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LISP (Locator Identity Separation Protocol) - Coggle Diagram
LISP
(Locator Identity Separation Protocol)
Concepts
IP Address can represent
Device Identity
(aka EID - Endpoint IDentifier)
Reachability through EID-to-RLOC mappings
Device Location
(aka RLOC - Routing LOCator)
Reachability through traditionnal Routing
Terms & Components
Site Devices
Ingress Tunnel Router
ITR
Encapsulate to remote LISP sites
Uses IP-in-IP
Egress Tunnel Router
ETR
De-encapsulate LISP packets
Deliver to EID
ETR + ITR in the same device = xTR
To allow bidirectionnal flow
Infrastructure devices
Map Server (MS)
each LISP site ETR registers its EIDs to the MS
Builds EID-to-RLOC mappings
Map Resolver (MR)
ITR send Map Requests to MR
Forwards Map Requests to the ALT
Proxy ITR (PITR)
Provides Non-LISP to LISP connectivity
Proxy ETR (PETR)
To send traffic from LISP to Non-LISP devices
Alternative Topology (ALT)
Everything is connected to the ALT
Builds an overlay network
manage EID Prefix aggregation
Advertises EID in BGP over GRE topology
Host Mobility
Dynamic EIDs
Hosts allowed to roam
Mobility Deployment Models
with extended subnets accross DataCenters
using Virtual Private LAN Service
or
OTV or something similar
Good for live migration
Accross Subnets
Different subnets on sites
(classic LISP)
classic LISP i think