Avaya 11-300244 사용자 설명서
Avaya Modular Messaging Concepts and Planning Guide
13-18
November 2004
Avaya Modular Messaging Concepts and
Planning Guide
Message retention estimate
To calculate the message retention estimate, planners need the following
information:
information:
!
Percentage of daily messages retained (A)
Average length of fax
messages
messages
3 pages
Page coverage
80%
Storage format
.tif
Fax / day / heavy user
0.75 faxes
% heavy users
10%
Fax / day / user
0.075 faxes
Retention time
2 days
% busy hour
14%
Standard
Fine
Average
Mix
50%
50%
100%
Storage per page
40.0 KB
80.0
60.0
Port utilization per page
40.0 seconds
70.0
55.0
Storage
Per fax
120.0 KB
240.0
180.0
Per user / day
9.0 KB
18.0
13.5
Per user base / day
4.5 MB
9.0
6.8
Retention
9.0 MB
18.0
13.5
Port utilization
Per fax
120.0 seconds
210
165.0
Per user / day
9.0 seconds
15.8
12.4
Per user base / day
4,500.0 seconds
7,875.0
6,187.5
Per user base / busy hour
630.0 seconds
1,102.5
866.3
Per user base / busy hour
6.3 ccs
11.0
8.7
Per user base / busy hour
0.2 erlangs
0.3
0.2
Table 13-7. Fax port and storage planning