ietf an overview and a few work items · 2010. 12. 21. · ietf an overview and a few work items......
TRANSCRIPT
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IETF an overviewand a few work items...
Olaf M. [email protected]
Contains material from Lars Eggers, Scott Bradner, and others
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IETF(a quick overview)
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IETF
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The Internet Engineering Task Force isa loosely self-organized group of peoplewho contribute to the engineering andevolution of Internet technologies.It is the principal body engaged in thedevelopment of new Internet standardspecifications. RFC4677
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In other wordsThe IETF is an open, international community
Network designers, operators, vendors and researchers
Goal: evolution of the Internet architecture and smooth operation of the InternetOpen to any interested individual “people, not companies”Produces Internet standards (and other documents)
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IETF Trust
IETF Universe
RFC Editor
IASAIAD IAOC IESG
Area Area Area Area Area Areaworkinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
workinggroup
IETF Secretariat
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IETF in detail16ng6lowpan6manancpautoconfcsidhcdnadnsexthipipdvbl2tpextl2vpnlispmextmifmip4mipshopnetextnetlmmntppanapppextpwe3savishim6softwiretictoctrill
avtblissdispatchdrinksecritenumgeoprivmediactrlmmusicp2psipsimplesipcorespeechscspeermintxconxmpp
adslmibbmwgcapwapdimednsopgrowipfixmbonednetconfnetmodopsawgopsecpmolradextv6ops
bfdccampforcesidrisisl3vpnmanetmplsospfpcepimrollrtgwgsidrvrrp
btnsdkimemuhokeyipsecmeismskeyprovkittenkrbltansmsecneapkixsaslsmimesyslogtls
behavedccpfecframeippmledbatnfsv4nsispcnrmtrohcstormtcpmtsvwg
altocalsifyeaihttpbisidnabislemonadeltrumorgoauthsievevcarddavyam
asrgcfrgdtnrgend2endhiprgiccrgmoboptsnmrgp2prgpkngrrgsamrgtmrg
ApplicationsArea
L. Dusseault A. Melnikov
InternetResearch
Task Force
TransportArea
L. EggertM. Westerlund
SecurityArea
P. EronenT. Polk
RoutingArea
R. CallonA. Farrell
O&MArea
R. BonicaD. Romascanu
RAIArea
C. JenningsR. Sparks
InternetArea
J. ArkkoR. Droms
GENERALAREA
R. Housley
Internet EngineeringSteering Group (IESG)
15 Area Directors
Internet ArchitectureBoard (IAB)
13 Members
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20%
3%4%4%
6%8% 8%
9%
36%
People1K-2K people at 3 meetings/year
from ca. 40-50 different countriesMany, many more on mailing lists
~120 Working Groups (WGs)~2 WGs chairs each
8 Areas with 15 Area Directors (ADs)More than 5500 RFCs published
Internet Standards and informational documentsMore than 50000 Internet Draft revisions submitted
7
Participants at IETF-75Stockholm, July 2009
1084 total, 50 countries
US CN JP SEDE FI FR KROthers
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Meeting - Place - Date
Documents...Internet Draft (I-D)
Active working documents
Not finalized! Not stable!
Anyone can submitdraft-yourname-...
Only some IDs are WG documents!draft-ietf-wgname-...
Request For Comment (RFC)
Archival publicationsNever change once published
Not all RFCs are standards!Standards track:
Proposed StandardDraft StandardFull Standard
Other types:InformationalExperimentalBest-Current-Practice (BCP)
In fact:Not all RFCs are IETF documents
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An overview of the Areas
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The overview
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• Outlining the areas
• Touching on working groups that may be relevant to this audience
• not going into any technical detail
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Application (APP)
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Focus on applications and application-layer protocols
• Current work items:
• Email, calendaring, web
• Directories, registries
• Internationalization
altocalsifyeaihttpbisidnabislemonadeltrumorgoauthsievevcarddavyam
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PEERS
Resource Directory(tracker, proxy)
ALTOServer
Source ofInformation
Application-Layer Traffic Optimization (ALTO)
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Peer-to-Peer networks exchange massive amounts of data
• Optimal path selection often based on round-trip-time: not on throughput
• No knowledge of underlying topology
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Transport (TSV)
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Focus on layer-4 transport protocols and services
• TCP, UDP, SCTP, DCCP
• Congestion control
• Multicast, signaling
• NAT regularization
• IP storage and NFS
behavedccpfecframeippmledbatnfsv4nsispcnrmtrohcstormtcpmtsvwg
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BEHAVE
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Working group focused on Network Address Translator traversal
• IPv6 network to IPv4 Internet
• IPv6 Internet to IPv4 Network
• IPv4 network to IPv6 Internet
• IPv4 Internet to IPv6 Network
• Coexistence and Transition, not for long term
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Meeting - Place - Date
Behave
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IPv6 work in the IETF• Behave: Deals defines translation mechanisms to connect
IPv4 to IPv6 networks
• Softwires: Provides tunneling mechanisms to connect islands of address families (see RFC4925)
• 6man: Fixes ‘bugs’ in the IPv6 specification
• v6ops: Operational guidance and more
• SAVI: improvement of validation of sources of IP traffic on a link (v4 and v6)
• CSI: Reviewing secure neighbor discovery (SEND)
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Security (SEC)
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Focus on security protocols and services for integrity, authentication, non-repudiation, confidentialityand access control
• IPsec, TLS
• Kerberos, SASL
• S/MIME
btnsdkimemuhokeyipsecmeismskeyprovkittenkrbltansmsecneapkixsaslsmimesyslogtls
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DNSOP
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• DNSSEC work
• RFC4641bis
• dnssec key timing
• trust history
• DNS work
• DNS redirect
• reverse DNS or IPv6
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Routing (RTG)
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Focus on layer-3 routing protocols
• Forwarding for unicast, multicast and MPLS
• Routing and signaling protocols (OSPF, IS-IS, BGP), MPLS
• Routing security
bfdccampforcesidrisisl3vpnmanetmplsospfpcepimrollrtgwgsidrvrrp
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SIDR
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Architecture base on a PKI representing address and AS hierarchy
• Route Origination Authorizations
• Attestation that a certain address prefixes can be originated by an AS
• RIRs will be maintaining CAs for the address space they maintain
• http://tools.ietf.org/html/draft-ietf-sidr-arch
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Operations and management (O&M)
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Focus on network management and operation
• AAA, DNS, IPv6 & routing operations
• Management (SNMP, NetConf, CAPWAP)
adslmibbmwgcapwapdimednsopgrowipfixmbonednetconfnetmodopsawgopsecpmolradextv6ops
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DNSOP
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Various operational issues for DNS and DNSSEC related work
• RFC4641-bis
• Trust History
• DNS redirection?
• IPv6 reverse zones and their necessity
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Real-Time Applications and Infrastructure (RAI)
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Focus on delay-sensitive applications + services
• Voice & video over IP
• Instant messaging and presence
• SIP and RTP
• IP telephony & services
avtblissdispatchdrinksecritenumgeoprivmediactrlmmusicp2psipsimplesipcorespeechscspeermintxconxmpp
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Dispatch
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• WG that helps to identify where work can be done within the RAI area
draft-avasarala-dispatch-comm-div-notification-01draft-boucadair-dispatch-ipv6-atypes-00draft-drage-dispatch-sub-data-00draft-elwell-dispatch-identity-reqs-00draft-haluska-dispatch-isup-oli-00draft-holmberg-dispatch-cbus-00draft-ivov-dispatch-slic-ps-00draft-jain-dispatch-session-recording-protocol-req-00draft-jain-dispatch-sip-transport-connection-reuse-00draft-jesske-dispatchspatch-reason-in-responses-00draft-johnston-dispatch-sip-cc-uui-00draft-kaplan-dispatch-sip-implicit-registrations-00draft-kuthan-dispatch-diagrevived-00draft-loreto-dispatch-disaggregated-media-00draft-mdolly-dispatch-oma-push-00draft-vanelburg-dispatch-private-network-ind-00
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Internet (INT)
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• Focus on layer-3architecture and protocols
• IPv4 and IPv6
• VPNs and MPLS
• DNS and DHCP
• Mobility & multihoming
• Network access control
16ng6lowpan6manancpautoconfcsidhcdnadnsexthipipdvbl2tpextl2vpnlispmext
mifmip4mipshopnetextnetlmmntppanapppextpwe3savishim6softwiretictoctrill
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DNSEXT
ApplicationsArea
TransportArea
SecurityArea
RoutingArea
O&MArea
RAIArea
InternetArea
GENERALAREA
Internet EngineeringSteering Group (IESG)
• DNSSEC maintenance
• minor protocol clarifications and such
• Non-DNSSEC cache poisoning protection methods
• DNS transport issues; PMTU, fragmentation, EDNS0, and DNSSEC
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LISP• Set out to document an experimental architecture
for a Locator-Identity split.
• IP addresses currently serve two purposes: splitting may have benefits
• LISP is only one approach (also see the routing research group)
• Incremental deployment, no changes to end hosts
• Running code: a lot can be learned even when this might not be the final solution
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Some Links• http://www.ietf.org/
• http://tools.ietf.org/
• http://www.ietf.org/tao.html
• http://tools.ietf.org/html/<partial-draft-name>
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Next: IETF 76Hiroshima8-13 November 2009
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