The 45th IEEE/IFIP International Conference on Dependable Systems and Networks (DSN'2015)

Workshop on Dependability Issues on SDN and NFV (DISN)

Dependability Issues on SDN and NFV

Software-Defined Networks (SDN) and Network Function Virtualization (NFV) are two technologies that have already had a deep impact on computer and telecommunication networks. Software Defined Networks (SDN) decouple network control from forwarding functions, enabling network control to become directly programmable and the underlying infrastructure to be abstracted from applications and network services. Network Functions Virtualization (NFV) is a network architecture concept where IT virtualization techniques are used to implement network node functions as building blocks that may be combined, or chained, together to create communication services. SDN and NFV make it simpler and faster to deploy and manage new services, avoiding the cost and the long time frame required to design and implement hardware-based network services. Furthermore, these technologies allow the existing hardware infrastructure to be effectively used, as services can be (re-)allocated according to requirements, resources and load.

SDN and NVF introduce numerous dependability challenges. In terms of reliability, the challenges range from the design of reliable new SDN and NFV technologies to the adaptation of classical network functions to these technologies. The effective, dependable deployment of the virtual network on the physical substrate is particularly important. In terms of security, the challenges are enormous, as SDN and NFV are meant to be the very fabric of both the Internet and private networks. Threats, privacy concerns, authentication issues, and isolation - defining a truly secure virtualized network requires work on multiple fronts.


DISN: Workshop on Dependability Issues on SDN and NFV
June 22, 2015 @ DSN'2015

14:00hs - 15:00hs
Opening & Keynote #1 (Chair: Elias P. Duarte Jr.)
Title: Software Network Security
Speaker: Otto C. M. B. Duarte
Federal University of Rio de Janeiro, Brazil

15:00-16:00hs Technical Session #1 (Chair: Elias P. Duarte Jr.)

Paper #1 Title: SeReNe: On Establishing Secure and Resilient Networking Services for an SDN-based Multi-Tenant Datacenter Environment
Authors: Chun-Jen Chung, Tianyi Xing and Dijiang Huang (Arizona State University), Deep Medhi (University of Missouri-Kansas City), Kishor Trivedi (Duke University)

Paper #2 Title: Video on Demand Hosted on Private Clouds: Availability Modeling and Sensitivity Analysis
Authors: Rosangela Melo, Maria Clara Bezerra, Jamilson Dantas, Rubens Matos, Ivanildo Melo, Paulo Maciel (Federal University of Pernambuco)

16:30 - 17:00hs: Technical Session #2 (Chair: Otto C. M. B. Duarte)
Paper #3 Title: Implementation of a Failure Detector Based on Network Function Virtualization
Authors: Rogerio Turchetti and Elias P. Duarte Jr. (Federal University of Parana)

17:00-18:00hs Keynote #2 & Closing (Chair: Otto C. M. B. Duarte)
Title: NetPaxos: Consensus at Network Speed
Speaker: Robert Soule
University of Lugano, Switzerland


Topics include but are not limited to:

  • Fault characterization in SDN and NFV
  • Fault monitoring in SDN and NFV
  • Dependability strategies to tolerate faults in SDN and NFV
  • Virtual-Physical Network Allocation
  • Dependable Network Programmability
  • Security of SDN infrastructures
  • Isolation & privacy in virtualized network environments
  • Dependability of virtualization technologies in SDN and NFV
  • Management of SDN and NFV
  • Practical experience reports on dependability issues of SDN and NFV

Submissions must be up to 8 pages and must adhere to the IEEE Computer Society camera-ready 8.5″x11″ two-column camera-ready format (using a 10-point font on 12-point single-spaced leading). The templates are reproduced below for your convenience, and further details can be found here.

Submission website:

Important Dates

  • Submission deadline extended (firm): March 15, 2015
  • Author notification: April 15, 2015
  • Camera-ready: April 22, 2015
  • Workshop: June 22, 2015

Technical Program Committee
  • Marinho Barcelos, UFRGS, Brazil
  • Marco Canini, Catholic University of Louvain, Belgium
  • Luciano Gaspary, UFRGS, Brazil
  • Lisandro Granville, UFRGS, Brazil
  • Dorgival Guedes, UFMG, Brazil
  • Magnos Martinello, UFES, Brazil
  • Fernando Ramos, University of Lisbon, Portugal
  • Christian Rothenberg, Unicamp, Brazil
  • Richard Schlichting, AT&T Labs, U.S.A.
  • D. D. Sharma, AT&T, U.S.A.
  • Robert Soule, University of Lugano, Switzerland
  • Paulo Verissimo, University of Luxembourg, Luxembourg

DISN: Chairs & Contact
Elias P. Duarte Jr. -
Matti Hiltunen -

Workshop on Dependability Issues on SDN and NFV (DISN)
The 45th Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN'2015)