Reliability
Issue 3.4.1 June 2005
233
Table 45
compares average failure rates of various Avaya components with industry averages
for similar components, demonstrating Avaya’s commitment to reliability.
The data in
Table 45
shows that in several cases Avaya’s subassemblies are so reliable that it
would take twice the number of industry-typical subassemblies to reach the same availability
level.
Table 45: Comparison of circuit packs and subassemblies failure rates
1
1. All numbers assume 24 hours per day, 7 days per week usage.
Industry data
Avaya system elements
Component
Mean time
to failure
Component
Mean
time
to failure
Logic boards
2
2. Taken from Microsoft High Available Operations Guide.
3-20 years
Media processor circuit
pack
3
3. Based on numerous internal Avaya studies of millions of user-hours.
50 years
Disks
2
1-50 years
Protocol preprocessor
circuit pack (C-LAN)
50 years
ISP server class power
supply
4
4. Based on an internal survey of reputable vendors.
20-25 years
Digital line/trunk circuit
packs
72-77
years
Power (North America)
2
5.2 months
S8700 Server complex:
“duplex”/”high & critical”
9 / 90+
years
LAN
2
3 weeks
Power supplies
45 to 60
years
IP Server Interface (IPSI)
circuit pack
50 years
Expansion Interface (EI)
circuit pack
20 years
(Industry) Power (North
America)
5.2
months
(Industry) LAN
3 weeks
Содержание Application Solutions
Страница 1: ...Avaya Application Solutions IP Telephony Deployment Guide 555 245 600 Issue 3 4 1 June 2005 ...
Страница 20: ...About This Book 20 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 21: ...Issue 3 4 1 June 2005 21 Section 1 Avaya Application Solutions product guide ...
Страница 22: ...22 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 74: ...Avaya Application Solutions platforms 74 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 106: ...Call processing 106 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 124: ...Avaya LAN switching products 124 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 139: ...Issue 3 4 1 June 2005 139 Section 2 Deploying IP Telephony ...
Страница 140: ...140 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 186: ...Traffic engineering 186 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 204: ...Security 204 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 214: ...Voice quality network requirements 214 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 228: ...Avaya Integrated Management 228 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 239: ...Reliability Issue 3 4 1 June 2005 239 Figure 69 S8700 Media Server in a high reliability configuration ...
Страница 274: ...Reliability and Recovery 274 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 275: ...Issue 3 4 1 June 2005 275 Section 3 Getting the IP network ready for telephony ...
Страница 276: ...276 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 350: ...Implementing Communication Manager on a data network 350 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 356: ...Network recovery 356 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 366: ...Network assessment offer 366 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 367: ...Issue 3 4 1 June 2005 367 Appendixes ...
Страница 368: ...Appendixes 368 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 394: ...Access list 394 Avaya Application Solutions IP Telephony Deployment Guide ...
Страница 414: ...DHCP TFTP 414 Avaya Application Solutions IP Telephony Deployment Guide ...