LISP for SDN and - events.static.linuxfound.org · LISP for SDN and NFV Vina Ermagan, Cisco Systems...
Transcript of LISP for SDN and - events.static.linuxfound.org · LISP for SDN and NFV Vina Ermagan, Cisco Systems...
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LISP for SDN and NFV
Vina Ermagan, Cisco Systems Sharon Barkai, ConteXtream
Feb 4th 2014
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Agenda
• LISP Overview • LISP and SDN • Availability in open source • LISP in OpenDaylight • Demos: Service Chaining and Disaster Recovery • LISP and NFV
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Locator/ID Separation Protocol
• EID (Endpoint Iden-fier) is the IP address of a host – just as it is today
• RLOC (Rou-ng Locator) is the IP address of the LISP router for the host
• EID-‐to-‐RLOC mapping is the distributed architecture that maps EIDs to RLOCs
Lisp Mapping Database
VM VM VM
VM VM
App
OS
VM
Internet Site B
Site A
Site C
LISP creates a Level of Indirection with two namespaces: EID and RLOC
EID Space EID Space
RLOC Space
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Locator/ID Separation Protocol
Any Physical Network: LAN,WAN,Hybrid
Data Plane: EncapsulaMon protocol to build a MulMtenant Overlay
-‐ MAC in IP -‐ IP in IP
Control Plane: Mapping of Overlay address Space to underlying physical Network including policy rouMng
Lisp Mapping Database
Open Protocol: RFC published
VM VM VM
VM VM
App
OS
VM
Internet Site B
Site A
Site C
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Locator/ID Separation Protocol - policies
Policy: -‐ MulMhoming -‐ Load Balancing -‐ Disaster Recovery
Data Plane: MulMtenant Overlay
Control Plane: Mapping (+ policy) of overlay to underlying network
Lisp Mapping Database
Open Protocol: RFC published
VM VM VM
VM VM
App
OS
VM
Internet Site B
Site A
Site C
App
OS
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Locator/ID Separation Protocol - policies
Data Plane: MulMtenant Overlay
Control Plane: Mapping ( + policy) of overlay to underlying network
Policy: -‐ Traffic Engineering -‐ Service Chaining
VM VM VM
VM VM
App
OS
VM
Open Protocol: RFC published
Database
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SDN and LISP • The consensus on SDN
• Decoupling of Network Control Plane form the Data Plane • Programmable • Open
• The goals of SDN • Increase flexibility and development speed of features and funcMonaliMes
• LISP as we just saw • Enables network virtualizaMon via dynamic mulMtenant overlays • Decoupled control plane and data plane • Programmable mapping system • Open
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LISP in Open Source • LISPmob.org
• Linux • Android • OpenWRT
• Open vSwMch • LISP DP
• OpenDaylight • LISP CP
• OpenStack • *coming soon
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LISP at ODL
LISP Enabled Devices
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LISP at ODL
LISP Enabled Devices
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LISP in OpenDaylight
LISP Plugin
LISP Service
Load Balancing
Traffic Engineering
LISP CP Enabled Device
LISPmob OVS
LISP tunnel
Legend: LISP OpenFlow ODL OVSDB
OVSDB
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Available Interfaces
Java API
Southbound
DAO
Map Server
Map Resolver
Implem
entaMo
n
ODL LISP Service
Northbound
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Northbound API • Resources:
• Key • Mapping
• EID • src/dest
• Supported mapping address types: • IPv4/IPv6/MAC • DisMnguished Name • AS Numbers • Segment ID • Src/Dst • Explicit Locator Path (Traffic Eng/Service Chaining)
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REST API: key
Request URL: h`p://localhost:8080/lispflowmapping/nb/v2/default/key Request body in JSON: { "key" : "asdf", "maskLength" : 24, "address" : { "ipAddress" : "10.0.0.1", "afi" : 1 } }
• PUT • h`p://localhost:8080/lispflowmapping/nb/v2/default/key
• GET • […] /nb/v2/default/key/{iid}/{afi}/{address}/{mask}
• GET (src/dst) • […] /default/key/{iid}/{afi}/{srcAdd}/{srcML}/{dstAdd}/{dstML}
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REST API: mapping
Request URL: h`p://localhost:8080/lispflowmapping/nb/v2/default/mapping Request body in JSON: { "key" : "asdf", "mapregister" : { "eidToLocatorRecords“ : [ { "prefixGeneric" : { "ipAddress" : “10.0.0.1”, "afi" : 1 }, "maskLength" : 24, "locators" : [ { "locatorGeneric" : { "ipAddress" : ”10.154.10.17“, "afi" : 1 }, "priority" : 1, "weight” :50} ] } ] } }
• PUT • h`p://localhost:8080/lispflowmapping/nb/v2/default/mapping
• GET • […] /nb/v2/default/mapping/{iid}/{afi}/{address}/{mask}
• GET (src/dst) • […] /default/mapping/{iid}/{afi}/{srcAdd}/{srcML}/{dstAdd}/{dstML}
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Demo • Demo 1: Disaster Recovery • Demo 2: Service Chaining
• >> Thanks to Lori Jakab.
• Thanks to Alberto Rodriguez-‐Natal and the ConteXtream engineering team!
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Demo topology
LISPmob Client
LISPmob Server 1
LISPmob Server 2
API
Northbound
Southbound
DAO Map Server
Map Resolver Impl.
Mapping Service
EID: 1.1.1.1
EID: 2.2.2.2
Net Admin
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Demo – Disaster Recovery
LISPmob Client
LISPmob Server 1
LISPmob Server 2
API
Northbound
Southbound
DAO Map Server
Map Resolver Impl.
Mapping Service
Net Admin
Define Key, mappings
EID: 1.1.1.1
EID: 2.2.2.2
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Demo – Disaster Recovery
LISPmob Client
LISPmob Server 1
LISPmob Server 2
API
Northbound
Southbound
DAO Map Server
Map Resolver Impl.
Mapping Service
Net Admin
Where is 2.2.2.2? Ping 2.2.2.2
EID: 1.1.1.1
EID: 2.2.2.2
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Demo – Disaster Recovery
LISPmob Client
LISPmob Server 1
LISPmob Server 2
API
Northbound
Southbound
DAO Map Server
Map Resolver Impl.
Mapping Service
Net Admin
Ping 2.2.2.2 Ping 2.2.2.2
EID: 1.1.1.1
EID: 2.2.2.2
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Demo – Disaster Recovery
LISPmob Client
LISPmob Server 1
LISPmob Server 2
API
Northbound
Southbound
DAO Map Server
Map Resolver Impl.
Mapping Service
Net Admin
Ping 2.2.2.2
2.2.2.2: Server 2 has priority
EID: 1.1.1.1
EID: 2.2.2.2
Ping 2.2.2.2
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Demo – Disaster Recovery
LISPmob Client
LISPmob Server 1
LISPmob Server 2
API
Northbound
Southbound
DAO Map Server
Map Resolver Impl.
Mapping Service
Net Admin
Ping 2.2.2.2
Ping 2.2.2.2
EID: 1.1.1.1
EID: 2.2.2.2
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Demo – Service Chaining
LISPmob Client
LISPmob Server 1
LISPmob Server 2
API
Northbound
Southbound
DAO Map Server
Map Resolver Impl.
Mapping Service
Net Admin
LISPmob Service-‐Node
2.2.2.2: Insert service node
Ping 2.2.2.2
Ping 2.2.2.2
EID: 1.1.1.1
EID: 2.2.2.2
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Demo – Service Chaining
LISPmob Client
LISPmob Server 1
LISPmob Server 2
API
Northbound
Southbound
DAO Map Server
Map Resolver Impl.
Mapping Service
Net Admin
LISPmob Service-‐Node
Ping 2.2.2.2
Ping 2.2.2.2 Ping 2.2.2.2
EID: 1.1.1.1
EID: 2.2.2.2
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Demo – Service Chaining
LISPmob Client
LISPmob Server 1
LISPmob Server 2
API
Northbound
Southbound
DAO Map Server
Map Resolver Impl.
Mapping Service
Net Admin
LISPmob Service-‐Node
Policy=drop/forward
Ping 2.2.2.2
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Stay tuned… • Support for proacMve SMR in case of policy change • Seamless integraMon with OVS
• Tutorial for demo + API spec is on the Wiki: • h*ps://wiki.opendaylight.org/view/OpenDaylight_Lisp_Flow_Mapping:User_Guide_for_Hydrogen#Tutorial
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LISP and NFV
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Network Func5ons Before NFV
Coupled with rouMng topology, capacity, availability, and rouMng hardware appliances
AHer NFV Decoupled from rouMng, cloud capacity, elasMcity, availability, standard servers
capacity
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Programmable Network Before NFV
Programmable Overlay Coupled with rouMng interfaces, VLANs, LSPs, VRFs
AHer NFV Programmable Overlay Decoupled from Underlay, map & encap methodology
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LISP Ideal for SDN-NFV
" Map & Encap uses IP for both transport & database
" 5-‐tuple flows: as the basis for mapping lookup-‐cache
" Publish-‐Subscribe: for mapped lookups, change-‐SMR
" ApplicaMon specific LISP XTRs: Flow handlers and ALGs
" Mapping Affinity: of subscriber to funcMon available globally
" Mapping Balancing: between funcMon VIP EID to instances EID
" Mapping Chaining: of subscribers EID to service EID to RLOCS
" Mapping as the basis for NFV orchestraMon integraMon Neutron+
LISP
SDN NVO
NFV
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Creating ODL XTR for NFV
LISP OpenStack Neutron OpenFlow
ALG Switch
3rd Party OpenFlow Switch
Controller (Flow Handler)
Mapping System
OpenDaylight
CXTR
Underlay Encapsulation
OpenStack Compute
LISP/VXLAN encap
Subscribers & Func-ons
Network Virtualiza-on Overlay
Underlay Mapping
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Layout and Orchestration ALG
Switch
OF Switch
Controller (Flow Handler)
Mapping System
OpenDaylight CXTR
CXTR
Access Internet
CXTR CXTR
Management and Orchestration
Underlay Network
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Example: Balance-Chain IMS-SBC vSBC
OF Switch
Controller (Flow
Handler)
Mapping System
OpenDaylight ContexNet
Node
SIP Proxy VNF
IMS Core OF
Switch
Controller (Flow
Handler)
Mapping System
OpenDaylight ContexNet Node
SIP Proxy VNF
POP A POP C
Underlay
WAN
OF Switch
Controller (Flow
Handler)
Mapping System
OpenDaylight ContexNet Node
SIP Proxy VNF
POP B
WAN
IMS Core
vSBC
vSBC
Encap Decap Encap
Decap
IMS Core
source IMS POP A SBC POP A
VIP 1.1.1.1 SIP Proxy A SIP Proxy
A VIP 2.1.1.1 SIP Proxy
A SIP Proxy A
VIP 3.1.1.1 SIP Proxy A SIP Proxy
A
VIP 1.1.1.1 VIP 2.1.1.1 VIP 3.1.1.1
source IMS POP C SBC POP
C VIP 1.1.1.1 SIP Proxy
C ---------- VIP 2.1.1.1 SIP Proxy
C SIP Proxy B
VIP 3.1.1.1 SIP Proxy
C ---------- source IMS POP
B SBC POP B
VIP 1.1.1.1 SIP Proxy
B SIP Proxy B
VIP 2.1.1.1 SIP Proxy
B ----------
VIP 3.1.1.1 SIP Proxy
B SIP Proxy B
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Do it Yourself: XTR Patch-Panels NFVs
OpenFlow Switch -‐ 3 tuples: source, dest, protocol -‐ layer2 (vRails, VL2) -‐ layer3 (NVO3/LISP) -‐ CXTR service selecMon ALG Switch -‐ 5 tuple: source dest ports, protocol -‐ layer 4: TCP, UDP, SR, Chain-‐Balance -‐ layer 5: SIP, GRE, GTP, S1, RSVP, UIDH -‐ layer 6: URL Transcoding, SSL -‐ layer 7: NFS, CDN, X1, DRA
OpenDaylight SAL -‐ PacketIn FlowHandlers -‐ Basic LISP for VL2/3 IP-‐Mac:RLOC -‐ Protocol specific flowHandlers -‐ Global lookup / Local decision
OpenDaylight Services -‐ Mapping LISP & Resxul API -‐ Mapping caching & registraMons -‐ Mapping backend DB Wrapper -‐ Mapping north orchestraMon -‐ Mapping DHT DB (Cassandra)
SDN Forwarding SDN Control
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Thanks!
OpenWrt Linux Android
lispmob.org