... | @@ -74,20 +74,42 @@ achieved. |
... | @@ -74,20 +74,42 @@ achieved. |
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### IEEE 802.1Qat: Stream Reservation Protocol (SRP),
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### IEEE 802.1Qat: Stream Reservation Protocol (SRP),
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- it utilizes three signaling protocols, MMRP (clause 10.9 of \[1\]),
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\* it utilizes three signaling protocols, MMRP (clause 10.9 of \[1\]),
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MVRP (clause 11 of \[1\]) and MSRP (clause 35.1 of \[1\]) to
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MVRP (clause 11 of \[1\]) and MSRP (clause 35.1 of \[1\]) to establish
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establish stream reservations (register stream and reserve
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stream reservations (register stream and reserve resources) across a
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resources) across a bridged network:
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bridged network between two end stations (talker and listener)
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- talkers (source) initiates by sending an SRP *talker advertise*
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message
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* talkers (source) initiates by sending an SRP *talker advertise*
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- listener (destination) acknowledges by replaying with *listener
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message which include:
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ready* message
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- talker advice include:
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\* talker advice include:
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- Stream ID (source MAC, talker-specific unique ID and destination
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MAC)
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*\* Stream ID (source MAC, talker-specific unique ID and destination
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- QoS requirements (e.g., AVB traffic class and data rate
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MAC)
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information),
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- accumulated worst case latency (recalculated at each bridge)
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*\* QoS requirements (e.g., AVB traffic class and data rate
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information),
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*\* accumulated worst case latency (recalculated at each bridge)
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* listener (destination) acknowledges by replaying with *listener
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ready* message
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- the signaling protocols:
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- Multiple MAC Registration Protocol (MMRP) is optionally used to
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control the propagation of Talker registrations throughout the
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bridged network (35.2.4.3.1 of \[1\]).
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- Multiple VLAN Registratin Protocol (MVRP) - used by end stations
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and Bridges to declare membership in a VLAN where a Stream is
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being sourced.
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- Multiple Stream Registration Protocol (MSRP) - a signaling
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protocol that provides end stations (talker and listener) with
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the ability to reserve network resources (ensure Quality of
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Service), end stations
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-
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- stream can be de-registered by either talker or listener
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- stream can be de-registered by either talker or listener
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- references
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- references
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[1](http://standards.ieee.org/findstds/standard/802.1Qat-2010.html)
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[1](http://standards.ieee.org/findstds/standard/802.1Qat-2010.html)
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