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Published: August 2009
25 Pages
Author: C. Mylonas
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Overview
Network Management Software (NMS) and Operational Support Systems (OSS) systems have long been a key part of the success of any operator, service provider and enterprise network. As the years pass we see the vendors of such products investing more and more specialized manpower on their development so as to empower their solutions to potentially bare fruitful results. Unfortunately, there is a notion that this shifted their focus more on the software itself rather than the network that will be managed with it, leaving a gap between a potentially powerful solution and off-the-shelf lack of capability to provide instantly an accurate solution.
The products themselves have the power to help doing a great job but the way of realizing this goal is not obvious anymore. Moreover, NMS and OSS integrators' teams seem to be biased more towards the software itself rather than the details of the managed networks, like missing the whole picture and the customer's perspective at large.
Key Benefits
Main Benefit:
A recommended and tested approach on architecting, deploying and
implementing OSS and NMS solutions with emphasis on fault management,
performance management and service management.
Value Added context:
- End to end evaluation matrix for any OSS/NMS solution
- Real life examples, like networks with CoS and various QoS offerings,
Internet Service definition and relevant SLA, DoS attacks identification,
services monitoring and alarming, IP managed SS7 network, SIP VoIP network.
- OSS / NMS primer
- OSS / NMS perspectives (industry, vendors and integrators, clients)
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Audience:
Operators and Services Providers: This report provides a method to
architect an effective OSS solution either from scratch or by modifying and
enhancing their current implementation. An evaluation matrix is also included to
be used either as is or enriched by specific needs for assessing various offers
that may be presented to them. Last, but not least, real life examples are
given, examples that can be used as is to expand the functionality of their
OSS/NMS installation.
Large Enterprises: More than quite often, they have a
small service provider to run and they use the same products as operators to
have the job done and face the same problems.
OSS/NMS Vendors and Integrators: This report providesan
insight of how their clients think and a roadmap to provide better services and
retain customers.
Network Vendors and Integrators: Their products are focused by OSS/NMS products and most, if not all, of them have OSS/NMS offerings, too.
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Table of Contents
1. Executive Summary. 3
2. Introduction to OSS and NMS.
5
3. NMS/OSS with regards to fault management, performance management
and service management 7
i. Perspectives. 7
1. Industry
perspective. 7
2. Buyer's perspective (operator, service provider,
enterprise) 9
3. Vendor/Integrator's perspective and common
off-the-shelf functionality. 14
4. Finding 1: Conflicting perspectives
and expectations. 15
5. Every day sample problems (elegant, simple but
too far away from off-the-shelf functionality) 16
i. QoS/CoS 1.
16
ii. QoS/CoS 2. 16
iii. Internet Service definition and
relevant SLA.. 17
iv. DoS attacks identification. 17
v.
Services monitoring and alarming (eg DNS, mail, AAA, etc) 18
vi. Future
trends in fault management and performance management and their effect on
service level management 18
6. Finding 2: A missing requirement
19
7. Recommended approach. 20
8. Testing the recommended
approach. 22
I. IP managed SS7 network. 22
II. SIP VoIP
network. 22
9. Conclusions (Summary and Recommendations)
23
10. Closing note. 23
11. ANNEX I - References.
24
12. ANNEX II - ABBREVIATIONS. 25
13. ANNEX III - List
of figures. 26
14. ANNEX IV - List of Tables. 27
15. ANNEX
V - About the author. 28
List of
Figures
Fig. 1: Document Flow. 4
Fig. 2: TMN
Architecture. 7
Fig. 3: Telecom Application Map - Highlighting the focus of
this report 8
Fig. 4: Recommended Process 20
List of Tables
Table 1: Report's benefits to the
reader. 3
Table 2: Clients' perspective - Sample efficiency evaluation.
10
Table 3: Clients' perspective - Sample technical evaluation. 11
Table
4: Clients' perspective - Sample integration evaluation. 11
Table 5: Clients'
perspective - Sample financial evaluation. 12
Table 6: Clients' perspective -
Sample supplier evaluation. 12
Table 7: Clients' perspective - Sample overall
evaluation. 13
Table 8: performance management as source for fault management
example 1. 16
Table 9: performance management as source for fault management
example 2. 16
Table 10: Transit Internet Service OSS/NMS definition.
17
Table 11: Simple, cost effective, yet powerful, DoS attack identification.
17
Table 12: Services monitoring. 18
Table 13: Performance management data
warehousing benefits. 18
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Charalampos Mylonas (Harry) worked as End to End Solutions Architect (CTO
role) at Alcatel Lucent for the Eircom NGN Project. An MPLS pioneer, he
managed projects up to Euros 120 million, teams up to 60 persons and up
to 6 concurrent subcontracting companies, built 1 international and 5 national
networks, produced effective solutions in very complex environments that
include systems, organizations, and competitive pressures. He has hands
on experience and expertise in IP based solutions and relevant implementations
at large (ISPs, VoIP, NGN & OSS), cross section, multi aspect, excellence,
expertise and achievement in Telecommunications, Voice, IT Systems and
Services in multi-million international and nationwide implementations,
both in engineering and in managing projects/resources (financial and human),
competent in a diversity of new technology fields and posses international
networking experience (across EMEA). He has expertise on IP, MPLS, NGN,
VoIP, IMS, SS7, OSS/NMS, Solutions architecture, telecoms technology strategy
and technical project management at carrier grade/CxO level.
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