![DIA vs Centralized Breakout: Which Internet Access Model Is Right for Your SD-WAN Network in 2025?. [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/DIA-vs-Centralized-Breakout-Which-Internet-Access-Model-Is-Right-for-Your-SD-WAN-Network-in-2025_networkjourney.png)
If you’re currently designing or managing SD-WAN solutions, you’re probably facing one of the most critical architectural questions: Should you go with DIA (Direct Internet Access) or a Centralized Breakout model? Choosing the right internet access model can significantly impact your application performance, security posture, […]
![Overlay Technologies for CCNP Enterprise: The Complete 2025 Guide with Labs, CLI & Exam Relevance [CCNP ENTERPRISE]](https://networkjourney.com/wp-content/uploads/2025/06/Overlay-Technologies-for-CCNP-Enterprise_networkjourney.png)
If you’re preparing for the CCNP Enterprise certification, there’s no escaping the importance of Overlay Technologies. Whether you’re tackling the ENARSI exam or diving deep into advanced enterprise network design, mastering overlays like VXLAN, GRE, LISP, and MPLS is critical. In this blog, we’ll take […]
![On-Prem vs Cloud Controllers – Which One Powers Your Network Better? [CCNP Enterprise]](https://networkjourney.com/wp-content/uploads/2025/06/On-Prem-vs-Cloud-Controllers_networkjourney.png)
I want to talk to you about something every modern network engineer must understand — Controllers, and more importantly, the difference between On-Prem and Cloud Controllers. Back in the day, managing a network meant having your hands on physical boxes, CLI screens, and local NMS […]
Dhawan SagarMany old school engineers did not even hear about SD-Access or SD-WAN. In fact, those technologies are the biggest changes in networking in the last 20 years. They solve many problems that have long been associated with traditional routing and switching. At CCNA we always […]
A SD-WAN is a type of computer network that fuses various connectivity options – such as MPLS, mobile, and broadband – into a virtualized enterprise WAN to provide. An SD-WAN differs from a traditional one in how it is deployed and managed. SD-WAN technology is […]
