Tempered Glossary

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wide area micro-segmentation

Micro segmentation that can run across an organization’s wide-area or expanded network, allowing it to overcome barriers frequently imposed by WAN connectivity like NAT, CGNAT, private APNs, IP schema, etc. 

Underlay network

The transport layer in an organization’s existing network infrastructure.

SimpleConnect API

Tempered Networks’ restFUL API (application programming interface) that facilitates automated integration with networking tools to enable integration with workloads like self-provisioning portals, adaptive defensive networks, and data center redundancy. 

Shared network

A public or private network that allows resources (applications, files, documents, folders, media, etc.) to be shared between users


The process of organizing a group of machines into segments that can’t be traversed or violated by unauthorized machines – communication between machines is always encrypted in order to improve the security and efficiency of a network.

Local area micro-segmentation

Micro-segmentation that is deployed over an organization’s local area where only cloaked, authorized, authenticated and accounted machines can communicate with each other.

Identity-Defined Overlay

The data plane that sits on top of the underlay (or the transport layer in an organization’s existing network infrastructure).

Identity-Defined Networking

An instant network overlay platform that unifies networking and security, providing an identity-first architecture based on verifiable machine identities.

Host Identity Namespace (HIN)

HIP introduces a more secure and flexible namespace, the Host Identity Namespace, which enables the ability to set explicit whitelist trust policies and achieve IP mobility without disruption. HIN is compatible with the IP and DNS Namespaces.  


A physical or virtual appliance that bridges or routes traffic between private networks and identity-defined overlay networks.