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8 - Implication of Multilayer Protocols - Coggle Diagram
8 - Implication of Multilayer Protocols
Unbounded encapsulation support can lead to VLAN hoping
Protocols
VXLAN (L2 over UDP/IPv4/IPv6)
GRE
IP-in-IP
GENEVE
L2TP
Converged Protocols
Internet Small Computer Systems Interface (iSCSI)
Networking storage standard based on IP
Layer 5: session
InfiniBand over Ethern (IBoE)
Encapsulation of Infiniband traffic within ethernet frames
Compute Express Link (CXL)
Advanced high-speed interconnect technology
Enhance performance, efficiency and scalability of data-centric applications (e.g. AI, ML)
Voice over Internet Protocol (VoIP)
Tunneling mechanism that encapsulates audio, video, and other data into IP packets to support voice calls and multimedia collaboration
VoIP has the potential to replace public switched telephone network (PSTN)
Layer 7: application
Attacks
Caller ID falsification
vishing = VoIP phishing
Spam over Internet Telephony (SPIT) attack
AitM attacks
Software-defined network (SDN)
New network design directly programmable from a central location
SDN layers
Data plane (Forwarding Plane)
Where packets are actually forwarded.
It does NOT make decisions — it only enforces them.
Control Plane (with SDN controller)
Where all the network decisions are made.
Application plane (e.g. Kubernetes, openstack, VMware vRealize)
SDN application handling SDN setup
Northbound = Application & Control planes
Southbound = Control & Data planes