Homenet Naming DHCP Options
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1 unrestricted Homenet Naming DHCP Options draft-mglt-homenet-naming-architecture-dhc-options-00.txt D. Migault, W. Cloetens, C. Griffiths, R. Weber 05/11/2013- IETF88- Vancouver
2 Table of Contents Architecture Description Setting the DNS Homenet DNS Uploading the DNS(SEC) Homenet Zone Daniel Migault - mglt.biz@gmail.com 1 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
3 Architecture Description Daniel Migault - mglt.biz@gmail.com 2 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
4 Architecture Description The two operations consists in: Building the DNS Homenet Zone Expected to be published on the Public Authoritative Masters Uploading the DNS Homenet Zone To the Public Authoritative Name Server Set via a secured channel Daniel Migault - mglt.biz@gmail.com 3 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
5 Architecture Description We define one DHCP Option for those two operations: OPTION_ZONE_PUBLIC_MASTER, binding Registered Domain Public Authoritative Masters (FQDNs and IP addresses). OPTION_PUBLIC_MASTER_UPLOAD, binding Public Authoritative Masters Secure channels defined as Protocol (NONE, TSIG, IPsec, SIG(0)) Security Credentials (PSK,...) Public Authoritative Name Server Set (IP addresses) Daniel Migault - mglt.biz@gmail.com 4 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
6 Setting the DNS Homenet Zone $ORIGIN example.com $TTL IN SOA public.autho.servers.example.net hostmaster.example.com. ( ; serial number of this zone file 1d ; slave refresh 2h ; slave retry time in case of a problem 4w 1h ) ; slave expiration time ; maximum caching time in case of failed ; NS public.autho.servers.example.net public.autho.servers.example.net public.autho.servers.example.net public.autho.servers.example.net public.autho.servers.example.net Daniel Migault - mglt.biz@gmail.com 5 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
7 ZONE_PUBLIC_MASTER: Factorized From DHCP option guide lines, we encapsulated the various options: OPTION_ZONE_PUBLIC_MASTER_LIST < X OPTION_ZONE_PUBLIC_MASTER - OPTION_ZONE_PUBLIC_MASTER - OPTION_REGISTERED_DOMAIN_NAME (list) - OPTION_MASTER < X masters - MASTER_FQDN (Field) < single FQDN - OPTION_MASTER_IP4 < X IP4 - OPTION_MASTER_IP6 - OPTION_MASTER - MASTER_FQDN (Field) - OPTION_MASTER_IP4 - OPTION_MASTER_IP6 DHCP design questions: Can we assume that in IPv6 Home Networks the Master MUST be IP6 OPTION_MASTER_IP6 becomes a field Is 3 levels encapsulation fine? To reduce level encapsulation, one can have a list of (1 FQDN - 1 master)? Daniel Migault - mglt.biz@gmail.com 6 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
8 ZONE_PUBLIC_MASTER: Expanded OPTION_ZONE_PUBLIC_MASTER_LIST - OPTION_ZONE_PUBLIC_MASTER - REGISTERED_DOMAIN_NAME (field because single) - MASTER FQDN (Field) - MASTER_IP6 - OPTION_MASTER_IP4 Comparison between the Expanded Way and Factorized Way: Factorized optimize bandwidth Expanded is easy to develop Factorize does not make configuration harder: Factozize-to-Expand function on the DHCP client Expand-to-Factorize function on the Server side. Daniel Migault - mglt.biz@gmail.com 7 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
9 ZONE_PUBLIC_MASTER: Example Suppose the CPE has 2 Registered Domains: mydomain.net mydomain.org The CPE hosts these two domains on two different masters: master1.org master2.net Every master has 2 IP4, 2 IP6 Do we agree that is a plausible use case? Daniel Migault - mglt.biz@gmail.com 8 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
10 ZONE_PUBLIC_MASTER: Example Expanded way: Factorized way OPTION_ZONE_PUBLIC_MASTER_LIST OPTION_ZONE_PUBLIC_MASTER_LIST - OPTION_ZONE_PUBLIC_MASTER - OPTION_ZONE_PUBLIC_MASTER - REGISTERED_DOMAIN : mydomain.net - OPTION_REGISTERED_DOMAIN : mydomain.net - MASTER FQDN : master1.org - OPTION_MASTER mydomain.org - MASTER_IP6 - MASTER_FQDN : master1.org - OPTION_MASTER_IP4 - MASTER_IP6 - OPTION_ZONE_PUBLIC_MASTER - OPTION_IP4 - REGISTERED_DOMAIN : mydomain.net - OPTION_MASTER - MASTER FQDN : master2.org - MASTER_FQDN : master2.org - MASTER_IP6 - MASTER_IP6 - OPTION_MASTER_IP4 - OPTION_IP4 - OPTION_ZONE_PUBLIC_MASTER - REGISTERED_DOMAIN : mydomain.org - MASTER FQDN : master1.org - MASTER_IP6 - OPTION_MASTER_IP4 - OPTION_ZONE_PUBLIC_MASTER - REGISTERED_DOMAIN : mydomain.org - MASTER FQDN master2.org - MASTER_IP6 - OPTION_MASTER_IP4 Factorized: [OPTION (7*4), IPs (2*4+2*32), FQDNs (#2*11+2*10)] # 150 B Expanded: 9*4 + (FQDN) 2*(#42) + (IPs) 2*(72) # 264 B (X 2) Difference increases with number of IP addresses, number of masters. Daniel Migault - mglt.biz@gmail.com 9 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
11 Uploading Zone Public Authoritative Masters are bound Public Authoritative Name Server Set because: Each Public Authoritative Master is associated with a Public Authoritative Name Server Set A given DNS Homenet Zone MAY: Have multiple Public Authoritative Masters Need to upload on multiple Public Authoritative Name Server Sets Daniel Migault - mglt.biz@gmail.com 10 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
12 OPTION_PUBLIC_MASTER_UPLOAD From DHCP option guide lines, we encapsulated the various options: OPTION_PUBLIC_MASTER_UPLOAD_LIST < X Public Masters - OPTION_PUBLIC_MASTER_UPLOAD - SECURE_PROTOCOL (field) - OPTION_MASTER_FQDN_LIST (mandatory) - OPTION_PSK_CREDENTIAL - (future use Certificates, IDi) - OPTION_SERVER_SET_IP4 - OPTION_SERVER_SET_IP6 DHCP design questions: Is 3 encapsulation fine? Can we assume that the SERVER MUST be able to be reached with IPv6? Daniel Migault - mglt.biz@gmail.com 11 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
13 PUBLIC_MASTER_UPLOAD: Example Public Masters can be reached using IPsec or TSIG, using the same PSK If masters belong to different entities (ISP, third party) OPTION_PUBLIC_MASTER_UPLOAD_LIST < X Public Masters - OPTION_PUBLIC_MASTER_UPLOAD - SECURE_PROTOCOL (field) TSIG - OPTION_MASTER_FQDN_LIST master1.org - OPTION_PSK_CREDENTIAL (12 bytes) > to be confirmed - OPTION_SERVER_SET_IP4 - OPTION_SERVER_SET_IP6 - OPTION_PUBLIC_MASTER_UPLOAD - SECURE_PROTOCOL (field) IPsec - OPTION_MASTER_FQDN_LIST master2.org - OPTION_PSK_CREDENTIAL (12 bytes) > To be confirmed - (future use Certificates, IDi) > much more ;-) - OPTION_SERVER_SET_IP4 - OPTION_SERVER_SET_IP6 Daniel Migault - mglt.biz@gmail.com 12 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
14 PUBLIC_MASTER_UPLOAD: Example If master1.org and master2.org belong to the same entities. A single Name Server Set is needed OPTION_PUBLIC_MASTER_UPLOAD_LIST < X Public Masters - OPTION_PUBLIC_MASTER_UPLOAD - SECURE_PROTOCOL (field) TSIG - OPTION_MASTER_FQDN_LIST master1.org, master2.org - OPTION_PSK_CREDENTIAL (12 bytes) > to be confirmed - OPTION_SERVER_SET_IP4 - OPTION_SERVER_SET_IP6 - OPTION_PUBLIC_MASTER_UPLOAD - SECURE_PROTOCOL (field) IPsec - OPTION_MASTER_FQDN_LIST master1.org, master2.org - OPTION_PSK_CREDENTIAL (12 bytes) > To be confirmed - (future use Certificates, IDi) > much more ;-) - OPTION_SERVER_SET_IP4 - OPTION_SERVER_SET_IP6 We do not factorize SECURE_PROTOCOL to keep credential associated to ONE secure channel. Any suggestions? Daniel Migault - mglt.biz@gmail.com 13 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
15 Conclusion Questions: Is IP6 an option or mandatory for masters and master server sets? Do we prefer the Expanded or Factorized or both options? Do people agree with these options? Daniel Migault - mglt.biz@gmail.com 14 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
16 Thank you for your attention Daniel Migault - mglt.biz@gmail.com 15 draft-mglt-homenet-naming-architecture-dhc-options-00.txt- IETF88, 05/11/2013
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