Introduction Design goals IntroductionHTTPObservabilityOperations & configurationOther protocols Deployment types Service to service plus front proxy Version history 1.13.1 (March 3, 2020)1.12.3 (March 3, 2020)1.12.1 (November 8, 2019)1.11.2 (October 8, 2019)1.11.0 (July 11, 2019)1.9.1 (Apr 2, 2019)1.8.0 (Oct 4, 2018)1.5.0 (December 4, 2017)1.3.0 (May 17, 2017)1.1.0 (November 30, 2016) Deprecated 1.13.0 (January 20, 2020)1.11.2 (October 8, 2019)1.10.0 (Apr 5, 2019)1.8.0 (Oct 4, 2018)1.6.0 (March 20, 2018)