Archive for August, 2008
August 28th, 2008 by Mitja Robas
Are you building a backup data center (BDC) and experiencing headaches due to the related expenses? Or perhaps you already have a BDC and want to reduce the operational expenses?
One way to cut expenses is to look at the second data center as the active data center, and utilize its ...
Posted in DNS, Data Center, Technical | No Comments »
August 27th, 2008 by Bojana Stucin
In addition to providing IINS classroom training, NIL offers the ability to test various aspects of security remotely on real equipment. With no extra costs and concerns about equipment, you simply order IINS remote labs and practice the task-oriented exercises to extend your Cisco IOS network security knowledge. Available for ...
Posted in New Products and Services, Remote Lab Exercises, Security | No Comments »
August 26th, 2008 by Bojana Stucin
Have to deliver a Cisco Voice over IP (CVOICE) 6.0 course, but missing hands-on labs? NIL CVOICE 6.0 Remote Labs support your instructor-led training! Course labs consist of comprehensive, task-oriented exercises. Individual startup configurations ensure that students concentrate on the current task; no errors are left behind from previous exercises. ...
Posted in New Products and Services, News, Remote Lab Exercises, Voice | No Comments »
August 21st, 2008 by Marjan Bradesko
Remote labs. Google. Wikis and other Web 2.0 tools. That is how we practice and learn today. All the activities are performed outside of our production network - one of the many benefits of remote labs. We configure devices, progress through exercises, monitor and compare the effects of our actions ...
Posted in In general, Training | No Comments »
August 18th, 2008 by Ivan Pepelnjak
Majority of the network performance issues would never occur if someone would force the application developers to use their own solutions across a slow-speed high-delay wide area connection. But since they're allowed to work in high-speed LAN environments, we're stuck with inefficient transport protocols, file sharing solutions, software distribution methods ...
Posted in Book reviews, WAAS | No Comments »
August 12th, 2008 by Mitja Robas
When setting up a distributed data center (DDC), the architect has to decide which method will be used for site selection to distribute client traffic between the sites. The distribution is done using global server load balancing (GSLB), typically via HTTP redirect, DNS-based site selection or route health injection (RHI) ...
Posted in DNS, Data Center, HTTP, Technical | No Comments »
August 7th, 2008 by Jan Bervar
In parts 1 and 2 of this series I bashed some aspects of the current state of real-life PKI implementations, the "global PKI," and the use of self-signed certificates. What we have left are PKIs that are not global, nor do they use self-signed certificates. I am talking about private ...
Posted in Security, Technical | No Comments »
August 5th, 2008 by Mitja Robas
Remember the early data centers that used proprietary protocols and platforms? Since those days, data centers have evolved to a decentralized architecture. But "retro" is in, and data centers are evolving to a centralized architecture again.
Seriously, data centers are being re-centralized to consolidate computing resources (namely, servers). Consolidating data center ...
Posted in Data Center, Technical, WAN | No Comments »
August 1st, 2008 by Mojca Parkelj
When designing a network solution, we often are faced with a myriad of parameters that influence the design process and the selection of the final solution. A network designer ideally would want to control as many parameters as possible apart from the business requirements, which is the basic set of ...
Posted in IP Corner Technical Articles | No Comments »
