Routing or path finding of packets in data switching networks

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

Child Classifications

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• H04L 45/02 Topology update or discovery
• H04L 45/12 Shortest path evaluation
• H04L 45/16 Multipoint routing
• H04L 45/17 Shortcut routing, e.g. using next hop resolution protocol [NHRP]
• H04L 45/18 Loop-free operations
• H04L 45/24 Multipath
• H04L 45/28 using route fault recovery
• H04L 45/3 Routing of multiclass traffic
• H04L 45/302 Route determination based on requested QoS
• H04L 45/42 Centralised routing
• H04L 45/44 Distributed routing
• H04L 45/48 Routing tree calculation
• H04L 45/5 using label swapping, e.g. multi-protocol label switch [MPLS]
• H04L 45/52 Multiprotocol routers
• H04L 45/58 Association of routers
• H04L 45/6 Router architectures
• H04L 45/64 using an overlay routing layer
• H04L 45/645 Splitting route computation layer and forwarding layer, e.g. routing according to path computational element [PCE] or based on OpenFlow functionality
• H04L 45/74 Address processing for routing
• H04L 45/76 Routing in software-defined topologies, e.g. routing between virtual machines
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