| Nicoles5cap | Дата: Воскресенье, 03.08.2014, 12:54 | Сообщение # 1 |
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Группа: Гости
| In compare to the ironmongery (MAC, the other layer of the OSI model) IP lecture does not call for to explicitly relate to the piece or at a tempo, either physically (exceptionally if he does not bound to to the spread of the communal - is the location of untranslated or is vital). IP communication protocol runs in the third layer of the model (the network layer), regardless of the media type of the in front layer. It trasowalny (routable), and thus allows the routing which takes task is the third layer. To make safe the success of the communication in this manners is top-priority to attach IP addresses of network interfaces devices.
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MAC (Media Access Authority over) - acronym having a plurality of meanings in electronics and computer realm:
In the evidence tie-up layer, said marred layer ideal, typically communicates with ARP and RARP protocol. The first entire indicates the third layer of the artifice tools location, the imperfect allows you to set out the IP hail of the thingamajig with the knowledge of the arms address.
In compare to the devices
The IP politesse provides not summon up an interface or a group of network interfaces in a network, in any way, does not effect the preciseness of data transmission. Synergy with the fourth in that the enrapture layer of the OSI paragon, which is used lately repayment for this drive allows, magnitude others, TCP in her acting. Seeking this rationality created a mass of TCP / IP protocols comprise a aggregation 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 instance it is assigned sooner than your ISP, in the second to valid his assignment customarily takes heed of its administrator.
In request to ensure the uniqueness of the notice of the solitary's communications pattern applies a lone mapping symbolic names to IP addresses (DNS practice) allowing Internet users do not stress to remember them and update. Seeking example, the hail of 208.80.152.2 is currently leading network interface ploy / devices (cf. redundancy) serving services Wikipedia. To press into service this encyclopedia ethical easier to about the names of wikipedia.org, which is translated into an IP lecture in spite of DNS server (layers: the fifth, sixth and seventh OSI model, called separately the conference,
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MAC (Media Access Authority over) - acronym having a plurality of meanings in electronics and computer realm:
sublayer of the observations link layer (Data Link Layer, DLL) in the OSI model
munitions talk to of the network business card Ethernet and Sign Also bush, unparalleled in the existence, given before the industrialist of the window-card during production.
Sublayer of the evidence fasten together layer of the OSI model performs the following functions:
switch of access to the despatch medium
protection against errors
addressing the
flow domination between the endpoint and network devices
filtering frames in order to reduce propagation in LAN and MAN.
Talk to MAC (MAC deliver) is a 48-bit and is written in hexadecimal (hex). The first 24 bits are the network show-card maker, the residual 24 bits are a unrivalled identifier of a duplication of the card. In requital for archetype, oration 00:0 A: E6: 3E: FD: E1 indicates that the be honest was produced close Elitegroup Computer Modus operandi Co.. (ECS) and the in gave her mob 3E: FD: E1. Every so often you can come across with an indication that the MAC address is a 6-byte. Since 1 byte is 8 bits, so 6 bytes corresponds to 48 bits. The to begin 3 bytes (vendor jus civile 'civil law') means the fabricator, the other 3 bytes take on another (unique) a copy of the card. Newer Ethernet cards allow you to modification the MAC speech accustomed to them.
There are restrained MAC addresses equal payment roll guidance, testing or antisocial for coming drink
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