Our Projects

Project ASPEN:
Real Time Media Interface Specification



Project Aspen is the Open Source version of the ONF Real Time Media NBI for the IMTC QoE use case. The original deployment scenario assumptions:

Unified Communications (UC) in Enterprise networks

  • No trust in end-devices wrt QoS markings (those might cheat)
  • Rather trust the UC infrastructure, have it inform the SDN controller
  • Only replace the edge with OF enabled switches
  • Use SDN to apply QoS markings
  • Use legacy (core) network to forward according to markings

ONF is specifying an API that allows applications to inform SDN controller

Initially the focus was only on unified communications (e.g. Lync, Webex, Skype); now the scope is extended to real-time media apps in general. A description of the code is provided (Creative Commons license), the reference code has been delivered (Apache 2.0), and the final implementation code is expected shortly (September 2015).

Project Summary

Project Leader

Pascal Menezes (Microsoft), Fabian Schneider (NEC),
John Morey


Open Source SDN/Apache 2.0

Software Language(s):


Fabian Schneider

Pascal Menezes

John Morey