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Understanding OPNFV

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Page 52 of 144

Understanding OPNFV 52 often fail to ensure true interoperability. And since they work for long periods of time without getting customer feedback, standards sometimes end up in a wasted effort. We are by no means suggesting that standards are going away; what we are saying is that some types of standards can be replaced by open source software. In that sense, open source software supplements open standards. Case-in-point, OPNFV collaborates with standard bodies such as ETSI NFV ISG, IETF, MEF, TM Forum, and so on. While open source, per se, is not a business benefit, the following is a list of the primary end user benefits of open source: ● Interoperability: Open source assures stronger interoperability than open standards because not only are the APIs open, the reference implementation is also open – and frequently created jointly by multiple companies, including competitors. ● Innovation velocity: The rate of innovation in open source projects typically exceeds proprietary products and standards. ● Faster troubleshooting: In a multi-vendor system, troubleshooting becomes a complex multi-party effort. With open source, all parties have access to the source and the ability to fix bugs, including the end user. ● Roadmap influence: The ability of a user to influence an open source project is higher than a proprietary product. In fact, if all else fails, the user can simply start contributing to the project and get the features they want. ● Reduced cost: Open source projects are not free. However, open source enables sharing R&D burden across multiple companies in the ecosystem and drives greater competition that in turn results in cost savings. ● Transparency: In the current age of heightened security concerns, open source transparency provides protection against malevolent features. Multiple Approaches to NFV OPNFV can be used collaboratively with: ● CORD: Central Office Re-architected as a Datacenter (CORD) is also an open source project hosted by the Linux Foundation. This project is being integrated in OPNFV as part of a new multi-edge project. CORD defines entire stacks that consist of hardware (industry standard servers, white box switches and access connectivity), along with ONOS SDN controller, OpenStack VIM and XOS VNFM. The focus is on development, as opposed to integration and testing, which makes collaboration with OPNFV very appealing. CORD has three flavors (Enterprise, Residential and Mobile) that use the same core technology but vary VNFs and access technologies. ● Public clouds: Using public clouds for NFV use cases is generally impractical.

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