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What is the difference between HDLC & PPP

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Question added by Abdel Mohsen Nashaat Moharam Hassan , System Administrator , شركة الربيع والصيف للتجارة
Date Posted: 2013/05/05
Upvote (2) Views (32) Followers (2) Answers (5) Report Question
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Mojahid Abdullrahem Hammed Mohammed
by Mojahid Abdullrahem Hammed Mohammed , Technical Support Engineer , Ratco Door Hardware

ppp point to point is used in frame relay tech.
HDLC is a cisco made protocol used in leased line (WAN connection)i.e in local loop.
Differences between HDLC and PPP are (1) HDLC is cisco proprietary while PPP is an open standard.
(2) HDLC does not provide authentication while PPP provides authentication like PAP and CHAP.
(3) HDLC does not support compression while PPP support compression.
(4) HDLC supports synchronous networks only while PPP supports both synchronous and asynchronous networks.

Shihabudeen Odakkal
by Shihabudeen Odakkal , Spare Parts Supervisor , Al Hassan Ghazi Ibrahim Shaker Co Ltd.

HDLC is a cisco proprietary while PPP is an open standard.

Mahmoud Eladl
by Mahmoud Eladl , android developer , أطياف للحلول المتكاملة

in HDLC used between cisco routers but PPP use between different routers

Akram Tauheed
by Akram Tauheed , Network Administrator , Manxsys

HDLC IS CISCO PROPRIETRY and less secure as PPP is open stander and morre secure

Mahmoud Abdalla Mohamed Ismail ismail
by Mahmoud Abdalla Mohamed Ismail ismail , Technical Support , Etisalat UAE

HDLC it is a wan protocol that is defult routed protocol in cisco routers and does not support authentication PPP it is wan protocol that support an authentication

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