Deadlock-Free Message Routing in Multiprocessor Interconnection Networks
IEEE Transactions on Computers
Congestion avoidance and control
SIGCOMM '88 Symposium proceedings on Communications architectures and protocols
High-speed switch scheduling for local-area networks
ACM Transactions on Computer Systems (TOCS)
The iSLIP scheduling algorithm for input-queued switches
IEEE/ACM Transactions on Networking (TON)
HPCA '05 Proceedings of the 11th International Symposium on High-Performance Computer Architecture
Credit-based flow control for ATM networks
IEEE Network: The Magazine of Global Internetworking
A taxonomy for congestion control algorithms in packet switching networks
IEEE Network: The Magazine of Global Internetworking
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The PCI Express Advanced Switching Interconnect architecture includes status-based flow control (SBFC), a localized congestion-control mechanism that aims to alleviate the effects of transient congestion. The SBFC scheme suffices for handling persistent congestion in single-stage switch fabrics and complements traditional congestion management schemes in larger switch fabrics. There is little doubt that PCI Express is poised to succeed PCI as the next-generation chip interconnect (http://www.pcisig.com/specifications/pciexpress). Of PCI Express's many advantages, perhaps the greatest is that it addresses PCI's major inadequacies, yet enforces strict compatibility with PCI legacy systems. Consequently, the reams of software designed for PCI will operate seamlessly in a PCI Express world. To provide that degree of PCI compatibility, however, a PCI Express fabric must span a single global address space. With no notion of a system boundary, a PCI Express fabric is, by definition, a single system, within which multiple hosts cannot share a fabric. Having all communication under a single host's control makes PCI Express ill suited for multiprocessing and peer-to-peer communication.