|
5S
|
A Lean
Production method of creating a clean and orderly workplace that exposes
waste and errors. Originally summarized by 5 Japanese words beginning with S,
5S is widely translated as Sort, Shine, Set in Order, Standardize and
Sustain.
|
|
7 Wastes
|
What
the customer is not prepared to pay for in the production or service process.
1) Over-production 2) Wait time 3) Transport 4) Over Processing 5) Inventory,
6) Motion 7) Defects
|
|
Activity-based costing system
|
A
system that tracks costs based on the activities that are responsible for
driving costs in the production of manufactured goods
|
|
Advanced
planning and scheduling system
|
Planning
and optimization tool that balances demand with plant capacity, thus allowing
manufacturers to identify bottlenecks and divert workload to alternative
production cells.
|
|
Advanced
product quality planning
|
A
structured method of defining and establishing the steps necessary to ensure
that a product satisfies the customer. By moving quality efforts into
planning and prevention, this multistage process identifies and anticipates
potential problem areas.
|
|
Annual
total inventory turns
|
A
measure that is calculated by dividing the value of annual plant shipments at
plant cost (for the most recent full year) by the total average daily
inventory value at plant cost. Total average daily inventory includes raw
materials, work in process, and finished goods. Plant cost includes material,
labor, and plant overhead.
|
|
Asset
turnover
|
A
measure of how efficiently assets are used to produce sales. The ratio shows
how many dollars of sales were generated by each dollar of assets. Calculate
by dividing net sales by average total assets.
|
|
Backpressure
|
A flow-control technique that avoids frame loss by impeding
external traffic from sending frames to congested interfaces.
|
|
Benchmarking
|
Formal
programs that compare a plant's practices and performance results against
"best-in-class" competitors or against similar operations.
|
|
Bottleneck
|
Any
point at which movement is slowed because demand placed on a resource is
greater than capacity. The step in a process line that limits the throughput
of the entire process line.
|
|
CAD (Computer-aided design)
|
Computer-based
systems for product design that may incorporate analytical and
"what-if" capabilities to optimize product designs. Many CAD
systems capture geometric and other product characteristics for
engineering-data-management systems, produce-ability and cost analysis, and
performance analysis. In many cases, CAD-generated data is used to generate
tooling instructions for computer-numerical-control (CNC) systems.
|
|
CAM (Computer-aided manufacturing)
|
Computerized
systems in which manufacturing instructions are downloaded to automated
equipment or to operator workstations.
|
|
CAPP
(Computer-aided process planning)
|
Software-based
systems that aid manufacturing engineers in creating a process plan to
manufacture a product with geometric, electronic, and other characteristics
have been captured in a CAD database. CAPP systems address such manufacturing
criteria as target costs, target lead times, anticipated production volumes,
availability of equipment, production routings, opportunity for material
substitution, and test requirements.
|
|
Cellular
manufacturing
|
A
manufacturing approach in which equipment and workstations are arranged to
facilitate small-lot, continuous-flow production. In a manufacturing
"cell," all operations necessary to produce a component or
subassembly are performed in close proximity, thus allowing for quick
feedback between operators when quality problems and other issues arise.
Workers in a manufacturing cell typically are cross-trained and, therefore,
able to perform multiple tasks as needed.
|
|
Changeover
|
The time
required to modify a system or workstation, including teardown and setup
time.
|
|
Computerized
process simulation
|
Use of
computer simulation to facilitate sequencing of production operations,
analysis of production flows, and layout of manufacturing facilities.
|
|
Concurrent
engineering
|
A
cross-functional, team-based approach in which the product and the
manufacturing process are designed and configured within the same time frame,
rather than sequentially.
|
|
Continuous-replenishment
programs
|
Arrangement
with supplier companies in which the supplier monitors the customer's
inventory and automatically replaces used materials, eliminating the need for
purchase orders and related paperwork.
|
|
COQ (Cost of Quality)
|
A
quantification of the cost of poor quality. The sum of all costs associated
with conformance and nonconformance. Cost of conformance includes prevention
costs (employee training, tooling maintenance, planned preventive
maintenance, suggestion awards) and appraisal costs (inspection, testing, gages
and instrumentation, audit expenses). The cost of nonconformance includes
internal costs (unscheduled maintenance, pre-shipment scrap and rework,
workers' compensation) and external costs (warranty, customer complaint
investigation, rework of returned goods, and product liability insurance.)
|
|
CORBA (Common Object Request Broker Architecture)
|
A specification for interoperability among distributed
computing systems.
|
|
Core
competency
|
The
processes, functions, and activities in a plant or company that are its
"life blood" typically those activities for which the enterprise
derives the greatest return for its investments or those that intrinsically
align the enterprise with its core market.
|
|
Cpk
|
A
statistical calculation of process capability based on the relationship
between process variability and design specifications.
|
|
Cross-functional
teams
|
Teams
of employees representing different functional disciplines and/or different
process segments that tackle a specific problem or perform a specific task,
frequently on an ad hoc basis.
|
|
Cross-training
|
Skill-development
practices that require or encourage production workers and other employees to
master multiple job skills, thus enhancing workforce flexibility.
|
|
CSU/DSU (channel service unit/data service unit)
|
A device that terminates a digital channel. In this context,
the device sits between the voice T1 line and the IP PBX.
|
|
Customer
lead time
|
The
time elapsed from receipt of an order until the finished product is shipped
to the customer.
|
|
Customer
reject rate
|
A
quality measure expressed in parts per million reflecting the number of
completed units rejected or returned by external customers.
|
|
Customer
retention rate
|
The
number of customers active x years ago and still active, divided by the total
number of customers active x years ago.
|
|
Data cleansing
|
The process of making data that is being imported into a data
warehouse more accurate by removing mistakes and inconsistencies.
|
|
Data cube
|
A structure in which data is organized at the core of a multidimensional
(OLAP) system. Each cube is made up of dimensions, which are the perspectives
from which the cube can be viewed (showing specific data based on specified
criteria such as database fields and categories). Dimensions can contain
multiple hierarchies, which in turn contain levels. This structure fosters
relationships among various types of data, allowing for deep mining and
complex analysis. Data cubes are also known as multidimensional cubes.
|
|
Data mart
|
A structure that resembles a data warehouse but has a narrower
focus on data specific to one particular workgroup or task. This is also
known as a local data warehouse.
|
|
Data warehouse
|
A repository where data from multiple databases is brought
together for more complex analysis.
|
|
Days
of inventory
|
Calculate
days of inventory by dividing the average inventory on hand (raw-materials
inventory, work-in-process inventory, finished-goods inventory, or total
inventory) by average daily usage.
|
|
Demand
flow scheduling systems
|
Software
systems designed to optimize demand-based manufacturing techniques.
|
|
DES, 3DES (Data Encryption Standard, Triple DES)
|
A standard method of encrypting and decrypting data. A DES key
has a 64-bit value; 8 bits are used to check parity, 56 bits for the
encryption algorithm. Triple DES uses three 56-bit keys, for a total of 168
bits.
|
|
Design
for assembly
|
The
practice in which ease and cost of assembly is emphasized during the
product-design stage.
|
|
Design
for logistics
|
The
practice in which physical handling and distribution of a manufactured
product are emphasized during the product-design stage.
|
|
Design
for manufacturability
|
The
practice in which ease and cost of manufacturing, as well as
quality-assurance issues, are emphasized during the product-design stage.
|
|
Design
for procurement
|
A
practice in which product designers work effectively with suppliers and
sourcing personnel to identify and incorporate technologies or designs that
can be used in multiple products, facilitating the use of standardized
components to achieve economies of scale and assure continuity of supply.
|
|
Design
for quality
|
The
practice in which quality assurance and customer perception of product
quality are emphasized as an integral part of the design process.
|
|
Design
for recycling/disposal
|
The
practice in which ultimate disposal and recycling of the manufactured product
are considered during the product-design stage.
|
|
Design
of experiments
|
An
experimental design methodology that enables process designers to determine
optimum product/process parameters by conducting a limited number of
experiments involving combinations of variables.
|
|
DHCP (Dynamic Host Configuration Protocol)
|
A specification for the service provided by a router, gateway,
or other network device that automatically assigns TCP/IP network settings
(including an IP address to any device that requests one).
|
|
Diffie-Hellman
|
A public-key cryptography protocol, first published in the
1970s. It allows two parties to establish a shared secret over an insecure
communications channel and is used within IKE to establish session keys.
|
|
Directory Services
|
A network service that identifies all resources on a network
and makes them accessible to users and applications. A directory service
allows businesses to manage identities and security access for employees,
customers and partners. Resources include e-mail addresses, computers, and
peripheral devices such as printers. Ideally, the directory service should
make the physical network topology and protocols transparent so that a user
on a network can access any resource without knowing where or how it is
physically connected.
|
|
Discrete
manufacturing
|
The
production or assembly of parts and/or finished products that are
recognizable as distinct units capable of being identified by serial numbers
or other labeling methods and measurable as numerical quantities rather than
by weight or volume.
|
|
DOE (Design of experiments)
|
A
family of statistical improvement techniques.
|
|
Economic Value Added (EVA)
|
A
measurement of shareholder wealth created by an investment center. A
trademark of Stern Stewart & Company, calculating EVA can be very complex
but is basically net operating profit after taxes (NOPAT) minus an
appropriate charge for the opportunity cost of all capital invested in an
enterprise.
|
|
EDI (Electronic data
interchange)
|
Information-system
linkages, based on communication protocols and document formats that permit
inter-company computer-to-computer communications. It not only speeds
communication, but also eliminates re-keying of information and reduces the
opportunity to introduce errors.
|
|
ERP (Enterprise resource
planning)
|
An
extension of MRP II software designed to operate on enterprise-wide computing
platforms. ERP systems typically claim the ability to achieve tighter (or
"seamless") integration between a greater variety of functional
areas, including materials management, supply-chain management, production,
sales and marketing, distribution, finance, field service, and human
resources.
|
|
ESP (Encapsulating Security Payload)
|
An encryption and validation standard used with IPsec.
|
|
Ethernet
|
The most popular LAN communication technology. Originally
designed in the 1970s for coaxial cable, it is now most frequently used with
Category 5 twisted-pair cable. All nodes or networked devices take turns
sharing the technology. Because of this, various collision detection
techniques are used, making the technology efficient for small networks.
There are various types of Ethernet, including 10-Mbps (traditional
Ethernet), 100-Mbps (Fast Ethernet), and 1,000-Mbps (Gigabit Ethernet).
|
|
Expert
systems
|
Software-based
"artificial-intelligence" systems that capture the knowledge and
experience of experts in a specialized field and make that expertise
available to less-skilled personnel.
|
|
Extranet
|
An exclusionary
Internet-like network that securely connects customers and suppliers to a
corporate or plant intranet in order to access information deemed sharable by
the intranet operators.
|
|
FEA (Finite
element analysis)
|
A
mathematical method for analyzing stress. FEA is used in product-design
software to conduct graphical on-screen analysis of a model's reactions under
various load conditions.
|
|
Finished-goods
turn rate
|
A
measure of asset management that typically is calculated by dividing the
value of total annual shipments at plant cost by the average finished-goods
inventory value.
|
|
Finite
capacity scheduling
|
Software-based
systems that enable simulation of production scheduling (and determination of
delivery dates) based on actual unit/hour capacity at each step in the
production routing.
|
|
FMEA (Failure Mode and Effects
Analysis)
|
A
technique used to assess risk in a process or a product design.
|
|
Focused-factory
production
|
A plant
configuration and organization structure in which equipment and manpower are
grouped to create essentially self-contained "mini-businesses,"
each with a specific product line or customer focus. A single plant may be
divided into several focused-factory units, designed around process flows,
each of which has control over such support activities as maintenance,
manufacturing engineering, purchasing, scheduling, and customer service.
|
|
Full duplex
|
A transmission method that lets two network devices transmit
and receive concurrently, effectively doubling the bandwidth of a half-duplex
link, in which data flows one way at a time.
|
|
Future State
|
A
potential improved view of the workflow.
|
|
GBIC (gigabit interface converter)
|
A type of hot-swappable, standards-based transceiver used with
switches. It converts electrical signals to optical signals and vice versa,
and it is usually used for connections on or to the backbone.
|
|
GVRP (Generic VLAN Registration Protocol)
|
A specification defining parameters that switches use to
exchange information for registering VLANs on a Spanning-Tree network and to
facilitate direct communication.
|
|
High-availability
|
Refers to devices or deployment strategies designed to provide
access to fully functioning systems at all times. One HA strategy is to
cluster devices so that the primary device can fail over to the secondary one
if necessary.
|
|
Hosts
|
PCs, network printers, and multimedia devices, among other
hardware, that can send or receive data across a network.
|
|
IEEE 802.1p
|
A standard that provides quality of service (QoS) in Ethernet
networks. It relies on packet tags and allows switches to transmit packets in
order of priority.
|
|
IEEE 802.1q
|
A standard that defines Ethernet frame tags that carry VLAN
identifiers.
|
|
IEEE 802.3ab
|
A standard that defines Carrier Sense Multiple
Access/Collision Detect (CSMA/CD) methods and physical-layer specifications
for 1,000Base-T.
|
|
IEEE 802.3x
|
A standard that defines Ethernet frame start and stop requests
and timers on full-duplex links.
|
|
IKE (Internet Key Exchange)
|
An automatic security negotiation and key management service,
used with the IPsec protocols.
|
|
In-plant
defect rate
|
The
fallout rate, parts per million (ppm), of all components in manufacturing and
assembly that fail quality tests at any point in the production process.
|
|
Intranet
|
A
secure, internal, corporate Internet-based network.
|
|
Inventory
Turns
|
The
number of times the value of inventory is turned over in a year; 12 turns
means that the value of inventory is turned 12 times per year or once per
month.
|
|
IP (Internet Protocol) address
|
A numerical identifier for a device on a TCP/IP network. The
IP address format is a string of four numbers, each from 0 to 255, separated
by periods.
|
|
IP PBX (Internet Protocol private branch exchange)
|
A private telephone switching system that performs the same
basic functions as a traditional PBX but operates using IP, making it easier
to add features.
|
|
IPsec (IP Security)
|
A widely used collection of security protocols developed and
supported by the IETF (Internet Engineering Task Force), which allows for
private and secure communications across the public Internet. Over 40 RFCs
(requests for comments) specify authentication, encryption, and key
management in IPsec.
|
|
ISO
14000
|
Standards
and guidelines defined by the International Standards Organization for
environmental management systems.
|
|
ISO
9000
|
An
international quality-process auditing program, based on a series of
standards published by the International Standards Organization in Geneva,
Switzerland, through which manufacturing plants receive certification
attesting that their stated quality processes are adhered to in practice.
|
|
JIT
(Just-in-time)
|
Providing
what is needed, when it is needed, in the quantity it is needed.
|
|
JIT
delivery
|
Delivery
of parts and materials in small lots and on a frequent basis timed to the
needs of the production system.
|
|
JIT/continuous-flow
production
|
Implementation
of "just-in-time" techniques to reduce lot sizes, reduce setup
times, slash work-in-process inventory, reduce waste, minimize
non-value-added activities, improve throughput, and reduce manufacturing
cycle time. JIT production typically involves use of "pull" signals
to initiate production activity, in contrast to work-order ("push")
systems in which production scheduling typically is based on forecasted
demand rather than actual orders.
|
|
Kaizen
|
The
systematic, organized improvement of processes by those who operate them,
using straightforward methods of analysis. It is a "do-it-now"
approach to continuous improvement. Continuous improvement on top of
continuous improvement.
|
|
Kaizen
event
|
A
focused, short-term event to make immediate improvements. A concentrated
effort, typically spanning three to five days, in which a team plans and
implements a major process change or changes to quickly achieve a quantum
improvement in performance. Participants generally represent various
functions and perspectives and may include non-plant personnel.
|
|
Kanban
|
A
visual signal, typically a re-order card or container that triggers a pull
manufacturing system.
|
|
Kanban
signal
|
A
method of signaling suppliers or upstream production operations when it is
time to replenish limited stocks of components or subassemblies in a
just-in-time system.
|
|
L2TP (Layer 2 Tunneling Protocol)
|
A merging of features from PPTP and Cisco's L2F. It is used to
encapsulate PPP frames and transmit them across a TCP/IP network. As an IETF
standard, L2TP is supported by many VPN providers.
|
|
Layouts
& Work Cell Design
|
Using
the results of value stream mapping and workflow analysis to improve the
macro and micro layout of the process.
|
|
LDAP (Lightweight Directory Access Protocol)
|
A
client-server protocol for accessing a directory service. LDAP lets you
locate organizations, individuals, and other resources such as files and
devices in a network, whether on the Internet or on a corporate intranet, and
whether or not you know the domain name, IP address, or geographic
whereabouts. An LDAP directory can be distributed among many servers on a
network then replicated and synchronized regularly. LDAP was developed at the
University of Michigan; it is "lightweight" in contrast to DAP, a
part of the X.500 directory protocol for networks. It can be used to route
email in large organizations as well as look up people and machines across
public or private networks.
|
|
Lead
Time
|
The
time quoted to customers (usually in days or weeks) between the date of
purchase and the shipment date.
|
|
Load
Balancing
|
Matching
or adjusting the throughput rate of all steps in a workflow.
|
|
MAC (media-access control) address
|
An assigned 48-bit network address that is unique to a given
network interface card and can be used to identify networked devices for
security purposes.
|
|
Machine
availability rate
|
The
percentage of time that production equipment is available for use, divided by
the maximum time it would be available if there were no downtime for repair
or unplanned maintenance.
|
|
Machine
vision
|
Optical
systems in which video equipment is used to guide robotic or automated
equipment during production operations; also, computerized visual inspection
systems used for quality control.
|
|
Manufacturing
cycle time
|
The
time of actual production from when a customer order is released to the plant
floor for a particular product through to the completion of all
manufacturing, assembly, and testing for that specific product. (Does not
include front-end order-entry time or engineering time spent on customized
configuration of nonstandard items, or time in finished goods inventory.)
|
|
Mean
time between equipment failure
|
The
mean (or average) time in hours expected between failures of a given device.
|
|
MPLS (MultiProtocol Label Switching)
|
An IETF–defined protocol that is used in IP traffic
management. Basically, it provides a means for one router to pass on its
routing priorities to another router by means of a label and without having
to examine the packet and its header, thus saving the time required for the
latter device to look up the address for the next node. It can also
facilitate Quality of Service (QoS).
|
|
Multidimensional analysis
|
A process of analysis that involves organizing and summarizing
data in multiple dimensions for easier comprehension (see data cube).
Performing queries, users can create customized slices of data by combining
various fields or dimensions.
|
|
NAICS
|
The
North American Industry Classification System (NAICS) is a coding system of
the U.S., Mexican, and Canadian governments that identifies specific economic
sectors. It replaces the U.S. Standard Industrial Classification (SIC)
system. Coding for most manufacturers encompasses the 6-digit subsets of
numbers 31 through 33.
|
|
NAT (Network Address Translation)
|
A technique—generally applied by a router—that makes many
different IP addresses on an internal network appear to the Internet as a
single address, concealing the specifics of the internal network.
|
|
OASIS (Organization for the Advancement of Structured
Information Standards)
|
The open-standards organization that sponsors interoperability
specifications such as SAML and UDDI.
|
|
ODBC (Open Database Connectivity)
|
A standard that allows a database to be exchanged and opened
by other compliant database software, independent of the database's file
format or what program was originally used to create it.
|
|
OLAP (On-Line Analytical Processing)
|
In general, OLAP refers to the tools and software used for
extracting data from databases and analyzing multidimensional cubes.
|
|
OLE (Object Linking and Embedding)
|
A Windows standard created by Microsoft that allows programs
to share information.
|
|
One-piece
Flow
|
A
practice where product is moved from one workstation to the next one piece at
a time without allowing inventory to build up in-between steps.
|
|
On-Time
Delivery
|
A
measure of the success rate of delivering (or shipping) on the date promised.
|
|
On-time
delivery rate
|
The
percentage of time that products ordered by customers are received by the
specified time or date.
|
|
Order
fill rate
|
Annual
sales orders filled completely divided by the total annual number of sales
orders.
|
|
Order-to-delivery
lead time
|
The
time from when a specific order is released to the shop floor until that
order is shipped to the customer, including any storage time in finished
goods inventory.
|
|
PBX (private branch exchange)
|
A private telephone switching system that connects outside
phone lines from a telecommunications provider to extensions within a
building or office, as well as providing such features as call forwarding and
paging. Where older proprietary systems used handsets designed specifically
for separate systems, new PBX devices are interoperable.
|
|
PDM
(Product data management)
|
Enabling
software-based systems that link, manage, and organize product-related data
from various sources both internally and externally with suppliers across
various computer platforms, divisions, departments, and geographic locations.
|
|
Pick-to-ship
cycle time
|
Pick-to-ship
begins when an order is released to be picked from inventory and ends at the
time the order is shipped.
|
|
PoE (Power over Ethernet)
|
A solution in which networking hardware transmits electrical
power over Category 5 Ethernet cable or better. This eliminates the need for
AC power cords, minimizing cabling and outlet requirements.
|
|
Poka-yoke
|
"Fail-safe"
techniques to eliminate errors or quality-related production defects as far
upstream in the process as possible.
|
|
Port mirroring
|
A transmission method in which frames transmitted and received
on one port can be duplicated on another port for diagnostic purposes.
|
|
POTS (plain old telephone service)
|
The typical, familiar
single-phone-line-and-single-phone-number model.
|
|
PPP (Point-to-Point Protocol)
|
A TCP/IP-based protocol used to transmit IP packets over
serial point-to-point links.
|
|
PPTP (Point-to-Point Tunneling Protocol)
|
A tunneling protocol developed by Ascend Communications, ECI
Telecom, Microsoft, and U.S. Robotics that encapsulates PPP frames over
TCP/IP networks. There is no standard implementation of PPTP.
|
|
Preventive
maintenance
|
Maintenance
activities often performed by machine operators at regularly scheduled
intervals, to keep equipment in good working condition.
|
|
Print server
|
A device that enables printer sharing on a network. Some home
router products offer built-in print servers, and many standalone wired and
wireless print servers are available.
|
|
Problem-solving
methodologies
|
A
variety of approaches to problem solving, including the Deming Circle
(Plan-Do-Check-Act), used by all persons working in the same team or
organization.
|
|
Process
manufacturing
|
The
manufacture of products such as chemicals, gasoline, beverages, and food
products that typically are produced in "batch" quantities rather
than discrete units.
|
|
Product
Family
|
A
grouping of products using similar processing methods.
|
|
Product-development
cycle
|
Sometimes
called "time to market," this is the period of time from the start
of design / development work to commercial product availability.
|
|
PSTN (public switched telephone network)
|
The combination of local, long-distance, and international
carriers that make up the worldwide telephone network.
|
|
Pull
Scheduling
|
Starting
a new lot with an order from a customer.
|
|
Pull
system
|
A
system for controlling work flow and priorities whereby the processes needing
materials (or attention) draw them from the feeding processes or storage
areas as needed, typically using "kanban" signals in contrast to
"push" systems in which material is processed, then pushed to the
next stage whether or not it is really needed.
|
|
Pull
vs. Push
|
Two
diametrically opposite scheduling philosophies. Push manufacturing schedules
are dictated by a formal production schedule where a new lot is pushed onto
the first step of the process. With pull manufacturing, a customer order
triggers the start of a new lot; typically empty kanbans pull new production
from the prior process step.
|
|
QFD (Quality
Function Deployment)
|
A
technique used to identify the "Voice of the Customer" and match
customer requirements and technical requirements.
|
|
QoS (Quality of service)
|
The ability of a network (including applications, hosts, and
infrastructure devices) to deliver traffic with minimum delay and maximum
availability.
|
|
QS
9000
|
A
common quality certification program for auto industry suppliers that
includes ISO 9000 as a base-line.
|
|
Quality
function deployment (QFD)
|
A
customer-focused approach to quality improvement in which customer needs
(desired product or service characteristics) are analyzed at the design stage
and translated into specific product- and process-design requirements for the
supplier organization. Targeted customer needs may include product features,
cost, durability, and other product characteristics.
|
|
Quick-changeover
methods
|
A
variety of techniques, such as SMED (single-minute exchange of dies), that
reduce equipment setup time and permit more frequent setups, thus improving
flexibility and reducing lot sizes and lead times.
|
|
RADIUS (Remote Authentication Dial-In User
Service)
|
A client/server protocol and software package that enables
remote-access servers (VPN concentrators in this case) to communicate with a
central server to authenticate dial-in users and authorize their access to
the requested systems or services.
|
|
Rapid
prototyping
|
A
variety of techniques for quick conversion of CAD-generated product designs
into useful, accurate physical models, typically using computer-controlled
systems.
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Real-time
feedback
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Instantaneous
(or nearly instantaneous) communication of electronically captured data
(typically quality data) to process operators or equipment to enable rapid or
automated adjustments that keep production processes operating within quality
parameters.
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RMON (remote-monitoring)
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A monitoring methodology for measuring traffic flow and
setting alarms for error conditions. It doesn't require polling (as SNMP
does).
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Router
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An interconnection device that links two discrete networks and
forwards packets between them. A router uses a networking protocol such as IP
to address and direct data packets flowing into and out of the network on
which it sits.
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RSA
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The public-key cryptographic system developed in 1977 by Ron
Rivest, Adi Shamir, and Leonard Adleman. RSA is the most commonly used
public-key encryption and authentication algorithm.
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RSS
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Though the acronym has a few meanings (the most common is
Really Simple Syndication), all refer to a way of managing lists of
information. Commonly used today for reading blogs and other Web content.
Microsoft plans on using RSS and Simple List Extensions for managing all
sorts of data.
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SAML (Security Assertion Markup Language)
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An XML security framework for exchanging authentication and
authorization information.
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Scrap/rework
costs
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Parts
or materials wasted in the production process, plus the cost of fixing
defective products so that they pass final inspection.
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Set-Up
Reduction
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Reducing
the time to set-up or change-over a process.
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Set-Up
Time
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The
time it takes to set-up a process to produce the next product, measured from
the last good part of the prior lot to the first good part of the new lot.
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Shop-floor
data collection
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Automated
collection of data on factory-production activities, including units
produced, labor hours per unit or customer order, time and date of specific
production activities, and maintenance and quality data.
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Simulated
Continuous Flow
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With a
step-wise batch operation, simulating a continuous process with small lot
sizes (as small as a lot size of 1), elimination of WIP, and direct feed of
each process step from its prior step.
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SIP (Session Initiation Protocol)
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An Internet Engineering Task Force (IETF) standard for
initiating, maintaining, and terminating an interactive user session
involving video, voice, chat, gaming, virtual reality, and more.
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Six
Sigma
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A
program that originated at Motorola where the objective is customer
satisfaction through continuous improvement in quality. Six Sigma means
products and processes will experience only 3.4 defects per million
opportunities or 99.99966% good.
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SNMP (Simple Network Management Protocol)
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A specification that governs network device monitoring and
management.
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SOAP (Simple Object Access Protocol)
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The W3C's XML protocol for Web services messages.
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Spanning Tree Protocol
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A specification that lets network bridges exchange information
while only one of them controls traffic between computers on a network.
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SPC (Statistical process
control)
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Use of
variation analysis, with manual or computerized control charts, to detect
non-normal variations in a process as quickly as possible.
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Structured wiring
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A networking system that requires the installation of
networking cables within the walls of a home or office. The cables can be
Category 5, coaxial, or hybrid bundles. Structured wiring is more common in
new homes, because retrofitting old homes can be costly.
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Supply-chain/logistics
systems
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A class
of manufacturing software designed to optimize scheduling and other
activities throughout the supply chain or "value chain" including
transportation and distribution functions.
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Switch
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A hardware device that serves as a central connection point
for all network cables. In a relatively small networking environment, a
switch of 4 to 12 ports may be part of a router or gateway.
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TACACS (Terminal Access Controller Access
Control System)
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A protocol for authenticating users attempting to gain access
to servers, networks, and remote-access servers. Similar to but less secure
than RADIUS and TACACS+.
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Takt
Time
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The
rate at which the customer uses a product. It is calculated by dividing the
total daily operating time by the total daily customer demand.
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