SD-WAN
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SD-WAN, hosting and secure backup
The increased deployment of cloud, SaaS, video, and mobile applications has challenged IT and business managers to provide high-quality WAN services to the branch. Deploying and managing the WAN has become more challenging and costly as traffic flows decentralize. SD-WAN offers compelling advantages for distributed organizations with critical branch operations, including the benefits of business agility, improved application performance, and lower costs of bandwidth. Distributed organizations should consider SD-WAN solutions based on their ease of use and management, ability to integrate with their existing MPLS network, and the intelligence to automatically adjust traffic flows to current network conditions.
SOFTWARE-DEFINED WAN
SD-WAN uses software and cloud-based technologies to simplify the delivery of WAN services to branch offices. The software-based virtualization enables network abstraction that results in the simplification of network operations. SD-WAN enables IT and business managers to deploy Internet-based connectivity (with its benefits of ubiquity, high bandwidth, and low cost) easily, quickly, and with quality, reliability and security.
Understanding the Need for SD-WAN
Businesses and their IT teams face three major challenges:
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Increased access cost for MPLS-based bandwidth to support application performance
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High complexity in branch deployments
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Architectural issues with traditional WAN that is both static and private, inhibiting the migration to dynamic and public cloud environments.
SD-WAN BENEFITS
In contrast, SD-WAN provides a wide range of benefits for distributed organizations, including:
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Business agility. Rapid deployment of WAN services (such as bandwidth and firewall) to distributed branch operations without the need to send IT personnel on-site. Bandwidth can be easily added (with additional circuits) or reduced as business requirements evolve.
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Internet economics. Internet connectivity (including cable, DSL, and ethernet) is widely available, quick to deploy and a fraction of the cost of equivalent MPLS circuits. SD-WAN provides the benefits of reliable, secure WAN service at Internet price points.
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Optimized cloud architecture.SD-WAN eliminates the backhaul penalties of traditional MPLS networks and leverages the Internet to provide secure, high-performance connections from the branch to the cloud. With SD-WAN, remote users will see significant improvements in their experience when
using cloud/SaaS-based applications. Time, migrate traffic growth toward cost-effective Internet bandwidth.
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Automation –traffic steering.SD-WAN gives organizations the ability to prioritize traffic. The key is providing managers with easy-to-use tools for setting priorities and with features that automatically change traffic flows according to current network conditions.
Basic SD-WAN operations
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