TY  - JOUR
AB  - End-to-end performance monitoring is essential for ensuring service reliability and operational visibility in modern telecommunications networks. Traditional monitoring techniques often rely on out-of-band measurements, which provide limited visibility into real-time packet behavior across complex network infrastructures. In-band telemetry has emerged as a promising approach that enables performance information to be collected directly from packets as they traverse the network. This article presents a comprehensive survey of in-band telemetry techniques and evaluates their applicability to end-to-end performance monitoring in broadband networks. The survey first examines header stamping approaches, including mechanisms such as In-band Network Telemetry (INT), In-situ Operations, Administration, and Maintenance (IOAM), and related implementations. It then reviews packet marking and selective sampling techniques that aim to reduce measurement overhead while maintaining monitoring accuracy. Hybrid approaches that combine multiple telemetry mechanisms are also discussed. Building on this taxonomy, the paper analyzes the feasibility of deploying in-band telemetry across multi-segment telecommunications environments using broadband services as a representative use case. The analysis highlights several limitations in current mechanisms, including the absence of standardized Layer-2 telemetry support, the assumption of single-domain deployment, and the lack of mechanisms for sharing telemetry information across adjacent network segments. Finally, the paper identifies key open challenges and research directions required to enable scalable, interoperable, and operationally viable end-to-end telemetry solutions for future broadband networks.
AU  - Altaf, T
AU  - Abolhasan, M
AU  - Owen, R
AU  - Barton, I
AU  - Guruge, T
AU  - Franklin, DR
DA  - 2026/01/01
DO  - 10.1109/ACCESS.2026.3693197
EP  - 75734
JO  - IEEE Access
PB  - IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PY  - 2026/01/01
SP  - 75719
TI  - In-Band Network Telemetry for End-to-End Service Performance Monitoring in Broadband Networks: A Survey and Deployment Feasibility Analysis
VL  - 14
Y1  - 2026/01/01
Y2  - 2026/06/27
ER  -