Beyond socket options: Towards fully extensible Linux transport stacks

Tran, Viet-Hoang; Bonaventure, Olivier

doi:10.1016/j.comcom.2020.07.036

Cited by 7 publications

(1 citation statement)

References 15 publications

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“…Recent work on restructuring congestion control has proposed a generic architecture for congestion controllers [69]. Linux kernel developers have relied on eBPF to make the Linux TCP/IP stack easier to extend [15,100]. Since Linux kernel version 5.6, an application can attach congestion control schemes entirely implemented in eBPF.…”

Section: Ebpf Code Remote Attachmentmentioning

confidence: 99%

TCPLS

Rochet

Assogba

Piraux

et al. 2021

Proceedings of the 17th International Conference on Emerging Networking EXperiments and Technologies

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TCP and TLS are among the essential protocols in today's Internet. TCP ensures reliable data delivery while TLS secures the data transfer. Although they are very often used together, they have been designed independently following the Internet layered model. This paper demonstrates the various benefits that a closer integration between TCP and TLS would bring.By leveraging the extensible TLS 1.3 records, we combine TCP and TLS into TCPLS to build modern transport services such as multiplexing, connection migration, stream steering, and bandwidth aggregation. These services do not modify the TCP wire format and are resistant to middleboxes. TCPLS offers a powerful API enabling applications to precisely express the required transport services, ranging from a single-path single-stream connection to a multistream connection over several network paths, enabling choices between aggregated bandwidth and head-of-line blocking avoidance.Compared to MPTCP, our TCPLS prototype offers more control to the application and can be easily deployed as an extension to user-space TLS libraries, while being implemented at a low cost. Measurements demonstrate that it offers higher performance than existing QUIC libraries with a super set of transport services. CCS CONCEPTS• Networks → Transport protocols; Network protocol design.

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Section: Ebpf Code Remote Attachmentmentioning

confidence: 99%