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Software-defined networking (SDN) is a solution that will enable your organization to meet the demands of network programmability and automation.

Learn more about why it is important to understand Supplier management, the value and trust it establishes between an organization and a supplier.

Students who take ITIL 4 Foundation will learn the latest best practices in ITSM, the new terminology that organizations are using within ITSM.

The purpose of a “hack back” is to identify an attacker and possibly recover stolen data in a retaliatory manner. Learn if there is a legal precedent to "hacking back."

The Information Technology Infrastructure Library is a set of best practices designed to describe common approaches for IT service management (ITSM).

The Cisco UCS is truly a “unified” architecture that integrates three major datacenter technologies into a single, coherent system: Computing Network Storage Instead of being simply the next generation of blade servers, the Cisco UCS is an innova­tive architecture designed from scratch to be highly scalable, efficient, and powerful with one-third less infrastructure than traditional blade servers.

In the previous post, we discussed the need for VXLAN in the cloud along with the issues it solves. In this post, we will focus more on how VXLAN works.

ITIL describes a service portfolio as a collection of the overall set of services managed by a service provider. A service portfolio describes a service provider’s boundaries and promises across all of the customers and market spaces it serves. I like to think of a service portfolio as describing the past, present, and future collection of services offered by a service provider. The figure below shows a high-level view of a service portfolio.

Are you at a crossroads professionally or looking to start training for a new job? If so, you might want to consider pursuing network administration as a career. Network administrators are responsible for maintaining computer hardware and software systems that make up a computer network, including maintaining and monitoring active data networks, converged infrastructure networks, and related network equipment.

Answer? When it is flagged as a retransmission in Wireshark!