An SD-WAN is managed across existing Internet and MPLS VPN WANs between two sites. This use case enables the subscriber to use an encrypted SD-WAN tunnel over the Internet to augment their site-to-site MPLS VPN bandwidth and achieve higher resiliency using two WANs.
This use case illustrates the different LSO RA interfaces between the different SD-WAN service components. Both sites are using an SD-WAN Edge CPE. The CSP or MSP delivers the SD-WAN service over existing Internet and MPLS VPNs which may be provided by a different CSP or MSP.
This is perhaps one of the most popular use cases because many enterprise subscribers have both Internet and MPLS WANs to interconnect their sites so the SD-WAN managed service enables them to take advantage of the benefits that SD-WAN provides over multiple WAN connections.
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Not a required MEF-SDCP Exam Study Reference
1 Comment
Kirby Russell
Ryan Hoffman suggested to add "mouse over text" to acronyms like this that haven't been previously defined in content in this wiki section. Mouse over reveals "Reference Architecture". This might gravitate users to the wiki for it's ease of use, rather than just downloading this same content found in MEF documents.
and highlight that the MPLS VPN UCS would offer SLA assured performance for business critical application, while the Internet UCS provide economical best effort performance high throughput.