Architectural considerations for a new generation of protocols
SIGCOMM '90 Proceedings of the ACM symposium on Communications architectures & protocols
Implementing network protocols at user level
IEEE/ACM Transactions on Networking (TON)
Virtual memory mapped network interface for the SHRIMP multicomputer
ISCA '94 Proceedings of the 21st annual international symposium on Computer architecture
U-Net: a user-level network interface for parallel and distributed computing
SOSP '95 Proceedings of the fifteenth ACM symposium on Operating systems principles
Lazy receiver processing (LRP): a network subsystem architecture for server systems
OSDI '96 Proceedings of the second USENIX symposium on Operating systems design and implementation
Effects of buffering semantics on I/O performance
OSDI '96 Proceedings of the second USENIX symposium on Operating systems design and implementation
Profiling and reducing processing overheads in TCP/IP
IEEE/ACM Transactions on Networking (TON)
Eliminating receive livelock in an interrupt-driven kernel
ACM Transactions on Computer Systems (TOCS)
Design, implementation, and evaluation of a single-copy protocol stack
Software—Practice & Experience
Experiences implementing a high performance TCP in user-space
SIGCOMM '95 Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
Soft timers: efficient microsecond software timer support for network processing
ACM Transactions on Computer Systems (TOCS)
On the effective evaluation of TCP
ACM SIGCOMM Computer Communication Review
Distributed Computing with the CLAN Network
LCN '02 Proceedings of the 27th Annual IEEE Conference on Local Computer Networks
Performance Evaluation of Copper-Based Gigabit Ethernet Interfaces
LCN '02 Proceedings of the 27th Annual IEEE Conference on Local Computer Networks
A case for virtual channel processors
NICELI '03 Proceedings of the ACM SIGCOMM workshop on Network-I/O convergence: experience, lessons, implications
Full TCP/IP for 8-bit architectures
Proceedings of the 1st international conference on Mobile systems, applications and services
ATEC '96 Proceedings of the 1996 annual conference on USENIX Annual Technical Conference
High-performance local area communication with fast sockets
ATEC '97 Proceedings of the annual conference on USENIX Annual Technical Conference
Trapeze/IP: TCP/IP at near-gigabit speeds
ATEC '99 Proceedings of the annual conference on USENIX Annual Technical Conference
Supporting Configurable Congestion Control in Data Transport Services
SC '05 Proceedings of the 2005 ACM/IEEE conference on Supercomputing
Virtualization polling engine (VPE): using dedicated CPU cores to accelerate I/O virtualization
Proceedings of the 23rd international conference on Supercomputing
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As networks and I/O systems converge and the bandwidth of networks increases, conventional approaches to networking are struggling to deliver the performance and flexibility required.CLAN (Collapsed LAN) is a high performance user-level network targeted at the server room. It supports RDMA and programmed I/O (PIO). We have implemented a set of IP based protocols at user level, and shown how true zero copy transmission (without modifying the sockets API) and reception can be achieved.In this paper we discuss the problems associated with placing protocol stacks at user level and the architectural decisions required to obtain high performance. We also introduce our work using the network gateway which connects CLAN to the Internet to assist a server cluster in protocol processing.