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Updates README.md of load_balance and mri (#79)

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alex1230608 2017-11-05 09:21:37 -06:00 committed by Robert Soule
parent 6c82b6fbe7
commit 65a4334734
2 changed files with 10 additions and 7 deletions
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6
P4D2_2017_Fall/exercises/load_balance/README.md
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@ -4,9 +4,9 @@ In this exercise, you will implement a form of load balancing based on
a single version of Equal-Cost Multipath Forwarding. The switch you a single version of Equal-Cost Multipath Forwarding. The switch you
will implement will use two tables to forward packets to one of two will implement will use two tables to forward packets to one of two
destination hosts at random. The first table will use a hash function destination hosts at random. The first table will use a hash function
(applied to a 5-tuple consisting of the source and destination (applied to a 5-tuple consisting of the source and destination
Ethernet addresses, source and destination IP addresses, and IP IP addresses, IP protocol, and source and destination TCP ports)
protocol) to select one of two hosts. The second table will use the to select one of two hosts. The second table will use the
computed hash value to forward the packet to the selected host. computed hash value to forward the packet to the selected host.
> **Spoiler alert:** There is a reference solution in the `solution` > **Spoiler alert:** There is a reference solution in the `solution`

11
P4D2_2017_Fall/exercises/mri/README.md
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@ -38,7 +38,7 @@ switch in Mininet to test its behavior.
* start a Mininet instance with three switches (`s1`, `s2`, `s3`) configured * start a Mininet instance with three switches (`s1`, `s2`, `s3`) configured
in a triangle. There are 5 hosts. `h1` and `h11` are connected to `s1`. in a triangle. There are 5 hosts. `h1` and `h11` are connected to `s1`.
`h2` and `h22` are connected to `s2` and `h3` is connected to `s3`. `h2` and `h22` are connected to `s2` and `h3` is connected to `s3`.
* The hosts are assigned IPs of `10.0.1.10`, `10.0.2.10`, etc * The hosts are assigned IPs of `10.0.1.1`, `10.0.2.2`, etc
(`10.0.<Switchid>.<hostID>`). (`10.0.<Switchid>.<hostID>`).
* The control plane programs the P4 tables in each switch based on * The control plane programs the P4 tables in each switch based on
`sx-commands.txt` `sx-commands.txt`
@ -193,10 +193,13 @@ got a packet
| |###[ SwitchTrace ]### | |###[ SwitchTrace ]###
| | swid = 1 | | swid = 1
| | qdepth = 17 | | qdepth = 17
###[ UDP ]###
sport = 1234
dport = 4321
len = 18
chksum = 0x1c7b
###[ Raw ]### ###[ Raw ]###
load = '\x04\xd2' load = 'P4 is cool'
###[ Padding ]###
load = '\x10\xe1\x00\x12\x1c{P4 is cool'
``` ```