IS-IS VS Precision Time Protocol
As of 30 October 2026, Precision Time Protocol is named by 153 companies and IS-IS by 110; IS-IS skews to companies under 200 people (40% vs 36%), Precision Time Protocol to companies over 1,000 (39% vs 41%).
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: IS-IS's script and mail records show on hundreds of thousands of small sites, Precision Time Protocol rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- IS-IS: 2–200 employees
- 40%
- Precision Time Protocol: 2–200 employees
- 36%
- IS-IS: 1,000+ employees
- 41%
- Precision Time Protocol: 1,000+ employees
- 39%
- Postings per company, 90 days
- 3.7 · 5.7
- 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 | IS-IS | share | Precision Time Protocol | share | Leans |
|---|---|---|---|---|---|
| 2-10 employees | 5 | 5% | 10 | 7% | even |
| 11-50 employees | 12 | 11% | 19 | 12% | even |
| 51-200 employees | 27 | 25% | 26 | 17% | IS-IS |
| 201-500 employees | 13 | 12% | 25 | 16% | Precision Time Protocol |
| 501-1000 employees | 8 | 7% | 12 | 8% | even |
| 1001-5000 employees | 19 | 17% | 23 | 15% | IS-IS |
| 5001-10000 employees | 7 | 6% | 10 | 7% | even |
| 10,001+ employees | 19 | 17% | 27 | 18% | even |
| Self-employed | – | – | 1 | 1% | outside top 12 |
| Segment | IS-IS | share | Precision Time Protocol | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 56 | 51% | 39 | 25% | IS-IS |
| Utilities & infrastructure | 27 | 25% | 17 | 11% | IS-IS |
| Manufacturing & industry | 6 | 5% | 42 | 27% | Precision Time Protocol |
| Media & content | 6 | 5% | 3 | 2% | IS-IS |
| Business & finance services | 5 | 5% | 25 | 16% | Precision Time Protocol |
| Public, community & associations | 3 | 3% | 2 | 1% | even |
| Property & construction | 3 | 3% | 2 | 1% | even |
| Automotive | 1 | 1% | 3 | 2% | even |
| Consumer services & leisure | 1 | 1% | 9 | 6% | Precision Time Protocol |
| Health care | 1 | 1% | 2 | 1% | even |
| Transport, logistics & rental | 1 | 1% | 6 | 4% | Precision Time Protocol |
| Commerce & trade | – | – | 3 | 2% | outside top 12 |
| Segment | IS-IS | share | Precision Time Protocol | share | Leans |
|---|---|---|---|---|---|
| United States | 64 | 58% | 96 | 63% | Precision Time Protocol |
| United Kingdom | 10 | 9% | 13 | 8% | even |
| Germany | 7 | 6% | 8 | 5% | even |
| France | 7 | 6% | 3 | 2% | IS-IS |
| Italy | 3 | 3% | – | – | outside top 12 |
| Belgium | 2 | 2% | 1 | 1% | even |
| Brazil | 2 | 2% | – | – | outside top 12 |
| Switzerland | 2 | 2% | – | – | outside top 12 |
| Czechia | 2 | 2% | – | – | outside top 12 |
| Norway | 2 | 2% | 3 | 2% | even |
| Australia | 1 | 1% | 2 | 1% | even |
| China | 1 | 1% | – | – | outside top 12 |
| Canada | – | – | 7 | 5% | outside top 12 |
| Poland | – | – | 3 | 2% | outside top 12 |
| India | – | – | 2 | 1% | outside top 12 |
| Singapore | – | – | 2 | 1% | outside top 12 |
| Austria | – | – | 1 | 1% | outside top 12 |
| Segment | IS-IS | share | Precision Time Protocol | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 291 | 55% | 295 | 30% | IS-IS |
| Software engineering | 60 | 11% | 290 | 29% | Precision Time Protocol |
| Sales | 26 | 5% | 16 | 2% | IS-IS |
| Engineering (non-software) | 19 | 4% | 101 | 10% | Precision Time Protocol |
| Skilled trades and field service | 10 | 2% | 5 | 1% | even |
| Customer service & success | 9 | 2% | – | – | outside top 12 |
| Construction and civil | 5 | 1% | – | – | outside top 12 |
| Product, program & project management | 5 | 1% | 32 | 3% | Precision Time Protocol |
| Manufacturing and production | 4 | 1% | – | – | outside top 12 |
| Facilities cleaning and security | 2 | 0% | – | – | outside top 12 |
| Administration & office | 1 | 0% | – | – | outside top 12 |
| Healthcare support and caregiving | 1 | 0% | – | – | outside top 12 |
| Data & AI | – | – | 91 | 9% | outside top 12 |
| General management & consulting | – | – | 18 | 2% | outside top 12 |
| Finance & accounting | – | – | 13 | 1% | outside top 12 |
| Logistics warehouse and transport | – | – | 13 | 1% | outside top 12 |
| Arts media and entertainment | – | – | 7 | 1% | outside top 12 |
| Business development & strategy | – | – | 4 | 0% | outside top 12 |
The companies behind each column
Companies using IS-IS →
Companies using Precision Time Protocol →
network protocols ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Precision Time Protocol is named by 153 companies in job postings and IS-IS by 110; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/is-is-vs-precision-time-protocol)
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.
IS-IS vs Precision Time Protocol: questions
Which is more used, IS-IS or Precision Time Protocol?
By companies naming it in their own job postings, Precision Time Protocol (153) over IS-IS (110). By website-and-DNS footprint, Precision Time Protocol (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses IS-IS?
40% of IS-IS companies have 2 to 200 employees, against 36% for Precision Time Protocol. 41% of IS-IS companies have over 1,000 employees, against 39% for Precision Time Protocol.
Do companies run both?
0 companies name both in their postings, usually IS-IS in marketing and Precision Time Protocol 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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