Archive for July, 2009

Microsoft Network Load Balancing (NLB) functionality does not play nicely with Cisco switches

July 30th, 2009 by Dragan Spasojevic


Recently we had some problems with call disconnections at the location of the IP telephony integration in the communications network. Our client had switched from an analog system to the IP system and therefore had understandably high expectations.

Data Center Interconnect

July 24th, 2009 by Bojana Stucin


Today’s data center is the home to essential computation, storage and applications that support your business. Because of their key importance to the business, data centers are designed to be robust, fast and highly reliable.

64-bit Windows 7, Cisco VPN client and XP mode – Part 5

July 22nd, 2009 by Vladimir Stajic


How does it work in practice? I would say that for the people who understand what was happening up until this point, the operation of this blended environment will not be a problem. Normal user can end up being confused and frustrated, though.

WiMAX: the next disruptive technology?

July 14th, 2009 by Ivan Pepelnjak


Fifteen years ago, the focus of the “true” service provider was on voice traffic and data offerings based on virtual circuits, implemented with a plethora of semi-compatible technologies slowly developed within the ITU organization: X.25, ISDN, Frame Relay and the all-encompassing ATM. In the meantime, some relatively small companies (including Cisco, ...