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This Is A Copy
Contents
Informational RFC-2188
Banan, et al.
September 1997
AT&T/Neda's
Efficient Short Remote Operations (ESRO)
Protocol Specification Version 1.2
This Is A Copy
Status of this Memo:
IESG Note
Abstract:
Contents
INTRODUCTION
Relationship To Existing Remote Operation Services
ESRO and RPC
ESRO and ROSE
Overview of ESROS
The Remote Operation Model
ESRO SERVICE DEFINITIONS
Acknowledged Result Service Mode
Performer side
Invoker side
Non-acknowledged Result
Performer side
Invoker side
Serialized Use of ESRO Services
Invoker
Performer
ESROS-INVOKE Service
Operation-value
Performer-address
Invoker-address
Invoke-argument-encoding-type
Invoke-argument
Invoke-ID
Failure-value
ESROS-RESULT Service
Result-argument-encoding-type
Result-argument
Invoke-ID
Failure-value
ESROS-ERROR Service
Error-value
Error-argument-encoding-type
Error-argument
Invoke-ID
Failure-value
ESROS-FAILURE Service
Failure-value
Invoke-ID
ESRO SERVICE NOTATION
ES-OPERATION Notation
Mapping of ESROS Notation
Invocation of an Operation
Reply of an Operation
REMOTE OPERATIONS PROTOCOL
Overview of the Protocol
Service Provision (Invoker User)
Service Provision (Performer User)
Protocol Procedures
Service Access Point (SAP) Bind Procedure
Invoke Service Procedure
Invoke ID Assignment Procedure
Functional Unit Selection Procedure
Connectionless PDU Transfer For Small PDUs
Overview
3-Way Handshake Functional Unit
3-Way Handshake Connectionless Transmission: Invoker
3-Way Handshake Connectionless Transmission: Performer
2-Way Handshake Functional Unit
2-Way Handshake Connectionless Transmission: Invoker
2-Way Handshake Connectionless Transmission: Performer
Segmentation and Reassembly
Segmenting/Reassembling over the Connectionless ESRO Service
Reassembly Timer
Structure and Encoding of ESROS PDUs
ESRO-INVOKE-PDU Format
ESRO-RESULT-PDU Format
ESRO-ERROR-PDU Format
ESRO-ACK-PDU Format
ESRO-FAILURE-PDU Format
ESRO-INVOKE-SEGMENTED-PDU Format
ESRO-RESULT-SEGMENTED-PDU Format
ESRO-ERROR-SEGMENTED-PDU Format
Concatenation and Separation
Procedures
Concatenation
Separation
ESRO-CONCATENATED-PDU format
Length Indicator field
ESRO-PDU field
ES Remote Operations Protocol Parameters
PDU size
Timers
Use of lower layers
ACKNOWLEDGMENTS
SECURITY CONSIDERATIONS
AUTHORS' ADDRESSES
Bibliography
