# Recommendation X.135 (11/1988): Speed of service (delay and throughput) performance values for public data networks when providing international packet-switched services

> superseded recommendation/international standard from the International Telecommunication Union

**Wikidata**: [Q27051503](https://www.wikidata.org/wiki/Q27051503)  
**Source**: https://4ort.xyz/entity/recommendation-x-135-11-1988-speed-of-service-delay-and-throughput-performance-values-for-public-data-networks-when-providing-international-packet-switched-services