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  • Author: kityvn
  • Date: 4-02-2015, 13:48
4-02-2015, 13:48

Data Center 3.0 for Network Engineers

Category: Tutorials




Every major vendor is promoting server virtualization and cloud computing as the magic technologies that will help you cut data center costs while increasing productivity and service availability. It's true - data center redesign can save you a lot of money ... assuming you can make sense of the incomprehensible soup of technologies and acronyms and choose wisely.
DATA CENTER 3.0 FOR NETWORKING ENGINEERS

Target Audience

This webinar is ideal for IT managers and networking engineers that have to understand the big picture: how the Data Center buzzwords and technologies they hear about relate to reduced costs and increased availability of their Data Center services. It will also help engineers with networking or programming background understand the architectural options and solutions used in modern Data Centers.

Delivery

The Data Center 3.0 for Networking Engineers is a 4-hour fast-pacing technical presentation available as a set of downloadable videos that you can buy in our online store. We can also organize an on-site workshop, where the topics of this presentation are combined with in-depth discussion of other data center, virtualization or cloud networking topics that apply to your network.

Content Overview

BUSINESS TRENDS

You want to truly understand a complex problem? Put aside the technology for a moment and follow the money. Data centers are no different. We're all faced with pressures to reduce the capital and operational expenses while increasing application availability. The only way to reach this goal is through aggressive utilization of modern virtualization technologies that help you increase equipment utilization and reduce electricity and cooling costs.

SERVER VIRTUALIZATION

Server virtualization (the ability to run multiply logical machines on the same physical hardware) is the core technology of the modern data center design. It significantly increases equipment utilization, thus reducing power consumption, and drastically reduces the average server deployment time.

This section describes the basics of server virtualization, most popular products, high-availability solutions and automatic power reduction measures.

LAN VIRTUALIZATION

Logical servers running within the same physical server might have different security requirements; sometimes you even have to isolate them from each other. Virtual Local Area Networks (VLANs) and private VLANs (PVLAN) were the traditional infrastructure providing the inter-server isolation.

However, be aware that every server virtualization platform contains a virtual switch that extends the bridging domain of your network. The introduction of virtual switches has to be carefully planned ... or you might end up with a fantastic network meltdown due to a bridging loop or a security breach due to extra connectivity invisible to the networking gear.

STORAGE AREA NETWORKS

You can only benefit from advanced server virtualization technologies if the storage used in your data center supports access to the same data from multiple physical servers. A storage area network (SAN) is thus a mandatory component of modern data center designs.

Understanding the SAN evolution definitely helps you to understand the SAN challenges we're facing today. This section describes how SCSI transformed into Fiber Channel (FC) and iSCSI and explains modern alternatives (iSCSI, FCoE or NFS) and means of extending storage networks over large distances.

BRIDGING, ROUTING OR SWITCHING

Some application developers and server administrators would like to see the Data Center designed as a huge bridged network, as this "design" makes their life extremely easy: every host can communicate with every other host even when using weird technologies that should never have been deployed (example: Microsoft's NLB in Unicast Mode). The networking engineer trying to introduce scalability and security in such an environment is clearly doomed to fail.

This section describes the true needs for data center bridging, emerging bridging technologies (DCB, L2MP, TRILL), their potential usability and pitfalls, as well as the proper position of routing in the data center design.

DISASTER RECOVERY AND HIGH AVAILABILITY

Very high application availability is a must for any business that relies heavily on IT infrastructure for its day-to-day operations. The required availability is usually achieved with help of redundant data centers, operating in active/standby or even active/active (load balancing) configurations.

This section describes the basics of high availability data center design and demonstrates how you can use numerous Service Provider services (including dark fiber, MPLS/VPN and VPLS services) to build your redundant infrastructure.

EXCLUSIONS

The webinar does not address device configurations or other low-level technical details. We can cover these details in a follow-up discussion during the on-site delivery or you could attend in-depth technology-specific webinars as they become available.









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