| 9569 | The Application-Layer Traffic Optimization (ALTO) Transport Information Publication Service (TIPS)K. Gao, R. Schott, Y. R. Yang, L. Delwiche, L. Keller | Proposed Standard | September 2024 |
| 9439 | Application-Layer Traffic Optimization (ALTO) Performance Cost MetricsQ. Wu, Y. Yang, Y. Lee, D. Dhody, S. Randriamasy, L. Contreras | Proposed Standard | August 2023 |
| 9275 | An Extension for Application-Layer Traffic Optimization (ALTO): Path VectorK. Gao, Y. Lee, S. Randriamasy, Y. Yang, J. Zhang | Experimental | September 2022 |
| 9274 | A Cost Mode Registry for the Application-Layer Traffic Optimization (ALTO) ProtocolM. Boucadair, Q. Wu | Proposed Standard | July 2022 |
| 9241 | Content Delivery Network Interconnection (CDNI) Footprint and Capabilities Advertisement Using Application-Layer Traffic Optimization (ALTO)J. Seedorf, Y. Yang, K. Ma, J. Peterson, J. Zhang | Proposed Standard | July 2022 |
| 9240 | An Extension for Application-Layer Traffic Optimization (ALTO): Entity Property MapsW. Roome, S. Randriamasy, Y. Yang, J. Zhang, K. Gao | Proposed Standard | July 2022 |
| 8896 | Application-Layer Traffic Optimization (ALTO) Cost CalendarS. Randriamasy, R. Yang, Q. Wu, L. Deng, N. Schwan | Proposed Standard | November 2020 |
| 8895 | Application-Layer Traffic Optimization (ALTO) Incremental Updates Using Server-Sent Events (SSE)W. Roome, Y. Yang | Proposed Standard | November 2020 |
| 8686 | Application-Layer Traffic Optimization (ALTO) Cross-Domain Server DiscoveryS. Kiesel, M. Stiemerling | Proposed Standard | February 2020 |
| 8189 | Multi-Cost Application-Layer Traffic Optimization (ALTO)S. Randriamasy, W. Roome, N. Schwan | Proposed Standard | October 2017 |
| 7971 | Application-Layer Traffic Optimization (ALTO) Deployment ConsiderationsM. Stiemerling, S. Kiesel, M. Scharf, H. Seidel, S. Previdi | Informational | October 2016 |
| 7286 | Application-Layer Traffic Optimization (ALTO) Server DiscoveryS. Kiesel, M. Stiemerling, N. Schwan, M. Scharf, H. Song | Proposed Standard | November 2014 |
| 7285 | Application-Layer Traffic Optimization (ALTO) ProtocolR. Alimi, Ed., R. Penno, Ed., Y. Yang, Ed., S. Kiesel, S. Previdi, W. Roome, S. Shalunov, R. Woundy | Proposed Standard | September 2014 |
| 6708 | Application-Layer Traffic Optimization (ALTO) RequirementsS. Kiesel, Ed., S. Previdi, M. Stiemerling, R. Woundy, Y. Yang | Informational | September 2012 |
| 5693 | Application-Layer Traffic Optimization (ALTO) Problem StatementJ. Seedorf, E. Burger | Informational | October 2009 |