| Nicoles5Lics | Дата: Воскресенье, 03.08.2014, 16:43 | Сообщение # 1 |
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Группа: Гости
| In compare to the hardware (MAC, the deficient layer of the OSI model) IP lecture does not difficulty to explicitly label the piece or at a linger, either physically (exceptionally if he does not associated to the reach of the communal - is the address of untranslated or is dynamic). IP communication formality runs in the third layer of the model (the network layer), regardless of the media genre of the first layer. It trasowalny (routable), and as follows allows the routing which takes place is the third layer. To ensure the good fortune of the communication in this protocol is required to name IP addresses of network interfaces devices.
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MAC (Media Access Subdue) - acronym having a plurality of meanings in electronics and computer field:
In the evidence tie-up layer, said instant layer ideal, typically communicates with ARP and RARP protocol. The oldest entire indicates the third layer of the artifice tools lecture, the second allows you to specify the IP hail of the ruse with the experience of the tools address.
In compare to the ironmongery
The IP codes provides barely summon up an interface or a group of network interfaces in a network, on the other hand, does not ensure the loosely precision of information transmission. Auspices with the fourth in that the convey layer of the OSI scale model, which is used only repayment for this view allows, magnitude others, TCP in her acting. Seeking this motive created a supply of TCP / IP protocols comprise a syndication of these two protocols.
IP addresses are reach-me-down not lone online but also in district networks using TCP / IP. In the first place case it is assigned nearby your ISP, in the subsequent to valid his commission customarily takes care of its administrator.
In command to certify the uniqueness of the notice of the individual's communications system applies a unequalled mapping symbolic names to IP addresses (DNS concordat) allowing Internet users do not stress to about them and update. Respecting pattern, the address of 208.80.152.2 is currently leading network interface ploy / devices (cf. redundancy) serving services Wikipedia. To use this encyclopedia ethical easier to tip the names of wikipedia.org, which is translated into an IP talk in spite of DNS server (layers: the fifth, sixth and seventh OSI pattern, called severally the term,
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adresyfirm.org
MAC (Media Access Control) - acronym having a plurality of meanings in electronics and computer science:
sublayer of the matter link layer (Matter Relation Layer, DLL) in the OSI carve out
arms lecture of the network plan Ethernet and Marker Laurel-wreath, unparalleled in the earth, understood nearby the manufacturer of the use strategy act openly during production.
Sublayer of the data tie-in layer of the OSI model performs the following functions:
authority over of access to the despatch contrivance
care against errors
addressing the
flow control between the endpoint and network devices
filtering frames in disposal to trim propagation in LAN and MAN.
Address MAC (MAC oration) is a 48-bit and is written in hexadecimal (hex). The beforehand 24 bits are the network show-card fabricator, the residual 24 bits are a unequalled identifier of a imitation of the card. In requital for example, oration 00:0 A: E6: 3E: FD: E1 indicates that the be honest was produced close Elitegroup Computer Modus operandi Co.. (ECS) and the farmer gave her mob 3E: FD: E1. Every so often you can come across with an data that the MAC deliver is a 6-byte. Since 1 byte is 8 bits, so 6 bytes corresponds to 48 bits. The original 3 bytes (vendor pandect) means the manufacturer, the other 3 bytes depict oneself another (single) a copy of the card. Newer Ethernet cards allow you to modification the MAC accost accustomed to them.
There are silent MAC addresses equal for supply conduct, testing or unsocial an eye to coming drink
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