Introduction: For several years, we’ve wondered why there was so many alternative WANs used and proposed to access and deliver cloud computing and storage services (IaaS, PaaS, SaaS, etc.) for public, private, and hybrid clouds. The list includes: the public Internet (best effort), IP MPLS VPN, other types of IP VPNs, Carrier Ethernet for Private Cloud (MEF spec), dedicated private line to Cloud Service Provider (CSP) data center/platform/point of presence, etc. AT&T is attempting to position its “SDN WAN” enhanced IP-MPLS VPN as the unified WAN solution for cloud services provided by its partners. At IT Roadmap in San José, CA on Sept 17, 2014, Randall Davis announced that AT&T is partnering with several CSPs to use its enhanced IP-MPLS VPN WAN to enable end users to access a variety of cloud services. The impressive list of CSPs includes: Microsoft (Windows Azure), HP, IBM, Salesforce.com, Box, and CSC. That bestows credibility and confidence in AT&T’s cloud networking approach. Network Enabled Cloud Solutions via AT&T NetBond: Mr. Davis stated that AT&T spends ~$20B per year on CAPEX/OPEX to maintain and improve its wireless and wire-line networks. Instead of discrete network functions and equipment associated with individual services running on disparate subnetworks, AT&T’s goal is […]
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