[Pl-seminar] Fwd: 6th February : Lucas Waye: Whip: Higher-order Contracts for Modern Services

[Aviral Goel]

Hi,

This talk is happening tomorrow.

*Date:* Wednesday, February 6th
*Location:* WVH 366
*Time:* 10:00 AM to 11:30 AM
*Host:* Ben Greenman
*Faculty Host*: Matthias Felleisen

---------- Forwarded message ---------
From: Aviral Goel <goel.av at husky.neu.edu>
Date: Wed, Jan 30, 2019 at 10:58 AM
Subject: [Pl-seminar] 6th February : Lucas Waye: Whip: Higher-order
Contracts for Modern Services
To: <pl-seminar at ccs.neu.edu>


*Date:* Wednesday, February 6th
*Location:* WVH 366
*Time:* 10:00 AM to 11:30 AM
*Host:* Ben Greenman

*Whip: Higher-order Contracts for Modern Services*
*Lucas Waye*

*Abstract*
Modern service-oriented applications forgo semantically rich protocols and
middleware when composing services. Instead, they embrace the
loosely-coupled development and deployment of services that communicate via
simple network protocols. Even though these applications do expose
interfaces that are higher-order in spirit, the simplicity of the network
protocols forces them to rely on brittle low-level encodings. To bridge the
apparent semantic gap, programmers introduce ad-hoc and error-prone
defensive code. Inspired by Design by Contract, we choose a different route
to bridge this gap. We introduce Whip, a contract system for modern
services. Whip (i) provides programmers with a higher-order contract
language tailored to the needs of modern services; and (ii) monitors
services at run time to detect services that do not live up to their
advertised interfaces. Contract monitoring is local to a service. Services
are treated as black boxes, allowing heterogeneous implementation languages
without modification to services' code. Thus, Whip does not disturb the
loosely coupled nature of modern services.

*Bio*
I'm currently a Software Engineer at Facebook thinking about privacy in the
data warehouse. Previously I helped build TiVo's Targeted Audience Delivery
platform. And before that I worked on the backend for Timeful (acquired by
Google) and on Hulu's analytics platform. In graduate school I worked on
Whip, a contract monitor for microservices. I received a Ph.D. and Master's
degree from Harvard under the guidance of Stephen Chong and a Bachelor's
degree from Cornell.
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