controller

My App anywhere: On devices, on controller, on both!

Current differences in app development on devices and controllers disappear. Devices and controllers will share a common programming environment – offering a unified development and deployment experience. While SDN is moving from concept to reality, we notice that many deployments which focus on creating new network features interpret the role of the “controller” very pragmatically. […]

August 2, 2013

OPEN AT CISCO

Why I Chose the Open Source Model I did for OpenDaylight

Now that OpenDaylight has arrived, it’s time to explain why I made the Open Source choices eventually embraced by its Founders and the community at large.  One doesn’t often see such leaders as Cisco, IBM, Intel, HP, Juniper, RedHat, VMWare, NEC, Microsoft and others agree, share and collaborate on such key technologies, let alone the latter engaging in a […]

August 1, 2013

NETWORKING

Announcing Cisco Wireless Release 7.5

With the prevalence of mobile devices connecting people and things today, we are seeing a base expectation for uncompromised wireless connectivity. There is no doubt that the trend for high...

July 24, 2013

NETWORKING

Success with Cisco Bonjour Services Directory

Have you seen this video? For those of you who are not familiar with the technology, Bonjour is a multicast DNS(mDNS) based protocol used to advertise and connect to network...

July 12, 2013

NETWORKING

Wireless Controller Redundancy with No Client Reauthentication Needed

Last fall, I blogged about No SSID Outage or Access Point Stateful Switchover introduced with the AireOS 7.3 release whereby if your wireless LAN Controller fails due to some...

What is a “Controller”? And how many do we need?

Thanks to SDN, the “Controller” word pops up in many network architecture discussions these days. In networking alone, we’re already surrounded by many “controllers” and we’re busy introducing more as we speak:  For example, Session Border Controllers or Wireless LAN Controllers have been around for quite some time, and have recently announced the OpenDaylight Controller, […]

May 17, 2013

NETWORKING

802.11ac: Is Your Network Infrastructure Ready for Next-Gen Wi-Fi Traffic?

The next generation of Wi-Fi, 802.11ac couples the freedom of wireless with the speed of gigabit Ethernet. This also translates in additional load on the backbone of the network, which has to deliver at least 3 times the capacity of the current gold standard, the 802.11n based network. Cisco launched the Unified Access architecture  to […]