ETAPS 2019
Sat 6 - Thu 11 April 2019 Prague, Czech Republic
Wed 10 Apr 2019 14:00 - 14:30 at SUN II - Concurrency and Distribution Chair(s): Luca Padovani

We present a behavioural typing system for a higher-order timed calculus, using types to model timed protocols (i.e., application-level specifications of interaction patterns among distributed applications), and the calculus to abstract implementations. Behavioural typing ensures that processes in the calculus will perform actions in the time-windows prescribed by their protocols. We introduce duality and subtyping relations for timed asynchronous session types. Duality includes a class of protocols that previous work on asynchronous timed session types could not type-check. Subtyping is critical for precision of our typing system, especially in the case of session delegation. The composition of dual timed asynchronous types enjoys progress when using an urgent receive semantics, in which receive actions are executed as soon as the expected message is available. Our calculus increases the modelling power of calculi used in the previous timed session work. Specifically, we add a blocking receive primitive with timeout, and a primitive that consumes an arbitrary amount of time in a given range.

Wed 10 Apr

Displayed time zone: Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna change

14:00 - 16:00
Concurrency and DistributionESOP at SUN II
Chair(s): Luca Padovani University of Turin
14:00
30m
Talk
Asynchronous timed session types: duality and time-sensitive processes
ESOP
Laura Bocchi University of Kent, Maurizio Murgia , Vasco Thudichum Vasconcelos , Nobuko Yoshida Imperial College London
Link to publication
14:30
30m
Talk
Manifest Deadlock-Freedom for Shared Session Types
ESOP
Stephanie Balzer Carnegie Mellon University, Bernardo Toninho Imperial College London, Frank Pfenning Carnegie Mellon University, USA
Link to publication
15:00
30m
Talk
A Categorical Model of an i/o-typed pi-calculus
ESOP
Ken Sakayori The University of Tokyo, Takeshi Tsukada University of Tokyo, Japan
Link to publication
15:30
30m
Talk
A Process Algebra for Link Layer Protocols
ESOP
Link to publication