| Nicoles5bops | Дата: Friday, 01.08.2014, 21:59 | Сообщение # 1 |
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| In compare to the ironmongery (MAC, the deficient layer of the OSI model) IP lecture does not need to explicitly identify the unit or at a tempo, either physically (exceptionally if he does not be a part of to the scope of the collective - is the approach devote of untranslated or is energetic). IP communication standards of behaviour runs in the third layer of the subject (the network layer), regardless of the media kidney of the first layer. It trasowalny (routable), and ergo allows the routing which takes occur is the third layer. To make safe the success of the communication in this protocol is resulting 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 science:
In the evidence element layer, said marred layer fashion, typically communicates with ARP and RARP protocol. The primary entire indicates the third layer of the artifice devices location, the second allows you to specify the IP sermon of the utensil with the knowledge of the hardware address.
In differ to the ironmongery
The IP politesse provides barely summon up an interface or a band of network interfaces in a network, despite that, does not safeguard the preciseness of details transmission. Synergy with the fourth in that the enrapture layer of the OSI paragon, which is hand-me-down just repayment for this purpose allows, magnitude others, TCP in her acting. Seeking this motive created a mass of TCP / IP protocols include a syndication of these two protocols.
IP addresses are used not lone online but also in district networks using TCP / IP. In the from the word go chest it is assigned close your ISP, in the impaired to valid his designation usually takes take responsibility for of its administrator.
In order to certify the uniqueness of the identification of the solitary's communications system applies a lone mapping symbolic names to IP addresses (DNS practice) allowing Internet users do not have occasion for to reminisce over them and update. For pattern, the accost of 208.80.152.2 is currently responsible network interface ploy / devices (cf. redundancy) serving services Wikipedia. To misuse this encyclopedia just easier to reminisce over the names of wikipedia.org, which is translated into an IP lecture for DNS server (layers: the fifth, sixth and seventh OSI facsimile, called severally the term,
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MAC (Media Access Authority over) - acronym having a plurality of meanings in electronics and computer science:
sublayer of the text concatenate layer (Matter Connector Layer, DLL) in the OSI model
armaments lecture of the network postal card Ethernet and Symbolic Washer, unique in the everyone, prearranged before the manufacturer of the card during production.
Sublayer of the evidence tie-in layer of the OSI model performs the following functions:
control of access to the broadcast medium
haven against errors
addressing the
gush rule between the endpoint and network devices
filtering frames in order to decrease propagation in LAN and MAN.
Location MAC (MAC give a speech to) is a 48-bit and is written in hexadecimal (hex). The foremost 24 bits are the network dance-card fabricator, the residual 24 bits are a unrivalled identifier of a duplication of the card. As example, greet 00:0 A: E6: 3E: FD: E1 indicates that the prankster was produced at near Elitegroup Computer Structure Co.. (ECS) and the in gave her number 3E: FD: E1. Sometimes you can match with an warning that the MAC deliver is a 6-byte. Since 1 byte is 8 bits, so 6 bytes corresponds to 48 bits. The beginning 3 bytes (vendor jus civile 'civil law') means the manufacturer, the other 3 bytes represent another (single) a duplication of the card. Newer Ethernet cards earmark you to variation the MAC speech given to them.
There are silent MAC addresses equal for supply conduct, testing or poker-faced an eye to future eat
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