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would be a combination of locations, such as a neighborhood, town, city, or country. Some elements of a data address space may be the same, but if any element in the address is different, addresses in said space will reference different entities. For example, there could be multiple buildings at the
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to save and retrieve stored data, each datum must have an address where it can be located. The number of address spaces available depends on the underlying address structure, which is usually limited by the
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Address spaces are created by combining enough uniquely identified qualifiers to make an address unambiguous within the address space. For a person's physical address, the
225:, often forming numerous layers. This usually means that some higher-level address must be translated to lower-level ones in some way. For example, a
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space. It is possible that several numerically different virtual addresses all refer to one physical address and hence to the same physical byte of
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same address of "32 Main Street" but in different towns, demonstrating that different towns have different, although similarly arranged,
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maps its names to and from network-specific addresses (usually IP addresses), which in turn may be mapped to
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An address space usually provides (or allows) a partitioning to several regions according to the
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to various registries so each can manage their parts of the global
Internet address space.
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address due to the interface historical shortcomings. It is converted back to LBA by the
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of the partition's first sector address. Then, for a disk drive connected via
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Illustration of translation from logical block addressing to physical geometry
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defines a range of discrete addresses, each of which may correspond to a
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Uses of addresses include, but are not limited to the following:
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An iconic example of virtual-to-physical address translation is
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Virtual address space and physical address space relationship
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corresponds to a highest level translation table, e.g., a
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being used. Often an address space in a system with
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237:sector numbers, which have to be translated to
391:. Internet Assigned Numbers Authority (IANA).
221:Another common feature of address spaces are
113:, some nested domain hierarchies appear as a
194:Various kinds of network host addresses in
54:cell or other logical or physical entity.
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244:sector addresses, in simple cases, via
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252:, each of them must be converted to
395:from the original on April 30, 2010
131:Internet Assigned Numbers Authority
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109:. Like the hierarchical design of
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209:Address mapping and translation
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297:may also occur on the edge of
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1:
389:"IPv4 Address Space Registry"
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295:Network address translation
291:Address Resolution Protocol
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133:(IANA) allocates ranges of
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223:mappings and translations
202:Uniform resource locators
167:Device addresses on an
97:it has. In the case of
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289:network addresses via
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95:mathematical structure
431:Computer architecture
421:Computing terminology
326:virtual address space
311:
301:IP spaces, such as a
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115:directed ordered tree
64:computer architecture
263:, then, finally, to
257:cylinder-head-sector
123:directory structure
117:, such as with the
105:, these are simply
18:Address (computing)
344:physical address.
332:or to main memory
320:, where different
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305:and the Internet.
303:local area network
283:Domain Name System
219:
119:Domain Name System
359:Flat memory model
196:computer networks
160:, as well as for
158:memory-mapped I/O
59:software programs
44:peripheral device
27:Computing concept
16:(Redirected from
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334:physical address
204:in the Internet.
187:on a particular
150:Memory addresses
111:postal addresses
103:memory addresses
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426:Data management
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261:disk controller
233:operates using
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177:addressing for
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369:Virtualization
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36:address space
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399:September 1,
397:. Retrieved
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250:Parallel ATA
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231:logical disk
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135:IP addresses
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82:
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40:network host
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29:
227:file system
179:disk drives
154:main memory
99:total order
48:disk sector
415:Categories
375:References
287:link layer
185:File names
364:Namespace
330:page file
299:different
278:numbers.
125:. In the
101:, as for
32:computing
393:Archived
348:See also
268:cylinder
265:physical
246:addition
239:absolute
141:Examples
127:Internet
90:spaces.
254:logical
276:sector
235:linear
189:volume
175:Sector
129:, the
107:chunks
52:memory
322:pages
229:on a
121:or a
34:, an
401:2011
281:The
274:and
272:head
152:for
57:For
50:, a
338:RAM
324:of
242:LBA
74:in
30:In
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293:.
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20:)
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