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July 1st, 2010
By Nick Lippis, the Lippis Report
A number of independent trends are driving a new age of massively scalable data centers. One of these trends include a new IT delivery model based upon cloud computing, where large hosting facilities provide a range of IT services to corporations and governments. Further, high performance computing (HPC) facilities built via server clusters on the order of thousands to tens of thousands of servers and more has ushered in new favorable economics, thanks to its use of x86 commodity hardware. The growth of public hosting and HPC facilities will only continue as efficient data center economics point to a fewer number of highly dense sites. It is this data center market segment, where the number of servers per facility is greater than 5,000, that we focus this white paper from a perspective of fabric, connecting servers and storage to internet/intranet via high performance Ethernet networking. For IT architects and designers of high-end data centers, this is the most important network design paper you will read this year.
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Tags: Cisco, data center fabric, Ethernet, FSS, IT business leaders, Nexus, UC
Posted in Enterprise Virtualization, Lippis | 2 Comments »
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May 17th, 2010
By Cisco Systems
Virtualization is rapidly becoming an essential tool for more fully harnessing and managing the power of today’s data center servers. In only a few years, standard x86 server technology has increased in performance and density so that today, multisocket, quad-core systems with 32 or more gigabytes of memory, are the norm. The combination of multicore computing and virtualization software such as VMware Virtual Infrastructure has enabled IT departments to bring server sprawl under control by running multiple independent workloads on a smaller number of servers. Today, fewer servers are required to do the same work, and their utilization levels have increased — both factors that contribute to greater energy efficiency and lower power and cooling costs.
As IT departments have discovered the benefits of server consolidation, they have also found that virtualization solves an even broader set of problems. Business continuity plans based on virtualization can make disaster-recovery solutions simple, reliable, and more cost effective. Virtual desktop environments can use centralized servers and thin clients to support large numbers of users with standard PC configurations that help to lower both capital and operating costs. Virtualization allows development, test, and production environments to coexist on the same servers, and it helps decouple application deployment from server purchasing decisions. New applications can be deployed in virtual environments and scaled on demand to accommodate the evolving needs of
the business.
Tags: 10GbE, Cisco, Cloud Computing, Data Center Ethernet, Enterprise Virtualization, Ethernet, IT business leaders, Nexus
Posted in Cisco, Enterprise Virtualization | 1 Comment »
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April 5th, 2010
Many IT leaders are striving to understand who is on their network and what they are doing. These are two simple questions and yet, in many cases, IT business leaders do not have a good way to answer them. And once IT leaders are able to obtain this information the question then becomes what else I can do with the data: obtain a history report, perform statistics for analysis and planning, generate compliance reports and much more. To tightly link business processes with networked applications, IT leaders need to wrap policy, identity and security around users and IT assets.
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Tags: 802.1x, business leaders, Catalyst, Cisco, encryption, IT leaders, network security, networking, Nexus, TrustSec
Posted in Lippis Report | 2 Comments »
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March 17th, 2010
By Cisco Systems
The traditional network and physical perimeter is no longer the only borderline to defend information security. Collaboration, IT consumerization, mobility, and new computing technologies are driving productivity gains while presenting renewed security requirements. There is greater pressure on IT to meet the demands of a dynamic workforce, both in terms of service delivery and security challenges. New solutions are needed to protect borderless networks and to help further improve business efficiencies in the mean time. Cisco® TrustSec is such a solution.
To find out how to protect your network with TrustSec download this white paper now
Tags: 802.1x, business leaders, Catalyst, Cisco, encryption, IT leaders, network security, networking, Nexus, TrustSec
Posted in Cisco, Network Security | 4 Comments »
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March 17th, 2010
Cisco’s TrustSec is architecture with its implementation spread across client software, infrastructure (Catalyst & Nexus) and policy (Access Control System and NAC appliance). Cisco has expanded TrustSec to incorporate 802.1x clients allowing IT leaders to mix and match NAC and 802.1x endpoints. TrustSec organizes and simplifies authentication and policy schema allowing administrators to configure and maintain identity-based access to IT resources while identifying and applying policy based on a user roles in the organization. TrustSec also provides encrypted links at the switch port level. Steven Song Security Business Manager in the Network Systems & Security group at Cisco Systems joins me to discuss TrustSec and how Cisco is expanding its services and importance for IT business leaders.
Tags: 802.1x, business leaders, Catalyst, Cisco, encryption, IT leaders, network security, networking, Nexus, TrustSec
Posted in Cisco, Network Security, Thought Leader Podcast Series | 2 Comments »