Usage of VXLAN and VXLAN traffic flow

Traditionally, VLANs / Virtual LANs have been used to segment broadcast domains. Such segmentation has been beneficial due to numerous benefits: a. Smaller broadcast domains means fewer hosts that will process broadcasts from other hosts. b. This also saves CPU and memory of all involved devices in a broadcast domain. These VLANs are nowadys being … Continue reading Usage of VXLAN and VXLAN traffic flow

SDN

SDN - BasicsGetting Started:The key idea of an SDN is to split the network forwarding function, performed by the data plane, from the network control function, performed by the control plane. This allows a simpler and more flexible network control and management, and also network virtualization.¬†OpenFlow is the main SDN implementation.The network controller communicates with … Continue reading SDN

Nexus 1000v

Cisco Nexus 1000vI am writing this blog to mention below key components/terms/definitions related to Nexus 1000vWhat is a hypervisor?Hypervisor is a program that allows multiple OS to share single hardware hostBasic Building BlocksVSM- It is the control/management plane of 1000vVEM- Data PlaneTraffic flow with VSM and VEM:Traffic flow from VEM northbound does not go through … Continue reading Nexus 1000v