What is the data policy in a Cisco SD-WAN deployment?
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In a Cisco SD-WAN deployment, the data policy refers to a set of rules and configurations that define how data is forwarded across the network. It determines how traffic is classified, prioritized, and routed based on various factors such as application type, quality of service requirements, security policies, and business needs.
Specifically, the data policy is a set of statements that define how data is forwarded based on IP packet information and specific VPNs. This means that the policy identifies the different types of traffic and assigns them specific characteristics such as bandwidth, priority, and security. For instance, voice and video traffic may be given higher priority over other types of data to ensure they receive sufficient bandwidth and minimize latency, while data traffic may be assigned lower priority.
The data policy also determines how traffic is routed based on specific VPNs. VPNs are used to segment and secure traffic, and the policy ensures that traffic is correctly classified and routed to the appropriate VPN based on business requirements and security policies.
Overall, the data policy plays a critical role in ensuring that the SD-WAN deployment delivers the required performance, security, and reliability. It ensures that traffic is optimally routed and prioritized, and that security policies are consistently enforced across the network.