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What Is Hybrid Cloud

Cloud computing offers an array of benefits to organizations and thus, it has become a popular choice for data storage and computing. Depending upon individual business requirements, organizations can choose between private cloud and public cloud solutions.

Private Cloud: It is a model of cloud computing where IT services are provisioned on-premises over private IT infrastructure for dedicated use by single organization. It is managed by internal resources of the organization.

Public Cloud: In public cloud model, computing services are offered by a third party over public internet to multiple client organizations as per their capacity or usage requirement. It is managed by the service provider and organizations have to pay according to the storage or bandwidth consumed by them.

However, a new term ‘Hybrid Cloud’ has emerged in recent years. A hybrid cloud combines the services of a private and public cloud to allow seamless sharing of data between them. The organizations can run their workloads partially on private cloud and rest in public cloud. This prevents public or third party service providers from gaining access to entire data of the business.

Working Of Hybrid Clouds

  • Private and public clouds work independently in a hybrid cloud setup.
  • The resources are abstracted and pooled into private and public clouds by virtualization.
  • These abstracted resources are then allocated by automation.
  • Management tools provision new environments.
  • A hybrid cloud functions properly when APIs, VPNs or WANs connect the private & public clouds as seamlessly as possible.
  • The interconnectivity between public and private clouds is the underlying concept for a functional hybrid cloud.

Benefits Of Hybrid Cloud Infrastructure

  • It is a cost effective approach. Organizations can use private cloud for managing regular workloads and pay for extra usage on public cloud only when there is a need for scalability arising due to an occasional increase in workload.
  • The approach helps in separating sensitive or critical workloads from regular data. Organizations employing hybrid cloud approach have the benefit of storing critical financial data, customer information, etc. on their private cloud while utilizing public cloud to run general applications.
  • Public cloud resources can be used for allocation to short-term projects, instead of spending money on buying on-premises hardware and infrastructure for temporary use.
  • The availability of private cloud resources facilitates testing of applications as it grants back-end access to the developers.
  • Hybrid cloud infrastructure integrates the public cloud computing and private cloud which allows the organization to have control over security and regulations.
  • It offers excessive flexibility. A hybrid cloud setup can be scaled up to the use of public cloud or scaled down to private cloud as per the demand.

For more information about hybrid cloud, call Centex Technologies at (972) 375 – 9654.

Pros & Cons Of Serverless Computing

Although the term ‘Serverless Computing’ implicates the existence of a computing architect with no server, it actually defines a cloud based execution model. The server is hosted by cloud service providers and users are not required to buy it or set it up onsite. The cloud service provider manages the server and machine resources are allocated to users.

As most businesses are making a shift towards serverless computing instead of traditional approach, it is necessary to understand the pros & cons of this approach.

Pros Of Serverless Computing:

  1. Cost-effective: Serverless computing is a cost-effective approach for businesses. The users are required to pay as per the amount of resources consumed by their application instead of pre-purchased units of usage capacity.
  1. Easy To Scale Up: In case of serverless computing, application developers are not required to implement a code for scaling up. Also, it rules out the need and cost for upgrading existing servers or adding new server units. When considering to scale up, businesses can request additional resources from the service provider and pay according to their consumption. Also, cloud systems are more elastic as they are capable of scaling up and down inherently according to the demand.
  1. Low Human Resources Cost: Serverless computing eliminates the need for onsite servers. Thus, businesses are not required to hire staff for managing and operating the hardware. This helps them save cost that was traditionally incurred on human resources.
  1. Enhanced User Experience: By switching to serverless computing, the businesses and application developers can save time and resources required for server management. These resources can be used on other tasks such as improving productivity and user experience by developing as well as improving customer-friendly features.
  1. Decreased Latency: Depending upon the services offered by the provider, businesses can choose to run the application functions on a server node close to the end user. Thus, it reduces latency as the requests initiated by a user are not required to travel to origin server and can be reverted from the nearest available node.

Cons Of Serverless Computing:

  1. Testing Becomes Challenging: A serverless environment cannot be easily replicated to check how an application code will respond after being deployed. Also, developers do not have visibility into backend processes and the application is split into separate functions for running on the cloud. This makes it challenging to debug any arising issues.
  1. Vendor Lock-In: When using a cloud based server, the developers are restricted to adapt the rules set by the third party vendor such as using a specific coding language.
  1. Multitenancy: In order to avail maximum benefit, cloud service provider may run applications or software for numerous different users on a single server. Although workloads of different customers are isolated, there may still be bugs in initial offerings. This gives rise to data security risks.

For more information on serverless computing, contact Centex Technologies at (972) 375 - 9654.