DDS (Data Distribution Service) VS I2C
As of 30 October 2026, I2C is named by 1,146 companies and DDS (Data Distribution Service) by 194; DDS (Data Distribution Service) skews to companies under 200 people (46% vs 53%), I2C to companies over 1,000 (24% vs 29%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: DDS (Data Distribution Service)'s script and mail records show on hundreds of thousands of small sites, I2C rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- DDS (Data Distribution Service): 2–200 employees
- 46%
- I2C: 2–200 employees
- 53%
- DDS (Data Distribution Service): 1,000+ employees
- 29%
- I2C: 1,000+ employees
- 24%
- Postings per company, 90 days
- 2.8 · 3.6
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | DDS (Data Distribution Service) | share | I2C | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 1% | 11 | 1% | even |
| 2-10 employees | 26 | 13% | 120 | 10% | DDS (Data Distribution Service) |
| 11-50 employees | 26 | 13% | 210 | 18% | I2C |
| 51-200 employees | 38 | 20% | 277 | 24% | I2C |
| 201-500 employees | 23 | 12% | 167 | 15% | I2C |
| 501-1000 employees | 23 | 12% | 81 | 7% | DDS (Data Distribution Service) |
| 1001-5000 employees | 21 | 11% | 129 | 11% | even |
| 5001-10000 employees | 5 | 3% | 43 | 4% | even |
| 10,001+ employees | 30 | 15% | 108 | 9% | DDS (Data Distribution Service) |
| Segment | DDS (Data Distribution Service) | share | I2C | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 74 | 38% | 570 | 50% | I2C |
| Technology & software | 41 | 21% | 265 | 23% | even |
| Business & finance services | 19 | 10% | 110 | 10% | even |
| Automotive | 12 | 6% | 39 | 3% | DDS (Data Distribution Service) |
| Property & construction | 11 | 6% | 15 | 1% | DDS (Data Distribution Service) |
| Public, community & associations | 7 | 4% | 22 | 2% | even |
| Transport, logistics & rental | 7 | 4% | 13 | 1% | DDS (Data Distribution Service) |
| Utilities & infrastructure | 7 | 4% | 28 | 2% | even |
| Commerce & trade | 6 | 3% | 38 | 3% | even |
| Media & content | 4 | 2% | 14 | 1% | even |
| Health care | 3 | 2% | 9 | 1% | even |
| Consumer services & leisure | 2 | 1% | 18 | 2% | even |
| Segment | DDS (Data Distribution Service) | share | I2C | share | Leans |
|---|---|---|---|---|---|
| United States | 129 | 66% | 700 | 61% | DDS (Data Distribution Service) |
| Germany | 23 | 12% | 70 | 6% | DDS (Data Distribution Service) |
| United Kingdom | 8 | 4% | 63 | 5% | even |
| France | 5 | 3% | 33 | 3% | even |
| Switzerland | 3 | 2% | – | – | outside top 12 |
| India | 3 | 2% | 36 | 3% | even |
| Canada | 2 | 1% | 30 | 3% | even |
| Spain | 2 | 1% | 13 | 1% | even |
| Netherlands | 2 | 1% | 18 | 2% | even |
| Norway | 2 | 1% | – | – | outside top 12 |
| Singapore | 2 | 1% | – | – | outside top 12 |
| United Arab Emirates | 1 | 1% | – | – | outside top 12 |
| Sweden | – | – | 16 | 1% | outside top 12 |
| Italy | – | – | 15 | 1% | outside top 12 |
| Poland | – | – | 12 | 1% | outside top 12 |
| Australia | – | – | 11 | 1% | outside top 12 |
| Segment | DDS (Data Distribution Service) | share | I2C | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 317 | 41% | 2,655 | 46% | I2C |
| Engineering (non-software) | 170 | 22% | 2,315 | 40% | I2C |
| Marketing & communications | 23 | 3% | – | – | outside top 12 |
| IT operations & business systems | 22 | 3% | 112 | 2% | even |
| Data & AI | 17 | 2% | 17 | 0% | even |
| Finance & accounting | 14 | 2% | 10 | 0% | even |
| Quality, safety & environment | 11 | 1% | 34 | 1% | even |
| Sales | 11 | 1% | 48 | 1% | even |
| Product, program & project management | 10 | 1% | 11 | 0% | even |
| Construction and civil | 6 | 1% | – | – | outside top 12 |
| Skilled trades and field service | 6 | 1% | 13 | 0% | even |
| Design & UX | 4 | 1% | 15 | 0% | even |
| Customer service & success | – | – | 6 | 0% | outside top 12 |
| Unclassified | – | – | 4 | 0% | outside top 12 |
The companies behind each column
Companies using DDS (Data Distribution Service) →
Companies using I2C →
iot platforms protocols ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
I2C is named by 1,146 companies in job postings and DDS (Data Distribution Service) by 194; 24 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/dds-vs-i2c)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
DDS (Data Distribution Service) vs I2C: questions
Which is more used, DDS (Data Distribution Service) or I2C?
By companies naming it in their own job postings, I2C (1,146) over DDS (Data Distribution Service) (194). By website-and-DNS footprint, I2C (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses DDS (Data Distribution Service)?
46% of DDS (Data Distribution Service) companies have 2 to 200 employees, against 53% for I2C. 29% of DDS (Data Distribution Service) companies have over 1,000 employees, against 24% for I2C.
Do companies run both?
24 companies name both in their postings, usually DDS (Data Distribution Service) in marketing and I2C in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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