The square-root safety staffing rule, which descends from Erlang C, staffs above the nominal load (arrival rate over service rate) by a safety margin proportional to the square root of the arrival rate in order to meet a delay-probability target.
Checked 2026-09-25
- Vendor
- vendor-neutral
- Product
- not restricted
- Subsystem
- agent staffing
- Deployment
- any
- Region
- not restricted
- Release range
- arXiv v3 2026-04-23
- Checked
- 2026-09-25
Sources
- Staffing under Taylor's Law: A Unifying Framework for Bridging Square-root and Linear Safety Rules — arXiv (Hong, Huang, Zhang, Zhang) · tier 4 archived vendor documentation · Section 1 Introduction; Section 2 Example 2.1
Cite this note
APA
WarmTransfer. (2026, September 25). Erlang B and Erlang C for voice and contact center sizing: source note erlang-traffic-engineering-square-root-safety. WarmTransfer. https://warmtransfer.net/knowledge/claims/erlang-traffic-engineering-square-root-safety
BibTeX
@misc{warmtransfer-claim-erlang-traffic-engineering-square-root-safety,
title = {Erlang B and Erlang C for voice and contact center sizing: source note erlang-traffic-engineering-square-root-safety},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/erlang-traffic-engineering-square-root-safety},
note = {Source note erlang-traffic-engineering-square-root-safety, checked 2026-09-25}
}