D. Ely, S. Savage, and D. Wetherall, "Alpine: A User-Level infrastructure for network protocol development," in In Proceedings of the 3rd USENIX Symposium on Internet Technologies and Systems, 2001, pp. 171--184.  Home/Search   Document Details and Download   Summary   Related Articles   Check

....transport layer protocol functions in an application specific fashion [6] With TESLA, our goal is to bring some of the power of these systems to commodity operating systems in the context of session layer services. In contrast to highly platform dependent systems such as U Net [26] and Alpine [11], TESLA does not attempt to allow users to replace or modify the system s network stack. Instead, it focuses on allowing users to dynamically extend the protocol suite by dynamically composing additional end to end session layer protocols on top of the existing transport and network layer ....

ELY, D., SAVAGE , S., AND WETHERALL, D. Alpine: A user-level infrastructure for network protocol development. In Proc. 3rd USITS (Mar. 2001), pp. 171--183.

....reducing virtualization overhead. of the Denali virtual architecture. Among the abstractions provided by Ilwaco are a TCP IP stack, a threads package, a subset of the libc library, and the BSD sockets interface. The Ilwaco TCP IP stack is a port of the Alpine user level TCP IP infrastructure [16]. Alpine consists of the FreeBSD 3.3 stack and a support library that emulates the BSD kernel environment. We modified the support library to use Denali s interrupt and timer models, and linked the stack against a device driver for the Denali virtual NIC. Ilwaco contains a threads package that ....

D. Ely, S. Savage, and D. Wetherall. Alpine: A user-level infrastructure for network protocol development. In Proceedings of the Third USENIX Symposium on Internet Technologies and Systems (USITS '01), March, 2001.

....guest operating system which presents customary high level abstractions. Ilwaco is implemented as a library, in much the same fashion as a Exokernel libOS. Applications directly link against the OS; there is no hardware enforced protection boundary. Ilwaco contains the Alpine user level TCP stack [12], a port of the FreeBSD 3.3 stack. We modi ed Alpine to utilize Denali s virtual interrupt and timer mechanisms, and linked the stack against a device driver for the Denali virtual Ethernet NIC. Ilwaco contains a thread package that supports typical thread primitives, locks, and condition ....

D. Ely, S. Savage, and D. Wetherall. Alpine: A userlevel infrastructure for network protocol development. In Proceedings of the Third USENIX Symposium on Internet Technologies and Systems (USITS '01), March, 2001.

....on x86 hardware. Our implementation borrows device drivers and low level support from the Flux OSKit [9] However, the core of the kernel (scheduling, virtual device emulation, and paging) is entirely new. We have also constructed a prototype guest OS that contains a port of the BSD TCP IP stack [7], full threading support, and a subset of the Posix API. We are currently investigating appropriate stable storage abstractions for our guest OS. Our initial evaluation (on a 1.5 GHz Pentium IV uniprocessor with 1 GB RAM) has focused on networking applications, and has been very encouraging. A ....

D. Ely, S. Savage, and D. Wetherall. Alpine: A user-level infrastructure for network protocol development. In Proceedings of the Third USENIX Symposium on Internet Technologies and Systems (USITS '01), March, 2001.

....systems in the context of session layer services. Several other projects have explored user level networking in the context of traditional operating systems. U Net [35] provides direct, user level access to the network interface and an infrastructure to implement user level network stacks. Alpine [13] virtualizes much of the FreeBSD network stack, moving it to the user level, although it is highly platform dependent and intended mostly for debugging networking modules which are to be moved to the kernel. In contrast to these systems, Tesla does not attempt to allow users to replace or modify ....

David Ely, Stefan Savage, and David Wetherall. Alpine: A user-level infrastructure for network protocol development. In Proc. 3rd USENIX Symposium on Internet Technologies and Systems, pages 171-183, March 2001.

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D. Ely, S. Savage, and D. Wetherall, "Alpine: A User-Level infrastructure for network protocol development," in In Proceedings of the 3rd USENIX Symposium on Internet Technologies and Systems, 2001, pp. 171--184.

No context found.

D. Ely, S. Savage, and D. Wetherall. Alpine: A userlevel infrastructure for network protocol development. In Proceedings of the Third USENIX Symposium on Internet Technologies and Systems (USITS '01), March, 2001.

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D. Ely, S. Savage, and D. Wetherall: "Alpine: A user-level infrastructure for network protocol development". In Proc. 3rd USENIX Symposium on Internet Technologies and Systems, pages 171-183, March 2001.

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D. Ely, S. Savage, and D. Wetherall. Alpine: A User-Level Infrastructure for Network Protocol Development. In Proceedings of the 3rd USENIX Symposium on Internet Technologies and Systems (USITS '01), pages 171--184, San Francisco, California, March 2001.

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D. Ely, S. Savage, and D. Wetherall, "Alpine: A User-Level Infrastructure for Network Protocol Development," in Proc. of the the 2001 USENIX Symposium on Internet Technologies and Systems (USITS 2001), March 2001.

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