--- title: Perseus Clocks Sub-Nanosecond UTC Timescale in Equinix’s London Slough Campus description: Perseus Clocks Sub-Nanosecond UTC Timescale in Equinix’s London Slough Campus --- ![websites-group](https://articles.marketsmedia.com/hubfs/raw_assets/public/MarketsMedia_August2021/images/new-MMG-01.svg) [![](https://articles.marketsmedia.com/hubfs/raw_assets/public/MarketsMedia_August2021/images/dropdown-new-marketsmedia-logo.svg)](https://www.marketsmedia.com/) [![](https://articles.marketsmedia.com/hubfs/raw_assets/public/MarketsMedia_August2021/images/dropdown-menu-traders-redlogo.svg)](https://www.tradersmagazine.com/) [![](https://articles.marketsmedia.com/hubfs/raw_assets/public/MarketsMedia_August2021/images/dropdown-menu-bestexe-logo.svg)](https://www.bestexecution.net/) [![](https://articles.marketsmedia.com/hubfs/raw_assets/public/MarketsMedia_August2021/images/dropdown-menu-fidesk-logo.svg)](https://www.fixglobal.com/) [![](https://articles.marketsmedia.com/hubfs/raw_assets/public/MarketsMedia_August2021/images/dropdown-fixglobal-new-logo.svg)](https://www.fixglobal.com/) - [*Facebook*](https://www.facebook.com/MarketsMedia/) - [*Twitter*](https://twitter.com/marketsmedia) - [*Linkedin*](https://www.linkedin.com/company/markets-media-llc) - [Newsletter](https://articles.marketsmedia.com/perseus-clocks-sub-nanosecond-utc-timescale-in-equinixs-london-slough-campus#popup-newsletter) #### Want the latest news on securities markets -- FREE? 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Regulatory mandates and technological efficiencies continue to drive the need for more transparency in low latency high speed trading. This has pushed firms to move low latency policies deeper through the stack from the wire to the chipset, garnering the need to ingest provable time more accurately. Widespread deployment of time platforms use a combination of GPS time data and NTP ([Network Time Protocol](http://www.ntp.org/)) for the delivery of time, where both are proving less reliable with high latency time synchronization despite the growth of market data and faster processing speeds across financial markets. The Perseus time service utilizes 1 PPS ([Pulse Per Second](http://en.wikipedia.org/wiki/Pulse_per_second)), an electrical signal Perseus uses to condition a customer server clock with the highest precision time data delivery backed by a Perseus SLA of less than one nanosecond. Other Perseus technologies such as fiber-optic and wireless connectivity with proximity colocation, all contribute to condition local grandmaster atomic clocks that feed time at electrical pulse speeds to customer trading systems and applications. [Stewart Orrell](http://www.linkedin.com/profile/view?id=4848395&authType=NAME_SEARCH&authToken=T0T7&locale=en_US&srchid=205207331372701340596&srchindex=1&srchtotal=3&trk=vsrp_people_res_name&trkInfo=VSRPsearchId%3A205207331372701340596%2CVSRPtargetId%3A4848395%2CVSRPcmpt%3Aprimary), Managing Director, Global Capital Markets at Equinix commented, "We are very pleased to have Perseus provide new critical infrastructure for certifiable time data across the Equinix ecosystem both in the US and now in Europe. Having financial firms able to reference UTC time data across existing trading ecosystems helps meet client requirements as they communicate and trade from market to market." The atomic clock installation at the [Equinix LD4](http://www.equinix.com/locations/emea/uk/london-data-centres) datacenter was built to serve local and international broker dealers and the buy-sides such as High Frequency Trading firms. This new environment allows participants to interoperate their extremely fast market data, algorithmic and order execution servers in a colocated LAN environment a few feet from the Perseus atomic clocks and the markets of the Aquis Exchange, BATS-Chi-X, BOAT, ICAP EBS, Nasdaq OMX NLX, Turquoise and the London Metal Exchange (LME). [Andrew Kusminsky](http://perseustelecom.com/about-us/management-team/)**, Chief Operating and Strategy Officer at Perseus said, “Rolling out High Precision Time™ in Equinix datacenters is one of our key strategies to help our financial customers performing at the lowest latency speeds in global markets. The Perseus precision time services help to mitigate risk, meet new stringent financial compliance guidelines, and ensure HFT systems are consistently accurate as they trade over our ultra low-latency networks including QuanTA, LiquidPath® and wireless/microwave.”** # # # **About Perseus Telecom** Perseus Telecom is an award winning global, facilities based licensed carrier of enterprise and telecommunications services with a focus on ultra-low latency connectivity. Perseus provides the fastest recognized routes between the New York and Brazil exchange markets, was recently awarded for QuanTA the fastest trans-Atlantic route between New York and London and also operates the fastest route between London and Frankfurt over its high-tech wireless/microwave service. Perseus connects the globe with significant points of presence New York, Chicago, Sao Paulo, Mexico, London, Frankfurt, Stockholm, Moscow, Madrid, Tokyo, Singapore, Sydney and Hong Kong. For more information about Perseus, please visit [www.perseustelecom.com](http://www.perseustelecom.com) or contact us at +1 (212) 300-6813 or [sales@perseustelecom.com](mailto:sales@perseustelecom.com). PRESS CONTACT: Dan Watkins +1(347) 394-3068 [marketing@perseustelecom.com](mailto:marketing@perseustelecom.com) [Share](https://www.facebook.com/share.php?u=https://articles.marketsmedia.com/perseus-clocks-sub-nanosecond-utc-timescale-in-equinixs-london-slough-campus) [Tweet](https://twitter.com/intent/tweet?text=US+ETFs+Have+Record+Net+Inflows&url=https://articles.marketsmedia.com/perseus-clocks-sub-nanosecond-utc-timescale-in-equinixs-london-slough-campus) [Share](https://www.linkedin.com/cws/share?url=https://articles.marketsmedia.com/perseus-clocks-sub-nanosecond-utc-timescale-in-equinixs-london-slough-campus) ![email](https://articles.marketsmedia.com/hubfs/Markets%20Media/email.svg) ### NEWSLETTER SIGN UP And receive exclusive articles on securities markets ### Related articles 1. 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