| By Lori MacVittie | Article Rating: |
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| November 29, 2012 09:00 AM EST | Reads: |
2,226 |
One of our product development senior architects put this together for an introductory presentation on SDN. It's a great list of existing and nascent overlay protocols including encapsulation overhead, bridge and transport types, as well as links to the specifications.
| Std | Std Link | Spec # of pages | Complexity | Bridge Type | Transport | Encap Overhead in Bytes | |
| QinQ | 802.1ad | IEEE | 15 | Low | L2 | L2 | |
| PBB | 802.1ah | IEEE | 30 | Medium | L2 | L2 | |
| SPB | 802.1aq | IEEE ($5.00) | 340 | High | L2 | L2 | 22 |
| Edge Virtual Bridge | 802.1Qbg | IEEE ($5.00) | 191 | High | |||
| VNTag | 802.1BR | IEEE ($5.00) | 135 | L2 | |||
| TRILL | RFC 6325-7 | IETF | 150 | High | 20 | ||
| LISP | IETF Draft | IETF | 98 | High | L2, L3 | UDP | |
| OTV | IETF Draft | IETF | 27 | Medium | L2 | UDP | |
| MPLS | RFC 3031-2 | IETF | 62 | L2 | L2 | ||
| VPLS | RFC 4761-2 | IETF | 29 | Low | L2 | L2+MPLS | |
| OpenFlow | ONF Draft | ONF | 106 | High | L2 | L2 | |
| vCDNI | None | VMware | 0 | Low | L2 | L2 | |
| VXLAN | IETF Draft | IETF | 20 | Low | L2 | UDP | 50 |
| NVGRE | IETF Draft | IETF | 19 | Low | L2 | IP | 42 |
| STT | IETF Draft | IETF | 20 | Low | L2 | Fake TCP |
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Published November 29, 2012 Reads 2,226
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Lori MacVittie is responsible for education and evangelism of application services available across F5’s entire product suite. Her role includes authorship of technical materials and participation in a number of community-based forums and industry standards organizations, among other efforts. MacVittie has extensive programming experience as an application architect, as well as network and systems development and administration expertise. Prior to joining F5, MacVittie was an award-winning Senior Technology Editor at Network Computing Magazine, where she conducted product research and evaluation focused on integration with application and network architectures, and authored articles on a variety of topics aimed at IT professionals. Her most recent area of focus included SOA-related products and architectures. She holds a B.S. in Information and Computing Science from the University of Wisconsin at Green Bay, and an M.S. in Computer Science from Nova Southeastern University.
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