Aggregate Server Access Protocol (ASAP) and Endpoint Handlespace Redundancy Protocol (ENRP) Parameters
RFC 5354

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Network Working Group                                         R. Stewart
Request for Comments: 5354                                        Q. Xie
Category: Experimental                                The Resource Group
                                                             M. Stillman
                                                                   Nokia
                                                               M. Tuexen
                                      Muenster Univ. of Applied Sciences
                                                          September 2008

              Aggregate Server Access Protocol (ASAP) and
       Endpoint Handlespace Redundancy Protocol (ENRP) Parameters

Status of This Memo

   This memo defines an Experimental Protocol for the Internet
   community.  It does not specify an Internet standard of any kind.
   Discussion and suggestions for improvement are requested.
   Distribution of this memo is unlimited.

Abstract

   This document details the parameters of the Aggregate Server Access
   Protocol (ASAP) and Endpoint Handlespace Redundancy Protocol (ENRP)
   defined within the Reliable Server Pooling (RSerPool) architecture.

Stewart, et al.               Experimental                      [Page 1]
RFC 5354             ASAP & ENRP Common Parameters        September 2008

Table of Contents

   1. Introduction ....................................................3
      1.1. Conventions ................................................3
   2. Parameters in General ...........................................3
   3. ENRP-ASAP Common Parameters .....................................3
      3.1. IPv4 Address Parameter .....................................6
      3.2. IPv6 Address Parameter .....................................6
      3.3. DCCP Transport Parameter ...................................7
      3.4. SCTP Transport Parameter ...................................8
      3.5. TCP Transport Parameter ....................................9
      3.6. UDP Transport Parameter ....................................9
      3.7. UDP-Lite Transport Parameter ..............................10
      3.8. Pool Member Selection Policy Parameter ....................11
      3.9. Pool Handle Parameter .....................................12
      3.10. Pool Element Parameter ...................................12
      3.11. Server Information Parameter .............................13
      3.12. Operation Error Parameter ................................14
           3.12.1. Unspecified Error .................................15
           3.12.2. Unrecognized Parameter Error ......................15
           3.12.3. Unrecognized Message Error ........................15
           3.12.4. Invalid Values Error ..............................16
           3.12.5. Non-Unique PE Identifier Error ....................16
           3.12.6. Inconsistent Pool Policy Error ....................16
           3.12.7. Lack of Resources Error ...........................16
           3.12.8. Inconsistent Transport Type Error .................16
           3.12.9. Inconsistent Data/Control Configuration Error .....16
           3.12.10. Rejected Due to Security Considerations ..........16
           3.12.11. Unknown Pool Handle Error ........................17
      3.13. Cookie Parameter .........................................17
      3.14. PE Identifier Parameter ..................................17
      3.15. PE Checksum Parameter ....................................18
      3.16. Opaque Transport Parameter ...............................18
   4. Common Message Formats .........................................18
   5. IANA Considerations ............................................20
      5.1. A New Table for RSerPool Parameter Types ..................20
      5.2. A New Table for RSerPool Error Causes .....................21
   6. Security Considerations ........................................21
   7. Normative References ...........................................21

Stewart, et al.               Experimental                      [Page 2]
RFC 5354             ASAP & ENRP Common Parameters        September 2008

1.  Introduction

   The Aggregate Server Access Protocol (ASAP) [RFC5352], in conjunction
   with the Endpoint Handlespace Redundancy Protocol (ENRP) [RFC5353],
   provides a high-availability, data-transfer mechanism over IP
   networks.

   Both protocols work together and so share many common parameters used
   in message formats.  This document details the common message
   parameters shared between the two protocols.  This document provides
   parameter formats only; for procedures and message composition,
   please refer to the respective [RFC5352] and [RFC5353] documents.

1.1.  Conventions

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this