Broadcom Inc. Broadcom Inc. Broadcom Inc. Broadcom Inc. Arista Networks Dell EMC AliBaba Inc. AliBaba Inc. Huawei Inband Flow Analyzer (IFA) records flow specific information from an end station and/or switches across a network. This document discusses the method to collect data on a per hop basis across a network and perform localized or end to end analytics operations on the data. This document also describes a transport-agnostic header definition that may be used for tunneled and non-tunneled flows alike.