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A typical “non-virtualized†data center has three network layers, Top-of-Rack, End-of-Row and Core switches. But virtualized infrastructure adds two additional layers—the virtual switch and blade switch—raising the number of tiers from 3 to 5. This significantly increases latency plus the number of network elements within the data center resulting in increased data center management complexity. I talk with Shehzad Merchant, Senior Director for Strategy at Extreme Networks, about Extreme’s flattening approach to data center network fabric through its DirectAttach.
• 79% of clicks on “Here You Have†email occurred within the first three hours of the worm’s spread.
• During 3Q10, 7% of all Web malware encounters resulted from Google referrers, followed by Yahoo at 2%, Bing/MSN at 1% and Sina at 0.1%.
• Exploits targeted Sun Java increased from 5% of all Web malware encounters in July 2010 to 7% in September 2010.
• The Rustock Botnet was the highest occurring ROS event in 3Q10, at 21% of events handled during the report period.
• Peak Rustock activity occurred in late August 2010, declining in September 2010.
-Has read the Cisco Security Information and Event Management and Borderless Networks Enterprise Deployment Guide
-Wants to connect Borderless Networks to a Splunk SIEM solution
-Wants to gain a general understanding of the Splunk SIEM solution
-Has a level of understanding equivalent to a CCNA® certification
-Wants to solve compliance and regulatory reporting problems
-Wants to enhance network security and operations
-Wants to improve IT operational efficiency
-Wants the assurance of a validated solution
-Has read the Cisco Security Information and Event Management and Borderless Networks Enterprise Deployment Guide
-Wants to connect Borderless Networks to a RSA SIEM solution
-Wants to gain a general understanding of the RSA SIEM solution
-Has a level of understanding equivalent to a CCNA® certification
-Wants to solve compliance and regulatory reporting problems
-Wants to enhance network security and operations
-Wants to improve IT operational efficiency
-Wants the assurance of a validated solution
-Has read the Cisco Security Information and Event Management and Borderless Networks Enterprise Deployment -Guide
-Wants to connect Borderless Networks to a nFX Cinxi One SIEM solution
-Wants to gain a general understanding of the nFX Cinxi One SIEM solution
-Has a level of understanding equivalent to a CCNA® certification
-Wants to solve compliance and regulatory reporting problems
-Wants to enhance network security and operations
-Wants to improve IT operational efficiency
-Wants the assurance of a validated solution
-Has read the Cisco Security Information and Event Management and Borderless Networks Enterprise Deployment Guide
-Wants to connect Borderless Networks to a LogLogic SIEM solution
-Wants to gain a general understanding of the LogLogic SIEM solution
-Has a level of understanding equivalent to a CCNA® certification
-Wants to solve compliance and regulatory reporting problems
-Wants to enhance network security and operations
-Wants to improve IT operational efficiency
-Wants the assurance of a validated solution
-Has read the Cisco Security Information and Event Management and Borderless Networks Enterprise Deployment Guide
-Wants to connect Borderless Networks to the ArcSight SIEM solution
-Wants to gain a general understanding of the ArcSight SIEM solution
-Has a level of understanding equivalent to a CCNA® certification
-Wants to solve compliance and regulatory reporting problems
-Wants to enhance network security and operations
-Wants to improve IT operational efficiency
-Wants the assurance of a validated solution
Over the next few years Wi-Fi networks will transition to 802.11n technology. During this time, many networks will support a mix of 802.11a/g and 802.11n clients. Because they operate at lower data rates, the older clients can reduce the capacity of the entire network. ClientLink technology can help solve problems related to adoption of 802.11n in mixed-client networks by making sure that 802.11a/g clients operate at the best possible rates, especially when they are near cell boundaries.
This is a first, while this paper is not “white,†it’s a very cool one- page view of Cisco’s borderless network routers. You have to check this out:
Download Cisco’s Enterprise Routing Portfolio here
Move a Virtual Machine (VM) from one physical server to another, and network port profile, VLANs, security settings, etc., have to be reconfigured. Many networking companies haven’t taken the critical step of giving complete visibility and control of the VM lifecycle from an infrastructure perspective. But with XNV, Extreme Networks is bringing this functionality and visibility to network administrators, tracking VMs and applying policy as they move throughout the network. Shehzad Merchant, Senior Director for Strategy at Extreme Networks, joins me for a discussion about Extreme’s approach to network automation and visibility of virtualized infrastructure through its XNV software module.
Nick Lippis of the Lippis Report announces the participating vendors in the 10GbE Data Center Network Fabric test at the iSimCity lab during the week of Dec 6-10, 2010. Â Watch it here
IT business leaders are faced with a great economic shift, while at the same time are afforded the opportunity of a shift in IT delivery models. Business leaders must balance maintaining their current infrastructure, while exploring these IT delivery innovations. Most importantly, IT business leaders need to use their IT budget, approximately 4% of corporate spend, to significantly enhance and reduce the other 96% of corporate spend. But it’s not just an economic calculus that is diving post great recession IT spending. IT leaders need to engineer their delivery to be flexible to support current business growth, ongoing change, and long-term business goals. Robert Taylor, VP of HP Enterprise Services joins me to discuss what he has learned from HP’s global 2000 customers as they emerge from the economic downturn and prepare for a new business cycle with IT.
To exploit the benefits of server virtualization, data centers need to enable the dynamic and automatic movement of Virtual Machines while protecting their security and maintaining accessibility. Data center network plays a large role in delivering these and other important services for virtualized environments. Current networking switches are not aware of Virtual Machines, and this creates security and availability issues for both server and network administrators as they try to fully exploit the value of virtualization and manage this new environment.
Find out how to build a VM-aware network by downloading this white paper.
A typical “non-virtualized†data center has three network layers, Top-of-Rack, End-of-Row and Core switches. But virtualized infrastructure adds two additional layers—the virtual switch and blade switch—raising the number of tiers from 3 to 5. This significantly increases latency plus the number of network elements within the data center resulting in increased data center management complexity. I talk with Shehzad Merchant, Senior Director for Strategy at Extreme Networks, about Extreme’s flattening approach to data center network fabric through its DirectAttach.
