Software Patch; Basic Concepts; Features - Huawei U-SYS MRS6100 Technical Manual

Technical Manual
U-SYS MRS6100 Media Resource Server
Supporting up to 128 traffic statistics tasks at the same time.
Saving 26000 traffic statistics records at the maximum.
Saving traffic statistics information generated within three months at the
maximum.
The FAM equipment can respond to the request from the BAM within five
seconds.

7.6 Software Patch

After the equipment is put into service, it is required to perform some modifications
on adaptability and error-elimination of the FAM software, for example, eliminating
bugs in the system, adding new functions to meet service requirements. In this case,
software patch is used to upgrade software without affecting the normal running of
equipment.

7.6.1 Basic Concepts

Patch: A segment of executable codes used for replacing the corresponding
codes in the system, which are erroneous or need to be updated.
Patch No.: Multiple errors may occur during the system running, so, multiple
patches are required. These patches are numbered according to the creation
time, and the number is the patch number. For example, 1# patch and 2#
patch.
Patch area: A space in the system memory reserved specially for storing
patches.
General patch: It is used to solve problems that are common to all users using
the same basic version, for example, bugs in the program.
Special patch: It is used to solve problems that are specific to certain users.
Patch file: It includes all patch files for the same basic version.

7.6.2 Features

I. A software patch based on a software version
A software patch is developed based on a basic version, and can only be used for
that basic version. When the number of patches for a basic version reaches the
threshold, software upgrading is required. The patches for the old version are
integrated into the new version, and the patches for the new version will be
released when a new problem occurs.
II. Multiple patches composing a patch file
For each error, one or more patches can be developed to solve the problem, and
each patch is assigned with a patch number. The patch number starts from 1, and
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Chapter 7 Operation and Maintenance