draft-ietf-rserpool-common-param-01.txt   draft-ietf-rserpool-common-param-02.txt 
Network Working Group R. Stewart Network Working Group R. Stewart
Internet-Draft Cisco Systems, Inc. Internet-Draft Cisco Systems, Inc.
Expires: December 29, 2002 Q. Xie Expires: April 1, 2003 Q. Xie
Motorola, Inc. Motorola, Inc.
M. Stillman M. Stillman
Nokia Nokia
M. Tuexen M. Tuexen
Siemens AG Siemens AG
June 30, 2002 October 1, 2002
Aggregate Server Access Protocol (ASAP) and Endpoint Name Resolution Aggregate Server Access Protocol (ASAP) and Endpoint Name Resolution
Protocol (ENRP) common parameters document Protocol (ENRP) common parameters document
draft-ietf-rserpool-common-param-01.txt draft-ietf-rserpool-common-param-02.txt
Status of this Memo Status of this Memo
This document is an Internet-Draft and is in full conformance with This document is an Internet-Draft and is in full conformance with
all provisions of Section 10 of RFC2026. all provisions of Section 10 of RFC2026.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as Internet- other groups may also distribute working documents as Internet-
Drafts. Drafts.
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and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
The list of current Internet-Drafts can be accessed at http:// The list of current Internet-Drafts can be accessed at http://
www.ietf.org/ietf/1id-abstracts.txt. www.ietf.org/ietf/1id-abstracts.txt.
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html. http://www.ietf.org/shadow.html.
This Internet-Draft will expire on December 29, 2002. This Internet-Draft will expire on April 1, 2003.
Copyright Notice Copyright Notice
Copyright (C) The Internet Society (2002). All Rights Reserved. Copyright (C) The Internet Society (2002). All Rights Reserved.
Abstract Abstract
Aggregate Server Access Protocol (ASAP) [4] in conjunction with the Aggregate Server Access Protocol (ASAP) [4] in conjunction with the
Endpoint Name Resolution Protocol (ENRP) [5] provides a high Endpoint Name Resolution Protocol (ENRP) [5] provides a high
availability data transfer mechanism over IP networks. availability data transfer mechanism over IP networks.
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1.1 Conventions 1.1 Conventions
The keywords MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT, SHOULD, The keywords MUST, MUST NOT, REQUIRED, SHALL, SHALL NOT, SHOULD,
SHOULD NOT, RECOMMENDED, NOT RECOMMENDED, MAY, and OPTIONAL, when SHOULD NOT, RECOMMENDED, NOT RECOMMENDED, MAY, and OPTIONAL, when
they appear in this document, are to be interpreted as described in they appear in this document, are to be interpreted as described in
RFC2119 [2]. RFC2119 [2].
2. Parameters in General 2. Parameters in General
All parameters parameters described below MUST be in Network Byte All parameters described below MUST be in Network Byte Order (a.k.a.
Order (a.k.a. Big Endian, i.e., the most significant byte first) Big Endian, i.e., the most significant byte first) during
during transmission. For fields with a length bigger than 4 octets, transmission. For fields with a length bigger than 4 octets, a
a number in a pair of parentheses may follow the field name to number in a pair of parentheses may follow the field name to indicate
indicate the length of the field in number of octets. the length of the field in number of octets.
Please note that messages in both ENRP and ASAP are often composed of Please note that messages in both ENRP and ASAP are often composed of
multiple parameters. These parameters may also be nested. In such a multiple parameters. These parameters may also be nested. In such a
case a nested parameter will include the length of the padding case a nested parameter will include the length of the padding
between the nested parameters but not the last padding. between the nested parameters but not the last padding.
3. ENRP-ASAP Common Parameters 3. ENRP-ASAP Common Parameters
Parameters are defined in the following Type-length-value (TLV) Parameters are defined in the following Type-length-value (TLV)
format: format:
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Cause Code: 16 bits (unsigned integer) Cause Code: 16 bits (unsigned integer)
Defines the type of error condition being reported. Defines the type of error condition being reported.
Cause Code Cause Code
Value Cause Code Value Cause Code
--------- ---------------- --------- ----------------
1 Unrecognized Parameter 1 Unrecognized Parameter
2 Unrecognized Message 2 Unrecognized Message
3 Authorization Failure 3 Invalid Values
4 Invalid Values 4 Non-unique PE Identifier
5 Non-unique PE Identifier 5 Pooling Policy Inconsistent
6 Pooling Policy Inconsistent 6 Lack of Resources
other values reserved by IETF other values reserved by IETF
Cause Length: 16 bits (unsigned integer) Cause Length: 16 bits (unsigned integer)
Set to the size of the parameter in bytes, including the Cause Code, Set to the size of the parameter in bytes, including the Cause Code,
Cause Length, and Cause-Specific Information fields, but not Cause Length, and Cause-Specific Information fields, but not
including any padding at the end of this error cause TLV. including any padding at the end of this error cause TLV.
Cause-specific Information: variable length Cause-specific Information: variable length
This field carries the details of the error condition. This field carries the details of the error condition.
The following subsections (Section 3.10.1 - Section 3.10.2) define The following subsections (Section 3.10.1 - Section 3.10.2) define
specific error causes. specific error causes.
3.10.1 Unrecognized Parameter Error 3.10.1 Unrecognized Parameter Error
(TBD) This error cause is used to report an unrecognized parameter. The
unrecognized parameter is included as cause specific information.
3.10.2 Unrecognized Message Error 3.10.2 Unrecognized Message Error
(TBD) This error cause is used to report an unrecognized message. The
unrecognized message is included as cause specific information.
3.11 Cookie Parameter 3.11 Cookie Parameter
This parameter defines a TLV that carries a Cookie. This parameter defines a TLV that carries a Cookie.
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 0xb | Length=variable | | Type = 0xb | Length=variable |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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Phone: +1-607-273-0724 Phone: +1-607-273-0724
EMail: maureen.stillman@nokia.com EMail: maureen.stillman@nokia.com
Michael Tuexen Michael Tuexen
Siemens AG Siemens AG
ICN WN CC SE 7 ICN WN CC SE 7
D-81359 Munich D-81359 Munich
Germany Germany
Phone: +49 89 722 47210 Phone: +49 89 722 47210
EMail: Michael.Tuexen@icn.siemens.de EMail: Michael.Tuexen@siemens.com
Full Copyright Statement Full Copyright Statement
Copyright (C) The Internet Society (2002). All Rights Reserved. Copyright (C) The Internet Society (2002). All Rights Reserved.
This document and translations of it may be copied and furnished to This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it others, and derivative works that comment on or otherwise explain it
or assist in its implementation may be prepared, copied, published or assist in its implementation may be prepared, copied, published
and distributed, in whole or in part, without restriction of any and distributed, in whole or in part, without restriction of any
kind, provided that the above copyright notice and this paragraph are kind, provided that the above copyright notice and this paragraph are
 End of changes. 

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