9400AWY for Data Applications

8/12/2019 9400AWY for Data Applications

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All Rights Reserved Alcatel-Lucent

9400AWY R2.1

Data applicationsOptimized solution for WiMAX backhaul

WTPG

April 2008


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All Rights Reserved Alcatel-Lucent9400AWY for data applications

Table of content

1. Hardware Enhanced Data Plug-In

2. Ethernet Switch Features

3. WIMAX Backhauling Solution

4. Ideally positioned for WIMAX Backhauling


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Hardware Enhanced Data Plug-In (1/2)

4 x Electrical Gigabits Ethernet ports

Each port is capable to interface 10/100/1000 Mbps link partners.

Each port can be enabled or disabled

Auto-negotiation

MDI/MDIX crossover (no need to differentiate the cable as straight or cross-over)

Flow Control

Full Duplex Flow Control 802.3x (Pause frame)

Asynchronous mode. The Pause frame are generated only by the AWY to thesource at the 4RJ45 side


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Hardware Enhanced Data Plug-In (2/2)

Full flexibility E1 vs Ethernet

From 0 to 64Mbps per 2Mbps

Maximum Frame size

1536 Bytes

Maximum burst packets

Up to 100ms (up to 6,4Mb)

FCS management

Packet discarded if Check-Sum wrong (FCS field inside Ethernet frame)


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Ethernet Switch Features (1/3)

MAC SwitchingFrame transmitted to the port according to address resolution table

Frame transmitted to all ports if address no present in address resolutiontable (flooding)

MAC LearningWrite the information in address resolution table according to MACaddresses learned from frame received on each port

Up to 4096 entries in the address resolution table

MAC AgeingRemove learned addresses from the address resolution table after 300seconds


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Four transmit queues per port

Frames are assigned to each queue according to their priorityAlgorithm DWRR (Deficit Weighted Round Robin) is used to schedule eachtransmit queue

DWRR configuration : by default, weight respectively of 8, 4, 2, 1 for thefour queues on each port

With a static configuration file it is possible to configure also the fourqueues weight

QoS Policy

Configuration by craft terminal of the QoS type (802.1p or Diffserv)

802.1p QoS (3 bits of priority field defined in the 802.1p frame)

Diffserv (6 bits of priority DSCP field defined in IP frame RFC2474)

Mapping of the priority vs transmit queue done by static file


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Ethernet counter available in the MIB (Access by Craft terminal)

Total number of good packets transmittedTotal number of good bytes transmitted

Total number of regular packets received by this port

Total number of bytes in all good regular packets received by this port

Total number of packets received and dropped due to lack of resourcesTotal number of packets received with a bad FCS

Autoport shutdown

The Ethernet port is shutdown when radiolink is not working properly


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WIMAX Backhauling Solution

Why AWY release 2.1 fits to the WIMAX solution

AWY 2.1 can carry up to 64Mbps bit rateAWY 2.1 supports 10, 100 and 1000 Mbps link partners

AWY 2.1 has got 4 Ethernet ports in a level 2 switch Can aggregate 3 sectors in a terminal station

Can aggregate 3 sectors + another link in a nodal station

AWY 2.1 supports QoS then is ready for the future WIMAX enhancement802.1q in Ethernet network

Diffserve in IP network

AWY 2.1 can currently carry VLAN tagged frames and is ready to manageVLAN in future release.


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A good way to carry Ethernet + E1

New

Existing

AWY 2.1 AWY 2.1

AWY 2.1 AWY 2.1

New

Existing

AWY 2.1 AWY 2.1

32 Mbps capacity links 64 Mbps capacity link

Ethernet

N x E1

4xE1 +Ethernet 24 Mbps

7xE1 +Ethernet 18 Mbps

No additionalswitchneeded


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Ideally positioned for WIMAX Backhauling

AWY 2.1.1 provides Ethernet Aggregation

Removing the need to have an external Switch .

Integrated Solution with ALU WiMAX Base Station is available

AWY 2.1.1 is the best in class product in the ALU TDM portfolio lastMile


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9400AWY for Data Applications