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How to move to DevOps to drive open networks

Lee Doyle | July 31, 2015
It’s time to re-examine traditional IT organizational structures and move toward a cloud-oriented, DevOps-based model. This transformation will be challenging, take time and impact the way networks are built and managed. Here are some recommendations for IT leaders.


Many of the topics and discussions at the recent Open Networking User Group (ONUG) conference emphasized one very important shift in the networking industry: leading IT organizations are moving to a DevOps organizational structure and eliminating the traditional silos of server, storage and networking in favor of cloud centric, cross-functional teams. Moreover, these changes in IT organizational structure are having a significant impact on networking requirements (e.g. adaptability and programmability) and fueling the adoption of open network software.

New IT organizational structures
Driven by the rise of public cloud computing, many leading edge IT organizations have radically changed the way they build new applications. Specifically, they have made software development (and the application) central to their organizational structure and have broken down the traditional silos of compute, storage, networking and applications.

Increasingly DevOps teams are responsible for deploying the applications to meet specific uptime and cost specifications. These teams are responsible for maintaining the ongoing application, managing changing application requirements (scale up or scale down) and making sure the application can continue to run in the event of hardware or software failures. Virtually all of the hyperscale cloud providers (e.g. Google, Microsoft, Apple and Facebook) have adopted this new model, as have many leading edge Fortune 500 companies (including Fidelity, Tesla Motors, Bloomberg and Citigroup.

Rise of open source networking
The IT industry has been significantly impacted by the rapid adoption of open source software (e.g. Linux and OpenStack) and associated tools that allow IT professionals to rapidly and inexpensively develop new applications. Driven by the advent of SDN, the networking industry now has a wide range of open source software developments running on standard hardware platforms (e.g. x86 servers or Broadcom switches).

The largest IT buyers, including the hyperscale cloud providers, telcos and Fortune 500 companies, have come together by means of organizations such as ONUG to demand that vendors embrace open technologies. The goal of ONUG is to use the collective market power of IT leaders to promote the use and standardization of open networking by providing reference requirements and testing for a number of SDN use cases including WAN, data center and network management. As a result, many vendors who previously saw open source as a threat to their revenue streams are now seeing how they can leverage it to create new opportunities. Additionally, open source initiatives including OpenDaylight, OpenStack, OCP and OPNFV, among others are seeing increased interest and participation.

Networking vendors who have embraced open source software include:

  • Startups: Big Switch, Cumulus, Midokura, Pertino, Pica8, PlumGrid, Velo Cloud, Viptela, etc.
  • Incumbent networking providers: Arista, Brocade, Cisco, Juniper, F5
  • IT providers: IBM, Intel, HP, DELL, Red Hat, VMware


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