What is Hybrid Cloud Networking?


Hybrid Cloud Networking: Optimize Your IT Infrastructure

Every company needs IT infrastructure that can adapt and scale to meet evolving demands. Hybrid cloud networking has emerged as a powerful alternative, offering the flexibility, security, and efficiency companies need.

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What is Hybrid Cloud Networking?

Hybrid cloud networking refers to the integration of two or more different cloud environments, typically a combination of public cloud services and private cloud or on-premises data centres.

These environments are connected through a secure network, allowing for seamless data flow and application deployment across platforms. This approach allows businesses to leverage the strengths of both public and private clouds while addressing their specific needs and challenges.

Think of it like this: you have your own private garden (your on-premises infrastructure) where you grow your most prized plants (sensitive data). But you also want to take advantage of a larger community garden (the public cloud) with its shared resources and tools (scalable computing power and specialised services).

Hybrid cloud networking is like building a secure path between your private and community gardens, allowing you to move plants and resources between them as needed.

Why Hybrid Cloud Networking is Important

Hybrid cloud networking is gaining traction because it offers a compelling blend of flexibility, security, and cost-effectiveness. Here's why it's becoming increasingly important:

  • Agility and scalability: Businesses can quickly scale their resources up or down in response to changing demands, leveraging the public cloud's elasticity while maintaining control over critical assets in their private cloud.
     
  • Enhanced security: Sensitive data can be kept within the private cloud or on-premises environment, while less critical workloads can be moved to the public cloud. This allows for a layered security approach, minimising risks.
     
  • Cost optimisation: A hybrid cloud allows organisations to choose the most cost-effective environment for each workload. For example, they can leverage the public cloud for less sensitive data and applications, reducing the need for expensive on-premises infrastructure.
     
  • Improved disaster recovery: Hybrid cloud facilitates robust disaster recovery solutions by replicating data and applications across different environments. In an outage, operations can be quickly restored in the cloud.
     
  • Support for modern workloads: Hybrid cloud networking supports modern workloads such as AI, machine learning, and big data analytics, often requiring a combination of on-premises and cloud resources.

By strategically combining the strengths of different cloud environments, hybrid cloud networking empowers businesses to optimise their IT infrastructure for agility, security, and efficiency in the face of evolving business needs.

Key Components of Hybrid Cloud Networking

A successful hybrid cloud networking strategy relies on several key components working together seamlessly. Here's a breakdown of the essentials.

Public and Private Cloud Integration

This is the foundation of any hybrid cloud setup. It involves connecting your on-premises infrastructure or private cloud with a public cloud provider.
 

Integration can be achieved through various technologies, such as Virtual Private Networks (VPNs), to securely connect your private network to the public cloud over the Internet. This integration forms the backbone of hybrid cloud computing, ensuring interoperability between cloud environments.
 

You can also consider a direct connection to establish a dedicated, private connection between your on-premises data center and the public cloud provider's network. Cloud Routers and Gateways are virtual appliances that facilitate communication and routing between different cloud environments.

Secure Network Connections

Security is paramount in a hybrid cloud environment. Robust network security measures are crucial to protect sensitive data as it moves between different environments.
 

This includes firewalls at the network perimeter and between different cloud environments to control traffic flow and prevent unauthorised access.
 

Encryption is also vital to protecting data both in transit and at rest. Intrusion Detection and Prevention Systems (IDPS) monitor network traffic for malicious activity and take action to prevent attacks, while Identity and Access Management (IAM) systems control user access to resources and data across different cloud environments.

Data Transfer and Management

Moving and managing data across different cloud environments is essential for hybrid cloud success. This involves data replication between on-premises and cloud environments for backup, disaster recovery solutions, and application availability.
 

Data synchronization is also important to keep data consistent across different environments, ensure data integrity, and avoid conflicts. Organisations must implement data governance policies and procedures to manage data across the hybrid cloud environment and ensure compliance with regulatory requirements.
 

Finally, bandwidth management is crucial to optimise network bandwidth to ensure smooth data transfer and application performance.

How Hybrid Cloud Networking Works

Hybrid cloud networking seamlessly blends on-premises infrastructure with the resources and services of public cloud providers.

It's like building a bridge between your private network and the vast capabilities of the public cloud, allowing data and applications to flow freely between them. Here's a closer look at how this works:

  • Bridging on-premises and cloud networks: The core of hybrid cloud networking lies in establishing secure and reliable connections between your network and the public cloud. This involves utilising various technologies like VPNs, which create encrypted tunnels over the internet for secure communication or dedicated direct connections.
     
  • Managing data flow across environments: Once the bridge is established, managing the data flow between your on-premises and cloud environments becomes crucial. This involves implementing mechanisms for data replication to ensure data redundancy and disaster recovery capabilities.
     
  • Secure network communication: Security is paramount in a hybrid cloud setup. As data traverses between your private network and the public cloud, robust security measures are essential. This includes implementing firewalls at various points to control network traffic and prevent unauthorised access.

Benefits of Hybrid Cloud Networking

Hybrid cloud networking offers a compelling blend of advantages by combining the strengths of both private and public cloud environments:

  • Flexibility and scalability: Hybrid cloud provides the agility to quickly scale resources up or down in response to fluctuating demands. Organisations can leverage the public cloud's elasticity for variable workloads like seasonal spikes or new projects while maintaining core applications and sensitive data.
     
  • Security and compliance: A hybrid cloud enables a layered approach to data security. Organisations can store sensitive data and critical applications within their private cloud or on-premises environment, where they have greater control over security measures.
     
  • Performance and efficiency: The hybrid cloud can optimise performance and efficiency by strategically distributing workloads across different environments. Organisations can leverage the public cloud for tasks that require high computing power, such as big data analytics or machine learning while maintaining other applications on-premises for optimal performance.

Use Cases for Hybrid Cloud Networking

Hybrid cloud networking offers a versatile solution for various business needs. Here are some prominent use cases where the hybrid cloud excels:

  • Supporting disaster recovery solutions: Hybrid cloud provides a robust foundation for disaster recovery strategies. Organisations can replicate critical data and applications to the public cloud, creating a readily available backup in case of an on-premises outage.
     
  • Distributed workforces: Hybrid cloud networking provides the infrastructure to support secure and efficient access to applications and data from anywhere, supporting remote workforce solutions. Employees can seamlessly connect to company resources regardless of location, while IT teams can manage and control access to sensitive information.
     
  • Optimizing for high-performance applications: A hybrid cloud allows organisations to optimise deploying high-performance applications that require significant computing power and storage capacity.

These are just a few examples of how hybrid cloud networking can be applied. Its versatility makes it a valuable solution for organisations across various industries and sizes. It enables them to adapt to evolving business needs and leverage the best private and public cloud environments.

Hybrid Cloud Networking vs. Other Network Solutions

Hybrid Cloud vs. Multi-Cloud

A hybrid cloud focuses on integrating a private cloud (on-premises or hosted) with a public cloud provider to create a unified environment. This allows for workload portability and leveraging the strengths of both environments.z
 

Multi-cloud solutions, on the other hand, involve using multiple public cloud providers simultaneously, often to avoid vendor lock-in or utilise specific services from different providers.

Hybrid Cloud Networking vs. Traditional Networking

Traditional networking relies solely on on-premises infrastructure, which can limit scalability and access to cloud-native services.
 

Hybrid cloud networking modernizes this approach by incorporating public cloud resources. It provides greater flexibility, scalability, and access to a wider range of services while maintaining control over critical on-premises assets.

Direct Connect and VPN Options in Hybrid Networks

Direct Connect establishes a dedicated, private connection between your on-premises network and a public cloud provider, offering high bandwidth, low latency management, and enhanced security.
 

VPNs, in contrast, create secure connections over the public internet, which is generally more affordable but may have variable performance.

Technologies for Hybrid Cloud Networking

Hybrid cloud networking relies on diverse technologies to seamlessly integrate and manage disparate environments. Virtualisation technologies, like VMware vSphere or Microsoft Hyper-V, form the foundation by enabling the creation of virtual machines and efficient resource allocation across physical and cloud infrastructure.

Software-defined networking (SDN) further enhances control by abstracting network hardware. It allows administrators to centrally manage and automate network configurations across the hybrid environment, simplifying tasks like provisioning bandwidth, implementing security policies, and optimizing traffic flow.

In addition to virtualisation and SDN, cloud management platforms play a crucial role in orchestrating and monitoring hybrid cloud management environments. Tools like RightScale or CloudHealth provide a centralised dashboard for managing resources across both on-premises and cloud infrastructure.

Discover Our Hybrid Cloud Networking Solutions

No matter what cloud connectivity solutions you require, you can rest assured that OVHcloud has you covered:

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OVHcloud Hybrid and Multi-Cloud

As your organisation evolves, so too must your infrastructure. OVHcloud's Hybrid and Multi-Cloud solutions offer the best of both worlds: on-premises and cloud, allowing you to connect your data centres to OVHcloud for a true hybrid cloud infrastructure.

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OVHcloud Connect

OVHcloud Connect provides dedicated, private network connectivity between your on-premises infrastructure and your OVHcloud resources. This solution ensures high-performance, low-latency access to your critical applications and data while maintaining the highest levels of security and compliance.