Performance: the path taken by data from a source device (i.e. a disk) to a destination device (i.e. a NIC). Proper asynchronous zero-copy interfaces would make this available from user-space.
High-Performance Memory-Based Web Servers: Kernel and User-Space Performance. Philippe Joubert, Robert B. King, Rich Neves, Mark Russinovich, John M. Tracey. IBM. T. J. Watson Research Center
January 01, 1970
kernel, server, kernel, server, unlimited, http, server, that, runs, kernel, space, equivalent, also, known, accelerator, contents, benefits, drawbacks, implementations, also, referencesbenefits, editperformance, path, taken, data, from, source, device, disk, . An in kernel web server is an unlimited HTTP server that runs in kernel space or equivalent It is also known as accelerator Contents 1 Benefits 2 Drawbacks 3 Implementations 4 See also 5 ReferencesBenefits editPerformance the path taken by data from a source device i e a disk to a destination device i e a NIC Proper asynchronous zero copy interfaces would make this available from user space Scalability with respect to number of simultaneous clients Event notification of comparable scalability seems unlikely in user space1 Drawbacks editSecurity Kernel processes run with unlimited privileges Portability Every kernel needs a specific implementation route Reliability Failure in the webserver may crash the OS Implementations editillumos Solaris NCAkmod aka Network Cache and Accelerator NCA kernel module HP UX NSAhttp NSA is an acronym for Network Server Accelerator Linux TUX Mesibo In kernel real time messaging server Windows NT http sys part of IIS SPIN http OpenVMS WASD trapSee also editComparison of web server software Service oriented architecture Unikernel Exokernel eg SPIN s loadable kernel modules References edit 1 CITI TR 00 4 High Performance Memory Based Web Servers Kernel and User Space Performance Philippe Joubert Robert B King Rich Neves Mark Russinovich John M Tracey IBM T J Watson Research Center Retrieved from https en wikipedia org w index php title In kernel web server amp oldid 1193606917, wikipedia, wiki, book, books, library,
