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Thread: Playstation®Network • Nat Types, Ports etc • |OT|

  1. #501
    PS4forums Addict Axilleas_GR's Avatar
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    Quote Originally Posted by rookie View Post
    Ôé åéíáé ðáëé áõôï?
    Ôé åßíáé ôï Fastpath êáé ôï Interleave ?


    Ìå ôï äéðëáóéáóìü áðü ôïí ÏÔÅ ôùí ôá÷õôÞôùí ðñüóâáóçò AÑÕÓ, üëï êáé ðéï óõ÷íÜ êÜðïéïé ðáñáðïíéïýíôáé üôé åíþ åßíáé éêáíïðïéçìÝíïé ìå ôçí ôá÷ýôçôá ôçò ãñáììÞò (bandwidth) âëÝðïõí áõîçìÝíïõò ÷ñüíïõò óôá pings. Áñêåôïß ... ðáñáôçñçôéêïß (êýñéï ðñïóüí ôïõ Åëëçíá)Þäç Ý÷ïõí åíôïðßóåé óôo status ôïõ modem ôïõò üôé åíþ ðñéí óôï upstream êáé downstream Þôáí óõã÷ñïíéóìÝíï óå FastPath ôþñá ëÝåé Interleave.

    O óêïðüò ôïõ tutorial åßíáé íá åîçãÞóåé ôé åßíáé ôï interleaving êáé ãéáôß ÷ñçóéìïðïéåßôáé.

    Ôï Interleaving åßíáé ìéá äéáäéêáóßá / ëåéôïõñãßá ðïõ åöáñìüæåôáé áíÜìåóá óôï DSLAM êáé óôï router/modem ìáò (CPE).

    Ôï Interleaving åßíáé ìéá ôå÷íéêÞ ðïõ åöáñìüæåôáé ÷áìçëÜ óôï åðßðåäï 1 (öõóéêü åðßðåäï) ôùí äéêôýùí (óôï bit stream êáé ü÷é óôá frames Þ ôá ðáêÝôá ôùí áíùôÝñù åðéðÝäùí)

    Óå áõôü ôï åðßðåäï ôá data bits (0 êáé 1) óôÝëíïíôáé ðÜíù óôçí öõóéêÞ ÷Üëêéíç ãñáììÞ ÏÔÅ. ÁõôÜ ôá bits ïõóéáóôéêÜ ðåñéÝ÷ïõí üëç ôçí øçöéáêÞ ðëçñïöïñßá ðïõ åìåßò áíôáëÜóóïõìå ìå ôï Internet.

    ÕðÜñ÷ïõí 2 óåíÜñéá ãéá íá ðåñÜóïõí áõôÜ ôá bits :

    á) ôï óåíÜñéï fast Þ (Non-interleaved) êáé

    â) ôï óåíÜñéï Interleaved.

    (ðáñáêÜôù üðïõ : Tx = Transmit = bits upstream; Rx = Receive = bits downstream)



    Fast:

    Tá data bits ðïõ óôÝëíïíôáé óôï öõóéêü åðßðåäï óôÝëíïíôáé üëá ìå ôçí êáíïíéêÞ óåéñÜ ôïõò ð.÷. :

    Tx & Rx Bit order (FastPath) : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

    Aí õðÜñ÷ïõí ëÜèç óôç ãñáììÞ ADSL áõôÜ óõíÞèùò óõìâáßíïõí óå äéáäï÷éêÜ bits ðïõ óôÝëíïíôáé ðÜíù óôçí ADSL ãñáììÞ ð.÷.

    TX & Rx Bit order (FastPath) : 1 2 3 x x x 7 8 9 10 11 12 13 14 15 16

    To DSL äïõëåýåé Ýôóé ðïõ ìðïñåß íá äéïñèþíåé ìå êáôÜëëçëï ôñüðï (åéäéêïýò êþäéêåò) áõôüìáôá åöüóïí ôá ëáíèáóìÝíá bits (x) äåí åßíáé äéáäï÷éêÜ. Äçë. ìðïñåß íá äéïñèþíåé ôï 1 x 2 x 3 4 áëëÜ ü÷é ôï 1 x x 2 3 4.

    Áñá ðáñáðÜíù ôï FastPath äåí èá ìðïñÝóåé íá óþóåé ôçí êáôÜóôáóç ìå áðïôÝëåóìá ôç äéüñèùóç ôçò êáôÜóôáóçò íá ôçí áíáëÜâåé áíþôåñï åðßðåäï ðáêÝôùí (ÉP) êáé íá Ý÷ïõìå ðéèáíüí retransmission.



    Interleaving:

    Hñèáí ëïéðüí êÜðïéïé ...ãÜôïé êáé åßðáí :

    Ãéáôß ôï bit stream íá ôï áöÞóïõìå íá Ý÷åé äéáäï÷éêÜ bits êáé íá êéíäõíåýïõìå üðùò óôï ðáñáðÜíù ðáñÜäåéãìá ; Èá êÜíïõìå interleaving (åíáëëáãÞ) êáé äå èá óôÝëíïõìå ôá Bits óôç óåéñÜ áëëÜ èá ôá áðïèçêåýóïõìå óå Ýíá buffer ðñïóùñéíÜ èá êÜíïõìå ìéá áëëáãÞ óôç óåéñÜ ôïõò (óôï ðáñáêÜôù ðáñÜäåéãìá .. ôóéìðÜìå êÜèå 8 Bit) êáé áõôÞ ôçí áëëáãìÝíç ìïñöÞ èá óðñþîïõìå íá ðåñÜóåé ôç ÷Üëêéíç ãñáììÞ ð.÷. üðùò ðáñáêÜôù :

    TX & Rx Bit order (Interleaved): 1 8 15 2 9 16 3 10 17 4 11 18 5 12 19 6

    Ôüôå áí óõìâåé ëÜèïò ðÜíù óôç ãñáììÞ êáé åðçñåÜóåé üðùò óôï ðáñáðÜíù ðáñÜäåéãìá 3 äéáäï÷éêÜ Bits èá åß÷áìå :

    TX & Rx Bit order (interleaved): 1 8 15 x x x 3 10 17 4 11 18 5 12 19 6

    ×Üèçêå äçë. ç ðëçñïöïñßá áðü ôá Bits 2 9 êáé 16 (äéáäï÷éêÜ bits áëëÜ óôïí áëëáãìÝíï óõñìü). Ïôáí üìùò ï ðáñáëÞðôçò (DSLAM Þ Modem äéêü ìáò) ôá îáíáâÜëåé óôç óåéñÜ (ëüãù Interleave), ôüôå âëÝðåôå üôé ôï bit stream èá åßíáé :

    1 x 3 4 5 6 7 8 x 10 11 12 13 14 15 x

    Üñá ôá ëáíèáóìÝíá bits äåí åßíáé ðéá äéáäï÷éêÜ Üñá ôï ADSL ìðïñåß íá ôá äéïñèþóåé.


    Ç ôå÷íéêÞ ëïéðüí åßíáé Ýîõðíç - áðëÜ ðñïêýðôåé èÝìá latency (÷ñüíïõ áðüêñéóóçò) üôáí ç ôå÷íéêÞ interleaving åöáñìüæåôáé. Êáé åßíáé áðüëõôá ëïãéêü íá åéóÜãåé êáèõóôÝñçóç ãéáôß ðñüêåéôáé ãéá "áðïèÞêåõóç" (buffering) êáé "åðåîåñãáóßá" (áëëáãÞ ôçò óåéñÜò ôùí bits) ôïõ øçöéáêïý óõñìïý. ÁõôÞ ç äéáäéêáóßá ëïéðüí ôùí äýï âçìÜôùí ìðïñåß íá åéóÜãåé 5 ìå 20 ms êáèõóôÝñçóç êáôÜ ôç ìåôÜäïóç. Áõôü âÝâáéá ãéá ôç ìéá êáôåýèõíóç. Ãéá Ýíá Ping (áëëÜ êáé ãéá êÜèå IP åðéêïéíùíßá ìáò) ëïéðüí ðïõ åßíáé round trip ôáîßäé ðáêÝôùí áõôü ðïëëáðëáóéÜæåôáé åðß äýï (Tx + Rx). Áñá ç ôåëéêÞ åðéâÜñõíóç ìðïñåß íá åßíáé áðü 10 - 40 ms.

    Ç óõ÷íüôçôá ìå ôçí ïðïßá ... ôóéìðÜìå ôá Bits åßíáé ôï Interleave Delay (áí êáé ìåôñéÝôáé óå ms)

    O áñéèìüò ôùí bits ðïõ åßíáé ìÝóá óå êÜèå block åßíáé ôï Interleave depth (âÜèïò).

    ÐáñáðÜíù óôï ðáñÜäåéãìá ìå ôïõò áñéèìïýò ôï âÜèïò åßíáé 3 êáé ôï delay 8 (óå bits êáé ü÷é óå ms âÝâáéá)

    H ðáñáðÜíù åðéâÜñõíóç åîáñôÜôáé Üìåóá áðü ôïí ôýðï ôïõ DSLAM. Êáðïéïé êáôáóêåõáóôÝò ôá êáôáöÝñíïõí êáëÜ - êÜðïéïé Üëëïé ü÷é.

    Ôï íá åöáñìüóåéò ôï interleaving óôï AÑÕÓ áõîÜíåé ôç óôáèåñüôçôá ôçò ãñáììÞò, êáé ðåñéïñßæåé ôéò áðïóõíäÝóåéò êáé ôéò ÷áìçëÝò ôá÷ýôçôåò êëåéäþìáôïò, üìùò óßãïõñá ôáëáéðùñåß ôïõò gamers ãéáôß åéóÜãåé Ýíôïíç êÜðïéåò öïñÝò êáèõóôÝñçóç.

    Ç ôå÷íéêÞ áñ÷éêïðïéåßôáé óôá DSLAM êáé ïé ðÜñï÷ïé ôçí åíåñãïðïéïýí ãéá íá õðÜñ÷ïõí ëéãüôåñá ðáñÜðïíá êáêþí óõíäÝóåùí áðü ôïõò ðåëÜôåò.
    Ðçãç:Adsl.gr
    Óå áðëÜ åëëçíéêÜ Ëõìðåñç.......

  2. #502
    Forum GOD djpar's Avatar
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    Ìå áðëÜ åëëçíéêÜ, ðáßñíåéò ôçëÝöùíï ôïí ÏÔÅ (ôï ðñïôåßíù åöüóïí Ý÷åéò vdsl áðü êáöáï) êáé æçôÜò fastpath, ìåôÜ áðü ìéóÞ þñá ðåñßðïõ èá ðÝóåé ôï Internet êáé üôáí îáíáíåâåé èá ðáò íá êÜíåéò Ýíá speedtest óôï ßäéï site êáé èá äåéò 4ms


  3. #503

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    Ðáéäéá ôï psn óôï download óÝñíåôáé. ÄéÜâáóá ôá ó÷ïëéá êáé âëåðù ðùò Ýôóé åéíáé óå ðïëëïýò. Äåí õðÜñ÷åé êÜðïéá ëõóç å; Åéíáé èåìá óåñâåñ ôçò sony?

    ÓôÜëèçêå áðü ôï SM-G935F ìïõ ÷ñçóéìïðïéþíôáò Tapatalk

  4. #504
    Forum GOD Christos33's Avatar
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    Óôï online ôá ðáé÷íßäéá äåí Ý÷åé èÝìá, óôï ðáñôõ ê ìçíýìáôá ôïí ôåëåõôáßï ìÞíá åßíáé óõ÷íÜ åêôüò.

    ÓôÜëèçêå áðü ôï F5321 ìïõ ÷ñçóéìïðïéþíôáò Tapatalk

    xbox:Christoforo7s

  5. #505
    Advanced Member Sergio's Avatar
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    Óôï ps4 åßìáé ìå nat type 3.Ï ïäçãüò óôçí ðñþôç óåëßäá ãéá ps3 åßíáé ßäéïò êáé ãéá ôï 4?Ôïí áêïëïõèþ Þ õðÜñ÷åé êÜðïéïò Üëëïò?Åõ÷áñéóôþ

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