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What is flannel?

Flannel acts as a dedicated virtual networking layer specifically designed for containerized applications. When working within the OpenShift Container Platform, it can serve as an alternative networking solution to the conventional software-defined networking (SDN) components. This method proves especially beneficial for OpenShift deployments in cloud settings that also utilize SDN technologies, such as OpenStack, by eliminating the need for redundant packet encapsulation between the two systems. Each flanneld agent is responsible for sending information to a centralized etcd store, which allows other agents on different hosts to efficiently route packets to various containers within the flannel network. Furthermore, the accompanying diagram illustrates the architecture and data flow that facilitate communication among containers operating over a flannel network. This configuration not only boosts overall network performance but also streamlines the management of containers in intricate environments, ultimately leading to better resource utilization and operational efficiency.

What is Contrail Networking?

Contrail Networking offers a versatile and all-encompassing strategy for managing networking policies and controls that can be applied across multiple clouds, workloads, and deployment scenarios, all from a unified user interface. By transforming high-level workflows into precise policies, it simplifies the orchestration of virtual overlay connectivity in a variety of environments. Users are able to effectively implement and oversee end-to-end policies in both physical and virtual contexts. At its core, Contrail Networking is built on the open-source network virtualization platform Tungsten Fabric, which equips it with software-defined networking (SDN) capabilities that facilitate the secure deployment of workloads in any environment. This solution guarantees smooth overlay connectivity for any workload, independent of the underlying compute technology, whether it involves traditional bare-metal servers, virtual machines, or containers. Furthermore, Contrail Command acts as a user-friendly operational and management interface, optimizing user engagement and boosting overall productivity. The integration of these capabilities not only empowers organizations to sustain strong network performance but also enhances their ability to adapt to changing requirements effectively. Consequently, organizations can achieve a more responsive and agile networking infrastructure.

Media

Media

Integrations Supported

Casa Systems
Cruz Operations Center (CruzOC)
Datacard Secura
Entrust Certificate Hub
Mirantis Kubernetes Engine
New Era
OpenStack
Red Hat OpenShift

Integrations Supported

Casa Systems
Cruz Operations Center (CruzOC)
Datacard Secura
Entrust Certificate Hub
Mirantis Kubernetes Engine
New Era
OpenStack
Red Hat OpenShift

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Red Hat

Date Founded

1993

Company Location

United States

Company Website

docs.openshift.com/container-platform/3.4/architecture/additional_concepts/flannel.html

Company Facts

Organization Name

Juniper Networks

Date Founded

1996

Company Location

United States

Company Website

www.juniper.net/us/en/products-services/sdn/contrail/contrail-networking/

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