[SCM] linuxptp/debian/sid: Mention the main differences to NTP in the package description

[scorpi-guest at users.alioth.debian.org]

The following commit has been merged in the debian/sid branch:
commit 4ab7602db000e003466e6589a16db935890f91a1
Author: Tino Mettler <tino+debian at tikei.de>
Date:   Tue Jun 2 14:02:26 2015 +0200

    Mention the main differences to NTP in the package description
    
    The package description was enhanced to help users who know NTP but never
    heard of PTP learning about the main differences.

diff --git a/debian/control b/debian/control
index 16279f1..a46e520 100644
--- a/debian/control
+++ b/debian/control
@@ -24,3 +24,8 @@ Description: Precision Time Protocol (PTP, IEEE1588) implementation for Linux
   - implementation of Boundary Clock (BC) and Ordinary Clock (OC)
   - transport over UDP/IPv4, UDP/IPv6, and raw Ethernet (Layer 2)
   - support for IEEE 802.1AS-2011 in the role of end station
+ .
+ PTP provides higher precision and faster synchronization than NTP even
+ without hardware support. With hardware support, sub-microsecond
+ accuracy can be expected. Whereas NTP is intended for WAN use, PTP is
+ designed for LAN environments and makes use of UDP multicast.

-- 
linuxptp packaging