WorldCat Identities

Mills, David L.

Works: 31 works in 85 publications in 1 language and 709 library holdings
Genres: Conference papers and proceedings 
Roles: Author, Conductor
Publication Timeline
Most widely held works by David L Mills
Computer network time synchronization : the Network Time Protocol by David L Mills( )

29 editions published between 2005 and 2017 in English and held by 489 WorldCat member libraries worldwide

"Opening the door to highly precise time synchronization in both public and private networks, Computer Network Time Synchronization offers in-depth analysis, theory, and practical concerns in a unified and authoritative reference."--Jacket
Highball : a high speed, reserved-access, wide area network( Book )

2 editions published between 1990 and 1991 in English and held by 80 WorldCat member libraries worldwide

Performance and policy dimensions in Internet routing( Book )

1 edition published in 1995 in English and held by 77 WorldCat member libraries worldwide

Report from the Study Group on Vocational Evaluation and Work Adjustment Services in Vocational Rehabilitation : Tenth Institute on Rehabilitation Services, May 15-17, 1972, Minneapolis, Minnesota by David L Mills( Book )

4 editions published between 1972 and 1973 in English and held by 16 WorldCat member libraries worldwide

Real-Time Recognition of Manual Morse Telegraphy Using Nonlinear Estimation and Viterbi Decoding by David L Mills( Book )

5 editions published in 1977 in English and held by 7 WorldCat member libraries worldwide

This report describes the analysis and design of a sophisticated real-time detector and decoder for manually-sent Morse code signals transmitted via high-frequency radio circuits. The system software is designed to run if required in a distributed computer network such as the DCN and can provide simultaneous multicircuit decoding capabilities, using a multiplexed analog-digital converter and multiple terminals, in a single machine. The system uses the principles of optimum filtering and receiver design, including matched filtering and Viterbi decoding. The statistical structure of the Morse process is encapsulated in a Markov model which includes a-priori probabilities and transition probabilities reflecting the entire alphabetical structure of the code. A key component in the design is a new algorithm, called ratio-weighted estimation (RWE) which provides extremely fast adaptation to the time-varying Morse code parameters typical of multioperator circuits
Structured programming and compiling in a minicomputer environment by David L Mills( Book )

7 editions published in 1974 in English and held by 5 WorldCat member libraries worldwide

This report describes a structured programming language and compiler designed for systems implementation use in a minicomputer environment. The language, called ULP, is designed to be easily translated by a small compiler, yet maintain the philosophy of structured-programming. The structure of the language is defined by a set of macro definitions which can be easily changed to fit a number of computers or to extend the operation and statement repetoire of the language. The compiler itself is small and extensively table driven, factors which enhance its portability and applicability in small-system environments. The compiler has been implemented in FORTRAN for both the System/370 and the Univac 1106 and in its own language for the PDP11. The compiler can compile itself in a PDP11 with 12K of storage and produce object programs of similar size and efficiency as SIMPL
The basic operating system for the distributed computer network by David L Mills( Book )

6 editions published in 1975 in English and held by 4 WorldCat member libraries worldwide

This report describes the Basic Operating System (BOS) for the Distributed Computer Network (DCN). The BOS is a multiprogramming executive providing process and storage management, interprocess communications, input/output device control and application-program support. It operates with any PDP11 model including at least 4K of storage, an operator's console and a communication device for connection to the DCN. Included in this report is a description of the various components that make up the BOS and the manner in which they operate. Also described are the various primitive functions and command operations used to control the operation of the network and the various application programs. Other reports, listed in the references, describe the functioning of the DCN as a whole and also the upwardly-compatible Virtual operating System (VOS) developed for PDP11 models with memory management features
Transient Fault Recovery in the Distributed Computer Network by David L Mills( Book )

4 editions published between 1975 and 1976 in English and held by 4 WorldCat member libraries worldwide

This paper describes a set of algorithms proposed for recovery from hardware and software failure in a distributed computer network. These algorithms are designed so that, in most cases of temporary failure in a processor, storage medium or input/output device, the remaining components elsewhere in the network continue to function. When the failure is repaired the system automatically reconfigures itself to include the failed component. (Author)
An overview of the Distributed Computer Network by David L Mills( Book )

3 editions published in 1975 in English and held by 3 WorldCat member libraries worldwide

The Distributed Computer Network (DCN) is a resource-sharing computer network which includes a number of DEC PDP11 computers. The DCN supports a number of processes in a multiprogrammed distributed environment. Processes can communicate with each other and interface with their environment in a manner which is independent of their residence within a particular computer. Resources such as processors, devices and storage media can be remotely accessed and shared so as to provide increased reliability, flexibility and system utilization. The DCN now supports several programming languages and applications packages. Common programming languages such as LISP, BASIC and others, along with an extensive library of interactive graphics procedures, can be executed in processes which take full advantage of the distributed architecture of the system. Most of the components of the Disk Operating System (DOS) for the PDP11 can be executed in a special emulator-type virtual process now being constructed for this purpose
Multiprogramming in a small-systems environment( Book )

1 edition published in 1969 in English and held by 2 WorldCat member libraries worldwide

The report discusses multiprogramming systems architectures suitable for use with small machines of the PDP-8 class. Techniques for task and I/O device scheduling, storage and device allocation, buffer and timer management, and command language interpretation are discussed in detail. Illustrative details are freely drawn from a follow-on version of RAMP, a multiprogramming system now used in several applications involving process control, message switching, and terminal control. (Author)
The Nanokernel( Book )

2 editions published in 2001 in English and held by 2 WorldCat member libraries worldwide

Internet timekeeping has come a long way since first demonstrated almost two decades ago. In that era most computer clocks were driven by the power grid and wandered several seconds per day relative to UTC. As computers and the Internet became ever faster, hardware and software synchronization technology became much more sophisticated. The Network Time Protocol (NTP) evolved over four versions with ever better accuracy now limited only by the underlying computer hardware clock and adjustment mechanism. The clock frequency in modern workstations is stabilized by an uncompensated quartz or surface acoustic wave (SAW) resonator, which are sensitive to temperature, power supply and component variations. Using NTP and traditional Unix kernels, incidental timing errors with an uncompensated clock oscillator is in the order of a few hundred microseconds relative to a precision source. Using new kernel software described in this paper, much better performance can be achieved. Experiments described in this paper demonstrate that errors with a modern workstation and uncompensated clock oscillator are in the order of a microsecond relative to a GPS receiver or other precision timing source
University of Connecticut Symphonic Band : October 19, 2010( Recording )

2 editions published in 2010 and held by 2 WorldCat member libraries worldwide

Scaleability Panel Review( )

1 edition published in 1993 in English and held by 1 WorldCat member library worldwide

A peer review panel was held at IDA on August 19 and 20, 1993, to address the challenges of network scaleability as it pertains to the Synthetic Theater of War (STOW) program. The goal of STOW is to conduct a Distributed Interactive Simulation (DIS) demonstration in 1994 with 10,000 entities (live, virtual, and constructive), with 100,000 entities by 1997, over the DSI network. Scaleability addresses techniques for maximizing the number of DIS entities on the network by minimizing the network load, both in terms of bandwidth and packets per second. The panel, which consisted of five network scaleability experts, was presented with the current research being conducted by three separate contractors. The experts provided insights on how STOW's goals could be met. They expressed concern over meeting the requirement for a secure network, given the current network encryption requirements. They recommended T3 circuits as a backbone to handle the network traffic
An assembly language system for dec minicomputers( Book )

1 edition published in 1969 in English and held by 1 WorldCat member library worldwide

The memorandum describes the PDP-5/8 and the PDP-7/9 language assemblers and the PDP-8 Link-Editor/Loader which are currently running on the duplex IBM 360/67 system at the Computing Center of the University of Michigan under MTS (Michigan Terminal System). The programs are written in IBM System/360 OS Assembly Language, Level G. The memorandum serves both as a manual for the system user as well as a report on the system development. (Author)
Network Time Protocol (version 3) : specification, implementation and analysis by David L Mills( Book )

1 edition published in 1992 in English and held by 1 WorldCat member library worldwide

The Network Computer as Precision Timekeeper( )

1 edition published in 1996 in English and held by 1 WorldCat member library worldwide

This paper describes algorithms to discipline a computer clock to a source of standard time, such as a GPS receiver or another computer synchronized to such a source. The algorithms are designed for use in the Network Time Protocol (NTP), which is used to synchronize computer clocks in the global Internet. They have been incorporated in the NTP software for Unix and Windows and, for the highest accuracy, in the operating system kernels for Sun, DEC, and HP workstations. Rms errors on LANs are usually less than 10 microsecond and on global Internet paths usually less than 5 ms. However, rare disruptions of one kind or another can cause error spikes up to 100 microsecond on LANs and 100 ms on Internet paths
Symphonic Band : April 26th, 2011( Recording )

1 edition published in 2011 and held by 1 WorldCat member library worldwide

Internet Timekeeping Around the Globe( )

1 edition published in 1997 in English and held by 1 WorldCat member library worldwide

This paper describes a massive survey of Network Time Protocol (NTP) servers and clients in order to discover statistics of time and frequency errors, as well as determine the health and welfare of the NTP synchronization subnet operating in the global Internet. Among the conclusions of the survey are that most NTP clocks are within 21 ms of their synchronization sources and all are within 29 ms on average. However, additional errors up to one-half the roundtrip delay are possible, but relatively rare. There is, however, a disturbing incidence of improperly operating sewers and misguided server configurations
The Distributed Computer Network Project( Book )

1 edition published in 1977 in English and held by 1 WorldCat member library worldwide

This report summarizes the work done during the last year of the Distributed Computer Network (DCN) Project. The accomplishments during this period include further refinement of the operating systems and compilers, development of automatic fault-recovery and resource-assignment facilities and re-evaluation of certain concepts indigent to the DCN architectural design. (Author)
Panel Review of Long-Haul Networking in Distributed Simulation( Book )

1 edition published in 1990 in English and held by 1 WorldCat member library worldwide

This report documents a review of the technical approach used to support long-hand, networked data communications in DARPA's Advanced Distributed Simulation Technology (ADST) Program. The review was conducted 1-2 March 1990 by an independent panel of five scientists whose comments are presented and summarized. The panel concluded that: (1) the current technical approach to long-haul data communication in ADST is sound, given current system requirements and resources; (2) the existing architecture and protocols will support a one order of magnitude increase in traffic over the next five years, assuming the current pace of improvements in computation continues and is reflected in system improvements; (3) the ability of the current approach to support a two order of magnitude increase in traffic over the next 10 years is much less certain; (4) the system has been appropriately designed to support migration to standardized architectures and protocols; (5) the system should incorporate standardized approaches where they satisfy the levels of performance needed, but performance should receive preference over standardization where they do not; (6) a comprehensive assessment of system requirements for long-haul data communications requirements in the network is needed and should be undertaken promptly; (7) general purpose mechanisms for network management and security should be incorporated in the system; (8) data collection and analysis of network traffic and requirements should be instituted as a routine component of system operations to monitor performance and to guide system modifications and growth. (rh)
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Computer network time synchronization : the Network Time Protocol
Alternative Names
David L. Mills Amerikaans informaticus

David L. Mills informatico statunitense

David L. Mills US-amerikanischer Informatiker

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English (74)