David Allan
133Patents
20h-index
47Co-inventors
90Inventor score
Filing activity: Jan 19, 1996 → Feb 19, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8223668B2 | Method and apparatus for exchanging routing information and the establishment of connectivity across multiple network areas | Electricity | 339 | Active |
| US6108420A | Method and system for networked installation of uniquely customized, authenticable, and traceable software application | Physics | 220 | Expired |
| US8553562B2 | Automated traffic engineering for multi-protocol label switching (MPLS) with link utilization as feedback into the tie-breaking mechanism | Electricity | 169 | Active |
| US8750820B2 | Method and apparatus for selecting between multiple equal cost paths | Electricity | 162 | Active |
| US5946313A | Mechanism for multiplexing ATM AAL5 virtual circuits over ethernet | Electricity | 130 | Expired |
| US7453886B1 | Verification of communications paths between devices | Electricity | 114 | Expired |
| US7269132B1 | Method and apparatus for achieving transparent redundancy at a hierarchical boundary | Electricity | 89 | Expired |
| US7359328B1 | Apparatus for using a verification probe in an LDP MPLS network | Electricity | 70 | Active |
| US7480253B1 | Ascertaining the availability of communications between devices | Electricity | 63 | Expired |
| US5870475A | Facilitating secure communications in a distribution network | Electricity | 53 | Expired |
| US6788696B2 | Transparent QoS using VC-merge capable access modules | Electricity | 37 | Expired |
| US8223660B2 | Failure notification in a network having serially connected nodes | Electricity | 29 | Active |
| US8274989B1 | Point-to-multipoint (P2MP) resilience for GMPLS control of ethernet | Electricity | 28 | Active |
| US7688756B2 | Provider link state bridging | Electricity | 28 | Active |
| US7283563B1 | Method for using a verification probe in an LDP MPLS network | Electricity | 27 | Expired |
| US6526456B1 | Distribution and controlled use of software products | Physics | 24 | Expired |
| US7359404B1 | Apparatus using a knowledge digest to verify configuration information in a network | Electricity | 23 | Expired |
| US8923292B2 | Differential forwarding in address-based carrier networks | Electricity | 22 | Active |
| US7839891B1 | Method for using a knowledge digest to verify configuration information in a network | Electricity | 21 | Active |
| US9071529B2 | Method and apparatus for accelerating forwarding in software-defined networks | Electricity | 20 | Active |
| US7668949B1 | Verification of configuration information in BGP VPNs | Electricity | 16 | Active |
| US8005081B2 | Evolution of ethernet networks | Electricity | 14 | Active |
| US8862744B2 | Optimizing traffic load in a communications network | Electricity | 14 | Active |
| US7623446B1 | MPLS virtual rings | Electricity | 14 | Active |
| US7911944B2 | Tie-breaking in shortest path determination | Electricity | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.