No. Released 1/14 get the data they wanted, it was a breeze. I mostly followed along with the recommended textbook, which has similar content to the course lectures, but adds more information and has some additional practical problems. Kudos to Kelly Parks (head TA) and other TAs with her. Lectures referred to projects that were no longer part of the course, for example, and Id say only the last two of the eight projects really involved playing around with SDN. I dont have much else to say here. Some Python skills and Linux skills are required. The scripts are modified to make grading easier and the piazza posts are filled with students unable to run the scripts or running into some random issues due to the script. Its recommended that you know about data structures up to something like Hash Tables. Computer networks CS6250 is my first course in OMSCS. 1 branch 0 tags. You can pick it up in the course, not heavily get used. They are excellent, provide lots of support, are attentive on Piazza. Background: BS and MS in Mechanical Engineering, work as a Data Engineer and have been working in IT for 5 years. My two main gripes with it are that the lectures were very poorly done and the course itself was too easy and shallow. Of note, this project only gets graded if you have a grade on the border between two letter grades. Because it was the summer, they squished the latter half of the content into a single exam worth 30% of your grade. I didnt find the videos helpful (skipped them), since they were essentially read word for word from the lectures anyway. The first 2 provide exemplary handoff and run-through videos. You have to put in the time to get these right, but they are all very manageable. Something about the cadence of his speech made following the lectures harder than it should be, and the way the slides were presented was basically him just free drawing diagrams, which for a complicated diagram made it messy to view and necessitated a couple of rewatches (though I had his lectures usually on 1.5x speed to smooth out the cadence of the speech). The projects account for 66% of the total marks and they are more like running simulations than developing actual products. The first few projects are designed like coding challenges in Python. ***ALSO IF YOU HAVE AN M1 MAC, GET AN x86 COMPUTER ASAP BEFORE YOU START THIS COURSE. Most lectures are just text pages to read through or the instructor reading the same write-up from a script in a monotone voice. My only real complaint is it seems like some of the projects were in flight or being modified as we went. Projects and exams are fairly easy as long as you invest time in going through lectures and papers. The lecture material was really good. Unresponsive TAs for some projects (BGPM, which is the most time consuming one, you will spend more time on this one than the first 1-3 projects combined). Tests are difficult. This was an easy course. be practical. I was surprised at the number of people complaining about this project. My profession is in software development, and when asked, I will truthfully admit I hate dealing with networking. They were all high quality papers and they all covered very interesting topics: I found most of the projects very interesting as well, though I didnt like the report based ones which were pretty boring. A lot of people say projects 2 and 3 are really hard. Protect the liver Aside from the lectures, the projects were quick little things. Make sure you are comfortable with Linux (Ubuntu) and the command line. If you understand the requirements and the usage of data, you can find a knack. Lesson modules took about an hour each week to complete. WARN: They adjust content of the course. Stacia was great, and the TAs always responded quickly. That is to say, not every slide or section of the class has a corresponding video and to my knowledge she is completely absent otherwise. I learned a lot, even having professional experience. In my opinion, the projects did a fine job of testing us on information we covered in the lessons and demanded we put forth an actual effort. I am going to walk away from this course having learned nothing. In the semester I was enrolled, students worked together to build test suites that did a good job of validating your implementation. Overall, the course was incredibly manageable and did not require a lot of effort. The class is basically run by the head TA, the prof is missing in action. The tests were also a bit tricky, so study up a lot. For example, it presents TCP details very clearly and methodically, whereas the lectures assumed you were familiar already, so it was somewhat scattered. It is assumed that you already know about protocols such as TCP and UDP since their introductions were very brief. You can read lectures and then take the quiz right after. You can even google if you cant find a clear answer from the lectures. The tests arent bad as long as you study. The contents both in teaching stuff and project/assignment descriptions are unacceptably unclear. The quiz answers are derived from the lectures. Pros : I agree with other commenters about project 5 (BGPM) being disorganized - the course staff could have done a lot better. I found this one to be easier than P1. I did learn a TON and would recommend this course. I do not have a CS background and have intermediate level python and data science proficiency. I was disappointed however because I am interested in the subject, and I feel that this class really only gave a whirlwind thin covering of the material. If you are new to programming this course is still doable. The tests I had a mixed experience with. Watch the office hours, or you wont be able to answer the projects. I took this course without any computer network background. 1. Of note, this project did not involve any test suite made available to students as was done for the first few projects. I dont think thats true anymore. I realize that after Dr. Feamsters departure, some stuff had to be worked out impromptu. In any case, the study guide (given to you on the first day of the course) will serve you extremely well as a foundation for studying for exams in this class. The exams were multiple choice/multiple answer or true/false and mostly based on remembering the high level details from the class lectures. I really liked all projects in the course. As other reviewers noted, not all the lectures have videos, and when they did, it seemed like the professor was just reading straight off a piece of paper. Most are the projects are less than 20 lines of codes, or just changing some variables/configuration in the given codes. Can be called the best I actually ended up finding a lot of the information very interesting, and the projects really drove the concepts home. I think I was lucky this semester in that there were a few very helpful and responsive students in the class who offered guidance on a lot of the class topics by their ability to summarize and explain the material on Piazza. On weeks without assignment deadline, I spent about 8 hours and during difficult projects I spent about 3 to 5 days. A few were excellent: This course was my second in OMSCS. Lectures are a bit dated (e. g. lecture talks about Skype being a peer-to-peer network but which I believe is not the case anymore). As an aside, this class has an optional textbook that is meant to supplement the lecture content. Exams are not challenging, projects are not challenging (exception to extra credit part of Project 7, where discussions about it were forbidden on Piazza). The thing I liked most was that it required no group work. Python programming is very limited. Its a bit less practical than I thought it would be, but also deeper into the design decisions and choices that were made in the development of the Internet. I took this class because a lot of reviews indicated it was easy. Course lectures ARE NOT ENOUGH. Enjoyed the course and walked away with a much better understanding of the topics. It was definitely satisfying to learn more about how the internet works and get more familiar with HTTP status codes and things I had seen in passing. Obscure! The exams were easy as well. I found that doing the optional Mininet warmup (i.e., Project #0) helped me understand what was going on here since this project relies heavily on Mininet as a dependency. Although they were generally interesting and relevant, the programming is all outdated Python 2.7 and some of the other technologies (Pyretic specifically) are also deprecated. Pretty straightforward exams and quizzes, but unfortunately the material was not interesting to me. Test 1 I thought was fairly good and required application of concepts we learned, think Test 2 missed the mark. My experience with TA and professor interaction wasnt great. During the term I did it, the course was predominantly run by the TAs. And for a course with 400+ students, thats quite an ask for the Head TA. But one thing they all have in common is an almost religious fervor adding some magic nugget gotcha to keep people from cheating by using previous semesters students work. You have to write essay answers in tests. Worst class to start my OMSCS experience off. The project code is probably broken (again). The tests and TA interaction. TCP is such a complex protocol but she did so well with it. I want to start off by saying that the Instructors for this course were top notch. The punctuation, the precise grammar, and just the basic things youd need to understand the materials are simply non-existent. Tons of duplicate posts and people asking ELI5 questions, even though this is a grad course. No gradescope for this class, so you have to implement your own tests to assure the robustness of the code before TAs grade it, luckily there are student-provided test scripts for the first 3 projects. But without Stacia, Im not sure that students in 2019 will have as good an experience. If you thoroughly go through the course contents and the weekly quizzes, you can crack them. Overall, projects are interesting, but should be improved in depth. I really enjoyed the content. The course is not extremely challenging, but its not totally easy either. And the questions in Test1 and Test2 are arguably tougher, but Test3 still had easier questions to answer. The worst part by far were the lectures. This dives into Computer Networks at a level that I dont think most people care about, but if youre really into networking and systems, this is an easy-ish class to take. Overall, a decent class. Questions asked in the forums would simply go unanswered. The course now requires you to watch the lectures to do well on the quizzes. Time spent ~45 hours, The topics are well formed. Tests your algorithms, follow the walkthrough. The projects are graded relatively quickly (~2 weeks after submission). Syllabus says last submitted assignment will be picked after deadline, but gradescope lets you pick the one you want to submit, but this does not apply for assignments that have to be submitted on canvas. Taken with Software Analysis and Test for my first semester at OMSCS. Tests: Two tests, a midterm and a final. I went in primarily to complete the foundational requirements thinking that this would be an easy class but the learning that I was able to get and the gaps in my understanding I was able to fill was so much that I am more confident on networking basics now. There were a lot of projects (8+) in this course, and usually before you finished one, the next one was already out and time ticking on it. Overall, I was happy with the course. Yes I wanted an easy class, but I wouldve preferred the topics to be more in depth. Not sure where to start. There are other posts that have described the projects + amount of time + the approx number of lines of code (if any )needed etc. Modules/exams it is pretty established that the lectures and notes can be a bit dry. Dictionaries and sets are your friends, print() statements for debugging, and help() function are what I used to understand more of the underlying object structure. Few bugs, the teaching assistant provides super detailed methods to avoid bugs (~7-10 hours), Assignment 3: Distance Vector Routing. Each exam for the summer section is worth 15% of the total grade. They sourced feedback on them from students as extra credit. Overall they were great and I thought this was a good class. Python is enough for this class. Quizzes are open note and take a lot of verbiage straight from the module. Completed 3/18, Project 6: BGP Measurements I dont have any negative comments from this class, but for those interested in this class the following should be considered: Dont get behind reading the scholarly articles. This ought to be a second year undergraduate course, if that. Overall, I would highly suggest this course if you are a new student. Partial credit is given for questions where more than one answer can be selected. What makes it worse than just all of that is their refusal to make a group announcement about the subject where it states EVERYTHING in one clear place. Useful for interviews Projects - Course was easy up until the final project, which took more code and more time to program than the other 3 projects combined. This is clearly someone else who just took over the class and it shows. I felt like the projects were interesting and where I learned the most. as these exams made me feel like I am in high school. Papers are terrible On the weeks when the projects were ongoing, the time required would go up to 12-15 hours/week. Ok, here we go: The TAs CHANGED THE PROJECT INSTRUCTIONS AND REQUIREMENTS HALFWAY INTO THE PROJECT PERIOD. The projects are the best part (my opinion is that they should basically convert them into problem sets so something can be due every week), but still not great. The readings were a mixed bag, some very interesting and some incredibly dry and/or densely academic. It is now read-only. Because of this I went from an A to a B just because I didnt include a few else-if statements. Projects 2 and 3 where the only ones corresponding to a graduate level course. If youre a solid programmer, this is a good first course to take. ! This was my first semester in the program. More than once I lost hours either due to grammatical mistakes in the instructions or inconsistencies in the supplied code that requires you to go through the code with a fine toothed comb, most likely caused by the project being built on top of a demo for one of the frameworks. I did find myself doing relatively well in this class despite my lack of understanding in some of the course content. Yes, choose your own teammates Even with my poor test scores, my final grade so far is in the high 90s because Ive gotten full points on the projects so far. The best part of this course was the interesting papers that we were assigned to read each week. Majority of the work comes from the class projects and exams. The exams were multiple choice and T/F with lots of ambiguity. This course requires reading of published papers apart from video lectures (which I found not rich in details - might be a problem for students not exposed to networking concepts earlier from school / work). lectures, instead using the content transcript provided to make notes. If that happens, I think that future students will have a much easier time with this project. Prepare for the class by learning how to use basic data structures (maps, lists, sets), write methods, and declare variables. If I could go back to the beginning of the summer I would have chosen a different class. The videos were interesting, but did not help much with the assignments. Low stress on projects, Cons: I personally didnt really need help for projects, but it was bizarre seeing posts removed for giving too much away when they were discussing completely trivial or arbitrary parts of the project. BGP Hijacking - Easy, fun but not in a challenging/rewarding way. The answer key to the study materials summarize the main points to each paper pretty well. Brushing up on python syntax and data structures should be enough to complete the projects. First, most of the content is poorly written, inconcise, duplicated across slides, and even conflicting across slides. I didnt look at a single one of the readings and Im still on course for an A on every assignment and exam so far. Some projects are more difficult than others, I had particular trouble with the last one (COVID-19 and family issues definitely had an impact there) but most can be completed in a few evenings during the week. The papers were not an easy read, but pay off with knowledge in the end! As long as you are up to date with the lecture material and regularly doing the projects, you should be good. Readings Research papers were interesting. The TAs were responsive and helpful, but the instructor was completely absent. The last 2 projects are difficult. I come from a non-CS (B.S. The lectures teach a lot. This project is optional and ungraded, but it takes no more than a couple of hours to do and provides a fine introduction to Mininet. The first few projects were challenging but very worth it. I got my hopes up after it, thinking that it was representative of what was to come, but sadly, the assignment quality went down from there. The lecture material is extremely bland and made me lose interest in Computer Networking as a future topic of study. I am very disappointed with the material quality and project depth of this course. So there was a bit of a learning curve when it came to Python, which accounts for why I marked this as a hard course and accounts for extra time spent researching data structures in Python. I felt the questions were difficult to parse sometimes, and missing more than a few guaranteed a B or C on the exam (I believe this is accurate). Incredibly responsive on Piazza. The programming projects are usually broken. Does this really measure your knowledge of the material or is it grading how much time you have or how well you can write tests? The TAs and Prof. are super active in Piazza and Office Hours are also conducted twice in a week. Theyre just walls of texts that you need to memorize. Overall, it was a good first course that can easily be paired with any other course. One criticism I had is they spent way, WAY too much time telling us how hard exam questions are to come up with. The projects uses python and implements some typical algorithms in computer networking. Those can definitely be made more challenging. I believe that most people found the Midterm more difficult than the Final, but the average score for both hovered around the mid-80s. Personally, 2 weeks was plenty of time to complete the projects. Before you make any decisions, here are hundreds and thousands of student will be effected. The only exception was the last project, due to the fact that it was launched in this semester and it was unripe. The main complaint was sometimes the questions/instructions were a little ambiguous. But then closed-book tests are more helpful retaining the concepts. Not much else to say. The programming assignments are almost laughably easy (I completed most in less than an hour), but the multiple-choice quizzes take a ridiculous amount of time. The assignments are horribly designed and not well tested before deployment. A nice variety of papers to read, and I found the lectures to be well designed / delivered, and quite cogent and lively. I was surprised by the amount of griping about the assignments. I recommend this course but I didnt like it as much as I thought I did. The projects were the best part overall, worth 66% total. More or less you run an experiment setup from a paper and write a report. Projects were very interesting and relevant. TAs try their best to help students but people were overwhelmed that there was a lot of panic during projects. Book was somewhat helpful but not entirely relevant. I think youll find they save a lot of time on note-taking. Make sure you fully test your code out with the variety of testing sources provided However, I attribute that to the nature of networking instead of the course, itself. Overall, I was disappointed with the professionalism of this course and it did not meet my expectations for OMSCS. The TA team for this class is great! Videos are good and helpful. Whether you are brand new to or a long-time user this session will get you up to speed on putting the latest features by the PowerShell team into action to solve the challenges you face today in operations. I have a strong background in networking, and I really enjoyed this class. You probably dont need to watch the lectures to understand the material. Definitely recommend doing the extra credit as it can help out by a half letter grade (6% of possible extra credt). That sounds fine, but for 2 bad side-effects: So what this means is that instead of learning about the algorithm, we spent inordinate time on this constraint that well never see again. The extra credit was a simpler version of BGP Measurements, it was a lot of fun to work with the same environment/setup after getting to know it a little bit and was more rewarding because I already had a clue of the direction to go in. 0-30 points (junk, bad review) My grades were like a crap shoot, totally random per quiz, for an equal amount of preparation for each quiz and understanding of the material. As a software engineer at my day job, I do not think I will ever use 90% of what is taught in this course unless I pivot my career to becoming a network administrator, but the topics are nonetheless interesting. Projects, which make the bulk of the course, have self-explanatory instructions. Many research papers to read. If you want to play tricks I do not understand how some students flew through the weekly lectures, as I found them to be fairly dense. Not the exam feedback but just your numeric grade. (There could have been office hours with her and I missed them, but I never did see her there, nor slack, nor Piazza.). Even when valid arguments were given for bad questions no credit was normally given. Homeworks: The homeworks are optional but not optional if you want to do well on the tests. . You just need to get the code right and then your results will be reasonable. Initially they claimed that an A will only be 92 and above (they reduced it later to a 90). Its a good choice of a first course in the program. However, she hosted office hours or posted review videos before each exam and consistently had something valuable to say when she was present. There were two tests for the summer semester and they werent awful as long as you were very thorough in your studying. Quizzes were challenging I never got them all right on the first try, but with the multiple attempts allowed and a reasonable testing strategy, I was able to get them all correct. This meant almost everyone would get an A or a B since the official class already had a 5% extra graded portion for the last project. A better choice would have been to split the project into 2 pieces; 1 piece doesnt use a network topography that requires this constraint. There is an extra credit component for project 7 that can give you an extra 5%, but it is fairly challenging (though that may depend how advanced you want your solution to be). I found this course very easy, but I also find that I did not learn very much. The lecture content is long and networking is not as sexy of a topic as something like machine learning is but you really dont need to dive into it much to do well. Computer Networking introduces you to topics that focus on the Network Layer and up. Grade weights: Quizzes total 10%, exams are 12% each, projects are 8%, 14%, 14%, 15%, 15% respectively. I think I also spent a lot of time catching up with all the posts made by the class to determine what bugs to look out for or clues to help solve the assignment. The quiz questions are often badly worded, and need clarification from the TAs on piazza. They offer modern and thorough information on the subject, but are among the dullest of the 9 courses Ive taken. If you spend the week or so before hand studying and read all the papers you should do fine. If you are new to Python, you will certainly learn the best usage of data structures and APIs. Definitely recommend for anyone who has some idea of coding and networking as a first course. They are if you dont think about your code as you write it. The projects were fun and engaging. There were 5 projects, all python, nothing particularly difficult but very much helped to reinforce the topics we were studying at the time. This isnt an introductory networking course, rather it surveys a variety of topics being used in todays internet and how they contribute to how the internet works as a whole. Almost amusingly, 99% of the issues about this project discussed in slack where around this artificial and never-before-nor-again seen constraint. Its a good summer class or a to pair up with another class. points (exclusive score for diehard licking dogs), =======Course improvement suggestions======= The class was essentially ran by the Head TA, who did a fine job, but it was disappointing to miss that expert-level interaction. Interesting topics, but the important points were buried in the article (typical techincal paper). They said it was because of the grading scripts. Project 2 and 3 which were in Python took the longest but I enjoyed the most. 60 points (barely passing) Theoretically on one host you can run both the cleint and server program so long as your not trying to listen on the same port, your sending on. Projects: 7.5/10. The one exception for me was the SDN firewall project which probably took me 8-10 hours, most of which was spent trying to understand what to do. There were a number of miscellaneous issues Id like to go over here. I felt like the papers gave a lot of extra coverage on the topics and provided much more depth than the lectures themselves. Grading for the homework is sometimes nonsensical as well. Spanning Tree Protocol - Tests your algorithms, make sure you apply yourself and follow the walkthrough. Its a ridiculously easy class. I got deeper knowledge on TCP/IP and , data center operations, network topologies, subnet masking, Router configuration, security aspects etc. Most of the help you get will be from fellow students, given the size of the class, Id say youll bound to find help from good students. It isnt that hard, no more difficult than what we were asked to do, and might actually prepare someone for life outside academia. I feel like too many people before said, This class is easy! so the professors/TAs decided to make things stupidly hard. TAs are pretty supportive on ed and available to get some help. I didnt know Python prior but I do have experience with Unix/Perl. The lecturer Dr.Konte had to jump in to clarify the Ed posts by students. For me, I had ongoing notes based on the study guide questions where Id rephrase the instructor notes for my own understanding. Course material presentation is horrible. Exams are straightforward. The homework quizzes usually had nothing to do with the lectures and required googling but were overall not too difficult. The coursework isnt much better, because they use an autograder, the submitted files have to be very exact. The lecture videos can be a bit jumpy in its explanations, though it still holds to the overall lecture topic. It is still not a hard course if you want to get a B but is definitely a hard course to get a A. I thoroughly enjoyed this class. Students needed to create tests and share their tests to fully understand what the assignment was asking for. The course projects were well designed to reflect what the course is trying to teach. It would be nice to force you to truly apply the knowledge - with review questions of in some other way. The multiple choice questions were loaded with ambiguous answers, which still seemed ambiguous after watching the lectures multiple times and scouring Google for information. You need to have at least some basic knowledge about computer network python programming. (with the odd video sprinkled in, which basically repeats the text provided). Some of the research papers were very interesting (such as Googles TCP Fast-Open research) but many of them were so dry I had to make multiple attempts at staying interested. Next time maybe give the students Wikipedia links, at least the Wikipedia pages have nice pictures and better layout. Some weeks are densely packed with information and it can be overwhelming. The professor, M. Konte, is a internet security researcher, and the weekly office hours are a chance to pick her brain on stuff. They do actually teach you something about networking algorithms and concepts to some extent, which is good. I would only recommend this course if you are too busy to take a more demanding course; otherwise, go find something more interesting to study. Between the lectures, papers, and projects a lot of information is thrown at you. Definitely review the study questions and answers carefully, as they cover nearly everything on the test. It still is Three days to the deadline. Another bonus too was the early papers that we read about how to read papers. I would like to encourage Dr. Konte to try and have more of a presence in the class. Considering the instructors accent, Id suggest you print the transcripts and read them to prepare for the exams. You dont have to be a real Pythonista, as you can pick it up along the way. Exams: This class only has a Midterm and Final, the latter not being cumulative. Projects are done in Python, generally on the course-provided VM. The content is dry and TAs dont know what theyre doing sometimes. 3) The assignments are either borderline trivial, or frustrating due to tricky technicalities. I was attempted to rate it a neutral, however, because, to be frank, this course is not graduate-level intensity.
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