The annual ACM/IFIP Middleware conference is a major forum for the discussion of innovations and recent advances in the design, construction, and use of middleware systems. Middleware is the software that resides between applications and the underlying architecture and platforms, often with an emphasis on networked computing. The goal of middleware is to facilitate the development of applications by providing higher-level abstractions for better programmability, performance, scalability, and security. It is a rapidly evolving and growing field.

The Middleware conference traditionally includes a number of high-quality workshops. We invite experts on related research subjects to submit one-day or half-day workshop proposals within the scope of Middleware 2021. Proposed workshops can be on any topic related to middleware, but we are particularly interested in workshops focusing on emerging middleware areas.

Aniruddha Gokhale, Vanderbilt University, USA
Christine Julien, University of Texas, USA
Middleware 2021 Workshop Co-Chairs


  • (AoE) Workshop proposal submission: May 21, 2021
  • Workshop proposal acceptance notification: June 4, 2021
  • Workshop website and CFP online: June 18, 2021
  • Workshop paper submission (approximate): August 31, 2021
  • Workshop paper notification (approximate): September 30, 2021


Each workshop proposal, not exceeding three pages of 11pt single-spaced text, in PDF format, should include the following information:

  • the title of the workshop;
  • the names, affiliations and e-mail addresses of the organizing committee;
  • a brief technical description of the workshop topic area;
  • the history of the workshop, if applicable;
  • a short description of the intended format of the workshop (keynote speakers, discussions, etc.);
  • a description of the intended review process;
  • tentative workshop paper submission and notification deadlines;
  • a brief statement of the relevance of the workshop to Middleware;
  • a preliminary list of PC members that have accepted to participate in the committee.

Each workshop will organize its own submissions and reviewing procedures and will provide its own website. A link will be provided to the workshop’s website from the Middleware 2021 website. Workshop organizers will ensure that all accepted papers are peer reviewed and will need to upload camera ready and copyright agreements of all accepted papers in a timely manner through the ACM portal. Organizers will plan their workshop’s schedule so that: (i) the paper submission deadline falls after the main conference's second round notification date (15 August 2021); (ii) authors are notified no later than September 30, 2021; and (iii) authors submit their camera-ready papers no later than October 25, 2021. Accepted workshop papers should be no longer than 6 pages in the standard ACM format. Note that at least one author on each accepted workshop paper must hold a full pre-conference registration, as must at least one workshop organizer. Workshop organizers are responsible for preparing the papers for their workshops in the format required by ACM. As in previous years, the Middleware conference organizers will provide companion proceedings including all workshop papers, which will be available in the ACM Digital Library. This is subject to the availability of their camera-ready papers by October 25, 2021.

Middleware requires workshop organizers to use HotCRP ( to collect submissions, manage reviewing, and facilitate collection of material for the proceedings. HotCRP is free of charge for Middleware workshops and provides many useful tools, such as to manage copyright assignment, final-version submission, PDF checking, and proceedings construction.

Workshop proposals must be sent to:

For the camera-ready instructions, please visit the camera-ready instructions page.

The Middleware conference adheres strictly to the ACM policies against discrimination and harassment.


Events Dates
Abstract Submission May 15th May 22nd, 2021
Full Paper Submission May 22nd June 1st, 2021
Author Notification August 15th August 22nd, 2021
Revised Submissions September 15th, 2021
Notifications of Decisions of Revised Papers September 30th, 2021
Camera Ready October 18th October 25th, 2021


Events Dates
Workshop Proposal Submission May 21st, 2021
Industry Track Abstract Submission May 15th May 22nd, 2021
Industry Track Full Paper Submission May 22nd June 1st, 2021
Doctoral Symposium Submission September 22nd September 29th, 2021
Demo & Poster Submission October 1st, 2021


Events Dates
Abstract Submission November 20th, 2020
Full Paper Submission December 1st, 2020
Author Notification February 28th March 3rd, 2021
Revised Submissions April 2nd April 5th, 2021
Notifications of Decisions of Revised Papers April 30th May 20th, 2021
Camera Ready June 14th July 7th, 2021
Conference December 6th – 10th, 2021