This is a call for proposals for the 3 day networking track at the Linux Plumbers Conference in Lisbon, which will be happening on September 9th-11th, 2019. We are seeking talks of 40 minutes in length (including Q & A), optionally accompanied by papers of 2 to 10 pages in length. The papers, while not required, are very strongly encouraged by the committee. The submitters intention to provide a paper will be taken into consideration as a criteria when deciding which proposals to accept. Any kind of advanced networking-related topic will be considered. Please submit your proposals on the LPC website at: https://www.linuxplumbersconf.org/event/4/abstracts/#submit-abstract And be sure to select "Networking Summit Track" in the Track pulldown menu. Proposals must be submitted by August 2nd, and submitters will be notified of acceptance by August 9th. Final slides and papers (as PDF) are due on September 2nd.