Supporting Differentiated Services in Computers via Programmable Architecture for Resourcing-on-Demand (PARD)

This paper presents PARD, a programmable architecture for resourcing-on-demand that provides a new programming interface to convey an application’s high-level information like quality-ofservice requirements to the hardware. PARD enables new functionalities like fully hardware-supported virtualization and differentiated services in computers. PARD is inspired by the observation that a computer is inherently a network in which hardware components communicate via packets (e.g., over the NoC or PCIe). We apply principles of software-defined networking to this intra-computer network and address three major challenges. First, to deal with the semantic gap between high-level applications and underlying hardware packets, PARD attaches a high-level semantic tag (e.g., a virtual machine or thread ID) to each memory-access, I/O, or interrupt packet. Second, to make hardware components more manageable, PARD implements programmable control planes that can be integrated into various shared resou...

• Type: Journal
• Year: 2015
• Where: ASPLOS
• Authors: Jiuyue Ma, Xiufeng Sui, Ninghui Sun, Yupeng Li, Zihao Yu, Bowen Huang, Tianni Xu, Zhicheng Yao, Yun Chen, Haibin Wang, Lixin Zhang, Yungang Bao
• Keywords: ASPLOS 2015, Programming Languages