Category Networking

OpenStack Load Balancing as a Service (LBaaS) Overview

Rackspace recently released version 12.2 of Rackspace Private Cloud (RPC) based on the Liberty release. In RPC v12.2, Rackspace supports Load Balancing as a Service (LBaaS). Since LBaaS is still a relatively new offering in the OpenStack community,  I want to provide more details to help users understand what LBaaS does and how it can […]

Cisco’s Answer To VXLAN’s IP Mulitcast Requirement

Cisco announced this week enhancements to its Nexus 1000v virtual switch, which will allow VXLAN to be implemented without requiring IP Multicast.  Why does this matter and what may it mean to the current IETF standard for VXLAN? IP Multicast as a requirement for VXLAN has long been cited as a barrier for deployment in […]

Word Of Caution About Overextending The Use Of VXLAN

*In light of the clarification, by VMware, that VXLAN is not required for vCloud Connector Datacenter Extension (DCE), I took content from my original post to create this post discussing VXLAN. VXLAN Virtual eXtensible Local Area Network (VXLAN), is a network overlay and tunneling technology, co-authored by VMware, Cisco, and Arista Networks as an IETF […]

Datacenter Extension With vCloud Connector 2.0

*In light of the clarification, by VMware, that VXLAN is not required for vCloud Connector Datacenter Extension (DCE), I took content from my original post to create this post, explaining how DCE actually works. VMware recently announced the general availability of vCloud Connector 2.0, their hybrid cloud management solution and a component of the new […]

VXLAN: The Right Data Center Interconnect Technology For vCloud Connector?

[First Update] I received some feedback that vCloud Connector 2.0 does not actually use VXLAN as part of its DCE/Stretch Deploy feature.  I am waiting on confirmation since several VMware blogs, including ones that I reference in my post, state that VXLAN is indeed used.  As I also state in my post, I would actually […]