CoIP Architecture and Components

CoIP Architecture and Components

As hybrid cloud deployments become standard, enterprises need solutions to rapidly connect applications running on a variety of infrastructure to retain business agility. That’s where Zentera comes in. Zentera’s CoIP Platform solution creates a “universal VPC” that connects and secures application workloads across complex hybrid environments. The CoIP Platform works with any infrastructure in any environment, do not interfere with existing network security, and are being deployed in less than a day.

Hybrid Cloud Architecture

The CoIP overlay routes application traffic over a web services framework in a way that is transparent to both the application and the details of the underlying physical networks.


CoIP LAN is an overlay network that connects distributed resources as if they are running in a LAN environment in the overlay infrastructure. The underlay physical connections are required among the resources to support CoIP LAN tunnels.


CoIP WAN is an overlay network that connects distributed resources across wide area, physical network domains as if they are running in a unified WAN environment in the overlay infrastructure. The underlay physical networks are fragmented. CoIP WAN builds SSL tunnels using the fragmented physical networks.

CoIP Controller (zCenter)

The Controller governs every aspect of communications within a CoIP overlay network. It provides a central enforcement point for all network and security policies, and can be deployed as a Linux physical or a virtual appliance. The Controller offers options of web-GUI as well as API for automated management and control of a CoIP Platform deployment. The Controller supports high-availability (HA) operation.

ZNS Switch Node

The ZNS Switch Node bridges CoIP overlay connections. Multiple ZNS Switch Nodes nodes can be clustered for higher availability and throughput. The ZNS Switch Node is available as a Linux physical or virtual appliance.

Edge Gateway

Deployed to serve multiple virtual machines, a CoIP Edge Gateway provides an onramp to the overlay network. A single Edge Gateway can be used to connect a service into the overlay network (for example, Microsoft Active Directory), while multiple Edge Gateways can be used to bridge subnets together.

Endpoint Gateway (zLink)

A CoIP Endpoint Gateway deploys on an endpoint to provide overlay network services, including overlay addressing and security filtering and segmentation. CoIP Endpoint Gateways are available for practically any Linux or Windows platform.

Global Architecture Diagram

For enterprises looking to run a large global operation, with several business initiatives, deployments, and geographical regions, multiple zCenters can be used to address distributed business requirements.

Enterprises using CoIP Platform can:

  • Deploy applications to a hybrid or multi-cloud environment without time-consuming network analysis and design
  • Bridge hosts or subnets, even if no physical route exists
  • Virtualize networking for existing on-premises applications

Zentera Systems, Inc.

Zentera is the leader in secure and agile infrastructure solutions for the digitally-transformed enterprise. The company’s CoIP® Platform provides award-winning zero-trust networking, security, and multi-cloud connectivity that overlays on top of any infrastructure in any fragmented environment, allowing customers to be up and running in less than a day. The CoIP Platform has been deployed by global enterprises to secure employee and third-party network access for compliance, protect sensitive data against leaks, and instantly connect hybrid applications and containers running in the cloud and on-premises. The Silicon Valley-based company has received numerous recognitions, including Cool Vendor for Cloud Security by Gartner.

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