draft-ietf-dhc-suboptions-kdc-serveraddress-01.txt   draft-ietf-dhc-suboptions-kdc-serveraddress-02.txt 
INTERNET-DRAFT K. Luehrs INTERNET-DRAFT K. Luehrs
Dynamic Host Configuration Working Group CableLabs Dynamic Host Configuration Working Group CableLabs
Expires March 2003 R. Woundy Expires June 2003 R. Woundy
AT&T Broadband AT&T Broadband
J. Bevilacqua J. Bevilacqua
YAS Corporation YAS Corporation
September 2002 December 2002
KDC Server Address Sub-option KDC Server Address Sub-option
<draft-ietf-dhc-suboptions-kdc-serveraddress-01.txt> <draft-ietf-dhc-suboptions-kdc-serveraddress-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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Configuration (CCC) DHCP option code for conveying the network Configuration (CCC) DHCP option code for conveying the network
addresses of Key Distribution Center (KDC) servers. addresses of Key Distribution Center (KDC) servers.
1. Introduction 1. Introduction
The need for a CCC DHCP Option code is described in [1]. The CCC The need for a CCC DHCP Option code is described in [1]. The CCC
DHCP option code will be used to address specific needs of CableLabs DHCP option code will be used to address specific needs of CableLabs
client devices during their configuration processes. This document client devices during their configuration processes. This document
proposes a sub-option for the CCC DHCP option. proposes a sub-option for the CCC DHCP option.
Luehrs, Woundy, & Bevilacqua Expires March 2003 [Page 1] Luehrs, Woundy, & Bevilacqua Expires June 2003 [Page 1] Internet Draft KDC Server Address Sub-option December 2002
Configuration of a class of CableLabs client devices described in Configuration of a class of CableLabs client devices described in
[2] requires a DHCP sub-option to provide the client with the [2] requires a DHCP sub-option to provide the client with the
network address of a KDC server in the cable operator's data network address of a KDC server in the cable operator's data
network. The class of devices assumed in [2] is unlike the class network. The class of devices assumed in [2] is unlike the class
of devices considered in [1], which perform a DNS lookup of the of devices considered in [1], which perform a DNS lookup of the
Kerberos Realm name to find the KDC server network address. Kerberos Realm name to find the KDC server network address.
This document proposes a sub-option of the CCC DHCP option This document proposes a sub-option of the CCC DHCP option
code for use with CableLabs client devices. The proposed sub-option code for use with CableLabs client devices. The proposed sub-option
encodes an identifier for the network address of each of one or more encodes an identifier for the network address of each of one or more
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The KDC Server Address sub-option described in this document is The KDC Server Address sub-option described in this document is
intended to be a sub-option of the CableLabs Client Configuration intended to be a sub-option of the CableLabs Client Configuration
(CCC) option described in [1]. IANA will be requested to register (CCC) option described in [1]. IANA will be requested to register
sub-option code 51 of the CCC option to the KDC Server Address sub-option code 51 of the CCC option to the KDC Server Address
sub-option. sub-option.
5. Normative References 5. Normative References
[1] "DHCP Option for CableLabs Client Configuration draft-ietf-dhc- [1] "DHCP Option for CableLabs Client Configuration draft-ietf-dhc-
packetcable-03", IETF, July 2002. packetcable-05", IETF, December 2002.
[2] "CableHome 1.0 Specification SP-CH1.0-I02-020920", CableLabs, [2] "CableHome 1.0 Specification SP-CH1.0-I02-020920", CableLabs,
September 2002, http://www.cablelabs.com/projects/cablehome/ September 2002, http://www.cablelabs.com/projects/cablehome/
specifications/. specifications/.
[3] Bradner, S., "Key words for use in RFCs to Indicate Requirement [3] Bradner, S., "Key words for use in RFCs to Indicate Requirement
Levels", BCP 14, RFC 2119, March 1997. Levels", BCP 14, RFC 2119, March 1997.
[4] Droms, R., "Dynamic Host Configuration Protocol", RFC 2131, March [4] Droms, R., "Dynamic Host Configuration Protocol", RFC 2131, March
1997. 1997.
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