DSCCP: A Differentiated Service-based Congestion Control Protocol for Information-Centric Networking
He Bai, Hui Li, Jianming Que, Minglong Zhang, Peter Han Joo Chong · 2022 IEEE Wireless Communications and Networking Conference (WCNC) · 2022
Information-Centric Networking (ICN) has been proposed to provide a scalable and efficient content delivery solution. To support different kinds of applications in ICN, a practical congestion control mechanism should consider various traffic and the corresponding requirements of the quality of service (QoS), which is ignored by most of the existing schemes. In this paper, we propose a differentiated service-based congestion control protocol (DSCCP) for ICN. DSCCP defines the service classes of various ICN traffic and performs the class-based hop-by-hop Interest shaping at intermediate nodes. Meanwhile, it employs an explicit rate feedback mechanism to notify consumers about available network resources. It also provides feedback for the forwarding strategy of the router to adjust the forwarding probability of each interface. Additionally, a punishment tactic is used to tackle misbehaving consumers by limiting the Interest forwarding rate. The simulation results show that DSCCP can ensure the class-based bandwidth allocation among consumers with different service classes, as well as, quickly converge to a high throughput with low latency and low packet loss rate.