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Organizations need a comprehensive and flexible software-defined architecture to secure the WAN while simplifying distributed network management and lowering connection costs. In effect, every WAN device must become software defined and secure. Therefore, we are announcing a new advanced SD-WAN security stack with capabilities that solve critical edge security challenges. Cisco is providing IT with highly effective and scalable security for SD-WAN that is easy to manage, deploy, and maintain, enabling businesses to use cloud services of their choice with confidence. Cisco SD-WAN seamlessly connects devices and people to any cloud, providing a superior application experience while delivering consistent unified threat protection from branch to cloud.

The traditional way of dealing with security at the cloud edge is to send all traffic back to the corporate data center for inspection, analysis, and filtering before sending it on to SaaS applications or public cloud services. For distributed enterprises, this choice normally requires the use of costly MPLS lines which increases the scale and complexity of security layers in the data center. The more traffic increases among distributed branches, the higher the cost and complexity of managing multiple MPLS connections and the data center security.

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The all new Cisco SD-WAN security stack provides a complete shield operating at the edge, in the branch router, with centralized control for both network and security management. The embedded security capabilities protect data passing to and from branch business systems and cloud platforms. The security stack also guards the entire connected enterprise against debilitating security attacks that could originate from compromised internet connections and applications. Cisco SD-WAN security stack focuses on four key traffic profiles that are especially relevant in the branch:

Before the advent of SD-WAN, organizations primarily relied on secure yet expensive MPLS lines for connectivity from branches to data center where the security functions would reside. As organizations enable applications and devices at branch sites to directly access the internet, they bypass the traditional centralized security perimeter. This results in exposing the branch to all types of internet traffic, and in the process, increases the attack surface at the edge.

To counter these threats, the SD-WAN Security stack provides a combination of embedded Security functions consisting of application-aware firewall, intrusion detection and prevention, and Cisco Umbrella DNS cloud security layer. The Cisco SD-WAN fabric intelligently routes traffic to and from branches according to SecOps policies. The Web security maintains a local cache of safe URLs that are regularly updated to keep up with the latest security threat reports.

Direct cloud access improves application Quality of Experience (QoE) for cloud and SaaS applications while introducing a similar risk profile as seen with Direct Internet Access. Cisco SD-WAN Security leverages DNS security layer, coupled with intrusion detection, to prevent the most aggressive Denial of Service, phishing, malware, and the ransomware attacks that can piggyback on internet connections and open ports used by SaaS and cloud applications. In addition, these embedded security capabilities leverage the current threat data of the Cisco Talos team, one of the most sophisticated commercial threat-intelligence organizations in the world.

To support the new security stack features and simplify management, Cisco SD-WAN provides a GUI-based workflow through the cloud-managed vManage controller. The zero touch Cisco ISR/ASR and vEdge routers can be powered up by non-technical personnel in the branch and configured remotely based on pre-defined business intents, customized to the needs of the business. The edge routers continuously monitor traffic patterns and automatically adjust connections to accommodate priority business data, maintain cloud and SaaS application QoE, and proactively adapt to security threats.

These innovations in our Cisco SD-WAN portfolio help to solve real-world security challenges facing enterprises today. Even better, licensing is simple because SD-WAN comes packaged with our DNA Essentials license. You can look forward to more innovations from our engineering organization to facilitate connecting and securing branch offices with enterprise, multicloud, and SaaS application platforms with better performance while reducing the total cost of connectivity.

Edge cloud is cloud computing that happens at the edge of the network. Cloud resources are moved closer to where data is generated and end-users are located, rather than sending data back to a central data center or private cloud for processing. The goal of edge cloud is to reduce data latency and maintain high availability by using cloud services in strategic locations.

Edge cloud is often an extension of hybrid or multi-cloud infrastructure. It is used in low-latency situations that require high availability or real-time processing. Edge cloud services are crucial for systems that generate sensitive information due to their enhanced security approach where data is processed and stored locally. By keeping data away from the public network, you reduce the risk of unauthorized individuals accessing critical information.

In addition to safety from cyber threats, edge cloud reduces the distance data needs to travel, leading to high-speed responses. With an edge cloud, organizations can fulfill their commitment to customers of fast, reliable access to apps and data.Instead of edge cloud, which is sometimes also referred to as a distributed environment, some organizations choose more traditional cloud-based solutions, sticking with a centralized cloud. In a centralized cloud solution, computing resources, data storage and services are provided by a single cloud service provider or from a centralized data center. Centralized cloud is best used in environments with stable workloads and predictable performance.

The concept of the edge is pivotal in modern computing, especially as the number of IoT devices and real-time applications grows. By pushing data processing and analytics closer to the source of data, organizations can achieve faster response times and improved user experiences.

The use of edge cloud for a variety of use cases has been steadily increasing over the past decade and is expected to continue in coming years. The edge computing market is forecast to grow at a compound annual growth rate of 21.6 percent until 2028, according to a 2022 report from ReportLinker.

Edge to cloud is what enables data to flow seamlessly between the edge and the rest of the cloud environment. Data is collected in edge nodes, which transmit the relevant material to the centralized cloud. While edge cloud refers to an extension of cloud architecture, edge to cloud describes the seamless integration between nodes and the centralized cloud.

With VMware Edge Compute Stack, you can build, run, manage, connect and protect your industry-specific applications at the edge while maintaining consistent infrastructure and operations across your data centers and cloud. Access multi-cloud operational management, unified and context-centric security, AIOps for real-time diagnosis, and optional private 5G connectivity with VMware.

For over a decade, centralized cloud computing has been considered a standard IT delivery platform. Though cloud computing is ubiquitous, emerging requirements and workloads are beginning to expose its limitations. With its strong data center centric view, where compute and storage resources are relatively plentiful and centralized, little or no thought was ever given to the optimization of the supporting hypervisor and management platform footprint. Few cloud developers seriously considered the requirements needed to support resource-constrained nodes reachable only over unreliable or bandwidth-limited network connections, or thought about the needs of applications that demand very high bandwidth, low latency, or widespread compute capacity across many sites.

Recently companies have begun to apply the simplified administration and flexibility of cloud computing architectures to distributed infrastructures that span across multiple sites and networks. Organizations have an emerging need to take cloud capabilities across WAN networks and into increasingly smaller deployments out at the network edge. Though this approach is in its early days, it is becoming clear that many emerging use cases and scenarios would benefit from distributed architectures.

There is much work to be done to achieve our goals, and we welcome and encourage the entire open source community to join in both the effort and the opportunity of creating or adapting tools to meet the new requirements of cloud edge computing.

Edge computing first emerged by virtualizing network services over WAN networks, taking a step away from the data center. The initial use cases were driven by a desire to leverage a platform that delivered the flexibility and simple tools that cloud computing users have become accustomed to.

The "edge" in edge computing refers to the outskirts of an administrative domain, as close as possible to discrete data sources or end users. This concept applies to telecom networks, to large enterprises with distributed points of presence such as retail, or to other applications, in particular in the context of IoT.

The defining need that drives cloud edge computing is the need for service delivery to be closer to users or end-point data sources. Edge computing environments will work in conjunction with core capacity, but aim to deliver an improved end user experience without putting unreasonable demands on connectivity to the core. Improvements result from:

But there are trade-offs. To deliver edge computing, it is necessary to vastly increase the number of deployments. This institutes a significant challenge to widespread edge deployments. If managing a single cloud takes a team of ten, how can an organization cope with hundreds or even thousands of small clouds? Some requirements include: e24fc04721