Open Compute Project

Last updated
Open Compute Project
AbbreviationOCP
Formation2011;13 years ago (2011)
TypeIndustry trade group
PurposeSharing designs of data center products
Region
Worldwide
Membership50+ corporations
Website opencompute.org

The Open Compute Project (OCP) is an organization that facilitates the sharing of data center product designs and industry best practices among companies. [1] [2] Founded in 2011, OCP has significantly influenced the design and operation of large-scale computing facilities worldwide. [1]

Contents

As of July 2024, over 300 companies across the world are members of OCP, including Arm, Meta, IBM, Wiwynn, Intel, Nokia, Google, Microsoft, Seagate Technology, Dell, Rackspace, Hewlett Packard Enterprise, NVIDIA, Cisco, Goldman Sachs, Fidelity, Lenovo, Accton Technology Corporation and Alibaba Group. [1] [3] [2]

Structure

Open Compute V2 Server Open Compute Server Front.jpg
Open Compute V2 Server
Open Compute V2 Drive Tray, 2nd lower tray extended Open Compute 1U Drive Tray Bent.jpg
Open Compute V2 Drive Tray,
2nd lower tray extended

The Open Compute Project Foundation is a 501(c)(6) non-profit incorporated in the state of Delaware, United States. OCP has multiple committees, including the board of directors, advisory board and steering committee to govern its operations.

As of July 2020, there are seven members who serve on the board of directors which is made up of one individual member and six organizational members. Mark Roenigk (Facebook) is the Foundation's president and chairman. Andy Bechtolsheim is the individual member. In addition to Mark Roenigk who represents Facebook, other organizations on the Open Compute board of directors include Intel (Rebecca Weekly), Microsoft (Kushagra Vaid), Google (Partha Ranganathan), and Rackspace (Jim Hawkins). [4]

A current list of members can be found on the opencompute.org website.

History

The Open Compute Project began in Facebook as an internal project in 2009 called "Project Freedom". The hardware designs and engineering team were led by Amir Michael (Manager, Hardware Design) [5] [6] [7] and sponsored by Jonathan Heiliger (VP, Technical Operations) and Frank Frankovsky (Director, Hardware Design and Infrastructure). The three would later open source the designs of Project Freedom and co-found the Open Compute Project. [8] [9] The project was announced at a press event at Facebook's headquarters in Palo Alto on April 7, 2011. [10]

OCP projects

The Open Compute Project Foundation maintains a number of OCP projects, such as:

Server designs

Two years after the Open Compute Project had started, with regards to a more modular server design, it was admitted that "the new design is still a long way from live data centers". [11] However, some aspects published were used in Facebook's Prineville data center to improve energy efficiency, as measured by the power usage effectiveness index defined by The Green Grid. [12]

Efforts to advance server compute node designs included one for Intel processors and one for AMD processors. In 2013, Calxeda contributed a design with ARM architecture processors. [13] Since then, several generations of OCP server designs have been deployed: Wildcat (Intel), Spitfire (AMD), Windmill (Intel E5-2600), Watermark (AMD), Winterfell (Intel E5-2600 v2) and Leopard (Intel E5-2600 v3). [14] [15]

OCP Accelerator Module

OCP Accelerator Module (OAM) is a design specification for hardware architectures that implement artificial intelligence systems that require high module-to-module bandwidth. [16]

OAM is used in some of AMD's Instinct accelerator modules.

Rack and Power designs

The designs for a mechanical mounting system have been published, so that open racks have the same outside width (600 mm) and depth as standard 19-inch racks, but are designed to mount wider chassis with a 537 mm width (21 inches). This allows more equipment to fit in the same volume and improves air flow. Compute chassis sizes are defined in multiples of an OpenU or OU, which is 48 mm, slightly taller than the typical 44mm rack unit. The most current base mechanical specifications were defined and published by Meta as the Open Rack V3 Base Specification in 2022, with significant contributions from Google and Rittal. [17]

At the time the base specification was released, Meta also defined in greater depth the specifications for the rectifiers and power shelf. [18] [19] Specifications for the power monitoring interface (PMI), a communications interface enabling upstream communications between the rectifiers and battery backup unit(BBU) were published by Meta that same year, with Delta Electronics as the main technical contributor to the BBU spec. [20]

Since 2022 however, the power demands of AI in the data center has necessitated higher power requirements in order to fulfill the heavy power demands of newer data center processors that have since been released. Meta is currently in the process of updating its Open Rack v3 rectifier, power shelf, battery backup and power management interface specifications to account for these new more powerful AI architectures being used.

In May 2024, at an Open Compute regional summit, Meta and Rittal outlined their plans for development of their High Power Rack (HPR) ecosystem in conjunction with rack, power and cable partners, increasing the power capacity in the rack to 92 kilowatts or more of power, enabling the higher power needs of the latest generation of processors. [21] At the same meeting, Delta Electronics and Advanced Energy introduced their progress in developing new Open Compute standards specifying power shelf and rectifier designs for these HPR applications. [22] Rittal also outlined their collaboration with Meta in designing airflow containment, busbar designs and grounding schemes to the new HPR requirements. [23]

Data storage

Open Vault storage building blocks offer high disk densities, with 30 drives in a 2U Open Rack chassis designed for easy disk drive replacement. The 3.5 inch disks are stored in two drawers, five across and three deep in each drawer, with connections via serial attached SCSI. [24] This storage is also called Knox, and there is also a cold storage variant where idle disks power down to reduce energy consumption. [25] Another design concept was contributed by Hyve Solutions, a division of Synnex in 2012. [26] [27] At the OCP Summit 2016 Facebook together with Taiwanese ODM Wistron's spin-off Wiwynn introduced Lightning, a flexible NVMe JBOF (just a bunch of flash), based on the existing Open Vault (Knox) design. [28] [29]

Energy efficient data centers

The OCP has published data center designs for energy efficiency. These include power distribution at 277 VAC, which eliminates one transformer stage in typical data centers, a single voltage (12.5 VDC) power supply designed to work with 277 VAC input, and 48 VDC battery backup. [12]

Open networking switches

On May 8, 2013, an effort to define an open network switch was announced. [30] The plan was to allow Facebook to load its own operating system software onto the switch. Press reports predicted that more expensive and higher-performance switches would continue to be popular, while less expensive products treated more like a commodity (using the buzzword "top-of-rack") might adopt the proposal. [31]

The first attempt at an open networking switch by Facebook was designed together with Taiwanese ODM Accton using Broadcom Trident II chip and is called Wedge, the Linux OS that it runs is called FBOSS. [32] [33] [34] Later switch contributions include "6-pack" and Wedge-100, based on Broadcom Tomahawk chips. [35] Similar switch hardware designs have been contributed by: Accton Technology Corporation (and its Edgecore Networks subsidiary), Mellanox Technologies, Interface Masters Technologies, Agema Systems. [36] Capable of running Open Network Install Environment (ONIE)-compatible network operating systems such as Cumulus Linux, Switch Light OS by Big Switch Networks, or PICOS by Pica8. [37] A similar project for a custom switch for the Google platform had been rumored, and evolved to use the OpenFlow protocol. [38] [39]

Servers

Sub-project for Mezzanine (NIC) OCP NIC 3.0 specification 1v00 was released in late 2019 establishing 3 form factors: SFF, TSFF, and LFF . [40] [41]

Litigation

In March, 2015, [42] BladeRoom Group Limited and Bripco (UK) Limited sued Facebook, Emerson Electric Co. and others alleging that Facebook has disclosed BladeRoom and Bripco's trade secrets for prefabricated data centers in the Open Compute Project. [43] Facebook petitioned for the lawsuit to be dismissed, [44] but this was rejected in 2017. [45] A confidential mid-trial settlement was agreed in April 2018. [46]

See also

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References

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