Initial release of Hyper-V Network Virtualization (HNV) was an add-on to the Hyper-V Extensible Switch , resulting in an interesting mixtur...
Showing posts with label Workshop. Show all posts
Showing posts with label Workshop. Show all posts
OMG, Who Will Manage All Those Virtual Firewalls?
Every time I talk about small (per-application) virtual appliances , someone inevitably cries “ And who will manage thousands of appliances...
Virtual Packet Forwarding in Hyper-V Network Virtualization
Last week I explained how layer-2 and layer-3 packet forwarding works in VMware NSX – a solution that closely emulates traditional L2 and L...
Terastream Part 2: Lightweight 4over6 and Network Function Virtualization (NFV)
In the first Terastream blog post I mentioned Deutsche Telekom decided to use an IPv6-only access network. Does that mean they decided to g...
Layer-3 Forwarding with VMware NSX Edge Services Router
The easiest way of connecting overlay virtual networks implemented with VMware NSX for vSphere to the outside world is NSX Edge Services Ro...
Don’t Use ULA Addresses in Service Provider Core
Dan sent me the following question: I had another read of the ‘ Building IPv6 Service Provider Networks ’ material and can see the PE router...
Programming the Network – A Few Guidelines
Even though I questioned the wisdom of writing your own network programming applications , I know I would immediately jump into those waters...
Typical Enterprise Application Deployment Process is Broken
Months ago VMware started promoting NSX with a catchy “fact” – you can deploy a new VM or virtual disk in minutes, but it usually takes days...
Layer-2 and Layer-3 Switching in VMware NSX
All overlay virtual networking solutions look similar from far away: many provide layer-2 segments, most of them have some sort of distribut...
Make Every Application an Independent Tenant
Traditional data centers are usually built in a very non-scalable fashion: everything goes through a central pair of firewalls (and/or load ...
Cisco Nexus 9000 and ACI: Promising P+V Architecture
Last week’s Nexus 9000 and Application Centric Architecture launch triggered an avalanche of opinions. Some bloggers focused on the fact tha...
Real Life OpenFlow/SDN Use Cases
While meeting-goers debate viable SDN use cases , bleeding-edge engineers who weren't afraid to get their hands dirty started rolling ou...
Finally: Juniper Supports a Leaf-and-Spine Virtual Chassis
The recent Juniper product launch included numerous components, among them: a new series of data center switches (including a badly-needed ...
VMware NSX: Defining the Problem
Every good data center presentation starts with redefining The Problem and my VMware NSX Architecture webinar was no exception – the first...
Flow Table Explosion with OpenFlow 1.0 (And Why We Need OpenFlow 1.3)
The number of flows in hardware switches (dictated by the underlying TCAM size) is one of the major roadblocks in a large-scale OpenFlow dep...
IPv6-Only Data Centers: Deployment Guidelines
During the final part of the IPv6-only data centers webinar Tore Anderson described his deployment guidelines and answered a few more ques...
Forwarding Models in OpenFlow Networks
A few days ago Tom ( @NetworkingNerd ) Hollingsworth asked a seemingly simple question : “ OpenFlow programs hop-by-hop packet forwarding, r...
ATAoE Is Alive and Well
A while ago I wrote about ATAoE and why I think a layer-2-only TFTP-like protocol shouldn’t be used these days . As always, the answer to t...
VMware NSX Architecture Videos Published
The edited videos from VMware NSX Architecture webinar are published on my demo content web site and on YouTube . Enjoy! Watch the videos
Overlay Virtual Networks 101
My keynote speech @ PLNOG11 conference was focused on (surprise, surprise) overlay virtual networks and described the usual motley crew: T...