In a message dated 6/27/2006 9:59:17 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Has anyone seen the documentation for Server Time Protocol (STP) which
is suppose to replace the 9037?
>>
I just clicked on the links in the announcement.
Preview — Server Time Protocol (STP)
IBM plans to make available a new time synchronization feature, STP, which is
designed to provide the capability for multiple System z9 and zSeries
servers to maintain time synchronization with each other. STP is planned to be
the
follow-on to the Sysplex Timer® (9037-002). The Sysplex Timer and STP are
designed to allow events occurring in different System z9, zSeries, and S/390
servers to be properly sequenced in time.
STP is designed for servers that have been configured to be in a Parallel
Sysplex® or a sysplex (without a Coupling Facility) as well as servers that
are
not in a sysplex, but need to be time synchronized. STP is designed to allow
timing information to be sent between servers and CFs over InterSystem
Channel-3 (ISC-3) links configured in peer mode, Integrated Cluster Bus-3
(ICB-3)
links, or Integrated Cluster Bus-4 (ICB-4) links.
STP is designed to:
* Allow clock synchronization for the z9-109, z990, and z890 servers
and CFs without requiring the Sysplex Timer
* Support a multisite timing network of up to 100 km (62 miles) over
fiber optic cabling, allowing a Parallel Sysplex to span these distances
* Potentially reduce the cross-site connectivity required for a
multisite Parallel Sysplex
* Coexist with an ETR network
* Allow use of dial-out time services to set the time to an
international time standard (such as Coordinated Universal Time [UTC]) as well
as adjust
to UTC on a periodic basis
* Allow setting of local time parameters, such as time zone and
Daylight Savings Time
* Allow automatic updates of Daylight Savings Time
STP is planned to be available as a feature on the z9-109, z990, and z890,
and to be supported by z/OS V1.7 (PTFs will be required to enable STP support).
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