Cardinality of UDP Transmission Outcomes

  • Franz Weitl
  • Nazim Sebih
  • Cyrille Artho
  • Masami Hagiya
  • Yoshinori Tanabe
  • Yoriyuki Yamagata
  • Mitsuharu Yamamoto
Conference paper
First Online:
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9409)

Abstract

This paper examines the cost of testing network applications using the User Datagram Protocol (UDP). Such applications must deal with packet loss, duplication, and reordering. Ideally, a UDP application should be tested against all possible outcomes of unreliable UDP transmissions. Their number, however, grows at least exponentially in the number of transmitted packets.

To estimate the cost of the exhaustive testing of UDP applications, we determine the number of UDP transmission outcomes analytically. Based on this combinatorial analysis, we derive a sound, complete, and optimal algorithm for generating outcomes of unreliable UDP transmissions. The algorithm is implemented in the net-iocache extension of the software model checker Java Pathfinder (JPF).

Experimental results confirm the consistency of the implementation with the analytical results. In addition, we found that JPF’s state matching reduces the explored state space significantly and ensures the practicability of the approach despite of its exponential complexity.

Keywords

User datagram protocol Software model checking Java Pathfinder Combinatorial analysis 
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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Franz Weitl
    • 1
  • Nazim Sebih
    • 3
  • Cyrille Artho
    • 2
  • Masami Hagiya
    • 3
  • Yoshinori Tanabe
    • 4
  • Yoriyuki Yamagata
    • 2
  • Mitsuharu Yamamoto
    • 1
  1. 1.Chiba UniversityChibaJapan
  2. 2.AIST/RISECAmagasaki/tsukubaJapan
  3. 3.The University of TokyoTokyoJapan
  4. 4.Tsurumi UniversityYokohamaJapan

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