N e t w o r k R e l i a b i l i t y

1
Network Reliability and Interoperability Council
V
PACKET SWITCHING BEST PRACTICES
October 30, 2001
KARL F. RAUSCHER Chair - Focus Group 2,
Subcommittee A2 Director Network Reliability
Bell Labs Advanced Technologies, Lucent
Technologies
2
Outline

• Charter
• Membership
• Deliverables
• Timeline
• Recommendations / Next Steps

3
Charter
The purpose of the Packet Switching Best
Practices Subcommittee is to provide
recommendations for the FCC and to the
telecommunications industry that, when
implemented, will assure optimal reliability of
public telecommunications networks. The duties
of the Subcommittee will be to gather the data
and information necessary to prepare studies,
reports, and recommendations for assuring optimal
packet switched network reliability within the
parameters set forth in the NRIC V Charter. The
Subcommittee will also monitor future
developments to ensure that network reliability
is not at risk. Building on the work of NRIC IV,
as appropriate, the Subcommittee will continue to
develop best practices recommendations and refine
or modify, as appropriate, best practices
recommendations. The Subcommittee will evaluate
and report on the extent to which
telecommunications common carriers and equipment
suppliers are using best practices
recommendations and applicable ANSI Committee T-1
standards, and identify ways to increase the use
of best practices and relevant Committee T-1
standards by telecommunications service providers
and equipment suppliers. The Subcommittees
scope includes packet switching-based wireless
network services.
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Membership Strong Industry Representation
Equipment Suppliers
Others
Service Providers and/or Network
Operators
ATT PJ Aduskevicz, Chair 2.B1 Rick Canaday,
Brad Beard BellSouth Marc Schwait, Archie
McCain Covad Communications Michael
Marchando Level3 Doug Sicker, S.C. Vice
Chair Worldcom Ahmed Patel Qwest Jamal
Boudhaouia Rachel Torrence Sprint Danmei Wu SBC
Communications Jim Lankford Arvind Mallya
Verizon Wayne Chiles
Alcatel Ken Biholar Cisco Systems Art
Reilly Convedia Galrand Sharratt Juniper
Networks Fred Stringer LongBoard Philip
Patrick Lucent Technologies Anil Macwan Karl
Rauscher, CHAIR Nortel Networks Dean
Henderson Marconi Communications Brad Nelson
FCC Kent Nilsson, D.F.O. Whitey Thayer Shanti
Gupta Mitretek Systems Michael Caloyannides,
Chair 2.B2 Telcordia Technologies Rick
Harrison, Chair 2.A1 Gary Hayward Pete
Shelus SAIC Hank Kluepfel USTA Norb Lucash
Memberships include ASQ, ATM Forum, IEC, IEEE
CQR, IPDR, ISC, NIIF, NRSC, NSTAC, QuEST, RQMS
Forum, SIP Forum, T1A1, TL9000 (see Slide 15)
Task Group Leaders
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Deliverables

• Network Reliability Best Practice Recommendations
  for Packet Switched Telecommunications Network
  Services
• Refinement / Modification of Existing (Circuit
  Switching) Best Practices
• New Best Practices
• Evaluation of the industry use of Best Practices
• Recommendations to implement and increase the use
  of Best Practices
• Final Report to the Nation on Packet Switching
  Best Practices
• Special Reports from Monitoring Developments or
  Specific Network Outages

Progress to Date
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Survey Overview

• Survey conducted in August September Timeframe
• Confidential - Non Disclosure Agreement with BPI
  Telcodata
• Strong Increase in Number of Participants from
  last NRIC Survey
• Companies up 225
• Business units up 375
• Packet-switched business units up from 0 to 19

NRIC IV
NRIC V
Responses
Responses
Service Providers
Packet
0
9
Circuit
7
20
Equipment Suppliers
Packet
0
10
Circuit
5
6
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Survey Overview

• Subcommittee Charter shaped the Survey
  Objectives
• evaluate and report on the extent to which
  telecommunications common carriers and equipment
  suppliers are using Best Practices
  recommendations, and
• identify ways to increase the use of Best
  Practices
• In addition to Implementation, other factors were
  measured
• Cost of Implementing the Best Practice
• Effectiveness of the Best Practice
• Risk of Not Implementing the Best Practice
• Detailed Analysis Report for each Best Practice

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Best Practices

• Words from the First Council
• Not every recommendation will be appropriate
  for every company in every circumstance, but
  taken as a whole, the Council expects that these
  findings and recommendations will sustain and
  continuously improve network reliability.
• Previous Councils identified Best Practices,
  already in use by individual companies, for
  consideration by the rest of the industry.
• Best Practices are . . . not requirements or
  standards

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Summary of Industry Survey Responses
Implementation
Good

• Service Providers
• Packet Switching
• 50 of Responders Implementing at least 97 of
  the Best Practices
• 90 of Responders Implementing at least 66 of
  the Best Practices
• Circuit Switching
• 50 of Responders Implementing at least 98 of
  the Best Practices
• 90 of Responders Implementing at least 56 of
  the Best Practices

High Level of Implementation of Best Practices
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Summary of Industry Survey Responses
Implementation
Good

• Equipment Suppliers
• Packet Switching
• 50 of Responders Implementing at least 98 of
  the Best Practices
• 90 of Responders Implementing at least 67 of
  the Best Practices
• Circuit Switching
• 50 of Responders Implementing 100 of the Best
  Practices
• 90 of Responders Implementing at least 74 of
  the Best Practices

High Level of Implementation of Best Practices
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Summary of Industry Survey Responses
Effectiveness

• Service Providers
• Packet Switching
• 50 of Responders Describe at least 99 of Best
  Practices as Effective
• Circuit Switching
• 50 of Responders Describe 100 of Best Practices
  as Effective

Good
Best Practices Are Effective in Preventing Outages
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Summary of Industry Survey Responses
Effectiveness

• Equipment Suppliers
• Packet Switching
• 50 of Responders Describe 100 of Best Practices
  as Effective
• Circuit Switching
• 50 of Responders Describe 100 of Best Practices
  as Effective

Good
Best Practices Are Effective in Preventing Outages
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Summary of Industry Survey Responses Cost

• Service Providers
• Packet Switching
• 50 of Responders Considered 87 of the Best
  Practices As NOT Having a High Cost to Implement
• Circuit Switching
• 50 of Responders Considered 89 of the Best
  Practices As NOT Having a High Cost to Implement

Good
Most Best Practices are NOT high cost
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Summary of Industry Survey Responses Cost

• Equipment Suppliers
• Packet Switching
• 50 of Responders Considered Only 24 of the Best
  Practices As Having High Cost to Implement
• Circuit Switching
• 50 of Responders Considered 54 of the Best
  Practices As Having a High Cost to Implement

Good
Most Best Practices are NOT high cost - except
for Circuit Switched Equipment Suppliers
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Summary of Industry Survey Responses Risk

• Service Providers
• Packet Switching
• 50 of Responders Considered at least 94 of the
  Best Practices As Being Risky to Not Implement
• Circuit Switching
• 50 of Responders Considered at least 97 of the
  Best Practices As Being Risky to Not Implement

Good
Best Practices are Valued Risky when NOT
Implemented
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Summary of Industry Survey Responses Risk

• Equipment Suppliers
• Packet Switching
• 50 of Responders Considered at least 96 of the
  Best Practices As Being Risky to Not Implement
• Circuit Switching
• 50 of Responders Considered at least 98 of the
  Best Practices As Being Risky to Not Implement

Good
Best Practices are Valued Risky when NOT
Implemented
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Additional Survey Response Analyses

• Survey Response Analysis conducted on Keywords
• - Essential Services, Security, Power, Fire,
  Procedures, etc.
• Understand the whys for lowest scoring Best
  Practices (e.g., least implemented)
• Look for insights from relationships among
  Implementation, Effectiveness, Cost, and Risk
• Glean insights into how to promote better
  implementation of Best Practices

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Monitor Developments

• Developments
• September 11, 2001 Terrorist Attacks
• New Best Practices being considered capture
  learning
• Include Emergency Preparedness and Disaster
  Recovery for association as keywords
• Provide tutorials to various government entities
  on Best Practices
• NRIC V Subcommittees 2.B1 2 Voluntary Trial
  Reports
• Network Reliability Steering Committee (NRSC)
• Trend in signaling outages
• Reports without Best Practices identified
• California Energy Crisis Rolling Commercial
  Power Blackouts
• SBC confirmed that NRIC Power Best Practices are
  effective in preventing network outages
• DRAFT NRIC V Power Best Practices available at
  www.nric.org

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Timeline
-------- planned actual, in
progress actual, completed
Month
0
6
12
18
22
March, 2000
August, 2000
March, 2001
August, 2001 January, 2002
PLANNING
Charter Clarification

---
Team Assembly
---

EXECUTION

---------------------
Coordinate with Other Focus Groups
-------------------


-
Refine/Modify Existing
BPs
.
-


---------
Develop New
BPs
.
----------


--
Evaluate the Use of BPs.
--


--
Increase Use of BPs.
--


-------------------------------
Monitor Developments
--------------------------------

REPORTING
Council Meetings
X
X
X
X
X
Final Report
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Recommendations / Next Steps

• Final recommendations are being prepared and will
  be sent to the Council
• Implement improved access for Best Practices
• (easier access on Web)

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Acknowledgements

• Subcommittee members and organizations (listed on
  Slide 4)
• time, resources, expertise, concern for the best
  interests of the industry
• Kent Nilsson, FCC NRIC V Designated Federal
  Officer
• FACA clarifications, recruiting of security SMEs
• Doug Sicker, Staci Pies, Level3 / NRIC V Steering
  Committee Leadership
• leadership, coordination, and support

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Represented Organizations
ASQ American Society for Quality ATM Forum
Asynchronous Transfer Mode Forum IEC
International Electrotechnical Commission IEEE
CQR IEEE Communications Society Technical
Committee on Communications Quality
Reliability IPDR Internet Protocol Data Record
Organization ISC International Softswitch
Consortium NIIF ATIS Network Interconnection
Interoperability Forum NRSC ATIS Network
reliability Steering Committee NSTAC National
Security Telecommunications Advisory
Committee QuEST Quality Excellence for
Suppliers of Telecommunications RQMS Forum
Telcordia Reliability and Quality Measurements
for Telecommunications Systems SIP Forum
Session Initiation Protocol Forum T1A1 ATIS
Committee T1, Performance Signal Processing