openstack/openstack-manuals
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Arch Design: Handle remaining glossary entries

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Move some more entries to the common glossary.
Remove ch_glossary.xml, the remaining entries are explained well in the
text and are not needed in the common glossary.

Change-Id: Ic205010e0fd72016a9f2177235144bd3b5680dee
Closes-Bug: #1354566
This commit is contained in:
Andreas Jaeger 2014-08-10 09:44:21 +02:00
parent 056398f678
commit 05fdf69d94
3 changed files with 16 additions and 457 deletions
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doc/arch-design/ch_glossary.xml
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<?xml version="1.0" encoding="UTF-8"?>
<chapter xmlns="http://docbook.org/ns/docbook"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:xlink="http://www.w3.org/1999/xlink"
version="5.0"
xml:id="arch-design-glossary">
<title>Glossary</title>
<!--
This file needs to be removed. For the remaining entries,
figure out which ones should go to the common glossary in
../glossary/glossary-terms.xml and which ones can be removed
completely. For each entry that should appear in the Arch
Design Glossary, a glossterm markup needs to be done in the
text.
-->
<itemizedlist>
<listitem>
<para>Anycast - A network routing methodology that routes
traffic from a single sender to the nearest node, in a
pool of nodes.</para>
</listitem>
<listitem>
<para>Broadcast Domain - The layer 2 segment shared by a
group of network connected nodes.</para>
</listitem>
<listitem>
<para>Capital Expenditure (CapEx) - A capital expense,
capital expenditure, CapEx is an initial cost for
building a product, business, or system.</para>
</listitem>
<listitem>
<para>CDN - Content delivery network - a specialized
network that is used to distribute content to clients,
typically located close to the client for increased
performance.</para>
</listitem>
<listitem>
<para>CI/CD - Continuous Integration / Continuous
Deployment, a methodology where software is
continually built and unit tests run for each change
that is merged, or proposed for merge. Continuous
Deployment is a software development methodology where
changes are deployed into production as they are
merged into source control, rather than being
collected into a release and deployed at regular
intervals</para>
</listitem>
<listitem>
<para>Cloud Broker - A cloud broker is a third-party
individual or business that acts as an intermediary
between the purchaser of a cloud computing service and
the sellers of that service. In general, a broker is
someone who acts as an intermediary between two or
more parties during negotiations.</para>
</listitem>
<listitem>
<para>Cloud Consumer - User that consumes cloud instances,
storage, or other resources in a cloud environment.
This user interacts with OpenStack or other cloud
management tools.</para>
</listitem>
<listitem>
<para>Cloud Management Platform (CMP) - Products that
provide a common interface to manage multiple cloud
environments or platforms.</para>
</listitem>
<listitem>
<para>Connection Broker - In desktop virtualization, a
connection broker is a software program that allows
the end-user to connect to an available
desktop.</para>
</listitem>
<listitem>
<para>Direct Attached Storage (DAS) - Data storage that is
directly connected to a machine.</para>
</listitem>
<listitem>
<para>Direct Server Return - A technique in load balancing
where an initial request is routed through a load
balancer, and the reply is sent from the responding
node directly to the requester.</para>
</listitem>
<listitem>
<para>Denial of Service (DoS) - In computing, a
denial-of-service or distributed denial-of-service
attack is an attempt to make a machine or network
resource unavailable to its intended users.</para>
</listitem>
<listitem>
<para>Distributed Replicated Block Device (DRBD) - The
Distributed Replicated Block Device (DRBD) is a
distributed replicated storage system for the Linux
platform.</para>
</listitem>
<listitem>
<para>Differentiated Service Code Point (DSCP) - Defined
in RFC 2474, this field in IPv4 and IPv6 headers is
used to define classes of network traffic, for quality
of service purposes.</para>
</listitem>
<listitem>
<para>External Border Gateway Protocol (eBGP) - External
Border Gateway Protocol describes a specific
implementation of BGP designed for inter-autonomous
system communication</para>
</listitem>
<listitem>
<para>Elastic IP - An Amazon Web Services concept, which
is an IP address that can be dynamically allocated and
reassigned to running instances on the fly. The
OpenStack equivalent is a Floating IP.</para>
</listitem>
<listitem>
<para>External Cloud - A cloud environment that exists
outside of the control of an organization. Referred to
for hybrid cloud to indicate a public cloud or an
off-site hosted cloud.</para>
</listitem>
<listitem>
<para>Federated Cloud - A federated cloud describes a
multiple sets of cloud resources, for example compute
or storage, that are managed by a centralized
endpoint.</para>
</listitem>
<listitem>
<para>Flow - A series of packets that are stateful in
nature and represent a session. Usually represented by
a TCP stream, but can also indicate other packet types
that when combined comprise a connection between two
points.</para>
</listitem>
<listitem>
<para>Golden Image - An operating system image that
contains a set of pre-installed software packages and
configurations. This may be used to build standardized
instances that have the same base set of configuration
to improve mean time to functional application</para>
</listitem>
<listitem>
<para>Graphics Processing Unit (GPU) - A single chip
processor with integrated transform, lighting,
triangle setup/clipping, and rendering engines that is
capable of processing a minimum of 10 million polygons
per second. Traditional uses are any compute problem
that can be represented as a vector or matrix
operation.</para>
</listitem>
<listitem>
<para>Hadoop Distributed File System (HDFS) - A
distributed file-system that stores data on commodity
machines, providing very high aggregate bandwidth
across the cluster.</para>
</listitem>
<listitem>
<para>High Performance Computing (HPC) - Also known as
distributed computing - used for computation intensive
processes run on a large number of instances</para>
</listitem>
<listitem>
<para>Hierarchical Storage Management (HSM) - Hierarchical
storage management is a data storage technique, which
automatically moves data between high-cost and
low-cost storage media</para>
</listitem>
<listitem>
<para>Hot Standby Router Protocol (HSRP) - Hot Standby
Router Protocol is a Cisco proprietary redundancy
protocol for establishing a fault-tolerant default
gateway, and has been described in detail in RFC
2281.</para>
</listitem>
<listitem>
<para>Interior Border Gateway Protocol (iBGP) - Interior
Border Gateway Protocol is an interior gateway
protocol designed to exchange routing and reachability
information within autonomous systems.</para>
</listitem>
<listitem>
<para>Interior Gateway Protocol (IGP) - An Interior
Gateway Protocol is a type of protocol used for
exchanging routing information between gateways
(commonly routers) within an Autonomous System (for
example, a system of corporate local area networks).
This routing information can then be used to route
network-level protocols like IP.</para>
</listitem>
<listitem>
<para>jClouds - An open source multi-cloud toolkit for the
Java platform that gives you the freedom to create
applications that are portable across clouds while
giving you full control to use cloud-specific
features.</para>
</listitem>
<listitem>
<para>Jitter - Is the deviation from true periodicity of a
presumed periodic signal in electronics and
telecommunications, often in relation to a reference
clock source.</para>
</listitem>
<listitem>
<para>Jumbo Frame - Ethernet frames with more than 1500
bytes of payload.</para>
</listitem>
<listitem>
<para>LAG - Link aggregation group is a term to describe
various methods of combining (aggregating) multiple
network connections in parallel into a group to
increase throughput beyond what a single connection
could sustain, and to provide redundancy in case one
of the links fail.</para>
</listitem>
<listitem>
<para>Legacy System - An old method, technology, computer
system, or application program that is considered
outdated.</para>
</listitem>
<listitem>
<para>Looking Glass - A tool that provides information on
backbone routing and network efficiency.</para>
</listitem>
<listitem>
<para>Microsoft Azure - A cloud computing platform and
infrastructure, created by Microsoft, for building,
deploying and managing applications and services
through a global network of Microsoft-managed
datacenters.</para>
</listitem>
<listitem>
<para>MongoDB - A cross-platform document-oriented
database. Classified as a NoSQL database, MongoDB
eschews the traditional table-based relational
database structure in favor of JSON-like documents
with dynamic schemas.</para>
</listitem>
<listitem>
<para>Mean Time Before Failures (MTBF) - Mean time before
failures is the predicted elapsed time before inherent
failures of a system during operation. MTBF can be
calculated as the arithmetic mean (average) time
between failures of a system.</para>
</listitem>
<listitem>
<para>Maximum Transmission Unit (MTU) - The maximum
transmission unit of a communications protocol of a
layer is the size (in bytes) of the largest protocol
data unit that the layer can pass onwards.</para>
</listitem>
<listitem>
<para>NAT64 - NAT64 is a mechanism to allow IPv6 hosts to
communicate with IPv4 servers. The NAT64 server is the
endpoint for at least one IPv4 address and an IPv6
network segment of 32-bits.</para>
</listitem>
<listitem>
<para>Network Functions Virtualization (NFV) - Network
Functions Virtualization is a network architecture
concept that proposes using IT virtualization related
technologies, to virtualize entire classes of network
node functions into building blocks that may be
connected, or chained, together to create
communication services.</para>
</listitem>
<listitem>
<para>NoSQL - A NoSQL or Not Only SQL database provides a
mechanism for storage and retrieval of data that is
modeled in means other than the tabular relations used
in relational databases.</para>
</listitem>
<listitem>
<para>Operational Expenditure (OPEX) - An operating
expense, operating expenditure, operational expense,
operational expenditure or OPEX is an ongoing cost for
running a product, business, or system.</para>
</listitem>
<listitem>
<para>Original Design Manufacturers (ODM) - Original
Design Manufacturers, a company which designs and
manufactures a product which is specified and
eventually branded by another firm for sale.</para>
</listitem>
<listitem>
<para>Overlay Network - An overlay network is a computer
network which is built on the top of another network.
Nodes in the overlay can be thought of as being
connected by virtual or logical links, each of which
corresponds to a path, perhaps through many physical
links, in the underlying network.</para>
</listitem>
<listitem>
<para>Packet Storm - A cause of degraded service or
failure that occurs when a network system is
overwhelmed by continuous multicast or broadcast
traffic.</para>
</listitem>
<listitem>
<para>Power Usage Effectiveness (PUE) - Power usage
effectiveness is a measure of how efficiently a
computer data center uses energy; specifically, how
much energy is used by the computing equipment (in
contrast to cooling and other overhead).</para>
</listitem>
<listitem>
<para>Quality of Service (QoS) - Quality of Service is the
overall performance of a telephony or computer
network, particularly the performance seen by the
users of the network.</para>
</listitem>
<listitem>
<para>Remote Desktop Host - A server that hosts Remote
Applications as session-based desktops. Users can
access a Remote Desktop Host server by using the
Remote Desktop Connection client.</para>
</listitem>
<listitem>
<para>Renumbering - Network renumbering, the exercise of
renumbering a network consists of changing the IP host
addresses, and perhaps the network mask, of each
device within the network that has an address
associated with it.</para>
</listitem>
<listitem>
<para>Rollback - In database technologies, a rollback is
an operation which returns the database to some
previous state. Rollbacks are important for database
integrity, because they mean that the database can be
restored to a clean copy even after erroneous
operations are performed.</para>
</listitem>
<listitem>
<para>Remote Procedure Call (RPC) - A powerful technique
for constructing distributed, client-server based
applications. The communicating processes may be on
the same system, or they may be on different systems
with a network connecting them.</para>
</listitem>
<listitem>
<para>Recovery Point Objective (RPO) - A recovery point
objective is defined by business continuity planning.
It is the maximum tolerable period in which data might
be lost from an IT service due to a major incident.
The RPO gives systems designers a limit to work
to.</para>
</listitem>
<listitem>
<para>Recovery Time Objective (RTO) - The recovery time
objective is the duration of time and a service level
within which a business process must be restored after
a disaster (or disruption) in order to avoid
unacceptable consequences associated with a break in
business continuity.</para>
</listitem>
<listitem>
<para>Software Development Kit (SDK) - A software
development kit is typically a set of software
development tools that allows for the creation of
applications for a certain software package, software
framework, hardware platform, computer system, video
game console, operating system, or similar development
platform.</para>
</listitem>
<listitem>
<para>Service Level Agreement (SLA) - A service-level
agreement is a part of a service
contract[disambiguation needed] where a service is
formally defined. In practice, the term SLA is
sometimes used to refer to the contracted delivery
time (of the service or performance).</para>
</listitem>
<listitem>
<para>Software Development Lifecycle (SDLC) - Software
development life cycle - A software development
process, also known as a software development
life-cycle (SDLC), is a structure imposed on the
development of a software product.</para>
</listitem>
<listitem>
<para>Top of Rack Switch (ToR Switch) - A Top of the Rack
or (TOR) switch is a small port count switch that sits
on the very top or near the top of a Telco rack you
see in Datacenters.</para>
</listitem>
<listitem>
<para>Traffic Shaping - Traffic shaping (also known as
"packet shaping") is a computer network traffic
management technique which delays some or all
datagrams to bring them into compliance with a desired
traffic profile. Traffic shaping is a form of rate
limiting.</para>
</listitem>
<listitem>
<para>Tunneling - Computer networks use a tunneling
protocol when one network protocol (the delivery
protocol) encapsulates a different payload protocol.
By using tunneling one can (for example) carry a
payload over an incompatible delivery-network, or
provide a secure path through an untrusted
network.</para>
</listitem>
<listitem>
<para>Virtual Desktop Infrastructure (VDI) - Virtual
Desktop Infrastructure is a desktop-centric service
that hosts user desktop environments on remote
servers, which are accessed over a network using a
remote display protocol. A connection brokering
service is used to connect users to their assigned
desktop sessions.</para>
</listitem>
<listitem>
<para>Virtual Local Area Networks (VLAN) - In computer
networking, a single layer-2 network may be
partitioned to create multiple distinct broadcast
domains, which are mutually isolated so that packets
can only pass between them via one or more routers;
such a domain is referred to as a virtual local area
network, virtual LAN or VLAN.</para>
</listitem>
<listitem>
<para>Voice over Internet Protocol (VoIP) -
Voice-over-Internet Protocol (VoIP) is a methodology
and group of technologies for the delivery of voice
communications and multimedia sessions over Internet
Protocol (IP) networks, such as the Internet.</para>
</listitem>
<listitem>
<para>Virtual Router Redundancy Protocol (VRRP) - The
Virtual Router Redundancy Protocol (VRRP) is a
computer networking protocol that provides for
automatic assignment of available Internet Protocol
(IP) routers to participating hosts. This increases
the availability and reliability of routing paths via
automatic default gateway selections on an IP
sub-network.</para>
</listitem>
<listitem>
<para>VXLAN Tunnel Endpoint (VTEP) - VXLAN Tunnel Endpoint
- Used for frame encapsulation. VTEP functionality can
be implemented in software such as a virtual switch or
in the form a physical switch.</para>
</listitem>
<listitem>
<para>Virtual Extensible Local Area Network (VXLAN) -
Virtual Extensible LAN is a network virtualization
technology that attempts to ameliorate the scalability
problems associated with large cloud computing
deployments. It uses a VLAN-like encapsulation
technique to encapsulate MAC-based OSI layer 2
Ethernet frames within layer 3 UDP packets.</para>
</listitem>
<listitem>
<para>Wide Area Network (WAN) - A wide area network is a
network that covers a broad area using leased or
private telecommunication lines.</para>
</listitem>
</itemizedlist>
</chapter>

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doc/arch-design/hybrid/section_architecture_hybrid.xml
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@ -157,7 +157,8 @@
<para>Security considerations, such as how data is secured <para>Security considerations, such as how data is secured
between client and endpoint and any traffic that between client and endpoint and any traffic that
traverses the multiple clouds, from eavesdropping to traverses the multiple clouds, from eavesdropping to
DoS activities must be addressed. Business and <glossterm baseform="denial of service (DoS)">DoS</glossterm>
activities must be addressed. Business and
regulatory requirements dictate the security approach regulatory requirements dictate the security approach
that needs to be taken.</para> that needs to be taken.</para>
</listitem> </listitem>

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doc/glossary/glossary-terms.xml
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@ -2325,6 +2325,20 @@
</glossdef> </glossdef>
</glossentry> </glossentry>
<glossentry>
<glossterm>denial of service (DoS)</glossterm>
<indexterm class="singular">
<primary>denial of service (DoS)</primary>
</indexterm>
<glossdef>
<para>
Denial of service (DoS) is a short form for
denial-of-service attack. This is a malicious attempt to
prevent legitimate users from using a service.
</para>
</glossdef>
</glossentry>
<glossentry> <glossentry>
<glossterm>deprecated auth</glossterm> <glossterm>deprecated auth</glossterm>
<indexterm class="singular"> <indexterm class="singular">