Switching Technique kya hai? Yesh kitne type ke hote hai or yeh kis kaam aati hai?

Swithching technique ka upyoog computer network ke dwara data ko dusre computer network ko bhej ne ke liye kiya jata hai. jab kisi data ko ek computer network se dusre computer network me bhejte he usse switch karna kehte hai. or is technique ko switching technique kehte hai. is technique ka upyog bade ister pe kiya jaata hai.


Switching techniques ke 4 prakar ke hoti hai . 

1. Circuit switching 

2. Packet switching 

3. Message switching 

4. Cell switching 

1. Circuit switching :-

Circuit switching me 2 device ko aapas me physical roop se jood diya jaata hai. isme giver device or receiver device ko aapas me jod diya jaata hai. yeh dono device physical roop me joode jaate hai. jis se dono device ke beech me ek communication channel ban sakhe or dono device ke beech communication ho sakhe . circuit switching ka upyoog telecom sector me kiya jaata hai. jis me data ko ko sender se receiver tak pahuchaya jaata hai. 

2. Packet switching :-

Packet switching me data to transfer karne ke liye dono device ko aapas me physical roop me joda nhi jata hai. jis se na hi dono device ke beech me koi channel banta hai. packet switching me data ko packet ke dwara bheja jaata hai. packet switching me data ko bhej ne ke liye sabhi data ka alag alag group banaya jaata he or un group ko alag alag bhago me baat dete he jise packet kehte hai. 

Packet switching me here bheje jaane wale packet ka ekk address hota hai. jis ke dwra in ko ekk nishchit jageh pe bhej diya jaata hai. or server dwara FCFS adhar pe le liya jaata hai.

3. Message switching :-

Message switching ka upyoog e mail , facebook aadi me kiya jaata hai. isme jab sender dwara data or message ko bheja jaata he uss massage me uska address bhi hota hai. or wo message server pe jaake store ho jaata he or jesse hi receiver uss message ko prapt karne ke liye taiyaar hota he to receiver ke pass message pahuch jaata hai

Is switching se yeh laabh he ki sender dwara message bhjne pe wo message server pe jaake store ho jaata he jis se sender ko bar bar message nhi bhejne padte he . or jee se hi receiver redy hota he uske pass message pahuch jaata hai . or yeh massage ko aap kisi bhi jageh se access kar sakhte hai. 

4. Cell switching :-

Cell switching me data ko packet switching ki tareh hi bheja jaata hai. cell switching ka upyoog ATM ( asynchronous transfer mode ) ke liye kiya jaata hai. jis prakar message switching se hum text message bhej sakhte he ussi tareh cell switching se voice ko bhej sakte hai. isme her cell ki ekk nishchit lambayi hoti he jo ki 53 bytes hai. cell switching mebhi data ko packet me baat diya jaata he or her packet ka ekk nishchit address hota hai. or usse receiver ko aage bhej diya jaata hai.



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