The SDN WAN Blog

Cisco iWAN

Cisco iWAN

Cisco iWAN technology is natural evolution of DMVPN. DMVPN was introduced by Cisco 15 years ago around 2002. Biggest driver for the technology was hybrid WAN, which provided the customers the ability to use commodity Internet to augment their existing MPLS connectivity. The original intent of the Cisco Dynamic Multipoint VPN (DMVPN) architecture was to allow IPsec-GRE designs to scale. It evolved in multiple stages to increase efficiency and scalability and to support additional applications. read more
WAN Status: Cloud Traffic and the Backhauling Challenge

WAN Status: Cloud Traffic and the Backhauling Challenge

Fortune-500 companies frequently ask me about network transformation issues. They are concerned about Cloud applications having operational glitches and they want to hear how other enterprises are tackling Cloud-related networking issues. Current WAN architecture...

read more
SD-WAN Helps Secure Hybrid Networks

SD-WAN Helps Secure Hybrid Networks

Network engineer S. Smith radically redesigned his company’s outdated branch architecture. His financial company’s 3,000 branches were routing their wide area network (WAN) traffic over multi protocol label switching (MPLS). If its link went down, it used Internet...

read more
Hybrid WAN Requires a New Connectivity Model

Hybrid WAN Requires a New Connectivity Model

One of the biggest headaches for networking teams is supporting the rollout of new enterprise applications. A hybrid WAN can ease application deployment, but to make it a reality, we need to switch from a network topology to a service topology. Modern WAN requirements...

read more
SD-WAN Solutions

SD-WAN Solutions

Providing SD-WAN connectivity across the enterprise is becoming increasingly complex. Organizations must manage multiple disparate transport networks, embed policy control at every hop in the network, address security vulnerabilities, rectify application performance...

read more
SD-WAN Benefits

SD-WAN Benefits

In today’s fiercely competitive digital-driven marketplace, enterprises must remove complexity from the WAN. WANs need to be easier to manage, cost-efficient, more agile and available, and better aligned with an organization’s computer and business needs. The SD-WAN...

read more
SD-WAN – WAN Network

SD-WAN – WAN Network

From WAN to SD-WAN The traditional WAN architecture is complex, rigid, and expensive. As organizations undergo digital transformations, they are eagerly seeking flexible, cost-effective, and easy-to-manage alternatives for WAN network connectivity and optimization....

read more