Computer and Network Systems (CNS) Core Programs | Apply Online

Opportunity Summary:

The Computer and Network Systems (CNS) Core Programs grant opportunity is a National Science Foundation (NSF) funding program housed within the Directorate for Computer and Information Science and Engineering (CISE), specifically the Division of Computer and Network Systems (CNS). Its main purpose is to support research and education efforts that create new knowledge and capabilities in foundational areas of computer systems and networking. Work funded under this opportunity generally falls into two core CNS program areas: the Computer Systems Research (CSR) program, which focuses on advances in computing systems (spanning topics such as architectures, operating systems, storage, reliability, security at the systems level, and related system-building and evaluation), and the Networking Technology and Systems (NeTS) program, which centers on networking and communications systems research (including network architectures, protocols, performance, manageability, and emerging networking technologies and services). The program is positioned as part of NSF CISE's broader strategy for systems and networking research, and it is designed to complement, rather than replace, larger-scale CISE investments such as Expeditions in Computing, which supports much bigger projects.

Proposals are accepted in three clearly defined project classes that differ by total budget and project duration, letting investigators scale their ideas to the right level of ambition and effort. Small Projects request up to $500,000 in total funding with project durations of up to three years. Medium Projects request from $500,001 to $1,200,000 total funding with durations of up to four years. Large Projects request from $1,200,001 to $3,000,000 total funding with durations of up to five years. These categories are meant to provide a structured way to fund everything from focused, single-team efforts (often typical of Small awards) to broader, multi-investigator, more complex or resource-intensive activities (more common for Medium and Large awards). The opportunity notes that a more complete description of these classes is provided in the program announcement's Program Description section, which typically lays out expectations around scope, management, evaluation, and broader impacts appropriate to each scale.

From a funding and administrative standpoint, this is a discretionary grant program (Funding Instrument Type: Grant) in the Science and Technology and other Research and Development activity category. The NSF anticipated roughly 120 awards from an estimated total funding pool of about $60,000,000. Individual awards could be as small as $50,000 (award floor) and as large as $3,000,000 (award ceiling), consistent with the Small through Large project structures. Cost sharing or matching is not required, which generally simplifies budgeting and proposal preparation compared with programs that require institutional matching funds.

Eligibility is listed as unrestricted, meaning it is broadly open to many applicant types, subject to any specific constraints described in the full text of the solicitation. In NSF practice, this typically includes accredited U.S. institutions such as universities and colleges, certain nonprofit research organizations, and other eligible entities, though the definitive eligibility rules are always those stated in the official program announcement. The opportunity is associated with CFDA number 47.070 (Computer and Information Science and Engineering), and the solicitation is identified as NSF Publication 10-573 (Funding Opportunity Number 10-573).

The program operated on annual submission windows tied to project class, with separate due-date ranges for Small, Medium, and Large proposals. The listed windows were: Small Projects due annually between September 1 and September 15; Medium Projects due annually between November 1 and November 28; and Large Projects due annually between December 1 and December 17. In the archived listing provided, the current closing date is described as "Waiting for new publication," and the record indicates an archive date of June 23, 2011, meaning applicants would normally need to check NSF for the most current version of the solicitation and active deadlines. For access or technical issues with the announcement, the contact guidance points to NSF Grants.gov support via grantsgovsupport@nsf.gov, reflecting that proposal submission and solicitation access often involve Grants.gov or NSF systems depending on the era and submission pathway.

In practical terms, the CNS Core Programs solicitation is aimed at advancing the underlying technologies and principles that make computing and networking faster, more reliable, more secure, more scalable, and more efficient. It funds both research and education components, so proposals commonly include plans for student training, curriculum or workforce development elements, community artifacts (like open-source software, datasets, testbeds, or benchmarks), and broader impacts beyond the immediate research results. The overall structure encourages a steady pipeline of systems and networking innovations across multiple scales, while leaving room for the most ambitious efforts to be pursued through complementary programs like Expeditions in Computing, which can fund projects up to $10,000,000 over up to five years.

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