Conducting Leading-Edge Software R&D in a Globalized ... · Conducting Leading-Edge Software R&D in...
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Conducting Leading-Edge
Software R&D in a Globalized,
Commoditized World
Dr. Douglas C. Schmidt
Deputy Director, Research, and Chief Technology Officer
Software Engineering Institute, CMU
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• The impact of globalization & commoditization of information technology (IT) on software R&D
• Globalization
• “I speak Spanish to my God, Italian to women, French to men, German to my horse, – Paraphrasing King Charles the 5th of Spain
• Commoditization of IT
• “Everything gets cheaper forever” – John Chambers, CEO Cisco Systems
• Software R&D
• Innovating software for competitive advantage
& Japanese to my boss”
What this Talk is About
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My Background
Conducting Leading-Edge Software R&D in a
Globalized, Commoditized World
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My Background
BA & MA, Sociology
MS & PhD, Computer
Science
Education
Asst. Prof
Assoc. Prof
Full Prof
Academics
Program Manager & Deputy Director
Co-Chair, Software Design & Productivity
CTO
CTO
Government/Industry
USAF Science Advisory Board
CTO
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Chief Technology Officer role
• Lead the formulation of the SEI's technology strategy
• Amplify external relationships with academia & industry
• Align the expertise of the SEI technical staff to identify & respond to the needs of sponsors, customers, & partners
• Help the SEI shape future innovations in complex software-reliant systems
Deputy Director, Research role
• (Meta) Manage the line funded programs, including the Internal R&D program
• Manage the technical interface to the DoD & other US government agencies
What I Do at the SEI
Provide technical management across SEI lines of business to ensure that SEI program R&D plans are
aligned with overall SEI R&D strategy plans
SEI’s research program is essential to ensure a long/healthy future as an R&D FFRDC
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Consequences of IT
Commoditization
Conducting Leading-Edge Software R&D in a
Globalized, Commoditized World
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CPU & network performance has increased by orders of magnitude in past decades
1,200 bits/sec to 10+ Gigabits/sec
The Road Ahead
Extrapolating these trends another decade or so yields • ~4-5 Gigahertz CPUs with 10s-100s of cores • ~100 Gigabits/sec LANs • ~100 Megabits/sec wireless • ~10 Terabits/sec Internet backbone
10 Megahertz to ~3 Gigahertz
Unfortunately, software quality & productivity hasn’t improved as rapidly or predictably as hardware – especially for mission-critical distributed real-time
& embedded systems
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Why Hardware Improves So Consistently Advances in hardware & networks stem largely from R&D
on standardized & reusable APIs & protocols
x86 chipsets TCP/IP
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Why Software Fails to Improve as Consistently
Proprietary & Stovepiped
Application & Infrastructure
Software
Standard/COTS Hardware &
Networks
Application Software
Application Software
Application Software
Application Software
Commodity software quality has historically lagged behind commodity hardware, especially for mission-critical distributed real-time & embedded systems
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• Organizational & managerial impediments
• Economic impediments
• Policy impediments
• Political impediments
• Psychological impediments
• …
Human Nature Technical Complexities
Accidental Complexities
• Low-level APIs & debugging tools
• Interoperability & portability
Inherent Complexities
• Quality of service (QoS)
• Scheduling & synchronization
• Intermittent connectivity
• Information assurance
• …
www.cs.wustl.edu/~schmidt/reuse-lessons.html
What’s So Hard About Software?
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Endsystem Endsystem
Operating System
Operating System
Wireless/Wireline Networks
Sensor Systems
Weapons Systems
C2 System Weapons Control
Technology base: Proprietary MW VxWorks FDDI/LANS
Engagement System
Technology base: Proprietary MW POSIX VME/1553
Kill Eval
Sched EO Illum
Network
AAW EG AAW
AAW
TBM EG AAW
AAW
AAW MG
TMB MG
Technology base: Proprietary MW Mercury Link16/11/4
Technology base: DII-COE POSIX ATM/Ethernet
Technology base: Proprietary MW POSIX NTDS
Evolution of DoD Software Development Legacy DoD systems have historically been: • Stovepiped • Proprietary • Brittle & non-adaptive • Expensive • Vulnerable
Consequence: Small HW/SW changes have big impact on system QoS & maintenance
Applications Applications
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Applications
Endsystem
Applications
Endsystem Wireless/Wireline Networks
Operating System
Operating System
Sensor Systems
Weapons Systems
C2 System Weapons Control
Engagement System
Common Services Common Services
Distribution Middleware Distribution Middleware
Infrastructure Middleware Infrastructure Middleware
Domain-Specific Services Domain-Specific Services
Middleware
• Middleware has effectively factored out many reusable services from traditional application responsibility
• Essential for product-line architectures, common operating environments, open architectures, etc.
Wireless/Wireline Networks
Evolution of DoD Software Development
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Example: The Evolution of Middleware
Historically, mission-critical apps were built directly atop hardware
• Tedious, error-prone, & costly over lifecycles
Standards-based COTS middleware helps support key mission goals:
• Control end-to-end resources & QoS
• Leverage hardware & software technology advances
• Evolve to new environments & requirements
• Provide a wide array of reusable, off-the-shelf developer-oriented services
There are layers of middleware, just like there are layers of networking protocols
Hardware
Domain-Specific Services
Common Middleware Services
Distribution Middleware
Host Infrastructure Middleware
& OS
Operating Systems & Protocols
Applications
Maturation of middleware driven by decades of
government R&D funding
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• More emphasis on integration rather than programming
• Increased technology convergence & standardization
• Mass market economies of scale for technology & personnel
• More disruptive technologies & global competition
• Lower priced—but often lower quality—hardware & software components
• The decline of internally funded R&D (eating our seed corn)
• Potential complexity cap in next-generation systems-of-systems & ultra-large-scale systems
Consequences of Software Commoditization
Not all trends bode well
for traditional business &
technology leaders
Ultimately, success requires mastery of
non-commoditized domains, e.g.,
distributed real-time & embedded systems
Hardware
Domain-Specific Services
Common Middleware Services
Distribution Middleware
Host Infrastructure Middleware
Operating Systems & Protocols
Applications
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Reality Check: Software Expertise in the Flat World
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SEI’s R&D Strategy
Conducting Leading-Edge Software R&D in a
Globalized, Commoditized World
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DoD’s Software Challenge
F/A-22 SBIRS High
Future Combat System (FCS)
DDG 1000
“If software isn't a major part of the cost of weapons systems, then it's a very significant part of the cost … You can build a frigate which costs $500 million to buy, but the largest part of the expense would not be the hull or the weapons, it would be the hardware and software.”
“The Software Challenge: Balancing Costs and Security Risks,” January 16, 2009, Wharton Aerospace and Defense Report
Joint Tactical Radio Systems (JTRS)
“New GAO report highlights $6.9 billion in over-budget IT projects at the Department of Defense” – ZDNet, 9/30/2010
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Source: FY11 Air Force SAB study on “Sustaining Aging Aircraft”
0%
20%
40%
60%
80%
100%
F-4 (1960) A-7 (1964) F-111 (1970) F-15 (1975) F-16 (1982) B-2 (1990) F-22 (2000) F-35 (2006)
Program (Year)
Percentage of Functionality Implemented in Software
Source: Lockheed Martin Aeronautics
DoD Software is Growing in Size & Complexity
“[Software] continues to grow in importance in our weapons systems & remains a significant contributor to program cost, schedule, & performance shortfalls.” – Honorable Pete Aldridge, former USD, ATL
Software & testing delays push costs above Congressional ceiling
Multi-year delays associated with software & system stability
% of Specification Requirements Involving Software Control
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0%
20%
40%
60%
80%
100%
F-4 (1960) A-7 (1964) F-111 (1970) F-15 (1975) F-16 (1982) B-2 (1990) F-22 (2000) F-35 (2006)
Program (Year)
Percentage of Functionality Implemented in Software
Source: Lockheed Martin Aeronautics
DoD Software is Growing in Size & Complexity
% of Specification Requirements Involving Software Control
Source: FY11 Air Force SAB study on “Sustaining Aging Aircraft”
DoD systems are increasingly dependent upon software, but
it's also increasingly hard to motivate investments in long-
term software research
A 45% reduction in constant dollars over past decade for
software research (SDP & HCSS)
From NRC Report Critical Code: Software Producibility for Defense
(2010), sponsored by Office of the Secretary of Defense (OSD) www.nap.edu/openbook.php?record_id=12979&page=R1
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Limitations with software contribute significantly to gap between (1) the IT the
DoD needs vs. (2) the IT the DoD can afford given
–Current level of technology maturity
–Decade-long tailing off of DoD software R&D
investments (especially “6.2” investments)
–Atrophy of government expertise-base
DoD Software Science & Technology Status
MICROSOFT MICROSOFT
CISCO CISCO SUN SUN
DARPA DARPA
IBM IBM
Misconception The IT industry is a well-populated oasis for DoD programs
Microsoft
Cisco IBM
HP
Google Apple
Xerox PARC Facebook Oracle
DARPA DARPA
CMU CMU
Stanford Stanford
USC ISI USC ISI MIT MIT
Reality IT R&D investment is needed to seed & transform the IT desert for the DoD
DARPA
SEI
DOE
NASA
NIST
DoD Service Labs
FAA
NSF
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• Commercial R&D often inappropriate for DoD problems
• It’s targeted for specific products, not long-term tech improvement
• Focused on selling products – dependability is lower priority
• Global resourcing/competition for R&D limits applicability to DoD
Why Commercial Industry Alone Won’t Solve the DoD Software Problem
DoD Software Science & Technology Status
MICROSOFT MICROSOFT
CISCO CISCO SUN SUN
DARPA DARPA
IBM IBM
Misconception The IT industry is a well-populated oasis for DoD programs
Microsoft
Cisco IBM
HP
Google Apple
Xerox PARC Facebook Oracle
DARPA DARPA
CMU CMU
Stanford Stanford
USC ISI USC ISI MIT MIT
Reality IT R&D investment is needed to seed & transform the IT desert for the DoD
DARPA
SEI
DOE
NASA
NIST
DoD Service Labs
FAA
NSF
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• R&D targeted at company-specific projects
• Software enhances competitiveness but not a direct profit driver for many DoD activities
• Less interest in retaining software technologies as company IP
Why Defense Industry Alone Won’t Solve the DoD Software Problem
DoD Software Science & Technology Status
MICROSOFT MICROSOFT
CISCO CISCO SUN SUN
DARPA DARPA
IBM IBM
Misconception The IT industry is a well-populated oasis for DoD programs
Microsoft
Cisco IBM
HP
Google Apple
Xerox PARC Facebook Oracle
DARPA DARPA
CMU CMU
Stanford Stanford
USC ISI USC ISI MIT MIT
Reality IT R&D investment is needed to seed & transform the IT desert for the DoD
DARPA
SEI
DOE
NASA
NIST
DoD Service Labs
FAA
NSF
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What the SEI Does & the Value We Provide
Mission: advancing the practice of software engineering through research & technology transition
• SEI provides value to DoD, DHS, & other sponsors/customers via
Research & Development
Technical Support
Workforce Development
Academia & R&D Labs
DoD & COTS
Industry
SEI
Programs & Agencies
EXPLORE CREATE APPLY AMPLIFY SUSTAIN
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Summary of SEI's Strategic R&D Plan
Securing the Cyber
Infrastructure
Advancing Quantitative Methods for Engineering
Software
Innovating Software for Competitive Advantage
“Prevent surprise” to DoD, Intelligence Communities, & SEI
What Difference It Makes
Prepare for an uncertain future
What We Are Doing
EXPLORE CREATE APPLY AMPLIFY SUSTAIN
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Summary of SEI's Strategic R&D Plan
What Difference It Makes
Securing the Cyber
Infrastructure
Advancing Quantitative Methods for Engineering
Software
Innovating Software for Competitive Advantage
Produce innovations that revolutionize development of assured software- reliant systems
Maintain US competitive edge software technologies vital to National security
What We Are Doing
EXPLORE CREATE APPLY AMPLIFY SUSTAIN
Research, Technology, & System Solutions
(RTSS)
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Summary of SEI's Strategic R&D Plan
What Difference It Makes
Securing the Cyber
Infrastructure
Advancing Quantitative Methods for Engineering
Software
Innovating Software for Competitive Advantage
Improve the sustainment, affordability, & availability of software-reliant systems through quantitative models, measurement, & management methods
Reduce the cost, acquisition time, & risk of our major defense acquisition programs
What We Are Doing
EXPLORE CREATE APPLY AMPLIFY SUSTAIN
Software Engineering Measurement & Analysis (SEMA)
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Securing the Cyber
Infrastructure
Advancing Quantitative Methods for Engineering
Software
Innovating Software for Competitive Advantage
Summary of SEI's Strategic R&D Plan
Enable informed trust & confidence in using information & communication technology to ensure a securely connected world
Protect & sustain vital US cyber assets & services
What Difference It Makes What We Are Doing
EXPLORE CREATE APPLY AMPLIFY SUSTAIN
Networked Systems Survivability (NSS) &
CERT
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Summary of SEI's Strategic R&D Plan
What Difference It Makes
Securing the Cyber
Infrastructure
Advancing Quantitative Methods for Engineering
Software
Innovating Software for Competitive Advantage
Expedite delivery of technical capabilities to win the current fight
What We Are Doing
EXPLORE CREATE APPLY AMPLIFY SUSTAIN
Ensure predictable mission performance in the acquisition, operation, & sustainment of software-reliant systems
Acquisition Support Program (ASP)
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What I’ve learned Leading/Managing R&D Groups • Dissemination of information is essential for
visibility & continued success/impact
• Publish where it matters to ensure the most success/impact
• e.g., where the bulk of the sponsors, customers, & partners reside
• Software R&D impact most often comes from working on hard problems together with partners, customers, & consumers
• Be relevant, modern, practical, & scalable
• Collaborations are essential to expand R&D reach & amplify R&D expertise
• “The more you give, the more you get”
• Open-source can be an impact accelerator
“A person who has the knowledge,
but lacks the power to express it, is
no better off than if he/she never
had any ideas at all.” – Thucydides
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Concluding Remarks • In a highly commoditized, IT-driven economy,
human resources are an increasingly strategic asset
• Quality technical staff are rarely “plug compatible” or easily replaceable
• Premium value & competitive advantage accrues to individuals, organizations, & companies that
• Continue to invest in software R&D &
• Master principles, patterns, & protocols necessary to integrate COTS hardware & software to develop complex systems that can't be bought off-the-shelf yet
• To succeed requires close collaboration between academia, industry, & government
See blog.sei.cmu.edu for more discussions of SEI software R&D activities
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Contact Information
Douglas C. Schmidt
Deputy Director, Research, & CTO
Telephone: +1 615-294-9573
Email: [email protected]
U.S. mail:
Software Engineering Institute
Carnegie Mellon University
4500 Fifth Avenue
Pittsburgh, PA 15213-2612
USA
Web:
www.sei.cmu.edu
www.sei.cmu.edu/contact.cfm
Customer Relations
Email: [email protected]
Telephone: +1 412-268-5800
SEI Phone: +1 412-268-5800
SEI Fax: +1 412-268-6257
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• This material SHALL NOT be reproduced or used for any other purpose without
requesting formal permission from the SEI at [email protected].
• THE MATERIAL IS PROVIDED ON AN “AS IS” BASIS, & CARNEGIE MELLON
DISCLAIMS ANY & ALL WARRANTIES, IMPLIED OR OTHERWISE (INCLUDING, BUT
NOT LIMITED TO, WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE,
RESULTS OBTAINED FROM USE OF THE MATERIAL, MERCHANTABILITY, AND/OR
NON-INFRINGEMENT).
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Backup
Conducting Leading-Edge Software R&D in a
Globalized, Commoditized World
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34
www.cs.wustl.edu/~schmidt/ACE.html
Host Infrastructure Middleware • Encapsulates & enhances native OS mechanisms to create
reusable network programming components
Domain-Specific
Services
Common
Middleware Services
Distribution
Middleware
Host Infrastructure
Middleware
Synchronization
Memory Management
Physical Memory Access
Asynchronous Event Handling
Scheduling
Asynchronous Transfer of
Control
www.rtj.org
• Examples • Java Virtual Machine (JVM), Common Language Runtime (CLR),
ADAPTIVE Communication Environment (ACE)
Host infrastructure middleware components abstract away
many tedious & error-prone aspects of low-level OS APIs
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Distribution Middleware • Defines distributed programming models whose reusable APIs &
components automate & extend native OS capabilities
Distribution middleware avoids hard-coding client & server application
dependencies on object location, language, OS, protocols, & hardware
• Examples • OMG Real-time CORBA & the Data Distribution Service (DDS),
W3C Simple Object Application Protocol (SOAP) Remote Procedure Calls (RPCs)
ClientOBJ
REF
Object
(Servant)in args
operation()
out args + return
IDL
STUBS
IDL
SKEL
Object Adapter
ORB CORE GIOP
Protocol Properties
End-to-End Priority
Propagation
Thread
Pools
Standard
SynchronizersExplicit
Binding
Portable Priorities
Scheduling
Service
en.wikipedia.org/wiki/Data_Distribution_Service realtime.omg.org/
Domain-Specific
Services
Common
Middleware Services
Distribution
Middleware
Host Infrastructure
Middleware
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Common Middleware Services
• Augments distribution middleware by defining domain-independent services that focus on programming “business logic”
• Common middleware services support many recurring distributed system capabilities, e.g.,
• Transactions & load balancing
• Authentication & authorization
• Database connection pooling & concurrency control
• Active or passive replication
• Dynamic resource management
• Examples • Sun’s J2EE, Microsoft’s .NET, W3C Web Services, CORBA
Component Model & Object Services
Domain-Specific
Services
Common
Middleware Services
Distribution
Middleware
Host Infrastructure
Middleware
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Domain-Specific Middleware
Modalities
e.g., MRI, CT, CR, Ultrasound, etc.
Siemens MED Syngo • Domain-specific services for distributed
electronic medical systems
• Used by all Siemens MED business units worldwide
• Services tailored to the requirements of particular domains, such as telecom, e-commerce, health care, process automation, avionics, etc.
Boeing Bold Stroke • Domain-specific
services for avionics mission computers
• Examples
Domain-Specific
Services
Common
Middleware Services
Distribution
Middleware
Host Infrastructure
Middleware
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My R&D Background: Software for Distributed Real-time & Embedded (DRE) systems
In DRE systems the “right answer” delivered too late becomes the “wrong answer”!!
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www.dre.vanderbilt.edu/~schmidt
Model-based analysis, generation, & integration
Distributed continuous quality assurance techniques
QoS-enabled component
middleware & frameworks
GPS IFF FLIR
Object Request Broker
Air Frame
AP Nav WTS
Event Channel
Replication Service
Synchronization Persistence Fault Tolerance
Memory Management
Cross-cutting Concerns
Multi-faceted Software Development
Patterns to capture best
practices & design experience
My Areas of Expertise: Patterns, Frameworks, & Tools for DRE System Middleware & Applications
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Some Measures of My R&D Impact • 500+ papers & 10 books
• “h index” = 62
• $26+ M funding from 50+ sponsors
• 40+ Ph.D. & MS students graduated
• Created 3+ million lines of open-source software
• download.dre.vanderbilt.edu
• 1,000+ of commercial & military users
• www.dre.vanderbilt.edu/users.html
www.dre.vanderbilt.edu/~schmidt/CV.html
Communications Military/Aerospace Financial Services Health Care
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Some Measures of My R&D Impact • 500+ papers & 10 books
• “h index” = 62
• $26+ M funding from 50+ sponsors
• 40+ Ph.D. & MS students graduated
• Created 3+ million lines of open-source software
• download.dre.vanderbilt.edu
• 1,000+ of commercial & military users
• www.dre.vanderbilt.edu/users.html
• Spawned $100+ million industry over past decade
www.dre.vanderbilt.edu/~schmidt/CV.html
www.dre.vanderbilt.edu/support.html