Glossary

Access point
The netlet or node providing local access to a service.
Accounting group
Set of netlets whose resource charges are handled together.
Binding URL
A URL for invoking a binding protocol.
Binding
See service binding.
Binding protocol
A protocol for obtaining a netlet descriptor for a service access point.
Certificate
In this paper, a signed document binding a Public Key to a name.
Codebase
A collection of Jar files containing all the netlet's classes.
CRL
Certificate revocation list, a list of signed revocation statements.
Descriptor
See netlet descriptor.
Distinguished name
An X.500 name.
DTD
XML document type definition.
Facet
An alternative interface of an object that is obtained by querying the primary interface.
Hosting service
A service provided by a collection of nodes to allow remote netlet execution.
Hosting contract
The agreement under which a netlet executes on a node and is charged for it.
Jar
Java archive file format2.
Jtrix
The Java matrix--an open, Internet-wide collection of nodes and netlets.
JVM
The Java virtual machine
Mediator
A node-local communication object that exports a single interface across a netlet boundary.
Netlet
An executable, context-independent component in Jtrix.
Netlet descriptor
An XML document given to a node to create a netlet.
Node
A local environment where netlets can execute and exchange services.
Parameter bean
A container for netlet creation parameters.
Principal
The holder of a public/private key pair.
Resource
A node-dependent commodity, often hardware-related (e.g. CPU, Memory, etc.)
Service
A node-independent commodity. A shared object that can be accessed from any Jtrix node.
Service binding
The process of establishing a service connection.
SHA
Secure Hashing Algorithm (NIST standard, also known as SHA-1).
Warrant
An XML documents that represents a right to use a particular service.
X.500
A CCITT3 standard for distributed directories.
X.509
A CCITT standard for digital certificates.
XML
Extensible markup language, as recommended by W3C4.

Ulf Leonhardt 2001-08-16