[Distributed_systems] week 8?

Sun Apr 5 13:53:51 CEST 2020

Hi Mark,
At the moment the video is uploaded to the staff team in Teams.
You can find it in the files section under General channel.

I will add the translation to SVN. Can I update your Readme file?

Regards,
Peter

Török Márk <tmark at caesar.elte.hu> ezt írta (időpont: 2020. ápr. 5., Vas
13:43):

> Hi Peter,
>
> Very nice, can you please put these translations to the repo, so English
> speaker colleagues can use them.
> Most of my exercises based on Robi's list with additional info that can
> help students go through them by themselves.
>
> Where can we find the videos?
>
> 1. We should give the videos to students a week before our class with some
> homework.
> 2. At the lab, they can ask and if needed, we give a solution for them.
>
> Regards,
> Mark
>
>
> 2020 Április 5, Vasárnap 12:25 CEST dátummal, Grünwald Péter <
> grunci at gmail.com> ezt írta:
>
> > Hi,
> >
> > To be honest, I think Márk has really good tasks in this area:
> > I have added an English translation to the tasks:
> >
> > ---
> >
> > Készíts olyan chat alkalmazást, amelyben a két kliensnek nem kell
> egymásra
> > várnia soronként, hanem bármikor beszélhetnek egymáshoz, és ez azonnal
> > kiíródik a másik kliensnél. `AsyncChatServer.java` és
> `AsyncChatClient.java`
> > *Create a chat application, where the two clients don't have to wait for
> > each other. Instead, they can talk to each other anytime, and their
> message
> > immediately printed at the other client.*
> > ---
> >
> > Készíts chat szervert, amelyhez tetszőleges számú kliens kapcsolódhat,
> > illetve bármikor bonthatják is a kapcsolatot. Minden kliens először a
> nevét
> > közli egy sorban. A kliensek bármikor beszélhessenek, ami azonnal íródjon
> > ki minden kapcsolódott kliensnél. `NamedChatServer.java` és
> > `NamedChatClient.java`
> > *Create a chat server, where any number of clients can join, and they can
> > disconnect any time. Every client first sends its name. Clients can talk
> > any time, and the message of a client shall be printed out at every other
> > client.*
> >
> > ---
> >
> > Adott két szerver. Az első szerver két parancssori paramétere egy cím és
> > port, melyen egy második szerverhez tud csatlakozni, és névként a
> `server`
> > szót küldi át, melyből a másik szerver tudja, hogy szerver kapcsolódott
> > hozzá. A kliensek csatlakoznak tetszőlegesen egyik vagy másik szerverhez,
> > melyekre üzeneteket küldenek. Ha egy kliens az üzenetét elküldte egy
> > szervernek, akkor az a másik szerverhez átküldi azt, amelyik továbbítja
> > azokat a hozzá csatlakozó kliensek számára. `MultiChatServer.java` és
> > `MultiChatClient.java`
> >
> > *There are 2 servers. The first server can be started with an address
> and a
> > port as command line argument. These arguments are used to connect to
> > another server, with server as a name. The other server knows from this
> > name, that a server is connected to it. Clients can connect to any of the
> > servers, and send messages. When a client sends a message to server, it
> > sends it to the another server, which broadcasts it to all its clients.*
> >
> > ---
> >
> > So here is my plan:
> > *Please note, that my class is 10-12 Monday.*
> >
> > 1) Give the video to the student. Latest this evening
> > 2) First exercise is the one which the video is about. *I agree with
> Tamás,
> > that it could be homework, but I hardly think, students would be ready
> with
> > it by tomorrow morning.*
> > 3) Once this task is done, they would get the next two tasks.
> > 4)Of course, there are faster and slower people in the class. I would
> like
> > to post these tasks in BEAD. (I have already asked Artúr to create the
> > group for me) I don't say, I will go through each and every solution,
> > because it is a lot of time and effort. But I would like to give the
>
> > students the feeling, that they need to work, and they get real
> assignments
> > during the class.
> > 5) And I would give 20-30 minutes for each task for them to complete.
> Then
> > I would go to *demo mode, and show them the tricky parts.*
> >
> >
> > *What do you think?*
> >
> >
> >
> > Regards,
> > Peter
> >
> > On Fri, Apr 3, 2020 at 11:39 AM Lukács Dániel <dlukacs at caesar.elte.hu>
> > wrote:
> >
> > > Hi!
> > >
> > > Thank you for being on time! :) I watched the video just now, I think
> the
> > > quality is good overall! I noticed maybe a few breaks that could be
> edited
> > > out before the final release, but let's see if the others find it
> > > necessary. I appreciated the figures, and that you point to the words
> you
> > > talk about.
> > >
> > > So the content is an introduction of the task of parallelizing the chat
> > > server and chat client with some code examples.
> > >
> > > What's your plan for the students (and instructors) to do during the
> class?
> > >
> > > Thanks,
> > > Dániel
> > >
> > >
> > > On 4/2/20 10:52 PM, Grünwald Péter wrote:
> > >
> > > Hi,
> > > I have created a video. It is 10:41 minutes long.
> > > I have just uploaded it in Teams.
> > >
> > >
> https://ikelte.sharepoint.com/sites/DistributedSystemsStaff2/Megosztott%20dokumentumok/General/2020-04-02%2022-34-21.mkv
> > >
> > >
> > > Please check it, and come back with comments. I am sure, you will have
> > > some :)
> > > I would like to thank a lot to Márk, as I used his implementations for
> the
> > > demonstration. Thanks! :)
> > >
> > > Let's collect the comments, and then I can create a new video if
> needed.
> > > Regards,
> > > Peter
> > >
> > > On Thu, Apr 2, 2020 at 9:45 PM Lukács Dániel <dlukacs at caesar.elte.hu>
> > > wrote:
> > >
> > >> Hi!
> > >>
> > >> Superb! It should be Hungarian. I will translate it to Charles.
> > >>
> > >> Dániel
> > >>
> > >>
> > >> On 4/2/20 9:42 PM, Grünwald Péter wrote:
> > >>
> > >> Hi,
> > >> Sorry, that I forgot to ask:
> > >> What should be the language of the video?
> > >> Hungarian or English?
> > >>
> > >> I am about to start the recording :)
> > >>
> > >> Regards,
> > >> Peter
> > >>
> > >> On Thu, Apr 2, 2020 at 11:37 AM Lukács Dániel <dlukacs at caesar.elte.hu
> >
> > >> wrote:
> > >>
> > >>> Hi Péter,
> > >>>
> > >>> Thank you, that would be perfect! I think the easiest way to share a
> > >>> working copy internally is to simply upload it as a file to the
> Staff team.
> > >>> Each of us already has access there, and it's very easy to reupload
> new
> > >>> versions if needed.
> > >>>
> > >>> Dániel
> > >>>
> > >>>
> > >>> On 4/2/20 8:27 AM, Grünwald Péter wrote:
> > >>>
> > >>> Hi,
> > >>> I will be able to work on my video today evening, so most probably it
> > >>> will be ready for tomorrow morning, or late this night.
> > >>>
> > >>> The reason I am not really available on Team is, that at Ericsson we
> > >>> also use Teams, and I cannot be logged in with 2 different accounts.
> So I
> > >>> always need to swap.
> > >>>
> > >>> Regards,
> > >>> Peter
> > >>>
> > >>> On Mon, Mar 30, 2020 at 8:30 PM Török Márk <tmark at caesar.elte.hu>
> wrote:
> > >>>
> > >>>> Hi All,
> > >>>>
> > >>>> Do we have a streaming server? Where can we store these videos and
> how
> > >>>> can we make them available for students?
> > >>>>
> > >>>> Thank you,
> > >>>> Mark
> > >>>>
> > >>>>
> > >>>> 2020 Március 30, Hétfő 14:25 CEST dátummal, Lukács Dániel <
> > >>>> dlukacs at caesar.elte.hu> ezt írta:
> > >>>>
> > >>>> > Hi!
> > >>>> >
> > >>>> > That's awesome! :) I think most of us are new to this, so it's
> still
> > >>>> all
> > >>>> > experimental.
> > >>>> >
> > >>>> > The length should be around 20 minutes. Maybe less, but definitely
> > >>>> not
> > >>>> > more.
> > >>>> >
> > >>>> > I guess the topic is mostly up to you (until it's multithreaded
> > >>>> servers
> > >>>> > :)), but if you need a plan:
> > >>>> >
> > >>>> >   * The *video* could be some theory intro and a demo about moving
> > >>>> from
> > >>>> >     iterative server to multithreaded server. (With iterative
> server,
> > >>>> >     one client has to wait until the other client finished
> > >>>> >     communication. Threads can solve this problem.) If you don't
> want
> > >>>> to
> > >>>> >     code everything from scratch, it may be a good idea to create
> a
> > >>>> >     supplementary handout and refer to that in the video.
> > >>>> >   * During class they could implement Robi's chat server and chat
> > >>>> client
> > >>>> >     during *class*. They will need a detailed assignment text for
> > >>>> this.
> > >>>> >     As Robi said, a demo (or written instruction) could be
> necessary
> > >>>>
> > >>>> >     here if there are difficult or unexpected or tricky
> operations.
> > >>>> >   * Finally, they could solve Robi's HTTP server for *homework*.
> They
> > >>>> >     will need a detailed assignment text for this.
> > >>>> >
> > >>>> > If they have this down, then week 9 could be about implementing
> > >>>> > ping-pong and avoiding deadlocks.
> > >>>> >
> > >>>> > Is it realistic for you to finish the video until Thursday night?
> We
> > >>>> > could then review it on Friday and publish it, so students would
> have
> > >>>> > time to watch it during the weekend.
> > >>>> >
> > >>>> > Bests,
> > >>>> >
> > >>>> > Dániel
> > >>>> >
> > >>>> >
> > >>>> > On 3/30/20 10:17 AM, Grünwald Péter wrote:
> > >>>> > > Sziasztok!
> > >>>> > >
> > >>>> > > Hát ilyen videót még nem csináltam, de megpróbálom.
> > >>>> > > Milyen hosszú legyen?
> > >>>> > > Milyen témákat tárgyaljon pontosan?
> > >>>> > >
> > >>>> > > Üdv,
> > >>>> > > Péter
> > >>>> > >
> > >>>> > > On Sun, Mar 29, 2020 at 1:16 PM Lukács Dániel <
> > >>>> dlukacs at caesar.elte.hu
> > >>>> > > <mailto:dlukacs at caesar.elte.hu>> wrote:
> > >>>> > >
> > >>>> > >     Dear All,
> > >>>> > >
> > >>>> > >     No one signed up yet for preparing teaching materials for
> week
> > >>>> 8 (the
> > >>>> > >     one starting on April 6). The topic is Multithreaded
> > >>>> client-server 1.
> > >>>> > >
> > >>>> > >     I would do it because new topics are usually easier, but I'm
> > >>>> already
> > >>>> > >     working on the large assignment :(
> > >>>> > >
> > >>>> > >     Péter, is it possible for you to prepare the materials for
> week
> > >>>> 8?
> > >>>> > >
> > >>>> > >     Dániel
> > >>>> > >
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
>
>
>
>
>
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