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That's why the new Ethernet protocol 802.11aq is recommending Shortest Path Bridging (SPB) as a robust alternative to Spanning Tree Protocol (STP). Not only it'

That's why the new Ethernet protocol 802.11aq is recommending Shortest Path Bridging (SPB) as a robust alternative to Spanning Tree Protocol (STP). Not only it's more robust, but it is more secure with extra resilience against broadcast storm. It also can support multi-cast function more easily and intuitively at data-link layer [1],[2]. Compared to the new SPB, STP looks like an immature hacks and why it took so long to be replaced is beyond me. [1]IEEE 802.1aq: https://en.m.wikipedia.org/wiki/IEEE_802.1aq https://en.m.wikipedia.org/wiki/IEEE_802.1aq [2] 802.1aq Shortest Path Bridging Design and Evolution: The Architect's Perspective: https://ieeexplore.ieee.org/book/6381532 https://ieeexplore.ieee.org/book/6381532

throw0101d 3y ago
> That's why the new Ethernet protocol 802.11aq is recommending Shortest Path Bridging (SPB) as a robust alternative to Spanning Tree Protocol (STP). This is a dead letter standard: most folks who would 'need' SPB are probably using BGP EVPN to reduce the Layer 2 'blast radius'. It should also be noted that the IEEE was dragged kicking and screaming towards SPB: originally TRILL was proposed, but the IEEE rejected it, and so the IETF published: * https://en.wikipedia.org/wiki/TRILL_(computing) https://en.wikipedia.org/wiki/TRILL_(computing) IEEE realized their mistake and published SPB, so now there are two L2 standards. Not many folks who either though, with anyone really needing 'large scale' stuff moving towards L3 solutions.