... | @@ -151,8 +151,16 @@ Improvements to AVB Gen 1: |
... | @@ -151,8 +151,16 @@ Improvements to AVB Gen 1: |
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- Network redundancy support - actually two different types of
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- Network redundancy support - actually two different types of
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redundancy are required
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redundancy are required
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- static redundancy
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- static redundancy - redundant paths from the source to the
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- dynamic redundancy
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receiver exist and are used at any time - duplication of frames
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must be handled by the receiver (provides seamless redundancy)
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- General Motors: redundancy of physical or logical (VLAN)
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network or ring topology (like
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[HSR](http://en.wikipedia.org/wikis/High-availability_Seamless_Redundancy)),
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[see](http://www.ieee802.org/1/files/public/docs2012/new-avb-jochim-redundancy-requirements-GM-perspective-AVB2-0312.pdf)
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- dynamic redundancy - redundant paths from the source to the
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receiver exist but only one is used at a time - no duplication
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at the receiver
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- Toyota requires Quick Network Recovery (\< 100ms),
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- Toyota requires Quick Network Recovery (\< 100ms),
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[page 6](http://www.ieee802.org/1/files/public/docs2011/new-avb-KimNakamura-automotive-network-requirements-0311.pdf),
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[page 6](http://www.ieee802.org/1/files/public/docs2011/new-avb-KimNakamura-automotive-network-requirements-0311.pdf),
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this includes:
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this includes:
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