Secure Access Service Edge (SASE) is an emerging network architecture that combines wide-area networking (WAN) capabilities with network security services. It is a cloud-native approach consolidating and integrating various network and security functions into a unified and scalable solution.
SASE Benefits
The SASE model addresses the challenges organizations face in the digital age, where traditional network architectures struggle to meet the demands of cloud computing, remote workforces, and the increasing volume of internet traffic. It provides a more flexible, agile, and secure way to connect users and devices to applications and services, regardless of location.
SASE Features
The following are key features of SASE.
Convergence – SASE converges multiple network and security functions, such as SD-WAN (Software-Defined Wide Area Network), secure web gateways, firewall as a service (FWaaS), zero-trust network access (ZTNA), data loss prevention (DLP), and more. This consolidation simplifies the network infrastructure, reduces complexity, and improves operational efficiency.
Cloud-native architecture – SASE is built on cloud-native architecture, leveraging the scalability and elasticity of the cloud. The network and security services are delivered from the cloud, enabling organizations to scale resources up or down based on demand and reducing the need for on-premises hardware.
Identity-centric security – SASE focuses on identity-based security and zero-trust principles. It verifies the identity of users, devices, and applications before granting access to resources, regardless of their location or network they are connected. This approach improves security posture and helps prevent unauthorized access and data breaches.
Software-defined networking – SASE leverages SD-WAN technology to provide efficient and optimized connectivity between users, devices, and applications. It dynamically routes traffic over multiple paths, including public internet, private networks, and cloud providers, based on performance, security policies, and business requirements.
Global network presence – SASE providers typically have a global network infrastructure, with points of presence (PoPs) distributed worldwide. SASE allows organizations to connect to the nearest PoP, reducing latency and improving performance for users accessing cloud applications and services.
Summary
By adopting SASE, organizations can achieve several benefits, including improved security, simplified network management, enhanced user experience, increased agility, and reduced costs associated with hardware and maintenance. It enables organizations to transform their network and security architecture to meet the evolving demands of the digital landscape.
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