The current industry trend of convergence between computing and networking eco-systems clearly shows that software will play an unprecedented dominant role also in future communication environments. Computing, storage, and connectivity services, as well as any other present and future application instances, will be deployed in the form of virtualized assets within a software-defined infrastructure running on top of general-purpose processing and communication hardware, all managed and made available under the cloud "As A Service" paradigm. This technological convergence and infrastructure sharing between the computing and communication systems portend a scenario with a "fog" of micro-clouds composed of generalized virtual functions providing both applications and network services that supplement those deployed in traditional cloud datacenters.

The Second IEEE Workshop on Orchestration for Software-Defined Infrastructures (O4SDI) addresses the challenges that will facilitate orchestration and programmability of generalized virtual functions in Software Defined Infrastructures (SDI), enabling cloud and network providers to deploy integrated services across different resource domains. Orchestration mechanisms will facilitate the live deployment and lifecycle management of these virtual elements, at the application level, the server level, and the network level within a single domain and across multiple domains. Without such orchestration it will not be possible to enable dynamic establishment of generalized virtual functions chains, according to service requirements.

Topics of Interest

O4SDI aims at providing an international forum for researchers and practitioners from academia, industry, network operators, and service providers to discuss and address the challenges deriving from such emerging scenario where systems, processes, and workflows used in both computing and communications domains are converging.

The workshop welcomes contributions from both computing and network-oriented research communities, with the aim of facilitating discussion, cross-fertilization and exchange of ideas and practices, and successfully promote innovative solutions toward a real programmatic use of software-defined infrastructures as a whole. Contributions that discuss lessons learnt and best practices, describe practical deployment and implementation experiences, and demonstrate innovative use-cases are especially encouraged for presentation and publication.

We are particularly interested in papers that cover, but are not limited to, the following topics:


08:30 - 08:35   Welcome and Introduction
08:35 - 09:35   Technical Session 1
  • Towards a Modular Interactive Management Approach for SDN Infrastructure Orchestration
    Cirios Santhiago Gomes; Felipe Sampaio Dantas da Silva; Emidio Neto; Kevin Costa; Joao Batista
  • Resilient Orchestration of Service Functions Chains in a NFV Environment
    Ahmed M. Medhat; Giuseppe Carella; Marcello Monachesi; Michael Pauls; Marius Corici; Thomas Magedanz
  • Distributed Service Orchestration: Interweaving Switch and Service Functions Across Domains
    Qiong Zhang; Xi Wang; Paparao Palacharla; Tadashi Ikeuchi
09:35 - 10:15   Invited Talk 1
Recent Developments in Orchestration: From Basic Configuration to Multi-Domain Management
Dr. Ishan Vaishnavi (Huawei Technologies Dusseldorf GmBH, Germany)
10:15 - 10:30   Break
10:30 - 11:10   Invited Talk 2
Policy-based Architectures for Network Programmability
Dr. Flavio Esposito (Saint Louis University, USA)
11:10 - 12:10   Technical Session 2
  • Efficient Service Graph Embedding: A Practical Approach
    Balazs Nemeth; Balazs Sonkoly; Matthias Rost; Stefan Schmid
  • Efficient Service Auto-Discovery for Next Generation Network Slicing Architecture
    Salvatore Talarico; Kiran Makhijani; Padma Esnault
  • Co-Scaler: Cooperative Scaling of Software-defined NFV Service Function Chain
    Bin Zhang; Pengfei Zhang; Yusu Zhao; Yongkun Wang; Luo Xuan; Yaohui Jin
12:10 - 12:15   Closing

Invited Talk 1

Recent Developments in Orchestration: From Basic Configuration to Multi-Domain Management
Dr. Ishan Vaishnavi (Huawei Technologies Dusseldorf GmBH, Germany)

This talk will briefly introduce the history of orchestration from the perspective of the presenter. We will see how the problems in orchestration have evolved from the concept of a basic automated configuration platform to that of creating the most essential component in the management plane of 5G Network. We will then look at the current challenges in orchestration and focus particularly on the problems within multi-operator network orchestration. In this regard, the talk will focus on the challenges seen in the multi-operator orchestration and solutions as studied in the 5GEx project (

Ishan Vaishnavi finished his Bachelors and Masters in 2003 from the Indian Institute of Technology, Delhi. After a three year stint as a developer in the Solaris team at Sun Microsystems he moved to work as a Researcher in Training at CWI, Amsterdam where he also received his PhD at VU Amsterdam in the field of multimedia networking. He then joined DoCoMo Research Labs in Munich where he first heard about the term “orchestration”. He worked in this area for DoCoMo for about two years after which he moved to Huawei to continue his work in Orchestration research focusing particularly on embedding algorithms and monitoring aspects. He holds a number of publications, patents and is participating in various standardization activities related to Orchestration and Management with a particular focus on multi-domain aspects. Currently he is still in Huawei working for the Future Network Technologies Team leading the team’s research directions in Multi-Domain Orchestration and Management area.

Invited Talk 2

Policy-based Architectures for Network Programmability
Dr. Flavio Esposito (Saint Louis University, USA)

The goal of Software-Defined Networking (SDN) is to simplify network management and the development of network applications through network programmability. Existing SDN solutions such as OpenFlow often limit this programmability to traffic forwarding rules. In this talk, I will present a few examples of architectures that I have built that enable policy programmability for different network management applications. I will also discuss how such policy-based architectures relate to intent-based management in NFV and SDN.

Flavio Esposito completed his Ph.D. in Computer Science in 2013 at Boston University, and then spent a few years as a member of the advanced technology group at Exegy Inc. in St. Louis before joining the computer science department at Saint Louis University. Flavio's research centers on networked systems, including network virtualization, network management, software-defined networks, network architecture and wireless networks.

Important Dates and Submission Information

Download the Call for Papers in PDF format

Prospective authors are invited to submit high-quality, original technical papers for presentation at the workshop and publication in the O4SDI Proceedings and IEEE Xplore. Papers must be written in English, unpublished and not submitted elsewhere. Full papers must be formatted as the standard IEEE double-column conference template. All final submissions should have a maximum paper length of six (6) printed pages (10-point font), including figures, without incurring additional page charges.

To be published in the Workshop Proceedings and to be eligible for publication in IEEE Xplore, at least one author of an accepted paper is required to register and present the paper at the workshop. The IEEE reserves the right to exclude a paper from distribution after the conference (including its removal from IEEE Explore) if the paper is not presented at the conference. Papers are reviewed on the basis that they do not contain plagiarized material and have not been submitted to any other conference at the same time (double submission). These matters are taken very seriously and the IEEE Communications Society will take action against any author who engages in either practice.

Workshop Committee

Workshop Co-Chairs

Technical Program Committee

O4SDI Steering Committee

Walter Cerroni

University of Bologna, Italy

Stuart Clayman

University College London, UK

Barbara Martini

CNIT, Pisa, Italy

Federica Paganelli

CNIT, Firenze, Italy