WAN Optimization: The top 2 SD-WAN Providers and Vendors for 2021

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Recently, some vendors and solutions have been converging the network, security and artificial intelligence under the SD-WAN umbrella, giving way for AI-powered insights, virtual assistants and augmented management. With these additions, SD-WAN is starting to look like autonomous networkin

1. Aryaka Networks

San Mateo, Calif.

The value proposition for potential buyers. The 11-year-old Aryaka comes to the market with SD-WAN technology delivered via a managed services model.

Key values/differentiators:

  • Currently, the company has over 800 enterprise customers in 63 countries and a 98 percent retention rate.
  • Aryaka's SD-WAN platform, SmartConnect, is available as a service, leveraging cloud providers, including Amazon Web Services and Microsoft Azure, and offers approximately 50 percent faster performance than MPLS. Faster transport is provided by the vendor's private global network than MPLS or the internet.
  • SmartConnect offers cloud connectivity, SaaS support, WAN optimization, SmartCDN content delivery network, and mobile application acceleration through its SmartAccess product. It is possible to deploy branch office connectivity within eight to 48 hours, rather than the weeks or months it takes for MPLS.

2. Citrix Systems

Santa Clara, Calif., and Ft. Lauderdale, Fla.

The value proposition for potential buyers. Among the many services provided by Citrix, servers and desktops are virtualized. Networks and the cloud are also handled by Citrix. The company is present in more than 400,000 organizations, including 99 percent of the Fortune 100 and 98 percent of the Fortune 500.

Key values/differentiators:

  • Citrix's SD-WAN-formerly known as NetScaler-integrated network functions such as real-time path selection, stateful firewalls, and WAN optimization into a single appliance for the branch.
  • Devices can be deployed in remote locations and data centers and support a variety of transport methods, from MPLS to mobile to broadband, through a single virtual link.
  • SD-WAN from Citrix can be purchased in two editions: Standard and Premium, and as a cloud service hosted on Amazon Web Services and Microsoft Azure.
  • Provides fast failover from one link to another and failover in milliseconds with bi-directional monitoring of links and edge mode or overlay deployment within the same network.