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SDN Journal Authors: Lori MacVittie, Carmen Gonzalez, Paul Speciale, Sandi Mappic, Elizabeth White

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APIs and Programmability: Jailbreaking Your Network

The importance of APIs and programmable data paths to the future of networking

OpenStack. OpenDaylight. SDN. Cloud. It's all about abstraction, about APIs and "software-defined" (which really means software-controlled, but this is neither the time or place to get into that debate).

It's about jailbreaking the network. Enabling access to features and functionality in a way that results in new services, increased responsiveness and overall, the operationalization of the network.

The term jailbreaking is generally used with respect to mobile phones, in particular Apple's iOS line of phones.

"Jailbreaking permits root access to the iOS file system and manager, allowing the download of additional applications, extensions, and themes that are unavailable through the official Apple App Store. Jailbreaking is a form of privilege escalation,[1][2] and the term has been used to describe privilege escalation on devices by other manufacturers as well.[3][4] The name refers to breaking the device out of its "jail",[5] which is a technical term used in Unix-style systems, for example in the term "FreeBSD jail"." (Wikipedia, iOS jailbreaking)

network-jailbreak2

This technical jargon is equally applicable to the network, where value has been locked up inside the network for years with very few opportunities to extend and enhance the functionality provided. Programmability of the data path is critical to jailbreaking the network and enabling the creation of "additional applications" and "extensions" to the system that might otherwise take multiple vendor release cycles to appear or, in many cases, might never rise to the top of the vendor's priority stack.

So, too, do APIs enable the network to break out of its traditional "jail" comprised of static and highly differentiated command line interfaces, where operators are relegated to 3-5 years of hard manual configuration labor and can only glance longingly at high glossy graphics depicting new and more efficient network architectures.

Alright, maybe it's not that bad, but then again... maybe it is. When you consider the cost to scale those manual operations, the technical debt incurred, and the inability to investigate the possibility that new network architectures might just offer the competitive advantage you need, it becomes an imperative that the network be operationalized and the advantages of a programmable network be taken to move the organization (read: the business) forward.

why-network-jailbreak

The reality is that most modern architectures - SDN, cloud and even NFV in the service provider realm - are all predicated on the ability to jailbreak the network. Operationalizing the network through the use of APIs to integrate, automate, and orchestrate network elements and services is critical to maintaining the robust, reliable and scalable networks required to continue supporting business (and consumer) growth.

There is a lot of value hidden in existing network elements. Many times the reason it's never been unlocked before is the network teams responsible for managing the network have just never had the time to explore, test and implement using the features and functionality available. Operationalized networks promise to offer them the time they need to get to know their network again and start figuring out how to leverage what  they have to provide even greater value to the applications that must traverse it and the business that can no longer live without it.

Read the original blog entry...

More Stories By Lori MacVittie

Lori MacVittie is responsible for education and evangelism of application services available across F5’s entire product suite. Her role includes authorship of technical materials and participation in a number of community-based forums and industry standards organizations, among other efforts. MacVittie has extensive programming experience as an application architect, as well as network and systems development and administration expertise. Prior to joining F5, MacVittie was an award-winning Senior Technology Editor at Network Computing Magazine, where she conducted product research and evaluation focused on integration with application and network architectures, and authored articles on a variety of topics aimed at IT professionals. Her most recent area of focus included SOA-related products and architectures. She holds a B.S. in Information and Computing Science from the University of Wisconsin at Green Bay, and an M.S. in Computer Science from Nova Southeastern University.

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