ืคึผืจืึธื”ืึธืกื˜ืขืจ > ื‘ืœืึธื’ > ืึทื“ืžื™ื ื™ืกื˜ืจืึทืฆื™ืข > ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ื”ืงื“ืžื”

ื“ืขืจ ื‘ืึทื’ืจื™ืฃ ืคื•ืŸ ื‘ื•ื™ืขืŸ ืึท "ื“ื™ื’ื™ื˜ืึทืœ ืกืึทื‘ืกื˜ื™ื™ืฉืึทืŸ" ืื™ืŸ ื“ื™ ืขืœืขืงื˜ืจื™ืง ืžืึทื›ื˜ ืื™ื ื“ื•ืกื˜ืจื™ืข ืจื™ืงื•ื•ื™ื™ืขืจื– ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืžื™ื˜ ืึท ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ 1 ฮผs. ืคื™ื ืึทื ืฆื™ืขืœ ื˜ืจืึทื ื–ืึทืงืฉืึทื ื– ืื•ื™ืš ื“ืึทืจืคืŸ ืžื™ืงืจืึธืกืขืงืึธื ื“ ืึทืงื™ืขืจืึทืกื™. ืื™ืŸ ื“ื™ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื–, NTP ืฆื™ื™ื˜ ืึทืงื™ืขืจืึทืกื™ ืื™ื– ื ื™ื˜ ืžืขืจ ื’ืขื ื•ื’.

ื“ื™ PTPv2 ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ, ื“ื™ืกืงืจื™ื™ื‘ื“ ื“ื•ืจืš ื“ื™ IEEE 1588v2 ื ืึธืจืžืึทืœ, ืึทืœืึทื•ื– ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ ืขื˜ืœืขื›ืข ื˜ืขื ืก ืคื•ืŸ ื ืึทื ืึธืกืขืงืึธื ื“ืก. PTPv2 ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืฉื™ืงืŸ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืึทืงื™ืฅ ืื™ื‘ืขืจ L2 ืื•ืŸ L3 ื ืขื˜ื•ื•ืึธืจืงืก.

ื“ื™ ื”ื•ื™ืคึผื˜ ื’ืขื‘ื™ื˜ืŸ ื•ื•ื• PTPv2 ืื™ื– ื’ืขื ื™ืฆื˜ ื–ืขื ืขืŸ:

  • ืขื ืขืจื’ื™ืข;
  • ืงืึธื ื˜ืจืึธืœ ืื•ืŸ ืžืขืกื˜ืŸ ื•ื™ืกืจื™ื›ื˜;
  • ืžื™ืœื™ื˜ืขืจื™ืฉ-ืื™ื ื“ื•ืกื˜ืจื™ืขืœืข ืงืึธืžืคึผืœืขืงืก;
  • ื˜ืขืœืขืงืึธื;
  • ืคื™ื ืึทื ืฆื™ืขืœ ืกืขืงื˜ืึธืจ.

ื“ืขืจ ืคึผืึธืกื˜ืŸ ื“ืขืจืงืœืขืจื˜ ื•ื•ื™ ื“ื™ PTPv2 ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ ืึทืจื‘ืขื˜.

ืžื™ืจ ื”ืึธื‘ืŸ ืžืขืจ ื“ืขืจืคืึทืจื•ื ื’ ืื™ืŸ ืื™ื ื“ื•ืกื˜ืจื™ืข ืื•ืŸ ืึธืคื˜ ื–ืขืŸ ื“ืขื ืคึผืจืึธื˜ืึธืงืึธืœ ืื™ืŸ ืขื ืขืจื’ื™ืข ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื–. ื“ืขืจืคึฟืึทืจ, ืžื™ืจ ื•ื•ืขืœืŸ ื˜ืึธืŸ ื“ื™ ืจืขืฆืขื ื–ื™ืข ืžื™ื˜ ื•ื•ืึธืจืขื ืขืŸ ืคึฟืึทืจ ืขื ืขืจื’ื™ืข.

ืคืืจื•ื•ืืก ืื™ื– ืขืก ื ื™ื™ื˜ื™ืง?

ื“ืขืจื•ื•ื™ื™ึทืœ, STO 34.01-21-004-2019 ืคื•ืŸ PJSC Rosseti ืื•ืŸ STO 56947007-29.240.10.302-2020 ืคื•ืŸ PJSC FGC UES ืึทื ื˜ื”ืึทืœื˜ืŸ ืจืขืงื•ื•ื™ืจืขืžืขื ืฅ ืคึฟืึทืจ ืึธืจื’ืึทื ื™ื™ื–ื™ื ื’ ืึท ืคึผืจืึธืฆืขืก ื•ื™ื˜ืึธื‘ื•ืก ืžื™ื˜ ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ื“ื•ืจืš PTPv2.

ื“ืึธืก ืื™ื– ืจืขื›ื˜ ืฆื• ื“ืขื ืคืึทืงื˜ ืึทื– ืจืขืœืข ืฉื•ืฅ ื˜ืขืจืžื™ื ืึทืœืก ืื•ืŸ ืžืขืกื˜ืŸ ื“ื™ื•ื•ื™ื™ืกืึทื– ื–ืขื ืขืŸ ืงืึธื ื ืขืงื˜ืขื“ ืฆื• ื“ื™ ืคึผืจืึธืฆืขืก ื•ื™ื˜ืึธื‘ื•ืก, ื•ื•ืึธืก ื˜ืจืึทื ืกืžื™ืกื™ืข ื™ื ืกื˜ืึทื ื˜ืึทื ื™ืึทืก ืงืจืึทื ื˜ ืื•ืŸ ื•ื•ืึธื•ืœื˜ื™ื“ื–ืฉ ื•ื•ืึทืœื•ืขืก ื“ื•ืจืš ื“ื™ ืคึผืจืึธืฆืขืก ื•ื™ื˜ืึธื‘ื•ืก, ื ื™ืฆืŸ ื“ื™ ืึทื–ื•ื™ ื’ืขืจื•ืคืขื ืข ืกื•ื• ืกื˜ืจื™ืžื– (ืžื•ืœื˜ื™ืงืึทืกื˜ ืกื˜ืจื™ืžื–).

ืจืขืœืข ืฉื•ืฅ ื˜ืขืจืžื™ื ืึทืœืก ื ื•ืฆืŸ ื“ื™ ื•ื•ืึทืœื•ืขืก ืฆื• ื™ื ืกื˜ืจื•ืžืขื ื˜ ื‘ื•ื›ื˜ืข ืฉื•ืฅ. ืื•ื™ื‘ ื“ื™ ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ ืฆื™ื™ื˜ ืžืขื–ืฉืขืจืžืึทื ืฅ ืื™ื– ืงืœื™ื™ืŸ, ืขื˜ืœืขื›ืข ืคึผืจืึทื˜ืขืงืฉืึทื ื– ืงืขืŸ ืึทืจื‘ืขื˜ืŸ ืคืึทืœืฉ.

ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ื“ื™ืคืขื ืกื™ื– ืคื•ืŸ ืึทื‘ืกืึธืœื•ื˜ ืกืขืœืขืงื˜ื™ื•ื•ื™ื˜ื™ ืงืขืŸ ืคืึทืœืŸ ืงืึธืจื‘ืŸ ืฆื• "ืฉื•ื•ืึทืš" ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ. ืึธืคื˜ ื“ื™ ืœืึธื’ื™ืง ืคื•ืŸ ืึทื–ืึท ืคืึทืจื˜ื™ื™ื“ื™ืงื•ื ื’ ืื™ื– ื‘ืื–ื™ืจื˜ ืื•ื™ืฃ ืึท ืคืึทืจื’ืœื™ื™ึทืš ืคื•ืŸ ืฆื•ื•ื™ื™ ืงื•ื•ืึทื ื˜ืึทื˜ื™ื–. ืื•ื™ื‘ ื“ื™ ื•ื•ืึทืœื•ืขืก ื“ื™ื™ื•ื•ืขืจื“ื–ืฉ ืžื™ื˜ ืึท ื’ืขื ื•ื’ ื’ืจื•ื™ืก ื•ื•ืขืจื˜, ื“ื™ ืฉื•ืฅ ืื™ื– ื˜ืจื™ื’ืขืจื“. ืื•ื™ื‘ ื“ื™ ื•ื•ืึทืœื•ืขืก ื–ืขื ืขืŸ ื’ืขืžืืกื˜ืŸ ืžื™ื˜ ืึท ืฆื™ื™ื˜ ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ 1 ืžืก, ืื™ืจ ืงืขื ืขืŸ ื‘ืึทืงื•ืžืขืŸ ืึท ื’ืจื•ื™ืก ื—ื™ืœื•ืง ื•ื•ื• ื“ื™ ื•ื•ืึทืœื•ืขืก ื–ืขื ืขืŸ ืึทืงืฉืœื™ ื ืึธืจืžืึทืœ ืื•ื™ื‘ ื’ืขืžืืกื˜ืŸ ืžื™ื˜ ืึท ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ 1 ฮผs.

PTP ื•ื•ืขืจืกื™ืขืก

ื“ื™ PTP ืคึผืจืึธื˜ืึธืงืึธืœ ืื™ื– ื’ืขื•ื•ืขืŸ ืขืจื™ื“ื–ืฉื ืึทืœื™ ื“ื™ืกืงืจื™ื™ื‘ื“ ืื™ืŸ 2002 ืื™ืŸ ื“ื™ IEEE 1588-2002 ื ืึธืจืžืึทืœ ืื•ืŸ ืื™ื– ื’ืขืจื•ืคืŸ "ืกื˜ืึทื ื“ืึทืจื“ ืคึฟืึทืจ ืึท ืคึผืจืขืกื™ืกื™ืึธืŸ ื–ื™ื™ื’ืขืจ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ ืคึฟืึทืจ ื ืขื˜ื•ื•ืึธืจืง ืžืขืึทืกื•ืจืขืžืขื ื˜ ืื•ืŸ ืงืึธื ื˜ืจืึธืœ ืกื™ืกื˜ืขืžืขืŸ." ืื™ืŸ 2008, ื“ื™ ื“ืขืจื”ื™ื™ึทื ื˜ื™ืงื˜ IEEE 1588-2008 ื ืึธืจืžืึทืœ ืื™ื– ื‘ืืคืจื™ื™ื˜, ื•ื•ืึธืก ื‘ืืฉืจื™ื™ื‘ื˜ ืคึผื˜ืคึผ ื•ื•ืขืจืกื™ืข 2. ื“ื™ ื•ื•ืขืจืกื™ืข ืคื•ืŸ โ€‹โ€‹ื“ื™ ืคึผืจืึธื˜ืึธืงืึธืœ ื™ืžืคึผืจื•ื•ื•ื“ ืึทืงื™ืขืจืึทืกื™ ืื•ืŸ ืคืขืกื˜ืงื™ื™ึทื˜, ืึธื‘ืขืจ ื”ืื˜ ื ื™ืฉื˜ ื”ืึทืœื˜ืŸ ืฆื•ืจื™ืง ืงืึทืžืคึผืึทื˜ืึทื‘ื™ืœืึทื˜ื™ ืžื™ื˜ ื“ืขืจ ืขืจืฉื˜ืขืจ ื•ื•ืขืจืกื™ืข ืคื•ืŸ โ€‹โ€‹ื“ืขื ืคึผืจืึธื˜ืึธืงืึธืœ. ืื•ื™ืš, ืื™ืŸ 2019, ืึท ื•ื•ืขืจืกื™ืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ื“ื™ IEEE 1588-2019 ื ืึธืจืžืึทืœ ืื™ื– ื‘ืืคืจื™ื™ื˜, ื“ื™ืกืงืจื™ื™ื‘ื™ื ื’ PTP v2.1. ื“ื™ ื•ื•ืขืจืกื™ืข ืžื•ืกื™ืฃ ืžื™ื ืขืจื•ื•ืขืจื˜ื™ืง ื™ืžืคึผืจื•ื•ื•ืžืึทื ืฅ ืฆื• PTPv2 ืื•ืŸ ืื™ื– ืงืึทืคึผื•ื™ืขืจ ืงืึทืžืคึผืึทื˜ืึทื‘ืึทืœ ืžื™ื˜ PTPv2.

ืื™ืŸ ืื ื“ืขืจืข ื•ื•ืขืจื˜ืขืจ, ืžื™ืจ ื”ืึธื‘ืŸ ื“ื™ ืคืืœื’ืขื ื“ืข ื‘ื™ืœื“ ืžื™ื˜ ื•ื•ืขืจืกื™ืขืก:

PTPv1
(IEEE 1588-2002)

PTPv2
(IEEE 1588-2008)

PTPv2.1
(IEEE 1588-2019)

PTPv1 (IEEE 1588-2002)

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ื™ื ืงืึทืžืคึผืึทื˜ืึทื‘ืึทืœ

ื™ื ืงืึทืžืคึผืึทื˜ืึทื‘ืึทืœ

PTPv2 (IEEE 1588-2008)

ื™ื ืงืึทืžืคึผืึทื˜ืึทื‘ืึทืœ

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ืฆื™ื’ืœื™ื™ืš

PTPv2.1 (IEEE 1588-2019)

ื™ื ืงืึทืžืคึผืึทื˜ืึทื‘ืึทืœ

ืฆื™ื’ืœื™ื™ืš

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ืึธื‘ืขืจ, ื•ื•ื™ ืฉื˜ืขื ื“ื™ืง, ืขืก ื–ืขื ืขืŸ ื ื•ืึทื ืกื™ื–.

ื™ื ืงืึทืžืคึผืึทื˜ืึทื‘ื™ืœืึทื˜ื™ ืฆื•ื•ื™ืฉืŸ PTPv1 ืื•ืŸ PTPv2 ืžื™ื˜ืœ ืึทื– ืึท PTPv1-ืขื ื™ื™ื‘ืึทืœื“ ืžื™ื˜ืœ ื•ื•ืขื˜ ื ื™ืฉื˜ ืงืขื ืขืŸ ืฆื• ืกื™ื ื’ืงืจืึทื ื™ื™ื– ืžื™ื˜ ืึท ืคึผื™ื ื˜ืœืขืš ื–ื™ื™ื’ืขืจ ืคืœื™ืกื ื“ื™ืง ืื•ื™ืฃ PTPv2. ื–ื™ื™ ื ื•ืฆืŸ ืคืึทืจืฉื™ื“ืขื ืข ืึธื ื–ืึธื’ ืคึฟืึธืจืžืึทื˜ื™ืจื•ื ื’ืขืŸ ืฆื• ืกื™ื ื’ืงืจืึทื ื™ื™ื–.

ืึธื‘ืขืจ ืขืก ืื™ื– ื ืึธืš ืžืขื’ืœืขืš ืฆื• ืคืึทืจื‘ื™ื ื“ืŸ ื“ืขื•ื•ื™ืกืขืก ืžื™ื˜ PTPv1 ืื•ืŸ ื“ืขื•ื•ื™ืกืขืก ืžื™ื˜ PTPv2 ืื•ื™ืฃ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ื ืขืฅ. ืฆื• ื“ืขืจื’ืจื™ื™ื›ืŸ ื“ืขื, ืขื˜ืœืขื›ืข ืžืึทื ื™ืึทืคืึทืงื˜ืฉืขืจืขืจื– ืœืึธื–ืŸ ืื™ืจ ืฆื• ืกืขืœืขืงื˜ื™ืจืŸ ื“ืขื ืคึผืจืึธื˜ืึธืงืึธืœ ื•ื•ืขืจืกื™ืข ืื•ื™ืฃ ื“ื™ ื‘ืจืขื’ ื–ื™ื™ื’ืขืจ ืคึผืึธืจืฅ. ืึทื– ืื™ื–, ืึท ื’ืจืขื ืขืฅ ื–ื™ื™ื’ืขืจ ืงืขื ืขืŸ ืกื™ื ื’ืงืจืึทื ื™ื™ื– ื ื™ืฆืŸ PTPv2 ืื•ืŸ ื ืึธืš ืกื™ื ื’ืงืจืึทื ื™ื™ื– ืื ื“ืขืจืข ืงืœืึทืงืก ืคืืจื‘ื•ื ื“ืŸ ืฆื• ืขืก ื ื™ืฆืŸ ื‘ื™ื™ื“ืข PTPv1 ืื•ืŸ PTPv2.

PTP ื“ืขื•ื•ื™ืกืขืก. ื•ื•ืึธืก ื–ืขื ืขืŸ ื–ื™ื™ ืื•ืŸ ื•ื•ื™ ื–ืขื ืขืŸ ื–ื™ื™ ืึทื ื“ืขืจืฉ?

ื“ื™ IEEE 1588v2 ื ืึธืจืžืึทืœ ื‘ืืฉืจื™ื™ื‘ื˜ ืขื˜ืœืขื›ืข ื˜ื™ื™ืคึผืก ืคื•ืŸ ื“ืขื•ื•ื™ืกืขืก. ืึทืœืข ืคื•ืŸ โ€‹โ€‹ื–ื™ื™ ื–ืขื ืขืŸ ื’ืขื•ื•ื™ื–ืŸ ืื™ืŸ ื“ื™ ื˜ื™ืฉ.

ื“ื™ ื“ืขื•ื•ื™ืกืขืก ื™ื‘ืขืจื’ืขื‘ืŸ ืžื™ื˜ ื™ืขื“ืขืจ ืื ื“ืขืจืข ืื™ื‘ืขืจ ืึท ืœืึทืŸ ื ื™ืฆืŸ PTP.

ืคึผื˜ืคึผ ื“ืขื•ื•ื™ืกืขืก ื–ืขื ืขืŸ ื’ืขืจื•ืคืŸ ื–ื™ื™ื’ืขืจืก. ืึทืœืข ื•ื•ืึทื˜ืฉื™ื– ื ืขืžืขืŸ ื“ื™ ืคึผื™ื ื˜ืœืขืš ืฆื™ื™ื˜ ืคื•ืŸ ื“ื™ ื’ืจืึทื ื“ืžืึทืกื˜ืขืจ ื•ื•ืึทืš.

ืขืก ื–ืขื ืขืŸ 5 ื˜ื™ื™ืคึผืก ืคื•ืŸ ื•ื•ืึทื˜ืฉื™ื–:

ื’ืจืึทื ื“ืžืึทืกื˜ืขืจ ื–ื™ื™ื’ืขืจ

ื“ืขืจ ื”ื•ื™ืคึผื˜ ืžืงื•ืจ ืคื•ืŸ ืคึผื™ื ื˜ืœืขืš ืฆื™ื™ื˜. ืึธืคื˜ ื™ืงื•ื•ื™ืคึผื˜ ืžื™ื˜ ืึท ืฆื•ื‘ื™ื ื“ ืคึฟืึทืจ ืงืึทื ืขืงื˜ื™ื ื’ ื’ืคึผืก.

ืคึผืจืึธืกื˜ ื–ื™ื™ื’ืขืจ

ื ืื™ื™ืŸ ืคึผืึธืจื˜ ืžื™ื˜ืœ ื•ื•ืึธืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืึท ื‘ืขืœ (ื‘ืขืœ ื–ื™ื™ื’ืขืจ) ืึธื“ืขืจ ืฉืงืœืึทืฃ (ืฉืœืึทื•ื•ืข ื–ื™ื™ื’ืขืจ)

ื‘ืขืœ ื–ื™ื™ื’ืขืจ (ื‘ืขืœ ื–ื™ื™ื’ืขืจ)

ื–ื™ื™ ื–ืขื ืขืŸ ื“ื™ ืžืงื•ืจ ืคื•ืŸ ื“ื™ ืคึผื™ื ื˜ืœืขืš ืฆื™ื™ื˜ ื“ื•ืจืš ื•ื•ืึธืก ืื ื“ืขืจืข ืงืœืึทืงืก ื–ืขื ืขืŸ ืกื™ื ื’ืงืจืึทื ื™ื™ื–ื“

ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ

ืกื•ืฃ ืžื™ื˜ืœ ื•ื•ืึธืก ืื™ื– ืกื™ื ื’ืงืจืึทื ื™ื™ื–ื“ ืคึฟื•ืŸ ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ

ื’ืจืขื ืขืฅ ื–ื™ื™ื’ืขืจ

ื ืžื™ื˜ืœ ืžื™ื˜ ืงื™ื™ืคืœ ืคึผืึธืจืฅ ื•ื•ืึธืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืึท ื‘ืขืœ ืึธื“ืขืจ ืึท ืฉืงืœืึทืฃ.

ื“ืึธืก ื”ื™ื™ืกื˜, ื“ื™ ื–ื™ื™ื’ืขืจืก ืงืขื ืขืŸ ืกื™ื ื’ืงืจืึทื ื™ื™ื–ื™ืจืŸ ืคื•ืŸ ื“ื™ ื”ืขื›ืขืจ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื•ืŸ ืกื™ื ื’ืงืจืึทื ื™ื™ื– ื“ื™ ื ื™ื“ืขืจื™ืงืขืจ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ.

ืกื•ืฃ-ืฆื•-ืกื•ืฃ ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ื–ื™ื™ื’ืขืจ

ื ืžื™ื˜ืœ ืžื™ื˜ ืงื™ื™ืคืœ ืคึผืึธืจืฅ ื•ื•ืึธืก ืื™ื– ื ื™ื˜ ืึท ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื•ืŸ ื ื™ื˜ ืึท ืฉืงืœืึทืฃ. ืขืก ื˜ืจืึทื ื–ืžื™ืฅ ืคึผื˜ืคึผ ื“ืึทื˜ืŸ ืฆื•ื•ื™ืฉืŸ ืฆื•ื•ื™ื™ ื•ื•ืึทื˜ืฉื™ื–.

ื•ื•ืขืŸ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ื“ืึทื˜ืŸ, ื“ื™ ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ื–ื™ื™ื’ืขืจ ืงืขืจืขืงืฅ ืึทืœืข ืคึผื˜ืคึผ ืึทืจื˜ื™ืงืœืขืŸ.

ื“ื™ ืงืขืจืขืงืฉืึทืŸ ืึทืงืขืจื– ื“ื•ืจืš ืึทื“ื™ื ื’ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืฆื™ื™ื˜ ืื•ื™ืฃ ื“ืขื ืžื™ื˜ืœ ืฆื• ื“ื™ ืงืขืจืขืงืฉืึทืŸ ืคืขืœื“ ืื™ืŸ ื“ื™ ื›ืขื“ืขืจ ืคื•ืŸ ื“ื™ ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืึธื ื–ืึธื’.

ื™ื™ึทื ืงื•ืงื -ืฆื•-ื™ื™ึทื ืงื•ืงื  ื˜ืจืึทื ืกืคึผืึทืจืขื ื˜ ื–ื™ื™ื’ืขืจ

ื ืžื™ื˜ืœ ืžื™ื˜ ืงื™ื™ืคืœ ืคึผืึธืจืฅ ื•ื•ืึธืก ืื™ื– ื ื™ื˜ ืึท ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื•ืŸ ื ื™ื˜ ืึท ืฉืงืœืึทืฃ.
ืขืก ื˜ืจืึทื ื–ืžื™ืฅ ืคึผื˜ืคึผ ื“ืึทื˜ืŸ ืฆื•ื•ื™ืฉืŸ ืฆื•ื•ื™ื™ ื•ื•ืึทื˜ืฉื™ื–.

ื•ื•ืขืŸ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ื“ืึทื˜ืŸ, ื“ื™ ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ื–ื™ื™ื’ืขืจ ืงืขืจืขืงืฅ ืึทืœืข PTP ืึทืจื˜ื™ืงืœืขืŸ Sync ืื•ืŸ Follow_Up (ืžืขืจ ื•ื•ืขื’ืŸ ื–ื™ื™ ืื•ื ื˜ืŸ).

ื“ื™ ืงืขืจืขืงืฉืึทืŸ ืื™ื– ืึทื˜ืฉื™ื•ื•ื“ ื“ื•ืจืš ืึทื“ื™ื ื’ ืฆื• ื“ื™ ืงืขืจืขืงืฉืึทืŸ ืคืขืœื“ ืคื•ืŸ ื“ื™ ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืคึผืึทืงืึทื˜ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืื•ื™ืฃ ื“ื™ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ืžื™ื˜ืœ ืื•ืŸ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืื•ื™ืฃ ื“ื™ ื“ืึทื˜ืŸ ื˜ืจืึทื ืกืžื™ืกื™ืข ืงืึทื ืึทืœ.

ืคืึทืจื•ื•ืึทืœื˜ื•ื ื’ ื ืึธื“ืข

ื ืžื™ื˜ืœ ื•ื•ืึธืก ืงืึทื ืคื™ื’ื™ืขืจ ืื•ืŸ ื“ื™ืึทื’ื ืึธืกื™ื– ืื ื“ืขืจืข ื•ื•ืึทื˜ืฉื™ื–

ื‘ืขืœ ืื•ืŸ ืฉืงืœืึทืฃ ืงืœืึทืงืก ื–ืขื ืขืŸ ืกื™ื ื’ืงืจืึทื ื™ื™ื–ื“ ืžื™ื˜ ื˜ื™ืžืขืกื˜ืึทืžืคึผืก ืื™ืŸ ืคึผื˜ืคึผ ืึทืจื˜ื™ืงืœืขืŸ. ืขืก ื–ืขื ืขืŸ ืฆื•ื•ื™ื™ ื˜ื™ื™ืคึผืก ืคื•ืŸ ืึทืจื˜ื™ืงืœืขืŸ ืื™ืŸ ื“ื™ PTP ืคึผืจืึธื˜ืึธืงืึธืœ:

  • ืขื•ื•ืขื ื˜ ืžืขืกืขื“ื–ืฉืขืก ื–ืขื ืขืŸ ืกื™ื ื’ืงืจืึทื ื™ื™ื–ื“ ืึทืจื˜ื™ืงืœืขืŸ ื•ื•ืึธืก ืึทืจื™ื™ึทื ืฆื™ืขืŸ ื“ื–ืฉืขื ืขืจื™ื™ื˜ื™ื ื’ ืึท ื˜ื™ืžืขืกื˜ืึทืžืคึผ ืื™ืŸ ื“ืขืจ ืฆื™ื™ื˜ ื•ื•ืขืŸ ื“ืขืจ ืึธื ื–ืึธื’ ืื™ื– ื’ืขืฉื™ืงื˜ ืื•ืŸ ืื™ืŸ ื“ืขืจ ืฆื™ื™ื˜ ืขืก ืื™ื– ื‘ืืงื•ืžืขืŸ.
  • ืึทืœื’ืขืžื™ื™ื ืข ืึทืจื˜ื™ืงืœืขืŸ - ื“ื™ ืึทืจื˜ื™ืงืœืขืŸ ื˜ืึธืŸ ื ื™ื˜ ื“ืึทืจืคืŸ ืฆื™ื™ื˜ ืกื˜ืึทืžืคึผืก, ืึธื‘ืขืจ ืงืขืŸ ืึทื ื˜ื”ืึทืœื˜ืŸ ืฆื™ื™ื˜ ืกื˜ืึทืžืคึผืก ืคึฟืึทืจ ืคึฟืึทืจื‘ื•ื ื“ืขื ืข ืึทืจื˜ื™ืงืœืขืŸ

ื’ืขืฉืขืขื ื™ืฉ ืึทืจื˜ื™ืงืœืขืŸ

ืึทืœื’ืขืžื™ื™ื ืข ืึทืจื˜ื™ืงืœืขืŸ

ืกื™ื ืง
Delay_Req
Pdelay_Req
Pdelay_Resp

ืžืขืœื“ืŸ
Follow_Up
Delay_Resp
Pdelay_Resp_Follow_Up
ืึทื“ืžื™ื ื™ืกื˜ืจืึทืฆื™ืข
ืกื™ื’ื ืึทืœื™ื ื’

ืึทืœืข ื˜ื™ื™ืคึผืก ืคื•ืŸ ืึทืจื˜ื™ืงืœืขืŸ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื“ื™ืกืงืึทืกื˜ ืื™ืŸ ืžืขืจ ื“ืขื˜ืึทืœ ืื•ื ื˜ืŸ.

ื™ืงืขืจื“ื™ืง ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื‘ืœืขืžืก

ื•ื•ืขืŸ ืึท ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืึทืงืึทื˜ ืื™ื– ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืื™ื‘ืขืจ ืึท ื”ื™ื’ืข ื ืขืฅ, ืขืก ืื™ื– ื“ื™ืœื™ื™ื“ ื‘ื™ื™ ื“ื™ ื‘ืึทืฉื˜ื™ืžืขืŸ ืื•ืŸ ืื™ืŸ ื“ื™ ื“ืึทื˜ืŸ ืœื™ื ืง. ื™ืขื“ืขืจ ื‘ืึทืฉื˜ื™ืžืขืŸ ื•ื•ืขื˜ ืคึผืจืึธื“ื•ืฆื™ืจืŸ ืึท ืคืึทืจื”ืึทืœื˜ืŸ ืคื•ืŸ ื•ื•ืขื’ืŸ 10 ืžื™ืงืจืึธืกืขืงืึธื ื“ืก, ื•ื•ืึธืก ืื™ื– ืึทื ืึทืงืกืขืคึผื˜ืึทื‘ืึทืœ ืคึฟืึทืจ PTPv2. ื ืึธืš ืึทืœืข, ืžื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ื“ืขืจื’ืจื™ื™ื›ืŸ ืึท ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ 1 ฮผs ืื•ื™ืฃ ื“ื™ ืœืขืฆื˜ ืžื™ื˜ืœ. (ื“ืึธืก ืื™ื– ืื•ื™ื‘ ืžื™ืจ ื–ืขื ืขืŸ ื’ืขืจืขื“ื˜ ื•ื•ืขื’ืŸ ืขื ืขืจื’ื™ืข. ืื ื“ืขืจืข ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื– ืงืขืŸ ื“ืึทืจืคืŸ ืึท ื’ืจืขืกืขืจืข ืึทืงื™ืขืจืึทืกื™.)

IEEE 1588v2 ื‘ืืฉืจื™ื™ื‘ื˜ ืขื˜ืœืขื›ืข ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ืึทืœื’ืขืจื™ื“ืึทืžื– ื•ื•ืึธืก ืœืึธื–ืŸ ืื™ืจ ืฆื• ืจืขืงืึธืจื“ื™ืจืŸ ื“ื™ ืฆื™ื™ื˜ ืคืึทืจื”ืึทืœื˜ืŸ ืื•ืŸ ืคืึทืจืจื™ื›ื˜ืŸ ืขืก.

ืึทืจื‘ืขื˜ ืึทืœื’ืขืจื™ื“ืึทื
ื‘ืขืฉืึทืก ื ืึธืจืžืึทืœ ืึธืคึผืขืจืึทืฆื™ืข, ื“ืขืจ ืคึผืจืึธื˜ืึธืงืึธืœ ืึทืคึผืขืจื™ื™ืฅ ืื™ืŸ ืฆื•ื•ื™ื™ ืคื™ื™ื–ืึทื–.

  • ืคืึทืกืข 1 - ื’ืจื™ื ื“ืŸ ื“ื™ ื›ื™ื™ืขืจืึทืจืงื™ "ื”ืืจ ื–ื™ื™ื’ืขืจ - ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ".
  • ืคืึทืกืข 2 - ื–ื™ื™ื’ืขืจ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ื ื™ืฆืŸ ืึท ืกื•ืฃ-ืฆื•-ืกื•ืฃ ืึธื“ืขืจ ื™ื™ึทื ืงื•ืงื -ืฆื•-ื™ื™ึทื ืงื•ืงื  ืžืขืงืึทื ื™ื–ืึทื.

ืคืึทืกืข 1 - ื’ืจื™ื ื“ืŸ ื“ื™ ื”ืืจ-ืฉืœืึทื•ื•ืข ื›ื™ื™ืขืจืึทืจืงื™

ื™ืขื“ืขืจ ืคึผืึธืจื˜ ืคื•ืŸ ืึท ืจืขื’ื•ืœืขืจ ืึธื“ืขืจ ื‘ืจืขื’ ื–ื™ื™ื’ืขืจ ื”ืื˜ ืึท ื–ื™ื›ืขืจ ื ื•ืžืขืจ ืคื•ืŸ ืฉื˜ืึทื˜ืŸ (ืฉืœืึทื•ื•ืข ื–ื™ื™ื’ืขืจ ืื•ืŸ ื‘ืขืœ ื–ื™ื™ื’ืขืจ). ื“ืขืจ ื ืึธืจืžืึทืœ ื‘ืืฉืจื™ื™ื‘ื˜ ื“ื™ ื™ื‘ืขืจื’ืึทื ื’ ืึทืœื’ืขืจื™ื“ืึทื ืฆื•ื•ื™ืฉืŸ ื“ื™ ืฉื˜ืึทื˜ืŸ. ืื™ืŸ ืคึผืจืึธื’ืจืึทืžืžื™ื ื’, ืึทื–ืึท ืึท ืึทืœื’ืขืจื™ื“ืึทื ืื™ื– ื’ืขืจื•ืคืŸ ืึท ืขื ื“ืœืขืš ืฉื˜ืึทื˜ ืžืึทืฉื™ืŸ ืึธื“ืขืจ ืฉื˜ืึทื˜ ืžืึทืฉื™ืŸ (ืžืขืจ ืคึผืจื˜ื™ื ืื™ืŸ ื•ื•ื™ืงื™).

ื“ืขืจ ืฉื˜ืึทื˜ ืžืึทืฉื™ืŸ ื ื™ืฆื˜ ื“ื™ ื‘ืขืกื˜ืขืจ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืึทืœื’ืขืจื™ื“ืึทื (BMCA) ืฆื• ืฉื˜ืขืœืŸ ื“ื™ ื‘ืขืœ ื•ื•ืขืŸ ืงืึทื ืขืงื˜ื™ื ื’ ืฆื•ื•ื™ื™ ืงืœืึทืงืก.

ื“ืขืจ ืึทืœื’ืขืจื™ื“ืึทื ืึทืœืึทื•ื– ื“ื™ ื•ื•ืึทืš ืฆื• ื ืขืžืขืŸ ืื™ื‘ืขืจ ื“ื™ ืจื™ืกืคึผืึทื ืกืึทื‘ื™ืœืึทื˜ื™ื– ืคื•ืŸ ื“ื™ ื’ืจืึทื ื“ืžืึทืกื˜ืขืจ ื•ื•ืึทืš ื•ื•ืขืŸ ื“ื™ ืึทืคึผืกื˜ืจื™ื ื’ืจืึทื ื“ืžืึทืกื˜ืขืจ ื•ื•ืึทืš ืคืืจืœื™ืจื˜ ื’ืคึผืก ืกื™ื’ื ืึทืœ, ื’ื™ื™ื˜ ืึธืคืคืœื™ื ืข, ืขื˜ืง.

ืฉื˜ืึทื˜ ื˜ืจืึทื ื–ื™ืฉืึทื ื– ืœื•ื™ื˜ ื“ื™ BMCA ื–ืขื ืขืŸ ืกืึทืžืขืจื™ื™ื–ื“ ืื™ืŸ ื“ื™ ืคืืœื’ืขื ื“ืข ื“ื™ืึทื’ืจืึทืžืข:
ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ื™ ื•ื•ืึทืš ืื•ื™ืฃ ื“ื™ ืื ื“ืขืจืข ืขืง ืคื•ืŸ ื“ื™ "ื“ืจืึธื˜" ืื™ื– ื’ืขืฉื™ืงื˜ ืื™ืŸ ืึท ืกืคึผืขืฆื™ืขืœ ืึธื ื–ืึธื’ (ืžืขืœื“ืŸ ืึธื ื–ืึธื’). ืึทืžืึธืœ ื“ื™ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืื™ื– ื‘ืืงื•ืžืขืŸ, ื“ื™ ืฉื˜ืึทื˜ ืžืึทืฉื™ืŸ ืึทืœื’ืขืจื™ื“ืึทื ืœื•ื™ืคื˜ ืื•ืŸ ืึท ืคืึทืจื’ืœื™ื™ึทืš ืื™ื– ื’ืขืžืื›ื˜ ืฆื• ื–ืขืŸ ื•ื•ืึธืก ื–ื™ื™ื’ืขืจ ืื™ื– ื‘ืขืกืขืจ. ื“ืขืจ ืคึผืึธืจื˜ ืื•ื™ืฃ ื“ืขืจ ื‘ืขืกื˜ืขืจ ื•ื•ืึทืš ื•ื•ืขืจื˜ ื“ืขืจ ื‘ืขืœ ื•ื•ืึทืš.

ื ืคึผืฉื•ื˜ ื›ื™ื™ืขืจืึทืจืงื™ ืื™ื– ื’ืขื•ื•ื™ื–ืŸ ืื™ืŸ ื“ื™ ื“ื™ืึทื’ืจืึทืžืข ืื•ื ื˜ืŸ. ืคึผืึทื˜ืก 1, 2, 3, 4, 5 ืงืขืŸ ืึทื ื˜ื”ืึทืœื˜ืŸ ืึท ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ื–ื™ื™ื’ืขืจ, ืึธื‘ืขืจ ื–ื™ื™ ื˜ืึธืŸ ื ื™ื˜ ืึธื ื˜ื™ื™ืœ ื ืขืžืขืŸ ืื™ืŸ ื’ืจื™ื ื“ืŸ ื“ื™ ื›ื™ื™ืขืจืึทืจืงื™ ืคื•ืŸ ื‘ืขืœ ื–ื™ื™ื’ืขืจ - ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืคืึทืกืข 2 - ืกื™ื ื˜ืฉืจืึธื ื™ื–ืข ืจืขื’ื•ืœืขืจ ืื•ืŸ ื‘ืจืขื’ ืงืœืึทืงืก

ื’ืœื™ื™ืš ื ืึธืš ื’ืจื™ื ื“ืŸ ื“ื™ "ื”ืืจ ื–ื™ื™ื’ืขืจ - ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ" ื›ื™ื™ืขืจืึทืจืงื™, ื“ื™ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคืึทืกืข ืคื•ืŸ โ€‹โ€‹ืจืขื’ื•ืœืขืจ ืื•ืŸ ื’ืจืขื ืขืฅ ืงืœืึทืงืก ื”ื™ื™ื‘ื˜.

ืฆื• ืกื™ื ื’ืงืจืึทื ื™ื™ื–, ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืกืขื ื“ื– ืึท ืึธื ื–ืึธื’ ืžื™ื˜ ืึท ืฆื™ื™ื˜ ืกื˜ืึทืžืคึผ ืฆื• ื“ื™ ืฉืงืœืึทืฃ ืงืœืึทืงืก.

ื“ืขืจ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืงืขืŸ ื–ื™ื™ืŸ:

  • ืื™ื™ืŸ ื‘ื™ื ืข;
  • ืฆื•ื•ื™ื™-ื‘ื™ื ืข.

ืื™ื™ืŸ-ื‘ื™ื ืข ืงืœืึทืงืก ืฉื™ืงืŸ ืื™ื™ืŸ ืกื™ื ืง ืึธื ื–ืึธื’ ืฆื• ืกื™ื ื’ืงืจืึทื ื™ื™ื–.

ื ืฆื•ื•ื™ื™-ื‘ื™ื ืข ื–ื™ื™ื’ืขืจ ื ื™ืฆื˜ ืฆื•ื•ื™ื™ ืึทืจื˜ื™ืงืœืขืŸ ืคึฟืึทืจ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ - Sync ืื•ืŸ Follow_Up.

ืฆื•ื•ื™ื™ ืžืขืงืึทื ื™ื–ืึทืžื– ืงืขื ืขืŸ ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืคึฟืึทืจ ื“ื™ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคืึทืกืข:

  • ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขื˜ืŸ-ืขื ื˜ืคืขืจ ืžืขืงืึทื ื™ื–ืึทื.
  • ื™ื™ึทื ืงื•ืงื  ืคืึทืจื”ืึทืœื˜ืŸ ืžืขื–ืฉืขืจืžืึทื ื˜ ืžืขืงืึทื ื™ื–ืึทื.

ืขืจืฉื˜ืขืจ, ืœืึธื–ืŸ ืก ืงื•ืง ืื™ืŸ ื“ื™ ืžืขืงืึทื ื™ื–ืึทืžื– ืื™ืŸ ื“ื™ ืกื™ืžืคึผืœืึทืกื˜ ืคืึทืœ - ื•ื•ืขืŸ ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ื•ื•ืึทื˜ืฉื™ื– ื–ืขื ืขืŸ ื ื™ืฉื˜ ื’ืขื ื™ืฆื˜.

ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขื˜ืŸ-ืขื ื˜ืคืขืจ ืžืขืงืึทื ื™ื–ืึทื

ื“ืขืจ ืžืขืงืึทื ื™ื–ืึทื ื›ื•ืœืœ ืฆื•ื•ื™ื™ ืกื˜ืขืคึผืก:

  1. ืžืขืกื˜ืŸ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืื™ืŸ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ืึท ืึธื ื–ืึธื’ ืฆื•ื•ื™ืฉืŸ ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื•ืŸ ื“ื™ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ. ืคึผืขืจืคืึธืจืžืขื“ ื ื™ืฆืŸ ืึท ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขื˜ืŸ-ืขื ื˜ืคืขืจ ืžืขืงืึทื ื™ื–ืึทื.
  2. ืงืขืจืขืงืฉืึทืŸ ืคื•ืŸ ื“ื™ ืคึผื™ื ื˜ืœืขืš ืฆื™ื™ื˜ ื™ื‘ืขืจืจื•ืง ืื™ื– ื“ื•ืจื›ื’ืขืงืึธื›ื˜.

ืœื™ื™ื˜ืึทื ืก ืžืขื–ืฉืขืจืžืึทื ื˜
ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

t1 - ืฆื™ื™ื˜ ืคื•ืŸ ืฉื™ืงืŸ ื“ื™ ืกื™ื ืง ืึธื ื–ืึธื’ ื“ื•ืจืš ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ; t2 - ืฆื™ื™ื˜ ืคื•ืŸ ืึธืคึผื˜ืจืึธื’ ืคื•ืŸ ื“ื™ ืกื™ื ืง ืึธื ื–ืึธื’ ื“ื•ืจืš ื“ื™ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ; t3 - ืฆื™ื™ื˜ ืคื•ืŸ ืฉื™ืงืŸ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขื˜ืŸ (Delay_Req) โ€‹โ€‹ื“ื•ืจืš ื“ื™ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ; t4 - Delay_Req ืึธืคึผื˜ืจืึธื’ ืฆื™ื™ื˜ ื“ื•ืจืš ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ.

ื•ื•ืขืŸ ื“ืขืจ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ ื•ื•ื™ื™ืกื˜ ื“ื™ ืฆื™ื™ื˜ ื˜ 1, ื˜ 2, ื˜ 3 ืื•ืŸ ื˜ 4, ืขืก ืงืขื ืขืŸ ืจืขื›ืขื ืขืŸ ื“ื™ ื“ื•ืจื›ืฉื ื™ื˜ืœืขืš ืคืึทืจื”ืึทืœื˜ืŸ ื•ื•ืขืŸ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ื“ื™ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืึธื ื–ืึธื’ (ื˜ืžืคึผื“). ืขืก ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ื•ื•ื™ ื’ื™ื™ื˜:

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ื•ื•ืขืŸ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ืึท Sync ืื•ืŸ Follow_Up ืึธื ื–ืึธื’, ื“ื™ ืฆื™ื™ื˜ ืคืึทืจื”ืึทืœื˜ืŸ ืคื•ืŸ ื“ื™ ื‘ืขืœ ืฆื• ื“ื™ ืฉืงืœืึทืฃ ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ - t-ms.

ื•ื•ืขืŸ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ Delay_Req ืื•ืŸ Delay_Resp ืึทืจื˜ื™ืงืœืขืŸ, ื“ื™ ืฆื™ื™ื˜ ืคืึทืจื”ืึทืœื˜ืŸ ืคื•ืŸ ื“ื™ ืฉืงืœืึทืฃ ืฆื• ื“ื™ ื‘ืขืœ ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ - t-sm.

ืื•ื™ื‘ ืขื˜ืœืขื›ืข ืึทืกื™ืžืžืขื˜ืจื™ ืึทืงืขืจื– ืฆื•ื•ื™ืฉืŸ ื“ื™ ืฆื•ื•ื™ื™ ื•ื•ืึทืœื•ืขืก, ืขืก ืื™ื– ืึท ื˜ืขื•ืช ืื™ืŸ ืงืขืจืขืงื˜ื™ื ื’ ื“ื™ ื“ื™ื•ื•ื™ื™ื™ืฉืึทืŸ ืคื•ืŸ ื“ื™ ืคึผื™ื ื˜ืœืขืš ืฆื™ื™ื˜. ื“ืขืจ ื˜ืขื•ืช ืื™ื– ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ื“ื™ ืคืึทืงื˜ ืึทื– ื“ื™ ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ืคืึทืจื”ืึทืœื˜ืŸ ืื™ื– ื“ื™ ื“ื•ืจื›ืฉื ื™ื˜ืœืขืš ืคื•ืŸ ื“ื™ t-ms ืื•ืŸ t-sm ื“ื™ืœื™ื™ื–. ืื•ื™ื‘ ื“ื™ ื“ื™ืœื™ื™ื– ื–ืขื ืขืŸ ื ื™ืฉื˜ ื’ืœื™ื™ึทืš ืฆื• ื™ืขื“ืขืจ ืื ื“ืขืจืขืจ, โ€‹โ€‹ืžื™ืจ ื•ื•ืขืœืŸ ื ื™ืฉื˜ ืกื˜ืจื•ื™ืขืจืŸ ื“ื™ ืฆื™ื™ื˜ ืึทืงื™ืขืจืึทื˜ืœื™.

ืงืขืจืขืงืฉืึทืŸ ืคื•ืŸ ืฆื™ื™ื˜ ื™ื‘ืขืจืจื•ืง

ืึทืžืึธืœ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืฆื•ื•ื™ืฉืŸ ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื•ืŸ ื“ื™ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ ืื™ื– ื‘ืืงืื ื˜, ื“ื™ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ ืคึผืขืจืคืึธืจืžื– ืฆื™ื™ื˜ ืงืขืจืขืงืฉืึทืŸ.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืฉืงืœืึทืฃ ืงืœืึทืงืก ื ื•ืฆืŸ ื“ื™ ืกื™ื ืง ืึธื ื–ืึธื’ ืื•ืŸ ืึท ืึทืคึผืฉืึทื ืึทืœ Follow_Up ืึธื ื–ืึธื’ ืฆื• ืจืขื›ืขื ืขืŸ ื“ื™ ืคึผื™ื ื˜ืœืขืš ืฆื™ื™ื˜ ืคืึธื˜ืึธ ื•ื•ืขืŸ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ืึท ืคึผืึทืงืึทื˜ ืคื•ืŸ ื“ื™ ื‘ืขืœ ืฆื• ื“ื™ ืฉืงืœืึทืฃ ืงืœืึทืงืก. ื“ื™ ื™ื‘ืขืจืจื•ืง ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ืžื™ื˜ ื“ื™ ืคืืœื’ืขื ื“ืข ืคืึธืจืžื•ืœืข:

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ื™ื™ึทื ืงื•ืงื  ืคืึทืจื”ืึทืœื˜ืŸ ืžืขื–ืฉืขืจืžืึทื ื˜ ืžืขืงืึทื ื™ื–ืึทื

ื“ืขืจ ืžืขืงืึทื ื™ื–ืึทื ืื•ื™ืš ื ื™ืฆื˜ ืฆื•ื•ื™ื™ ืกื˜ืขืคึผืก ืคึฟืึทืจ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ:

  1. ื“ื™ ื“ืขื•ื•ื™ืกืขืก ืžืขืกื˜ืŸ ื“ื™ ืฆื™ื™ื˜ ืคืึทืจื”ืึทืœื˜ืŸ ืฆื• ืึทืœืข ืฉื›ื ื™ื ื“ื•ืจืš ืึทืœืข ืคึผืึธืจืฅ. ืฆื• ื˜ืึธืŸ ื“ืึธืก, ื–ื™ื™ ื ื•ืฆืŸ ืึท ื™ื™ึทื ืงื•ืงื  ืคืึทืจื”ืึทืœื˜ืŸ ืžืขืงืึทื ื™ื–ืึทื.
  2. ืงืขืจืขืงืฉืึทืŸ ืคื•ืŸ ื“ื™ ืคึผื™ื ื˜ืœืขืš ืฆื™ื™ื˜ ื™ื‘ืขืจืจื•ืง.

ืžืขืกื˜ืŸ ืœื™ื™ื˜ืึทื ืกื™ ืฆื•ื•ื™ืฉืŸ ื“ืขื•ื•ื™ืกืขืก ื•ื•ืึธืก ืฉื˜ื™ืฆืŸ ืคึผื™ืจ-ืฆื•-ื™ื™ึทื ืงื•ืงื  ืžืึธื“ืข

ื“ื™ ืœื™ื™ื˜ืึทื ืกื™ ืฆื•ื•ื™ืฉืŸ ืคึผืึธืจืฅ ื•ื•ืึธืก ืฉื˜ื™ืฆืŸ ื“ื™ ื™ื™ึทื ืงื•ืงื -ืฆื•-ื™ื™ึทื ืงื•ืงื  ืžืขืงืึทื ื™ื–ืึทื ืื™ื– ื’ืขืžืืกื˜ืŸ ืžื™ื˜ ื“ื™ ืคืืœื’ืขื ื“ืข ืึทืจื˜ื™ืงืœืขืŸ:

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ื•ื•ืขืŸ ืคึผืึธืจื˜ 1 ื•ื•ื™ื™ืกื˜ ื“ื™ ืฆื™ื™ื˜ ื˜ 1, ื˜ 2, ื˜ 3 ืื•ืŸ ื˜ 4, ืขืก ืงืขื ืขืŸ ืจืขื›ืขื ืขืŸ ื“ื™ ื“ื•ืจื›ืฉื ื™ื˜ืœืขืš ืคืึทืจื”ืึทืœื˜ืŸ (ื˜ืžืœื“). ืขืก ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ืžื™ื˜ ื“ื™ ืคืืœื’ืขื ื“ืข ืคืึธืจืžื•ืœืข:

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ื“ืขืจ ืคึผืึธืจื˜ ื ื™ืฆื˜ ื“ืขื ื•ื•ืขืจื˜ ื•ื•ืขืŸ ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื ื’ ื“ื™ ืึทื“ื–ืฉืึทืกื˜ืžืึทื ื˜ ืคืขืœื“ ืคึฟืึทืจ ื™ืขื“ืขืจ ืกื™ื ืง ืึธื ื–ืึธื’ ืึธื“ืขืจ ืึทืคึผืฉืึทื ืึทืœ Follow_Up ืึธื ื–ืึธื’ ื•ื•ืึธืก ืคึผืึทืกื™ื– ื“ื•ืจืš ื“ื™ ืžื™ื˜ืœ.

ื“ื™ ื’ืึทื ืฅ ืคืึทืจื”ืึทืœื˜ืŸ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื’ืœื™ื™ึทืš ืฆื• ื“ื™ ืกืึทื›ืึทืงืœ ืคื•ืŸ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขืฉืึทืก ื˜ืจืึทื ืกืžื™ืกื™ืข ื“ื•ืจืš ื“ืขื ืžื™ื˜ืœ, ื“ื™ ื“ื•ืจื›ืฉื ื™ื˜ืœืขืš ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขืฉืึทืก ื˜ืจืึทื ืกืžื™ืกื™ืข ื“ื•ืจืš ื“ื™ ื“ืึทื˜ืŸ ืงืึทื ืึทืœ ืื•ืŸ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืฉื•ื™ืŸ ืงืึทื ื˜ื™ื™ื ื“ ืื™ืŸ ื“ืขื ืึธื ื–ืึธื’, ืขื ื™ื™ื‘ืึทืœื“ ืื•ื™ืฃ ืึทืคึผืกื˜ืจื™ื ื“ืขื•ื•ื™ืกืขืก.

ืึทืจื˜ื™ืงืœืขืŸ Pdelay_Req, Pdelay_Resp ืื•ืŸ ืึทืคึผืฉืึทื ืึทืœ Pdelay_Resp_Follow_Up ืœืึธื–ืŸ ืื™ืจ ื‘ืึทืงื•ืžืขืŸ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืคื•ืŸ ื‘ืขืœ ืฆื• ืฉืงืœืึทืฃ ืื•ืŸ ืคื•ืŸ ืฉืงืœืึทืฃ ืฆื• ื‘ืขืœ (ืงื™ื™ึทืœืขื›ื™ืง).

ืงื™ื™ืŸ ืึทืกื™ืžืžืขื˜ืจื™ ืฆื•ื•ื™ืฉืŸ ื“ื™ ืฆื•ื•ื™ื™ ื•ื•ืึทืœื•ืขืก ื•ื•ืขื˜ ืคืึธืจืฉื˜ืขืœืŸ ืึท ืฆื™ื™ื˜ ืคืึธื˜ืึธ ืงืขืจืขืงืฉืึทืŸ ื˜ืขื•ืช.

ืึทื“ื–ืฉืึทืกื˜ื™ื ื’ ื“ื™ ืคึผื™ื ื˜ืœืขืš ืฆื™ื™ื˜ ื™ื‘ืขืจืจื•ืง

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืฉืงืœืึทืฃ ืงืœืึทืงืก ื ื•ืฆืŸ ืึท ืกื™ื ืง ืึธื ื–ืึธื’ ืื•ืŸ ืึท ืึทืคึผืฉืึทื ืึทืœ Follow_Up ืึธื ื–ืึธื’ ืฆื• ืจืขื›ืขื ืขืŸ ื“ื™ ืคึผื™ื ื˜ืœืขืš ืฆื™ื™ื˜ ืคืึธื˜ืึธ ื•ื•ืขืŸ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ืึท ืคึผืึทืงืึทื˜ ืคื•ืŸ ื“ื™ ื‘ืขืœ ืฆื• ื“ื™ ืฉืงืœืึทืฃ ืงืœืึทืงืก. ื“ื™ ื™ื‘ืขืจืจื•ืง ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ืžื™ื˜ ื“ื™ ืคืืœื’ืขื ื“ืข ืคืึธืจืžื•ืœืข:

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืึทื“ื•ื•ืึทื ื˜ืึทื’ืขืก ืึทื“ื–ืฉืึทืกื˜ืžืึทื ื˜ ืคื•ืŸ ื“ื™ ื™ื™ึทื ืงื•ืงื -ืฆื•-ื™ื™ึทื ืงื•ืงื  ืžืขืงืึทื ื™ื–ืึทื - ื“ื™ ืฆื™ื™ื˜ ืคืึทืจื”ืึทืœื˜ืŸ ืคื•ืŸ ื™ืขื“ืขืจ ืกื™ื ืง ืึธื“ืขืจ ืคืึธืœืœืึธ_ื•ืคึผ ืึธื ื–ืึธื’ ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ื•ื•ื™ ืขืก ืื™ื– ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืื™ืŸ ื“ื™ ื ืขืฅ. ื“ืขืจื™ื‘ืขืจ, ื˜ืฉืึทื ื’ื™ื ื’ ื“ื™ ื˜ืจืึทื ืกืžื™ืกื™ืข ื“ืจืš ื•ื•ืขื˜ ื ื™ืฉื˜ ืื™ืŸ ืงื™ื™ืŸ ื•ื•ืขื’ ื•ื•ื™ืจืงืŸ ื“ื™ ืึทืงื™ืขืจืึทืกื™ ืคื•ืŸ ื“ื™ ืึทื“ื–ืฉืึทืกื˜ืžืึทื ื˜.

ื•ื•ืขืŸ ืื™ืจ ื ื•ืฆืŸ ื“ืขื ืžืขืงืึทื ื™ื–ืึทื, ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ื˜ื•ื˜ ื ื™ืฉื˜ ื“ืึทืจืคืŸ ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื ื’ ื“ื™ ืฆื™ื™ื˜ ืคืึทืจื”ืึทืœื˜ืŸ ืฆื•ื–ืืžืขืŸ ื“ืขื ื•ื•ืขื’ ื“ื•ืจื›ื’ืขื’ืื ื’ืขืŸ ื“ื•ืจืš ื“ื™ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืึทืงืึทื˜, ื•ื•ื™ ืื™ื– ื’ืขื˜ืืŸ ืื™ืŸ ื“ื™ ื™ืงืขืจื“ื™ืง ื•ื•ืขืงืกืœ. ื™ืขื ืข. Delay_Req ืื•ืŸ Delay_Resp ืึทืจื˜ื™ืงืœืขืŸ ื–ืขื ืขืŸ ื ื™ืฉื˜ ื’ืขืฉื™ืงื˜. ืื™ืŸ ื“ืขื ืื•ืคึฟืŸ, ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืฆื•ื•ื™ืฉืŸ ื“ื™ ื‘ืขืœ ืื•ืŸ ืฉืงืœืึทืฃ ืงืœืึทืงืก ืื™ื– ืคืฉื•ื˜ ืกืึทืžื“ ืื™ืŸ ื“ื™ ืึทื“ื–ืฉืึทืกื˜ืžืึทื ื˜ ืคืขืœื“ ืคื•ืŸ ื™ืขื“ืขืจ ืกื™ื ืง ืึธื“ืขืจ Follow_Up ืึธื ื–ืึธื’.

ืืŸ ืื ื“ืขืจ ืžื™ื™ึทืœืข ืื™ื– ืึทื– ื“ืขืจ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื™ื– ืจื™ืœื™ื•ื•ื“ ืคื•ืŸ ื“ื™ ื ื•ื™ื˜ ืฆื• ืคึผืจืึธืฆืขืก Delay_Req ืึทืจื˜ื™ืงืœืขืŸ.

ืึทืคึผืขืจื™ื™ื˜ื™ื ื’ ืžืึธื“ืขืก ืคื•ืŸ ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ืงืœืึทืงืก

ื“ืขืจืคึฟืึทืจ ื–ืฒึทื ืขืŸ ื“ืึธืก ื’ืขื•ื•ืขืŸ ืคึผืฉื•ื˜ืข ื‘ืฒึทืฉืคึผื™ืœืŸ. ืื™ืฆื˜ ืจืขื›ืŸ ืึทื– ืกื•ื•ื™ื˜ืฉื™ื– ื“ืขืจืฉื™ื™ึทื ืขืŸ ืื•ื™ืฃ ื“ื™ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ื“ืจืš.

ืื•ื™ื‘ ืื™ืจ ื ื•ืฆืŸ ืกื•ื•ื™ื˜ืฉื™ื– ืึธืŸ PTPv2 ืฉื˜ื™ืฆืŸ, ื“ื™ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืึทืงืึทื˜ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื“ื™ืœื™ื™ื“ ืื•ื™ืฃ ื“ื™ ื‘ืึทืฉื˜ื™ืžืขืŸ ืžื™ื˜ ื‘ืขืขืจืขืš 10 ฮผs.

ืกื•ื•ื™ื˜ืฉื™ื– ื•ื•ืึธืก ืฉื˜ื™ืฆืŸ PTPv2 ื–ืขื ืขืŸ ื’ืขืจื•ืคึฟืŸ ื˜ืจืึทื ืกืคึผืึทืจืขื ื˜ ืงืœืึทืงืก ืื™ืŸ IEEE 1588v2 ื˜ืขืจืžื™ื ืึธืœืึธื’ื™ืข. ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ืงืœืึทืงืก ื–ืขื ืขืŸ ื ื™ืฉื˜ ืกื™ื ื’ืงืจืึทื ื™ื™ื–ื“ ืคึฟื•ืŸ ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื•ืŸ ื˜ืึธืŸ ื ื™ื˜ ืึธื ื˜ื™ื™ืœ ื ืขืžืขืŸ ืื™ืŸ ื“ื™ ื›ื™ื™ืขืจืึทืจืงื™ ืคื•ืŸ "ื”ืืจ ื–ื™ื™ื’ืขืจ - ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ", ืึธื‘ืขืจ ื•ื•ืขืŸ ื–ื™ื™ ื˜ืจืึทื ืกืžื™ื˜ื™ืจืŸ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืึทืจื˜ื™ืงืœืขืŸ, ื–ื™ื™ ื’ืขื“ืขื ืงืขืŸ ื•ื•ื™ ืœืึทื ื’ ื“ื™ ืึธื ื–ืึธื’ ืื™ื– ื“ื™ืœื™ื™ื“ ื“ื•ืจืš ื–ื™ื™. ื“ืขื ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืกื˜ืจื•ื™ืขืจืŸ ื“ื™ ืฆื™ื™ื˜ ืคืึทืจื”ืึทืœื˜ืŸ.

ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ืงืœืึทืงืก ืงืขื ืขืŸ ืึทืจื‘ืขื˜ืŸ ืื™ืŸ ืฆื•ื•ื™ื™ ืžืึธื“ืขืก:

  • ืกื•ืฃ-ืฆื•-ืกื•ืฃ.
  • ื™ื™ึทื ืงื•ืงื  ื–ื™ืš.

ืกื•ืฃ-ืฆื•-ืกื•ืฃ (E2E)

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ื“ื™ E2E ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ื–ื™ื™ื’ืขืจ ื‘ืจืึธื“ืงืึทืกืฅ ืกื™ื ืง ืึทืจื˜ื™ืงืœืขืŸ ืื•ืŸ ืึทืงืึทืžืคึผืึทื ื™ื™ื ื’ Follow_Up ืึทืจื˜ื™ืงืœืขืŸ ืื•ื™ืฃ ืึทืœืข ืคึผืึธืจืฅ. ืืคื™ืœื• ื“ื™ ื•ื•ืึธืก ื–ืขื ืขืŸ ืืคื’ืขืฉื˜ืขืœื˜ ื“ื•ืจืš ืขื˜ืœืขื›ืข ืคึผืจืึธื˜ืึธืงืึธืœืก (ืœืžืฉืœ, RSTP).

ื“ืขืจ ื‘ืึทืฉื˜ื™ืžืขืŸ ื’ืขื“ืขื ืงื˜ ื“ื™ ืฆื™ื™ื˜ ืกื˜ืึทืžืคึผ ื•ื•ืขืŸ ืึท ืกื™ื ืง ืคึผืึทืงืึทื˜ (ืคืึธืœืœืึธื•ื•_ืึทืจื•ื™ืฃ) ืื™ื– ื’ืขื•ื•ืขืŸ ื‘ืืงื•ืžืขืŸ ืื•ื™ืฃ ื“ื™ ืคึผืึธืจื˜ ืื•ืŸ ื•ื•ืขืŸ ืขืก ืื™ื– ื’ืขืฉื™ืงื˜ ืคื•ืŸ ื“ื™ ืคึผืึธืจื˜. ื‘ืึทื–ื™ืจื˜ ืื•ื™ืฃ ื“ื™ ืฆื•ื•ื™ื™ ื˜ื™ืžืขืกื˜ืึทืžืคึผืก, ื“ื™ ืฆื™ื™ื˜ ืขืก ื ืขืžื˜ ืคึฟืึทืจ ื“ื™ ื‘ืึทืฉื˜ื™ืžืขืŸ ืฆื• ืคึผืจืึธืฆืขืก ื“ืขื ืึธื ื–ืึธื’ ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“. ืื™ืŸ ื“ืขืจ ื ืึธืจืžืึทืœ, ื“ื™ ืฆื™ื™ื˜ ืื™ื– ื’ืขืจื•ืคืŸ ื•ื•ื•ื™ื ืึธืจื˜ ืฆื™ื™ื˜.

ื“ื™ ืคึผืจืึทืกืขืกื™ื ื’ ืฆื™ื™ื˜ ืื™ื– ืžื•ืกื™ืฃ ืฆื• ื“ื™ ืงืขืจืขืงืฉืึทืŸ ืคืขืœื“ ืคื•ืŸ ื“ื™ ืกื™ื ืง (ืื™ื™ืŸ-ืฉืจื™ื˜ ื–ื™ื™ื’ืขืจ) ืึธื“ืขืจ Follow_Up (ืฆื•ื•ื™ื™-ืฉืจื™ื˜ ื–ื™ื™ื’ืขืจ) ืึธื ื–ืึธื’.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ื“ื™ E2E ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ื–ื™ื™ื’ืขืจ ืžืขืกื˜ืŸ ื“ื™ ืคึผืจืึทืกืขืกื™ื ื’ ืฆื™ื™ื˜ ืคึฟืึทืจ Sync ืื•ืŸ Delay_Req ืึทืจื˜ื™ืงืœืขืŸ ื•ื•ืึธืก ืคืึธืจืŸ ื“ื•ืจืš ื“ื™ ื‘ืึทืฉื˜ื™ืžืขืŸ. ืื‘ืขืจ ืขืก ืื™ื– ื•ื•ื™ื›ื˜ื™ืง ืฆื• ืคึฟืึทืจืฉื˜ื™ื™ืŸ ืึทื– ื“ื™ ืฆื™ื™ื˜ ืคืึทืจื”ืึทืœื˜ืŸ ืฆื•ื•ื™ืฉืŸ ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื•ืŸ ื“ื™ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ ืื™ื– ืงืึทืœืงื™ืึทืœื™ื™ื˜ื™ื“ ื ื™ืฆืŸ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขื˜ืŸ-ืขื ื˜ืคืขืจ ืžืขืงืึทื ื™ื–ืึทื. ืื•ื™ื‘ ื“ืขืจ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืขื ื“ืขืจื•ื ื’ืขืŸ ืึธื“ืขืจ ื“ื™ ื•ื•ืขื’ ืคื•ืŸ ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืฆื• ื“ื™ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ ืขื ื“ืขืจื•ื ื’ืขืŸ, ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืื™ื– ื’ืขืžืืกื˜ืŸ ื•ื•ื™ื“ืขืจ. ื“ืึธืก ื™ื ืงืจื™ืกื™ื– ื“ื™ ื™ื‘ืขืจื’ืึทื ื’ ืฆื™ื™ื˜ ืื™ืŸ ืคืึทืœ ืคื•ืŸ ื ืขืฅ ืขื ื“ืขืจื•ื ื’ืขืŸ.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ื“ื™ P2P ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ื–ื™ื™ื’ืขืจ, ืื™ืŸ ืึทื“ื™ืฉืึทืŸ ืฆื• ืžืขืกื˜ืŸ ื“ื™ ืฆื™ื™ื˜ ืขืก ื ืขืžื˜ ืคึฟืึทืจ ืึท ื‘ืึทืฉื˜ื™ืžืขืŸ ืฆื• ืคึผืจืึธืฆืขืก ืึท ืึธื ื–ืึธื’, ืžืขืกื˜ืŸ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืื•ื™ืฃ ื“ื™ ื“ืึทื˜ืŸ ืคึฟืึทืจื‘ื™ื ื“ื•ื ื’ ืฆื• ื–ื™ื™ืŸ ื ื™ืจืึทืกื˜ ื—ื‘ืจ ืžื™ื˜ ืึท ื—ื‘ืจ ืœื™ื™ื˜ืึทื ืกื™ ืžืขืงืึทื ื™ื–ืึทื.

ืœื™ื™ื˜ืึทื ืกื™ ืื™ื– ื’ืขืžืืกื˜ืŸ ืื•ื™ืฃ ื™ืขื“ืขืจ ืœื™ื ืง ืื™ืŸ ื‘ื™ื™ื“ืข ืื™ื ืกื˜ืจื•ืงืฆื™ืขืก, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ืœื™ื ืงืก ื•ื•ืึธืก ื–ืขื ืขืŸ ืืคื’ืขืฉื˜ืขืœื˜ ื“ื•ืจืš ืขื˜ืœืขื›ืข ืคึผืจืึธื˜ืึธืงืึธืœ (ืึทื–ืึท ื•ื•ื™ RSTP). ื“ืึธืก ืึทืœืึทื•ื– ืื™ืจ ืฆื• ื’ืœื™ื™ืš ืจืขื›ืขื ืขืŸ ื“ื™ ื ื™ื™ึทืข ืคืึทืจื”ืึทืœื˜ืŸ ืื™ืŸ ื“ื™ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ื•ื•ืขื’ ืื•ื™ื‘ ื“ื™ ื’ืจืึทื ื“ืžืึทืกื˜ืขืจ ื–ื™ื™ื’ืขืจ ืึธื“ืขืจ ื ืขืฅ ื˜ืึทืคึผืึทืœืึทื“ื–ืฉื™ ืขื ื“ืขืจื•ื ื’ืขืŸ.

ืึธื ื–ืึธื’ ืคึผืจืึทืกืขืกื™ื ื’ ืฆื™ื™ื˜ ื“ื•ืจืš ืกื•ื•ื™ื˜ืฉื™ื– ืื•ืŸ ืœื™ื™ื˜ืึทื ืกื™ ื–ืขื ืขืŸ ืึทืงื™ื•ืžื™ืึทืœื™ื™ื˜ื™ื“ ื•ื•ืขืŸ ืฉื™ืงื˜ Sync ืึธื“ืขืจ Follow_Up ืึทืจื˜ื™ืงืœืขืŸ.

ื˜ื™ื™ืคึผืก ืคื•ืŸ PTPv2 ืฉื˜ื™ืฆืŸ ื“ื•ืจืš ืกื•ื•ื™ื˜ืฉื™ื–

ืกื•ื•ื™ื˜ืฉื™ื– ืงืขื ืขืŸ ืฉื˜ื™ืฆืŸ PTPv2:

  • ืคึผืจืึธื’ืจืึทืžืžืึทื˜ื™ืงืึทืœืœื™;
  • ื™ื™ึทื–ื ื•ื•ืึทืจื’.

ื•ื•ืขืŸ ื™ืžืคึผืœืึทืžืขื ื™ื ื’ ื“ื™ PTPv2 ืคึผืจืึธื˜ืึธืงืึธืœ ืื™ืŸ ื•ื•ื™ื™ื›ื•ื•ืืจื’, ื“ื™ ื‘ืึทืฉื˜ื™ืžืขืŸ ืจื™ืงื•ื•ืขืก ืึท ื˜ื™ืžืขืกื˜ืึทืžืคึผ ืคึฟื•ืŸ ื“ื™ ืคื™ืจืžื•ื•ืึทืจืข. ื“ืขืจ ืคึผืจืึธื‘ืœืขื ืื™ื– ืึทื– ื“ื™ ืคื™ืจืžื•ื•ืึทืจืข ืึทืจื‘ืขื˜ ืกื™ื™ืงืœื™ืงืœื™, ืื•ืŸ ืื™ืจ ื•ื•ืขื˜ ื”ืึธื‘ืŸ ืฆื• ื•ื•ืึทืจื˜ืŸ ื‘ื™ื– ืขืก ืขื ื“ื™ืงื˜ ื“ืขื ืงืจืึทื ื˜ ืฆื™ืงืœ, ื ืขืžืขืŸ ื“ื™ ื‘ืขื˜ืŸ ืคึฟืึทืจ ืคึผืจืึทืกืขืกื™ื ื’ ืื•ืŸ ืึทืจื•ื™ืกื’ืขื‘ืŸ ืึท ืฆื™ื™ื˜ ืกื˜ืึทืžืคึผ ื ืึธืš ื“ืขืจ ื•ื•ื™ื™ึทื˜ืขืจ ืฆื™ืงืœ. ื“ืึธืก ื•ื•ืขื˜ ืื•ื™ืš ื ืขืžืขืŸ ืฆื™ื™ื˜, ืื•ืŸ ืžื™ืจ ื•ื•ืขืœืŸ ื‘ืึทืงื•ืžืขืŸ ืึท ืคืึทืจื”ืึทืœื˜ืŸ, ื›ืึธื˜ืฉ ื ื™ื˜ ื•ื•ื™ ื‘ืึทื˜ื™ื™ื˜ื™ืง ื•ื•ื™ ืึธืŸ ื•ื•ื™ื™ื›ื•ื•ืืจื’ ืฉื˜ื™ืฆืŸ ืคึฟืึทืจ PTPv2.

ื‘ืœื•ื™ื– ื™ื™ึทื–ื ื•ื•ืึทืจื’ ืฉื˜ื™ืฆืŸ ืคึฟืึทืจ PTPv2 ืึทืœืึทื•ื– ืื™ืจ ืฆื• ื”ืึทืœื˜ืŸ ื“ื™ ืคืืจืœืื ื’ื˜ ืึทืงื™ืขืจืึทืกื™. ืื™ืŸ ื“ืขื ืคืึทืœ, ื“ื™ ืฆื™ื™ื˜ ืฉื˜ืขืžืคึผืœ ืื™ื– ืืจื•ื™ืก ื“ื•ืจืš ืึท ืกืคึผืขืฆื™ืขืœ ืึทืกื™ืง ืื™ื ืกื˜ืึทืœื™ืจืŸ ืื•ื™ืฃ ื“ื™ ืคึผืึธืจื˜.

ืึธื ื–ืึธื’ ืคึฟืึธืจืžืึทื˜

ืึทืœืข PTP ืึทืจื˜ื™ืงืœืขืŸ ืฆื•ื ื•ื™ืคืฉื˜ืขืœื  ื–ื™ืš ืคื•ืŸ ื“ื™ ืคืืœื’ืขื ื“ืข ืคืขืœื“ืขืจ:

  • ื›ืขื“ืขืจ - 34 ื‘ื™ื˜ืขืก.
  • ื’ื•ืฃ - ื’ืจื™ื™ืก ื“ืขืคึผืขื ื“ืก ืื•ื™ืฃ ื“ื™ ื˜ื™ืคึผ ืคื•ืŸ ืึธื ื–ืึธื’.
  • ืกืึทืคื™ืงืก ืื™ื– ืึทืคึผืฉืึทื ืึทืœ.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ื›ืขื“ืขืจ

ื“ื™ ื›ืขื“ืขืจ ืคืขืœื“ ืื™ื– ื“ื™ ื–ืขืœื‘ืข ืคึฟืึทืจ ืึทืœืข ืคึผื˜ืคึผ ืึทืจื˜ื™ืงืœืขืŸ. ื–ื™ื™ึทืŸ ื’ืจื™ื™ืก ืื™ื– 34 ื‘ื™ื˜ืขืก.

ื›ืขื“ืขืจ ืคืขืœื“ ืคึฟืึธืจืžืึทื˜:

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

messageType - ื›ึผื•ืœืœ ื“ืขื ื˜ื™ืคึผ ืคื•ืŸ ืึธื ื–ืึธื’ ื•ื•ืึธืก ืื™ื– ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“, ืœืžืฉืœ Sync, Delay_Req, PDelay_Req, ืขื˜ืง.

messageLength - ื›ึผื•ืœืœ ื“ื™ ืคื•ืœ ื’ืจื™ื™ืก ืคื•ืŸ ื“ื™ PTP ืึธื ื–ืึธื’, ืึทืจื™ื™ึทื ื’ืขืจืขื›ื ื˜ ื›ืขื“ืขืจ, ื’ื•ืฃ ืื•ืŸ ืกืึทืคื™ืงืก (ืึธื‘ืขืจ ืขืงืกืงืœื•ื“ื™ื ื’ ื•ื•ืึทื˜ืŸ ื‘ื™ื˜ืขืก).

ืคืขืœื“ ื ื•ืžืขืจ - ื‘ืืฉืœืืกืŸ ืฆื• ื•ื•ืึธืก PTP ืคืขืœื“ ื“ืขืจ ืึธื ื–ืึธื’ ื’ืขื”ืขืจื˜.

ืคืขืœื“ - ื“ืึธืก ื–ืขื ืขืŸ ืขื˜ืœืขื›ืข ืคืึทืจืฉื™ื“ืขื ืข ืงืœืึทืงืก ื’ืขื–ืืžืœื˜ ืื™ืŸ ืื™ื™ืŸ ืœืึทื“ื–ืฉื™ืงืึทืœ ื’ืจื•ืคึผืข ืื•ืŸ ืกื™ื ื’ืงืจืึทื ื™ื™ื–ื“ ืคึฟื•ืŸ ืื™ื™ืŸ ื‘ืขืœ ื–ื™ื™ื’ืขืจ, ืึธื‘ืขืจ ื ื™ื˜ ื“ืึทื•ื•ืงืข ืกื™ื ื’ืงืจืึทื ื™ื™ื–ื“ ืžื™ื˜ ืงืœืึทืงืก ื•ื•ืึธืก ื’ืขื”ืขืจืŸ ืฆื• ืึท ืึทื ื“ืขืจืฉ ืคืขืœื“.

ืคืœืึทื’ืก - ื“ืขื ืคืขืœื“ ื›ึผื•ืœืœ ืคืึทืจืฉื™ื“ืŸ ืคืœืึทื’ืก ืฆื• ื™ื“ืขื ื˜ื™ืคื™ืฆื™ืจืŸ ื“ื™ ืกื˜ืึทื˜ื•ืก ืคื•ืŸ ื“ืขื ืึธื ื–ืึธื’.

correctionField - ื›ึผื•ืœืœ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืฆื™ื™ื˜ ืื™ืŸ ื ืึทื ืึธืกืขืงืึธื ื“ืก. ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ืฆื™ื™ื˜ ื™ื ืงืœื•ื“ื– ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ื•ื•ืขืŸ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ื“ื•ืจืš ื“ื™ ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ื–ื™ื™ื’ืขืจ, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ื•ื•ืขืŸ ื˜ืจืึทื ืกืžื™ื˜ื™ื ื’ ื“ื•ืจืš ื“ื™ ืงืึทื ืึทืœ ื•ื•ืขืŸ ื ื™ืฆืŸ ืคึผื™ืจ-ืฆื•-ื™ื™ึทื ืงื•ืงื  ืžืึธื“ืข.

sourcePortIdentity - ื“ืขื ืคืขืœื“ ื›ึผื•ืœืœ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื•ื•ืึธืก ืคึผืึธืจื˜ ื“ืขื ืึธื ื–ืึธื’ ืื™ื– ืขืจื™ื“ื–ืฉื ืึทืœื™ ื’ืขืฉื™ืงื˜ ืคื•ืŸ.

sequenceID - ื›ึผื•ืœืœ ืึท ืœืขื’ื™ื˜ื™ืžืึทืฆื™ืข ื ื•ืžืขืจ ืคึฟืึทืจ ื™ื—ื™ื“ ืึทืจื˜ื™ืงืœืขืŸ.

controlField - ืึทืจื˜ืึทืคืึทืงื˜ ืคืขืœื“ =) ืขืก ื‘ืœื™ื™ื‘ื˜ ืคึฟื•ืŸ ื“ืขืจ ืขืจืฉื˜ืขืจ ื•ื•ืขืจืกื™ืข ืคื•ืŸ โ€‹โ€‹โ€‹โ€‹ื“ืขื ื ืึธืจืžืึทืœ ืื•ืŸ ื›ึผื•ืœืœ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ืขื ื˜ื™ืคึผ ืคื•ืŸ ืึธื ื–ืึธื’. ื™ืกืขื ืฉืึทืœื™ ื“ื™ ื–ืขืœื‘ืข ื•ื•ื™ ืึธื ื–ืึธื’ ื˜ื™ืคึผ, ืึธื‘ืขืจ ืžื™ื˜ ื•ื•ื™ื™ื ื™ืงืขืจืข ืึธืคึผืฆื™ืขืก.

logMessageInterval - ื“ืขื ืคืขืœื“ ืื™ื– ื‘ืืฉืœืืกืŸ ื“ื•ืจืš ื“ื™ ืึธื ื–ืึธื’ ื˜ื™ืคึผ.

ื’ื•ืฃ

ื•ื•ื™ ื“ื™ืกืงืึทืกื˜ ืื•ื™ื‘ืŸ, ืขืก ื–ืขื ืขืŸ ืขื˜ืœืขื›ืข ื˜ื™ื™ืคึผืก ืคื•ืŸ ืึทืจื˜ื™ืงืœืขืŸ. ื“ื™ ื˜ื™ื™ืคึผืก ื–ืขื ืขืŸ ื“ื™ืกืงืจื™ื™ื‘ื“ ืื•ื ื˜ืŸ:

ืžืขืœื“ืŸ ืึธื ื–ืึธื’
ื“ืขืจ ืึธื ื–ืึธื’ ืึธื ื–ืึธื’ ืื™ื– ื’ืขื ื™ืฆื˜ ืฆื• "ื“ืขืจืฆื™ื™ืœืขืŸ" ืื ื“ืขืจืข ืงืœืึทืงืก ืื™ืŸ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืคืขืœื“ ื•ื•ืขื’ืŸ ื–ื™ื™ึทืŸ ืคึผืึทืจืึทืžืขื˜ืขืจืก. ื“ืขืจ ืึธื ื–ืึธื’ ืึทืœืึทื•ื– ืื™ืจ ืฆื• ืฉื˜ืขืœืŸ ืึท ื›ื™ื™ืขืจืึทืจืงื™ ืคื•ืŸ ื‘ืขืœ ื–ื™ื™ื’ืขืจ - ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ.
ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืกื™ื ืง ืึธื ื–ืึธื’
ื“ื™ ืกื™ื ืง ืึธื ื–ืึธื’ ืื™ื– ื’ืขืฉื™ืงื˜ ื“ื•ืจืš ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื•ืŸ ื›ึผื•ืœืœ ื“ื™ ืฆื™ื™ื˜ ืคื•ืŸ ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื™ืŸ ื“ืขืจ ืฆื™ื™ื˜ ื•ื•ืขืŸ ื“ื™ ืกื™ื ืง ืึธื ื–ืึธื’ ืื™ื– ื“ื–ืฉืขื ืขืจื™ื™ื˜ืึทื“. ืื•ื™ื‘ ื“ืขืจ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื™ื– ืฆื•ื•ื™ื™-ื‘ื™ื ืข, ื“ื™ ืฆื™ื™ื˜ ืกื˜ืึทืžืคึผ ืื™ืŸ ื“ื™ ืกื™ื ืง ืึธื ื–ืึธื’ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื‘ืึทืฉื˜ื™ืžื˜ ืฆื• 0, ืื•ืŸ ื“ื™ ืงืจืึทื ื˜ ืฆื™ื™ื˜ ืกื˜ืึทืžืคึผ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื’ืขืฉื™ืงื˜ ืื™ืŸ ื“ื™ ืคึฟืึทืจื‘ื•ื ื“ืŸ Follow_Up ืึธื ื–ืึธื’. ื“ื™ ืกื™ื ืง ืึธื ื–ืึธื’ ืื™ื– ื’ืขื ื™ืฆื˜ ืคึฟืึทืจ ื‘ื™ื™ื“ืข ืœื™ื™ื˜ืึทื ืกื™ ืžืขื–ืฉืขืจืžืึทื ื˜ ืžืขืงืึทื ื™ื–ืึทืžื–.

ื“ืขืจ ืึธื ื–ืึธื’ ืื™ื– ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืžื™ื˜ Multicast. ืึธืคึผื˜ื™ืึธื ืึทืœืœื™ ืื™ืจ ืงืขื ืขืŸ ื ื•ืฆืŸ Unicast.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

Delay_Req ืึธื ื–ืึธื’

ื“ืขืจ ืคึฟืึธืจืžืึทื˜ ืคื•ืŸ ื“ื™ Delay_Req ืึธื ื–ืึธื’ ืื™ื– ื™ื™ื“ืขื ื™ืงืึทืœ ืฆื• ื“ื™ ืกื™ื ืง ืึธื ื–ืึธื’. ื“ื™ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ ืกืขื ื“ื– Delay_Req. ืขืก ื›ึผื•ืœืœ ื“ื™ ืฆื™ื™ื˜ ื•ื•ืึธืก ื“ื™ Delay_Req ืื™ื– ื’ืขืฉื™ืงื˜ ื“ื•ืจืš ื“ื™ ืฉืงืœืึทืฃ ื–ื™ื™ื’ืขืจ. ื“ืขืจ ืึธื ื–ืึธื’ ืื™ื– ื’ืขื ื™ืฆื˜ ื‘ืœื•ื™ื– ืคึฟืึทืจ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขื˜ืŸ-ืขื ื˜ืคืขืจ ืžืขืงืึทื ื™ื–ืึทื.

ื“ืขืจ ืึธื ื–ืึธื’ ืื™ื– ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืžื™ื˜ Multicast. ืึธืคึผื˜ื™ืึธื ืึทืœืœื™ ืื™ืจ ืงืขื ืขืŸ ื ื•ืฆืŸ Unicast.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

Follow_Up ืึธื ื–ืึธื’

ื“ื™ Follow_Up ืึธื ื–ืึธื’ ืื™ื– ืึธืคึผื˜ื™ืึธื ืึทืœืœื™ ื’ืขืฉื™ืงื˜ ื“ื•ืจืš ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ ืื•ืŸ ื›ึผื•ืœืœ ื“ื™ ืฆื™ื™ื˜ ืคื•ืŸ ืฉื™ืงืŸ ืกื™ื ืง ืึทืจื˜ื™ืงืœืขืŸ ื‘ืขืœ. ื‘ืœื•ื™ื– ืฆื•ื•ื™ื™-ื‘ื™ื ืข ื‘ืขืœ ืงืœืึทืงืก ืฉื™ืงืŸ ื“ื™ Follow_Up ืึธื ื–ืึธื’.

ื“ื™ Follow_Up ืึธื ื–ืึธื’ ืื™ื– ื’ืขื ื™ืฆื˜ ืคึฟืึทืจ ื‘ื™ื™ื“ืข ืœื™ื™ื˜ืึทื ืกื™ ืžืขื–ืฉืขืจืžืึทื ื˜ ืžืขืงืึทื ื™ื–ืึทืžื–.

ื“ืขืจ ืึธื ื–ืึธื’ ืื™ื– ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืžื™ื˜ Multicast. ืึธืคึผื˜ื™ืึธื ืึทืœืœื™ ืื™ืจ ืงืขื ืขืŸ ื ื•ืฆืŸ Unicast.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

Delay_Resp ืึธื ื–ืึธื’

ื“ื™ Delay_Resp ืึธื ื–ืึธื’ ืื™ื– ื’ืขืฉื™ืงื˜ ื“ื•ืจืš ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ. ืขืก ื›ึผื•ืœืœ ื“ื™ ืฆื™ื™ื˜ ื•ื•ืขืŸ ื“ื™ Delay_Req ืื™ื– ื‘ืืงื•ืžืขืŸ ื“ื•ืจืš ื“ื™ ื‘ืขืœ ื–ื™ื™ื’ืขืจ. ื“ืขืจ ืึธื ื–ืึธื’ ืื™ื– ื’ืขื ื™ืฆื˜ ื‘ืœื•ื™ื– ืคึฟืึทืจ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขื˜ืŸ-ืขื ื˜ืคืขืจ ืžืขืงืึทื ื™ื–ืึทื.

ื“ืขืจ ืึธื ื–ืึธื’ ืื™ื– ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืžื™ื˜ Multicast. ืึธืคึผื˜ื™ืึธื ืึทืœืœื™ ืื™ืจ ืงืขื ืขืŸ ื ื•ืฆืŸ Unicast.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

Pdelay_Req ืึธื ื–ืึธื’

ื“ื™ Pdelay_Req ืึธื ื–ืึธื’ ืื™ื– ื’ืขืฉื™ืงื˜ ื“ื•ืจืš ืึท ืžื™ื˜ืœ ื•ื•ืึธืก ืจื™ืงื•ื•ืขืก ืึท ืคืึทืจื”ืึทืœื˜ืŸ. ืขืก ื›ึผื•ืœืœ ื“ื™ ืฆื™ื™ื˜ ื•ื•ืขืŸ ื“ื™ ืึธื ื–ืึธื’ ืื™ื– ื’ืขืฉื™ืงื˜ ืคึฟื•ืŸ ื“ื™ ืคึผืึธืจื˜ ืคื•ืŸ ื“ืขื ืžื™ื˜ืœ. Pdelay_Req ืื™ื– ื‘ืœื•ื™ื– ื’ืขื ื™ืฆื˜ ืคึฟืึทืจ ื“ื™ ืžืขื–ืฉืขืจืžืึทื ื˜ ืžืขืงืึทื ื™ื–ืึทื ืคื•ืŸ ื“ื™ ื—ื‘ืจ ืคืึทืจื”ืึทืœื˜ืŸ.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

Pdelay_Resp ืึธื ื–ืึธื’

ื“ื™ Pdelay_Resp ืึธื ื–ืึธื’ ืื™ื– ื’ืขืฉื™ืงื˜ ื“ื•ืจืš ืึท ืžื™ื˜ืœ ื•ื•ืึธืก ื”ืื˜ ื‘ืืงื•ืžืขืŸ ืึท ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขื˜ืŸ. ืขืก ื›ึผื•ืœืœ ื“ื™ ืฆื™ื™ื˜ ื•ื•ืึธืก ื“ื™ Pdelay_Req ืึธื ื–ืึธื’ ืื™ื– ื‘ืืงื•ืžืขืŸ ื“ื•ืจืš ื“ืขื ืžื™ื˜ืœ. ื“ื™ Pdelay_Resp ืึธื ื–ืึธื’ ืื™ื– ื’ืขื ื™ืฆื˜ ื‘ืœื•ื™ื– ืคึฟืึทืจ ื“ื™ ืžืขื–ืฉืขืจืžืึทื ื˜ ืžืขืงืึทื ื™ื–ืึทื ืคื•ืŸ ื“ื™ ื—ื‘ืจ ืคืึทืจื”ืึทืœื˜ืŸ.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืึธื ื–ืึธื’ Pdelay_Resp_Follow_Up

ื“ื™ Pdelay_Resp_Follow_Up ืึธื ื–ืึธื’ ืื™ื– ืึธืคึผื˜ื™ืึธื ืึทืœืœื™ ื’ืขืฉื™ืงื˜ ื“ื•ืจืš ื“ื™ ืžื™ื˜ืœ ื•ื•ืึธืก ื”ืื˜ ื‘ืืงื•ืžืขืŸ ื“ื™ ืคืึทืจื”ืึทืœื˜ืŸ ื‘ืขื˜ืŸ. ืขืก ื›ึผื•ืœืœ ื“ื™ ืฆื™ื™ื˜ ื•ื•ืึธืก ื“ื™ Pdelay_Req ืึธื ื–ืึธื’ ืื™ื– ื‘ืืงื•ืžืขืŸ ื“ื•ืจืš ื“ืขื ืžื™ื˜ืœ. ื“ื™ Pdelay_Resp_Follow_Up ืึธื ื–ืึธื’ ืื™ื– ื’ืขืฉื™ืงื˜ ื‘ืœื•ื™ื– ื“ื•ืจืš ืฆื•ื•ื™ื™-ื‘ื™ื ืข ื‘ืขืœ ืงืœืึทืงืก.

ื“ืขืจ ืึธื ื–ืึธื’ ืงืขื ืขืŸ ืื•ื™ืš ื–ื™ื™ืŸ ื’ืขื•ื•ื™ื™ื ื˜ ืคึฟืึทืจ ื“ื•ืจื›ืคื™ืจื•ื ื’ ืฆื™ื™ื˜ ืึทื ืฉื˜ืึธื˜ ืคื•ืŸ ืึท ื˜ื™ืžืขืกื˜ืึทืžืคึผ. ื“ื•ืจื›ืคื™ืจื•ื ื’ ืฆื™ื™ื˜ ืื™ื– ื“ื™ ืฆื™ื™ื˜ ืคื•ืŸ ื“ืขื ืžืึธืžืขื ื˜ Pdelay-Req ืื™ื– ื‘ืืงื•ืžืขืŸ ื‘ื™ื– Pdelay_Resp ืื™ื– ื’ืขืฉื™ืงื˜.

Pdelay_Resp_Follow_Up ื–ืขื ืขืŸ ื’ืขื ื™ืฆื˜ ื‘ืœื•ื™ื– ืคึฟืึทืจ ื“ื™ ืžืขื–ืฉืขืจืžืึทื ื˜ ืžืขืงืึทื ื™ื–ืึทื ืคื•ืŸ ื“ื™ ื—ื‘ืจ ืคืึทืจื”ืึทืœื˜ืŸ.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืžืึทื ืึทื’ืขืžืขื ื˜ ืึทืจื˜ื™ืงืœืขืŸ

PTP ืงืึธื ื˜ืจืึธืœ ืึทืจื˜ื™ืงืœืขืŸ ื–ืขื ืขืŸ ืคืืจืœืื ื’ื˜ ืฆื• ืึทืจื™ื‘ืขืจืคื™ืจืŸ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืฆื•ื•ื™ืฉืŸ ืื™ื™ื ืขืจ ืึธื“ืขืจ ืžืขืจ ืงืœืึทืงืก ืื•ืŸ ื“ื™ ืงืึธื ื˜ืจืึธืœ ื ืึธื“ืข.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืึทืจื™ื‘ืขืจืคื™ืจืŸ ืฆื• LV

ื PTP ืึธื ื–ืึธื’ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืื™ืŸ ืฆื•ื•ื™ื™ ืœืขื•ื•ืขืœืก:

  • ื ืขืฅ - ื•ื•ื™ ืึท ื˜ื™ื™ืœ ืคื•ืŸ IP ื“ืึทื˜ืŸ.
  • ืงืึทื ืึทืœ - ื•ื•ื™ ืึท ื˜ื™ื™ืœ ืคื•ืŸ ืึท ืขื˜ื”ืขืจื ืขื˜ ืจืึทื.

PTP ืึธื ื–ืึธื’ ื˜ืจืึทื ืกืžื™ืกื™ืข ืื™ื‘ืขืจ UDP ืื™ื‘ืขืจ IP ืื™ื‘ืขืจ ืขื˜ื”ืขืจื ืขื˜

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืคึผื˜ืคึผ ืื™ื‘ืขืจ ื•ื“ืคึผ ืื™ื‘ืขืจ ืขื˜ื”ืขืจื ืขื˜

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

Profiles

PTP ื”ืื˜ ืึท ืคึผืœืึทืฅ ืคื•ืŸ ืคืœืขืงืกืึทื‘ืึทืœ ืคึผืึทืจืึทืžืขื˜ืขืจืก ื•ื•ืึธืก ื“ืึทืจืคึฟืŸ ืฆื• ื–ื™ื™ืŸ ืงืึทื ืคื™ื’ื™ืขืจื“. ืœืžืฉืœ:

  • BMCA ืึธืคึผืฆื™ืขืก.
  • ืœื™ื™ื˜ืึทื ืก ืžืขื–ืฉืขืจืžืึทื ื˜ ืžืขืงืึทื ื™ื–ืึทื.
  • ื™ื ื˜ืขืจื•ื•ืึทืœื– ืื•ืŸ ืขืจืฉื˜ ื•ื•ืึทืœื•ืขืก ืคื•ืŸ ืึทืœืข ืงืึทื ืคื™ื’ื™ืขืจืึทื‘ืึทืœ ืคึผืึทืจืึทืžืขื˜ืขืจืก, ืขื˜ืง.

ืื•ืŸ ื˜ืจืึธืฅ ื“ืขื ืคืึทืงื˜ ืึทื– ืžื™ืจ ืคืจื™ืขืจ ื’ืขื–ืื’ื˜ ืึทื– PTPv2 ื“ืขื•ื•ื™ืกืขืก ื–ืขื ืขืŸ ืงืึทืžืคึผืึทื˜ืึทื‘ืึทืœ ืžื™ื˜ ื™ืขื“ืขืจ ืื ื“ืขืจืข, ื“ืึธืก ืื™ื– ื ื™ืฉื˜ ืืžืช. ื“ื™ื•ื•ื™ื™ืกืึทื– ืžื•ื–ืŸ ื”ืึธื‘ืŸ ื“ื™ ื–ืขืœื‘ืข ืกืขื˜ื˜ื™ื ื’ืก ืื™ืŸ ืกื“ืจ ืฆื• ื™ื‘ืขืจื’ืขื‘ืŸ.

ืึทื– ืก ื•ื•ืึธืก ืขืก ื–ืขื ืขืŸ ืึทื–ื•ื™ ื’ืขืจื•ืคืขื ืข PTPv2 ืคึผืจืึธื•ืคื™ื™ืœื–. ืคึผืจืึธืคื™ืœืขืก ื–ืขื ืขืŸ ื’ืจื•ืคึผืขืก ืคื•ืŸ ืงืึทื ืคื™ื’ื™ืขืจื“ ืกืขื˜ื˜ื™ื ื’ืก ืื•ืŸ ื“ื™ืคื™ื™ื ื“ ืคึผืจืึธื˜ืึธืงืึธืœ ืจื™ืกื˜ืจื™ืงืฉืึทื ื– ืึทื–ื•ื™ ืึทื– ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืงืขื ืขืŸ ื–ื™ื™ืŸ ื™ืžืคึผืœืึทืžืขื ืึทื“ ืคึฟืึทืจ ืึท ืกืคึผืขืฆื™ืคื™ืฉ ืึทืคึผืœืึทืงื™ื™ืฉืึทืŸ.

ื“ื™ IEEE 1588v2 ื ืึธืจืžืึทืœ ื–ื™ืš ื‘ืืฉืจื™ื™ื‘ื˜ ื‘ืœื•ื™ื– ืื™ื™ืŸ ืคึผืจืึธืคื™ืœ - "ื“ื™ืคืึธืœื˜ ืคึผืจืึธืคื™ืœ". ืึทืœืข ืื ื“ืขืจืข ืคึผืจืึธื•ืคื™ื™ืœื– ื–ืขื ืขืŸ ื‘ืืฉืืคืŸ ืื•ืŸ ื“ื™ืกืงืจื™ื™ื‘ื“ ื“ื•ืจืš ืคืึทืจืฉื™ื“ืŸ ืึธืจื’ืึทื ืึทื–ื™ื™ืฉืึทื ื– ืื•ืŸ ืึทืกืึธื•ืกื™ื™ื™ืฉืึทื ื–.

ืคึฟืึทืจ ื‘ื™ื™ึทืฉืคึผื™ืœ, ื“ื™ ืžืึทื›ื˜ ืคึผืจืึธืคื™ืœ, ืึธื“ืขืจ PTPv2 ืžืึทื›ื˜ ืคึผืจืึธืคื™ืœ, ืื™ื– ื’ืขื•ื•ืขืŸ ื‘ืืฉืืคืŸ ื“ื•ืจืš ื“ื™ ืžืึทื›ื˜ ืกื™ืกื˜ืขืžืขืŸ ืจื™ืœื™ื™ื™ื ื’ ืงืึทืžื™ื˜ื™ ืื•ืŸ ื“ื™ ืกืึทื‘ืกื˜ื™ื™ืฉืึทืŸ ืงืึทืžื™ื˜ื™ ืคื•ืŸ ื“ื™ IEEE ืžืึทื›ื˜ ืื•ืŸ ืขื ืขืจื’ื™ืข ื’ืขื–ืขืœืฉืืคื˜. ื“ืขืจ ืคึผืจืึธืคื™ืœ ื–ื™ืš ืื™ื– ื’ืขืจื•ืคืŸ IEEE C37.238-2011.

ื“ืขืจ ืคึผืจืึธืคื™ืœ ื‘ืืฉืจื™ื™ื‘ื˜ ืึทื– PTP ืงืขื ืขืŸ ื–ื™ื™ืŸ ื˜ืจืึทื ืกืคืขืจื“:

  • ื‘ืœื•ื™ื– ื“ื•ืจืš ืœ 2 ื ืขื˜ื•ื•ืึธืจืงืก (ื“"ื” ืขื˜ื”ืขืจื ืขื˜, HSR, PRP, ื ื™ื˜-IP).
  • ืึทืจื˜ื™ืงืœืขืŸ ื–ืขื ืขืŸ ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ื‘ืœื•ื™ื– ื“ื•ืจืš ืžื•ืœื˜ื™ืงืึทืกื˜ ื‘ืจืึธื“ืงืึทืกื˜.
  • ื™ื™ึทื ืงื•ืงื  ืคืึทืจื”ืึทืœื˜ืŸ ืžืขื–ืฉืขืจืžืึทื ื˜ ืžืขืงืึทื ื™ื–ืึทื ืื™ื– ื’ืขื ื™ืฆื˜ ื•ื•ื™ ืึท ืคืึทืจื”ืึทืœื˜ืŸ ืžืขื–ืฉืขืจืžืึทื ื˜ ืžืขืงืึทื ื™ื–ืึทื.

ืคืขืœื™ืงื™ื™ึทื˜ ืคืขืœื“ ืื™ื– 0, ืจืขืงืึทืžืขื ื“ื™ื“ ืคืขืœื“ ืื™ื– 93.

ื“ื™ ืคึผืœืึทืŸ ืคึฟื™ืœืึธืกืึธืคึฟื™ืข ืคื•ืŸ โ€‹โ€‹C37.238-2011 ืื™ื– ื’ืขื•ื•ืขืŸ ืฆื• ืจืขื“ื•ืฆื™ืจืŸ ื“ื™ ื ื•ืžืขืจ ืคื•ืŸ ืึทืคึผืฉืึทื ืึทืœ ืคึฟืขื™ึดืงื™ื™ื˜ืŸ ืื•ืŸ ืจื™ื˜ื™ื™ืŸ ื‘ืœื•ื™ื– ื“ื™ ื ื™ื™ื˜ื™ืง ืคืึทื ื’ืงืฉืึทื ื– ืคึฟืึทืจ ืคืึทืจืœืึธื–ืœืขืš ื™ื ื˜ืขืจืึทืงืฉืึทืŸ ืฆื•ื•ื™ืฉืŸ ื“ืขื•ื•ื™ืกืขืก ืื•ืŸ ื’ืขื•ื•ืืงืกืŸ ืกื™ืกื˜ืขื ืคืขืกื˜ืงื™ื™ึทื˜.

ืื•ื™ืš, ื“ื™ ืึธืคื˜ืงื™ื™ึทื˜ ืคื•ืŸ ืึธื ื–ืึธื’ ื˜ืจืึทื ืกืžื™ืกื™ืข ืื™ื– ื‘ืืฉืœืืกืŸ:

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืื™ืŸ ืคืึทืงื˜, ื‘ืœื•ื™ื– ืื™ื™ืŸ ืคึผืึทืจืึทืžืขื˜ืขืจ ืื™ื– ื‘ื ื™ืžืฆื ืคึฟืึทืจ ืกืขืœืขืงืฆื™ืข - ื“ืขืจ ื˜ื™ืคึผ ืคื•ืŸ ื‘ืขืœ ื–ื™ื™ื’ืขืจ (ืื™ื™ืŸ-ื‘ื™ื ืข ืึธื“ืขืจ ืฆื•ื•ื™ื™-ื‘ื™ื ืข).

ื“ื™ ืึทืงื™ืขืจืึทืกื™ ื–ืึธืœ ื ื™ืฉื˜ ื–ื™ื™ืŸ ืžืขืจ ื•ื•ื™ 1 ฮผs. ืื™ืŸ ืื ื“ืขืจืข ื•ื•ืขืจื˜ืขืจ, ืื™ื™ืŸ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ื•ื•ืขื’ ืงืขื ืขืŸ ืึทื ื˜ื”ืึทืœื˜ืŸ ืึท ืžืึทืงืกื™ืžื•ื ืคื•ืŸ 15 ื˜ืจืึทื ืกืคึผืขืจืึทื ื˜ ืงืœืึทืงืก ืึธื“ืขืจ ื“ืจื™ื™ ื’ืจืขื ืขืฅ ืงืœืึทืงืก.

ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ื“ืขื˜ืึทื™ืœืก ืคื•ืŸ ื“ื™ PTPv2 ืฆื™ื™ื˜ ืกื™ื ื’ืงืจืึทื ืึทื–ื™ื™ืฉืึทืŸ ืคึผืจืึธื˜ืึธืงืึธืœ

ืžืงื•ืจ: www.habr.com

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’