Little Demonstration of the Power in Discovery

1
Little Demonstration of the Power in Discovery

• Jason Hill, Steve Ross
• David E. Culler
• Computer Science Division
• U.C. Berkeley

2
Understanding Going In

• Key Leverage Composable Services
• ease of authoring by automated scalability,
  availability
• push services into the infrastructure
• build new services from component services
• Key Tool Transcoding Operators
• adapt form or content to desired use
• Security fundamental to Universal Computing
• Tremendous Diversity Emerging without Plan
• wide array of services
• clients gt information appliances
• Small devices impose interesting constraints

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Example

• Pilot too slow to support effective Public Key
  Encryption (eg, SSL)
• shared key techniques are viable (eg., DES)
• gt encryption proxy
• device interacts with trusted proxy using shared
  secret
• proxy interacts with rest of the internet using
  PKI
• The Really Important Idea Identity Service
• a strong box to lock away all your keys
• a critical level of indirection
• map you and your mode of access -gt your identity
  and mode of authentication at each service

Service
Encription Proxy
Weak Client
RMI(DES)
SSL
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Typical Internet Service
DATEK (Trust Contract)
Trusted Client
The Internet
https
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Infrastructure Services Embedded Untrusted
Interface
NINJA
Key Store
sRMI
Content Filter (pseudonym)
Embeded Untrusted Client
https
DATEK (Trust Contract)
Trusted Client
The Internet
https
6
Constrained Personal Info Appliance - Untrusted
Gateway
NINJA
Key Store
Personal Appl
sRMI
GWY
RMI PXY
ST
CF
Content Filter (pseudonym)
Embeded Untrusted Client
https
DATEK (Trust Contract)
Trusted Client
The Internet
https
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Uniform Access to Diverse Services
NINJA
Key Store
Personal Appl
sRMI
GWY
RMI PXY
ST
CF
Trade-R-us
Trade-R-us
Content Filter (pseudonym)
Embeded Untrusted Client
https
DATEK (Trust Contract)
Trusted Client
The Internet
https
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Automated Clients
NINJA
Key Store
Personal Appl
sRMI
GWY
RMI PXY
ST
CF
BOT svc
Trade-R-us
Trade-R-us
Content Filter (pseudonym)
Embeded Untrusted Client
https
DATEK (Trust Contract)
Trusted Client
The Internet
https
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Take-Away

• Composable Services in the infrastructure
• key enabling concept
• new level of programming
• Towards an Architecture for Universal Computing
• in the presence of diverse concurrent development
• Eureka Phenomenon
• the most fundamental service are probably those
  yet to be discovered
• ex identity service
• only find them by building the world and living
  in it