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SASE – Secure Access Service Edge

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Combining powerful technologies with NIL SASE

Enterprise networks are changing and becoming more complex with the ever-increasing number of different technologies. With the increased adoption of cloud delivered applications through different models such as SaaS, PaaS or IaaS, the enterprise networking landscape has changed. The usual change being networks becoming more decentralized, adopting internet as a mode of transport to interconnect remote WAN locations and improving application performance by facilitating direct internet breakout.

While adopting internet as a mode of transport provides increased performance of applications hosted in the cloud and reduces the load on centralized security solutions, it also introduces a new attack surface. For this reason, security solutions have also adopted the cloud delivery model. This allows for enterprise level security to be delivered and enforced regardless of where the user is accessing the applications or web.

Modern networking and secure access in the SASE architecture

SASE or Secure Access Service Edge architecture is built around these new changes and challenges. It ties together networking, security, and visibility solutions into a single package, which allows the enterprise to easily transition towards cloud services in a safe and optimal way.

SASE combines the modern networking principles of reducing complexity and increasing flexibility with Software Defined Networking, while maintaining Zero Trust Architecture principles. This allows the SASE architecture to deliver secure access to applications, regardless from where the users are trying to access them.

Networking. Security. Visibility.

Connect it!

First step in the SASE architecture is to connect the users to applications, regardless of whether they’re hosted in a data center or in the cloud. Next, users want an optimal experience when accessing the applications. To achieve this, you can leverage an SD-WAN solution, which allows you to route traffic based on applications and SLAs. Furthermore, an SD-WAN solution offers you centralized management of all your devices in the network, making it easy to implement any changes or deploy new devices in minutes.

Secure it!

Secure SASE architecture is built on top of two main security principles: Zero Trust architecture and cloud-delivered security using products such as Secure Web Gateway (SWG), Cloud-Delivered Firewall (CDFW), or Cloud Access Broker (CASB). With the increase in user mobility, work from home becoming a standard practice, and the increase in web or cloud delivered applications blurring the network perimeter, protecting the network is becoming increasingly difficult. By combining these two principles, SASE enables you to easily secure both users and applications regardless of their location.

Observe it!

Visibility or observability is the third pillar of the SASE architecture. It allows you to monitor your applications and their performance. This provides you with assurance on how your applications are running, how well they’re running, as well as help you detect and identify any issues.

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