http://www.networkworld.com/community/blogs/cisco Subnet - Cisco bloggers en http://www.networkworld.com/community/blog/it-networking-organizations-state-transition-5?source=nww_rss In a number of recent blogs, I’ve described an ESG thesis called data center networking discontinuity. Simply stated, data center networking discontinuity describes the growing gap between data center scale and complexity on one hand and legacy data center networking equipment and manual management and operations on the other. Read more LAN & WAN Data Center CIO data center data center consolidation data center fabric data center networking discontinuity IT network convergence Network Engineering network operations network security server virtualization storage networking switch clustering Web Applications Thu, 09 Feb 2012 19:11:06 +0000 joltsik 79778 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/nicira-peels-back-curtain-future-networking-interview-nicira-cto-martin-casado?source=nww_rss Openflow and software-defined networking are being considered by many to be the architecture that will define the future of networking, and nobody is closer to the center of this technology movement than Nicira's Marin Casado, who is considered by many to be the father of OpenFlow. Nicira has been operating in stealth mode, but this week Nicira issued its first press release, providing insight into... LAN & WAN Endpoint Security Ethernet Switch Network Management Service Providers Cloud Computing networking Nicira Open-Source Networking OpenFlow software defined networking Tue, 07 Feb 2012 19:50:10 +0000 Art Fewell 79754 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/software-defined-networking-evolution-not-revolution-under-way?source=nww_rss Is it too early or too late to declare 2012 the year of SDN? A few weeks ago, IBM and NEC introduced integrated technologies around OpenFlow for enterprise data centers. Last week, HP announced OpenFlow support with 16 switch models. Finally, early this week, Nicira went public with its Distributed Virtual Network Infrastructure (DVNI). Read more LAN & WAN Ethernet Switch Cisco HP IBM Juniper Linux NEC Nicira OpenFlow openstack SDN Software-Defined Networking VMware Tue, 07 Feb 2012 16:15:56 +0000 joltsik 79751 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/when-where-and-how-cisco-versus-microsoft-unified-communications?source=nww_rss Earlier this week I was at a CIO conference in Europe and one of the big topics of conversation was Unified Communications. Remote working, collaboration initiatives and cost cutting have all made UC a more important topic over the past twelve months. There was lots of discussion about deployment issues, the ROI of UC, training issues, etc. but the biggest point of discussion was Cisco versus Microsoft... Unified Communications cisco systems Microsoft UC VoIP Fri, 03 Feb 2012 23:06:58 +0000 Zeus Kerravala 79738 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/cisco-sued-again-services-company?source=nww_rss Independent service organization Multiven this week filed another antitrust complaint against Cisco alleging again that the networking king abuses its dominant position in the market by denying opportunities for third-parties to service Cisco gear. Read more Applications Router litigation Multiven SMARTnet Thu, 02 Feb 2012 20:08:48 +0000 Jim Duffy 79727 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/anticipating-rsa-conference-2012?source=nww_rss It’s now February although you’d never know it from the balmy winter here in Boston. Aside from Valentine’s Day, February is significant because it is when security geeks from around the world get together in San Francisco for the RSA Conference. The show doesn’t start until 2/27 but you can feel the anticipation in the air across the whole security community. That’s a good thing since... Corporate Issues Security Cybercrime Amazon APT Check Point Cisco Countertack Damballa FireEye Google HP Juniper Networks LogRhythm McAfee Oracle Rackspace RSA Security SAP Sourcefire Stratfor Symantec Trend Micro Unisys Verizon Zappos.com Thu, 02 Feb 2012 18:41:11 +0000 joltsik 79725 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/f5-shakes-firewall-market?source=nww_rss The high-end of the firewall market has really been dominated by two companies: Crossbeam Systems (with Check Point Software) and Juniper Networks. Over the past few years, these two firms won most of the high revenue/high margin enterprise and service provider deals. Of course, others took notice and wanted their own piece of the pie. Cisco came out with its ASA 5580 a few years back. Network... Security Applications asa 5580 Big-IP Check Point Cisco Crossbeam F5 Networks HP IBM Juniper Next-generation firewall Palo Alto Networks Sourcefire SRX TMOS Viprion Wed, 01 Feb 2012 14:19:29 +0000 joltsik 79711 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/riverbed-announces-new-steelhead-platform-cxex-and-product-granite?source=nww_rss   Today Riverbed is announcing what I think is their best product to date in Granite. They are also showing two other steelhead models today in the CX and EX. I had the chance to sit down and chat with Bob Gilbert of Riverbed to ask a few questions and learn a little more. Please tell us about your background at Riverbed and what your current position entails. Read more Disaster Recovery Virtualization WAN Optimization block file acceleration. Cisco Cisco WAAS cx ex granite Riverbed WAN optimization vendor - Riverbed Technology Wed, 01 Feb 2012 13:48:45 +0000 Larry Chaffin 79710 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/cybersecurity-lessons-battlefield-europe?source=nww_rss At the beginning of WWI, battlefield tactics had not advanced much since the U.S. Civil War. The general goal was to continually advance on the enemy with waves of infantry attacks and eventually break through the lines by overwhelming enemy defenses. Read more Security Advanced Persistent Threat APT cybersecurity security intelligence Tue, 31 Jan 2012 14:25:52 +0000 joltsik 79703 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/communities-will-lead-next-wave-competitive-advantage-networking?source=nww_rss LAN & WAN Data Center adc network script wireless Tue, 31 Jan 2012 00:49:17 +0000 Zeus Kerravala 79698 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/cisco-fellow-lands-nicira?source=nww_rss The industry is awaiting the official debut of Nicira, a stealthy network virtualization start-up backed by Andreessen Horowitz, among other investors. Nicira is fresh off of landing a Cisco Fellow as its chief service provider architect, according to AllThingsD. Read more Personnel Virtualization IETF Nicira steve jobs Mon, 30 Jan 2012 21:50:52 +0000 Jim Duffy 79697 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/end-life-cisco-hardware-what-are-your-options?source=nww_rss   Has this ever happened to you? Your IT life is good. Your network is running smoothly. Then something or someone jostles something in your gray matter and you realize that some of your Cisco switches and routers are going end-of-life (EOL).  For instance, did you know it was recently announced that a whole bunch of Cisco switches are going end-of-life?   Read more Network Management Cisco Cisco hardware EOL Cisco life cycle management network hardware replacement Mon, 30 Jan 2012 15:24:08 +0000 Frank Kobuszewski 79690 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/cisco-ceo-says-russia-china-top-us-business?source=nww_rss Is Russia better for business and a better place to do business than the US? Cisco CEO John Chambers thinks so. Read more Investments Is Cisco unpatriotic for refusing to repatriate its cash back to the U.S. at the 35% federal tax rate John Chambers Russia Fri, 27 Jan 2012 00:09:33 +0000 Jim Duffy 79676 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/my-thoughts-ibm-nec-and-openflow?source=nww_rss IBM and NEC announced this week that the two companies will work together to offer networking solutions based upon SDN and OpenFlow. IBM provides the switches which are integrated with the NEC Programmable Flow Controller. To me, this is bigger than just a press release and some joint marketing programs. Here’s why: Read more LAN & WAN Data Center 3Com Brocade Cisco Citrix HP IBM IOS Juniper Microsoft NEC Nexus OpenFlow Red Hat SDN VMware Wed, 25 Jan 2012 19:56:30 +0000 joltsik 79663 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/cisco-asdm-gui-tips-and-tricks-managing-your-cisco-asa?source=nww_rss Cisco's Adaptive Security Device Manager (ASDM) is the GUI tool used to manage the Cisco ASA security appliances.  In this blog I'll reveal to you some of my favorite tips, tricks and secrets found inside ASDM.  If you haven't dealt with it before, ASDM is a free configuration, monitoring and troubleshooting management tool that comes with the ASA.  In a nutshell, ASDM will manage all the features... Security Firewall & UTM asa asdm ASDM asdm best practices asdm help asdm tips asdm tricks cisco asa asdm cisco asdm Heary Jamey Heary managing cisco asa security Wed, 25 Jan 2012 01:44:47 +0000 jheary 79654 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/fear-tablet-cisco-survey?source=nww_rss Fear the personal device at work. Your IT manager does. Read more Security Mobile Apps portable devices security policies tablets Tue, 24 Jan 2012 23:14:23 +0000 Jim Duffy 79653 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/information-security-budgets-will-increase-2012-0?source=nww_rss As part of our annual IT Spending Intentions survey, ESG asks IT professionals about overall spending trends for the coming year.  Like other analyst firms, ESG found that IT budgets will increase in 2012, albeit at a modest rate. Read more Security Advanced Persistent Threat APT Check Point Cisco Damballa FireEye HP IBM ISC2 Juniper McAfee network security Palo Alto Networks RSA Security SANS institute security staff SIEM Sourcefire Symantec Trend Micro Unisys Tue, 24 Jan 2012 15:56:58 +0000 joltsik 79644 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/information-security-budgets-will-increase-2012?source=nww_rss As part of our annual IT Spending Intentions survey, ESG asks IT professionals about overall spending trends for the coming year.  Like other analyst firms, ESG found that IT budgets will increase in 2012, albeit at a modest rate. Read more Security Advanced Persistent Threat APT Check Point Cisco Damballa FireEye HP IBM ISC2 Juniper McAfee network security Palo Alto Networks RSA Security SANS institute security staff SIEM Sourcefire Symantec Trend Micro Unisys Tue, 24 Jan 2012 15:56:54 +0000 joltsik 79643 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/prepping-ccde-practical-0?source=nww_rss Ever since I passed my CCDE, I get emails from random people, some I know and some I don't know.  The wording can be different, but the essence of the email is always the same -  "How does one study for the CCDE"?  Read more Router CCDE CCIE IT Certifications Sun, 22 Jan 2012 21:32:17 +0000 Denise Fishburne 79626 at http://www.networkworld.com/community http://www.networkworld.com/community/blog/making-my-amends-3?source=nww_rss "Uh ... Err ... Hi again. It's me. So ... uh ... how's it going? What have you been up to? Err ... umm ..."Ever had one of those times in your life that you just don't know what to say to a friend? You told them you would do something (call, write, return a call, keep in touch, call more often) but you don’t.  And then time passes.  And you think to yourself… "Man, I have to fix this."  But... Router Cisco Fri, 20 Jan 2012 19:03:22 +0000 Denise Fishburne 79620 at http://www.networkworld.com/community