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A simple data link (SDL) protocol for next generation packet network

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8 Author(s)
Doshi, B. ; Lucent Technol. Bell Labs., Holmdel, NJ, USA ; Dravida, S. ; Hernandez-Valencia, E. ; Matragi, W.
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The simple data link (SDL) is a new framing protocol for variable/fixed length packets over a general-purpose point-to-point communications channel. SDL extends the HEC-like framing mechanism used in ATM to variable-length data. Its low implementation complexity makes it particularly suitable for high-speed transport links in wavelength channels and dark fiber applications. SDL is a very attractive alternative to conventional solutions such as ATM and PPP-over-SONET (POS) for high data rate environments. SDL has also been designed to facilitate many OAM&P functions needed in next generation multiservice optical packet networks including multiprotocol encapsulation, virtual links, quality-of-service (QoS) differentiation, link management, and control. We describe framing and data link synchronization procedures in SDL, and evaluate its performance over octet and bit synchronous transport facilities.

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Selected Areas in Communications, IEEE Journal on  (Volume:18 ,  Issue: 10 )