditional networking http://www.infoworld.com/d/data-center/vmware-vsphere-51-and-the-end-of-traditional-networking-200829?source=rss_network_architecture <p>Many new concepts have arisen with the advent of large-scale virtualization technologies, such as the ability to seamlessly migrate running virtual machines among physical hosts and even across data centers -- not to mention transitioning entire running data centers between real-world locations.</p> Data Center Networking Virtualization Server Virtualization Network Architecture Data Center Mon, 27 Aug 2012 16:00:00 +0000 Paul Venezia 200829 at http://www.infoworld.com How to choose the right iSCSI switch http://www.infoworld.com/d/data-explosion/how-choose-the-right-iscsi-switch-199339?source=rss_network_architecture <p>I've written a few times about the many <a href="http://www.infoworld.com/d/data-explosion/build-bulletproof-network-ip-storage-192467">unexpected complexities involved in getting an IP storage network to work</a> optimally.</p> Data Explosion Networking Storage Network Architecture iSCSI Network-attached Storage Network Storage Network Switch Storage Fabric Networking Storage IDG Insider Mon, 06 Aug 2012 10:00:00 +0000 Matt Prigge 199339 at http://www.infoworld.com Pushing the limits of virtual networking http://www.infoworld.com/d/data-explosion/pushing-the-limits-of-virtual-networking-198274?source=rss_network_architecture <p>Recently, I was faced with an interesting virtual networking problem: how to allow a large virtualization environment to be failed over to a recovery data center and thoroughly tested, without impacting the production network. As is often the case, my quest for an elegant solution took me down the rabbit hole and led to consideration of several new virtualization networking technologies. In the end, I didn't achieve exactly what I set out to, but I did catch a glimpse of what the future might hold.</p> Data Explosion Networking Storage Virtualization Server Virtualization Network Architecture Network Router Network Switch Storage IDG Insider Mon, 23 Jul 2012 10:00:00 +0000 Matt Prigge 198274 at http://www.infoworld.com Could the .secure domain make the Internet safer? http://www.infoworld.com/t/network-security/could-the-secure-domain-make-the-internet-safer-193454?source=rss_network_architecture <div style="padding: 8px; background: none no-repeat scroll center top #ffffff; position: relative; float: right; width: 243px; height: 182px;"><img src="http://www.infoworld.com/sites/infoworld.com/files/media/image/Browser_Security_hp.jpg" alt="Could the .secure domain make the Internet safer?" width="243" height="182" align="right" /></div><p>Most calls for new TLD (top-level domain) names seem like little more than real estate developers proposing the creation of entire new continents just to lease the land. Security Internet Network Architecture Network Security Security Tools Web Security Thu, 24 May 2012 10:00:00 +0000 InfoWorld Tech Watch 193454 at http://www.infoworld.com Get your storage network right for NFS http://www.infoworld.com/d/data-explosion/get-your-storage-network-right-nfs-193011?source=rss_network_architecture <p>Last week I wrote about some of the basics of <a href="http://www.infoworld.com/d/data-explosion/build-bulletproof-network-ip-storage-192467">designing a network for use with IP storage</a>. While building in an appropriate level of redundancy and properly configuring VLANs and Spanning Tree are critical, implementing those design fundamentals barely begins to scratch the surface of the work necessary to <a href="http://www.infoworld.com/d/data-center/8-steps-building-and-maintaining-infrastructure-road-map-184148">build an exemplary IP storage infrastructure</a>.</p> Data Explosion Network Architecture Network-attached Storage Network Switch Storage Area Network Networking Storage Virtualization IDG Insider Mon, 14 May 2012 11:07:02 +0000 Matt Prigge 193011 at http://www.infoworld.com Build a bulletproof network for IP storage http://www.infoworld.com/d/data-explosion/build-bulletproof-network-ip-storage-192467?source=rss_network_architecture <p>Virtualization continues to make huge inroads, thanks to the obvious flexibility and reliability benefits. And getting the most out of virtualization almost always requires some kind of shared storage. Otherwise, features such as live virtual machine migration and automated virtualization host failure recovery simply aren't available.</p> Data Center Data Explosion Networking Storage Network Architecture iSCSI Network Switch Storage Area Network Networking Storage IDG Insider Mon, 07 May 2012 10:00:00 +0000 Matt Prigge 192467 at http://www.infoworld.com Juniper exec gives inside look at QFabric http://www.infoworld.com/d/networking/juniper-exec-gives-inside-look-qfabric-186566?source=rss_network_architecture <p>R.K. Anand, executive vice president and general manager of Juniper Networks' Data Center Business Unit, was employee No. 12 of the network startup back in 1996, leaving a job as a microprocessor designer at Sun Microsystems. Years later he left Juniper for a brief stint at another startup, but came back to help finalize the company's QFabric product and get it out the door. QFabric began shipping in September 2011.</p> Networking Network Architecture IDG Insider Thu, 16 Feb 2012 12:43:34 +0000 admin 186566 at http://www.infoworld.com Google looks to speed up the Internet http://www.infoworld.com/d/networking/google-looks-speed-the-internet-184839?source=rss_network_architecture <p>Google technicians want an overhaul of the Web's TCP (Transmission Control Protocol) transport layer and are suggesting ways to reduce latency and make the Web faster.</p> Networking Google Internet Network Architecture Tue, 24 Jan 2012 11:00:00 +0000 Paul Krill 184839 at http://www.infoworld.com Getting out of jail free http://www.infoworld.com/d/data-explosion/getting-out-jail-free-183425?source=rss_network_architecture <p>It's 1:30 in the morning. By some miracle, you were able to get approval for a four-hour <a href="http://www.infoworld.com/d/data-explosion/downtime-good-181331">downtime window</a> to complete a long list of overdue patching and network maintenance. Even better, you're done a half-hour early. Life is good!</p> Data Center Data Explosion Networking Storage IT Training Network Architecture Network Monitoring Storage Management Systems Management Storage IDG Insider Mon, 09 Jan 2012 11:00:00 +0000 Matt Prigge 183425 at http://www.infoworld.com Secondhand networks and back-alley firmware http://www.infoworld.com/d/data-center/secondhand-networks-and-back-alley-firmware-181975?source=rss_network_architecture <p>When it's time to update firmware on, say, a router or a switch, the vast majority of folks head to the vendor site and grab whatever version they need, easy-peasy. But a large and growing number of admins don't have that luxury because the vendor requires paid support contracts to access those files -- and, in many cases, will only allow access to firmware for hardware covered under those contracts.</p> Data Center Networking Network Architecture Network Management Network Router Network Switch Insider Threats Networking Mon, 19 Dec 2011 11:00:00 +0000 Paul Venezia 181975 at http://www.infoworld.com VXLAN is a missed opportunity http://www.infoworld.com/d/data-explosion/vxlan-missed-opportunity-174638?source=rss_network_architecture <p>At VMworld 2011, VMware made a big deal about a new networking protocol it has developed in cooperation with server and networking heavyweights like Arista, Broadcom, Cisco, Citrix, and Red Hat. That protocol, Virtual Extensible Local Area Network or VXLAN, promises to ease many of the networking challenges experienced by enterprises and providers attempting to build very large, multitenant networks, such as big private clouds and public IaaS (infrastructure-as-a-service) clouds.</p> Data Explosion Server Virtualization Network Architecture Wide Area Networking Networking Storage Virtualization IDG Insider Mon, 03 Oct 2011 10:00:00 +0000 Matt Prigge 174638 at http://www.infoworld.com The network must converge -- but admin roles don't have to http://www.infoworld.com/d/data-explosion/the-network-must-converge-admin-roles-dont-have-170982?source=rss_network_architecture <p>The relentless march of network convergence is transforming the data center into a leaner, more efficient animal than ever before. But convergence also presents <a href="http://www.infoworld.com/d/data-explosion/what-the-converged-data-center-really-means-283">serious challenges</a> to traditionally siloed IT departments -- blurring the roles of server, network, and storage administrators.</p> Data Center Data Explosion Networking Virtualization Cisco Systems Server Virtualization IT Training Network Architecture Network Convergence Network Switch Networking Storage Virtualization IDG Insider Mon, 29 Aug 2011 10:00:00 +0000 Matt Prigge 170982 at http://www.infoworld.com Why network administration is so bleeping hard http://www.infoworld.com/d/data-center/why-network-administration-so-bleeping-hard-100?source=rss_network_architecture <p>At least once during a heavy network configuration or troubleshooting session, some onlooker gets a quizzical look and says something to the effect of, "Gee, that seems really complicated. Isn't there an easier way?"</p> <p>More often than not, this occurs while I'm knee deep in a pile of ssh or telnet sessions to various routers, switches, or firewalls, and keeping a few dozen variables in my head. "No," I reply, "there isn't."</p> Data Center Networking Network Architecture Network Management Networking Mon, 09 May 2011 10:00:00 +0000 Paul Venezia 160100 at http://www.infoworld.com IDG Enterprise CEO Interview Series: Meru President and CEO Ihab Abu-Hakima http://www.infoworld.com/d/networking/idg-enterprise-ceo-interview-series-meru-president-and-ceo-ihab-abu-hakima-762?source=rss_network_architecture <p>Meru Networks claims to have been the first company to deliver an <a href="http://www.networkworld.com/news/2010/091310-11n-essentials.html" target="_blank">802.11n</a> access point and is now riding that technology's popularity as enterprises move increasingly to high-speed <a href="http://www.networkworld.com/topics/wireless.html" target="_blank">wireless</a> networks.</p> Data Center Mobile Technology Networking Virtualization IDGE CEO Interview Series Network Architecture Network Management Network Switch Mobile Tools VoIP Wireless LAN Data Center Networking Virtualization IDG Insider Mon, 04 Apr 2011 15:18:34 +0000 uphan 156762 at http://www.infoworld.com