Re: [Fwd: [Forces-protocol] Presentation of the options forLFB-level multicast]
Jamal Hadi Salim <hadi@znyx.com> Sat, 13 November 2004 01:14 UTC
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Subject: Re: [Fwd: [Forces-protocol] Presentation of the options forLFB-level multicast]
From: Jamal Hadi Salim <hadi@znyx.com>
To: "Wang,Weiming" <wmwang@mail.hzic.edu.cn>
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Cc: "Khosravi, Hormuzd M" <hormuzd.m.khosravi@intel.com>, "(Ram Gopal )" <ram.gopal@nokia.com>, Avri Doria <avri@acm.org>, forces-protocol@ietf.org, "Joel M. Halpern" <joel@stevecrocker.com>, Patrick Droz <dro@zurich.ibm.com>, David.Putzolu@intel.com, Dong Ligang <donglg@mail.hzic.edu.cn>, Robert Haas <rha@zurich.ibm.com>
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Hrm, I think i may have figured what Weiming has been saying all along - but i could still be wrong ;-> While on the plane i started jotting down how we do data encoding in our code. And it struck me to be probably related to what Weiming was saying. To make sense of this please look at the slides i presented at the last example. In our implementation so far we havent had the opportunity to use a nested table, but i think that example is useful. When we do a get we pass the path as in the scheme presented so far i.e path=1 to access goo1 and path=2 to access goo2 as well as path={4,0} to access datatable2 first row. So lets start with a simple example of the response getting goo1. We get back a TLV; the T=ID=1 and the content being a padded 32 bit (since goo1 is 16 bits). Example2: Lets say the request path was 4 (for datatable2) in that case we get the whole table 4. This is encoded similarly with T being the ID in this case T = 4, length = size of all entries in bytes + 4*numberofrows It is assumed that all rows in the tables are 32 bit aligned. Each table row is preceeded by a 32 bit index followed by the structure for the row. This extra 32 bit index is not needed if the table already has an index as part of its row contents. I wont go into the nested table example because i want people to digest this. Now you could logically argue (as probably Weiming was) that to set a value you would use the same technique. A query and delete stay the same as before (since they only need to identify the path). Dont wanna go into block or content operations yet. But it should be noted that if you used the above mentioned encoding you could send blocks of data to update a table as well as have holes in that table; example you could have index0 followed by 3 and miss out 1 and 2. I will write up more on our encoding scheme later, just wanted to share my brain storm at 30K feet. cheers, jamal _______________________________________________ Forces-protocol mailing list Forces-protocol@ietf.org https://www1.ietf.org/mailman/listinfo/forces-protocol
- Re: [Forces-protocol] Presentation of the options… Weiming Wang
- Re: [Fwd: [Forces-protocol] Presentation of the o… Weiming Wang
- Re: [Fwd: [Forces-protocol] Presentation of the o… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Weiming Wang
- Re: [Forces-protocol] Presentation of the options… Robert Haas
- Re: [Forces-protocol] Presentation of the options… Weiming Wang
- Re: [Fwd: [Forces-protocol] Presentation of the o… Weiming Wang
- Re: [Fwd: [Forces-protocol] Presentation of the o… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Robert Haas
- Re: [Fwd: [Forces-protocol] Presentation of theop… Weiming Wang
- Re: [Fwd: [Forces-protocol] Presentation of theop… Weiming Wang
- Re: [Fwd: [Forces-protocol] Presentation of theop… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation oftheopt… Wang,Weiming
- Re: [Fwd: [Forces-protocol] Presentation oftheopt… Wang,Weiming
- Re: [Fwd: [Forces-protocol] Presentation oftheopt… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentationoftheopti… Wang,Weiming
- Re: [Fwd: [Forces-protocol] Presentation oftheopt… Jamal Hadi Salim
- [Forces-protocol] protcol slides Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Robert Haas
- Re: [Fwd: [Forces-protocol] Presentation of the o… Wang,Weiming
- Re: [Fwd: [Forces-protocol] Presentation of the o… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Wang,Weiming
- Re: [Fwd: [Forces-protocol] Presentation of the o… Robert Haas
- Re: [Fwd: [Forces-protocol] Presentation of the o… Joel M. Halpern
- Re: [Fwd: [Forces-protocol] Presentation of the o… Wang,Weiming
- Re: [Fwd: [Forces-protocol] Presentation of the o… Wang,Weiming
- Re: [Fwd: [Forces-protocol] Presentation of the o… Wang,Weiming
- Re: [Fwd: [Forces-protocol] Presentation of the o… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Wang,Weiming
- Re: [Fwd: [Forces-protocol] Presentation of the o… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Joel M. Halpern
- Re: [Fwd: [Forces-protocol] Presentation of the o… Joel M. Halpern
- Re: [Fwd: [Forces-protocol] Presentation of the o… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Joel M. Halpern
- Re: [Fwd: [Forces-protocol] Presentation of the o… Weiming Wang
- Re: [Fwd: [Forces-protocol] Presentation of the o… Weiming Wang
- Re: [Fwd: [Forces-protocol] Presentation of the o… Joel M. Halpern
- Re: [Fwd: [Forces-protocol] Presentation of the o… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Joel M. Halpern
- Re: [Fwd: [Forces-protocol] Presentation of the o… Jamal Hadi Salim
- Re: [Fwd: [Forces-protocol] Presentation of the o… Joel M. Halpern
- [Forces-protocol] Data Encoding Weiming Wang
- Re: [Forces-protocol] Data Encoding Jamal Hadi Salim
- Re: [Forces-protocol] Data Encoding Joel M. Halpern
- Re: [Forces-protocol] Data Encoding Weiming Wang
- Re: [Forces-protocol] Data Encoding Weiming Wang
- Re: [Forces-protocol] Data Encoding Joel M. Halpern
- Re: [Forces-protocol] Data Encoding Jamal Hadi Salim
- Re: [Forces-protocol] Data Encoding Wang,Weiming
- Re: [Forces-protocol] Data Encoding Jamal Hadi Salim