Tiny Tera: A Packet Switch Core
IEEE Micro
Symmetric Crossbar Arbiters for VLSI Communication Switches
IEEE Transactions on Parallel and Distributed Systems
Microarchitecture of a High-Radix Router
Proceedings of the 32nd annual international symposium on Computer Architecture
The BlackWidow High-Radix Clos Network
Proceedings of the 33rd annual international symposium on Computer Architecture
Towards an efficient switch architecture for high-radix switches
Proceedings of the 2006 ACM/IEEE symposium on Architecture for networking and communications systems
Low-latency scheduling in large switches
Proceedings of the 3rd ACM/IEEE Symposium on Architecture for networking and communications systems
Scalable alternatives to virtual output queuing
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
The Journal of Supercomputing
Scalable high-radix router microarchitecture using a network switch organization
ACM Transactions on Architecture and Code Optimization (TACO)
| Hi-index | 0.00 |
We describe a novel way to implement high-radix crossbar switches. Our work is enabled by a new chip interconnect technology called Proximity Communication (PxC) that offers unparalleled chip IO density. First, we show how a crossbar architecture is topologically mapped onto a PxC-enabled multi-chip module (MCM). Then, we describe a first prototype implementation of a small-scale switch based on a PxC MCM. Finally, we present a performance analysis of two large-scale switch configurations with 288 ports and 1,728 ports, respectively, contrasting a 1-stage PxC-enabled switch and a multi-stage switch using conventional technology. Our simulation results show that (a) arbitration delays in a large 1-stage switch can be considerable, (b) multi-stage switches are extremely susceptible to saturation under non-uniform traffic, a problem that becomes worse for higher radices (1-stage switches, in contrast, are not affected by this problem).