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Vendor lineage

Equinix

Two facilities managers left DEC because the telcos were refereeing a game they were playing in.

Equinix was incorporated on 22 June 1998 by Al Avery and Jay Adelson, two facilities managers from Digital Equipment Corporation who had built and run PAIX, the Palo Alto Internet Exchange, which DEC owned. It was briefly called Quark Communications. The name it settled on is an argument compressed into eight letters: EQUality, Neutrality, Internet eXchange.

The problem they left to solve is specific and still worth understanding. Networks have to meet somewhere to exchange traffic. In the 1990s the places they met were largely owned by telecommunications carriers, who were also participants - and a referee who is playing in the game will favour his own traffic, whether by design or by the ordinary gravity of self-interest. Congestion at those exchange points was not only a capacity problem; it was a governance problem.

The answer was a building owned by somebody with no network of their own. If the landlord sells no transit, has no traffic to prioritise and competes with none of the tenants, then rival carriers can meet inside without either of them conceding anything. Neutrality here is not a virtue the company advertises. It is the product.

PAIX itself deserves a line, because it is where the idea was proven. It began operating in 1996 under DEC, and in its earliest days the interconnection fabric was a DELNI - Digital's own Ethernet concentrator, a box designed for office networks, pressed into service as the meeting point for the commercial internet. Adelson worked there alongside Stephen Stuart and Paul Vixie, whose name is on BIND and therefore on most of the DNS this site's tools take apart.

The funding tells you who agreed with the thesis: a $12M round led by Benchmark Capital, with Cisco and Microsoft as strategic investors - a network vendor and a software company, neither of which sells transit, both of which benefit from an internet that interconnects cleanly.

The business model insight came slightly later and is the more valuable one. They began by selling floor space, power and cooling. What they discovered was that the money and the durability were in the cross-connect - the physical cable between two tenants. A customer chooses a building because of who is already inside it, and every new tenant makes the building more valuable to the next. That is a network effect expressed in concrete and copper, and it is why colocation consolidated into a handful of operators rather than staying a commodity property business.

And then a loop. Equinix acquired Switch and Data in 2010, and Switch and Data owned PAIX. The founders had left DEC to build a neutral exchange because the one they ran was not theirs; twelve years later their company bought it.

Read beside four other entries here, the pattern is hard to miss. CompTIA's value rests on belonging to no vendor, and whether that survives private equity is unresolved. Kyndryl's advice became worth more the moment IBM stopped owning it. FreeRADIUS stayed open and became the thing everyone builds against. Equinix went furthest: it did not merely benefit from neutrality, it discovered that neutrality could be sold by the square foot.

Founding stories

1996

PAIX, the Palo Alto Internet Exchange

Palo Alto, California · Founders: Digital Equipment Corporation

Built and run inside DEC, and the place where the idea was proven before there was a company to sell it. An exchange operated by a party with no network of its own turned out to be a different product from an exchange operated by a carrier, because the operator had nothing to gain from how the traffic flowed.

1998

Equinix

Redwood City, California · Founders: Al Avery, Jay Adelson

Incorporated on 22 June by the two DEC facilities managers who had run PAIX. The thesis was that the buildings where networks meet should be owned by somebody who sells no transit, carries no traffic and competes with none of the tenants. Benchmark Capital led a $12M round with Cisco and Microsoft as strategic investors, which is a fair indication of who found the argument persuasive.

The timeline

  1. PAIX begins operating

    Inside DEC, as the proof that a neutral exchange behaves differently from a carrier-run one.

  2. Equinix incorporated

    22 June, by Al Avery and Jay Adelson, to build neutral exchange points as a business rather than a research facility.

  3. NASDAQ listing

    Listed in August, months before the collapse that removed most of its contemporaries.

  4. Switch and Data, and PAIX comes home

    The acquisition brought Switch and Data's facilities, and with them PAIX itself.

  5. Conversion to a real estate investment trust

    A structural decision with behavioural consequences: a REIT must distribute the large majority of its taxable income, which pushes a business toward predictable recurring revenue and long contracts rather than growth at any cost.

  6. Interconnection at scale, and the hyperscale question

    More than 499,000 interconnections deployed, with interconnection revenue of $422M in the third quarter alone. Meanwhile 56 major projects were under way across 33 metros, twelve of them xScale hyperscale builds funded through joint ventures with institutional investors.

    Q3 2025 results and Q1 2025 project disclosure; counts move quarter to quarter.

Flagship products and solutions

  • IBX colocationThe International Business Exchange: cabinet or cage space, power circuits and physical security, sold on long recurring contracts. The floor space is the entry point rather than the product.
  • Cross-connectsA dedicated fibre run between two customers inside the same building. The highest-margin line in the business, and the one a competitor cannot replicate without first assembling the same set of tenants.
  • Equinix FabricSoftware-defined connections between parties and between metros, extending the cross-connect idea beyond the walls of one facility. Bookings grew 57% year over year in 2025.
  • Cloud on-rampsDirect private connections into the major cloud providers, positioned as a market-share measure in its own right: how many of the on-ramps in a given metro land in your building.
  • xScalePurpose-built hyperscale campuses for the largest cloud operators, funded through joint ventures rather than the balance sheet - a different customer, a different economics, and a deliberate separation from the interconnection business.

Key innovations

  • Neutrality as a physical property, not a policyThe landlord owns no network, sells no transit and carries no traffic. That is not a commitment that can be revised by a future management: it is a description of what the company does not own, which is why tenants who compete with each other will share a floor.
  • The network effect that cannot be boughtA building becomes valuable in proportion to who is already in it, and each new tenant makes it more valuable to the next. Nearly half a million interconnections is not a feature list - it is the reason a competitor with identical buildings and lower prices still loses the deal.
  • Selling the connection rather than the floorInterconnection is roughly a fifth of revenue at a much higher margin than colocation, and growing faster. The business that looks like real estate is substantially a connectivity business operating inside real estate.
  • The REIT structure as strategyConverting in 2015 committed the company to distributing most of its income, which suits an asset base with twenty-year lives and contracted revenue. It also constrains how fast it can chase a market - which is a discipline in a sector where overbuilding has killed competitors before.

Main markets

Around 260 facilities across roughly 70 metros in 33 countries, serving more than 10,000 customers - cloud and hyperscale providers, carriers, content networks, and enterprises running hybrid architectures that need to touch several clouds without crossing the public internet to do it. Reported revenue was approximately $8.3B to $8.8B for 2024 with 2025 guided toward $9.2B.

Recent expansion has been into markets without established interconnection density - Johannesburg, Kuala Lumpur, Chennai - where the proposition is to become the meeting point before anybody else does, which is the same play as the original one and depends on arriving first.

Analyst standing

  • Consistently ranked at the top of data centre and colocation provider assessments, with the distinguishing metric being interconnection density rather than floor area or power capacity.
  • The structural question the analysts return to is whether the largest customers eventually build their own. Hyperscalers taking capacity in-house would remove the biggest tenants from the neutral model, and the xScale joint ventures are in part an answer to that: serve the hyperscale build rather than compete with it.
  • Around 94% of revenue is recurring and roughly 92% comes from existing customers, which is what a business built on switching costs looks like on a financial statement.
Equinix ↗
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