Interview finally over, the recent months, had been suffering for CMMI certification activities, beginning on this thing is very strange, not a lot of information is available, after several months of exploration, but also mastered the CMMI certification some of the Cn, In fact, to say they felt cmmi certification not imagine that complicated, but if initially not enough experience for reference, then explore the process is very painful, now take the mind is still relatively hot, put some of their own experience to share out to the people was to leave a reference, I certainly will not play anymore after this the
First of all, I feel that the Ping Gu of enterprises should understand that, can not be too "real", if really worked in the process to the CMMI, 椤圭洰 easily be worn down, Shifouzhide really do the project by cmmi process first Butao Lun, Here are just discuss how to minimize the cost to go through this certification.
So I think the most popular explanation cmmi, is to define a number of processes, if you thought about this thing, you have to meet those processes that require businesses to have a special organization to protect this thing, where maintenance means is improved, but these improvements are chipping away, a large process will not change, this process is the standard process, the process of the organization to maintain this standard is the EPG. Standard procedure now has, is a general outline, then the time to do the project in accordance with the outline on to, so everything in the project to the standards you have to pull the process on, so that means you do things is based, not shooting head, and explain your business process is not confusion, is a set of uniform standards in accordance with the.
Here we talk about the most important aspect ------------- interview.
Interview crash and take a look at what things need to know, I think the simple little sense back problems, sort out their own process of the project clearly is benevolent, because this LV how casually ask, you will not leave your main line, LV Q You ask the question is not chaos, he is every point of asking you a basic will be asked each point, the simple answer to these points in fact quite simple, but, the challenge is in your echoed these points need not self-contradictory. Crash and need to pay attention to these points one by one place to clean up, according to the order from simple to difficult
Deviation: The deviation of the table you can write, and find the deviation of 1-2 time points can write a solutions can be, lacks much to say
Risk: In accordance with the risk of bank risk in the project which identified surprising, writes risk tracking table inside, note that, in the context of each milestone in the re-identification of risk can be
Project Week will be: what matter is made every week, there Sha problem, look for 1-2 weeks fabricated several problems, pay attention to next week, reflecting track, said last week what the problem solved by overtime can
Measure: through the collection of relevant personal data collection out weekly, so individuals need to fill out weekly progress and workload of individual classes, pay attention to the corresponding point in time can be up deviation tables can, when the end of the project to submit this data to the EPG, and then he was to improve the standards process, and PM Meisha relationship.
Progress of the project, this is reflected on the project tracking report for each milestone to the project team as well as high-level, attention to the contents of the progress report to reflect the relevant stakeholders and data management, this much to complain much to say, the relevant stakeholders that every stage what people were involved, such as personnel requirements stage to see if demand does not intervene, you say all involved, and listed up. Who says so and so Data Management through this, and on the stage about what so and so who borrowed materials and return as scheduled, and each stage can be a written one.
Requirements: This place is most difficult to understand the interface requirements of management, others have much to complain much to say, the interface is not a mandatory requirement in fact, how to write with you, you just did it on it. According to my understanding is that the internal interface, you say your project needs into development, there is a unified DAO interfaces, as well as items for the various modules communicate with each other through the service, there is the background and foreground code can interact with the way html , DAO can support multiple databases, idiot, right?. I wrote the external interface is the need for external RSS subscription feature, there Call watercress api needs, there are hyperlinks can link to whatever site, you can write so many had. Remember, though, your last outline design and detailed design needs reflected, for example designed DAO, service layer, designed to support arbitrary switching ORM database (of course, the framework for you you say you do), the design of the RSS reader module, designed jsp, etc.. Demand for finished you need to write a summary report to identify what is critical and what is acceptable and what is not recommended to achieve, you can say it's gone.
The following vulnerabilities are the most susceptible to pre-plan, estimates of the class, this is for many people, nobody knows for sure, the whole process is as follows:
The first step: project, project will be held to determine who participate, according to that film forehead, put it nicely is group decision-making style, so who determined, multiplied by the wage, so that you estimate the human cost out
The second step: the process of developing the project definition of the book, this is Gesha thing? Is the project to do the project in accordance with the standard EPG of that process to maintain, not how you want to define that desired random on how the definition of a cutting issues involved here, in fact, This cut is also much to complain good cut, because the more you cut the process does not meet the standards, and does not meet the cmmi a process, and then you had not, and I also said earlier that some play a minor, the real process should be, based on cutting guide, cutting guide which provides for, the issuing of the project amount or number of participants, etc. There are so several sets of similar process, you can choose a specific how the cut, that is the EPG's things, well, what the process of the project with, then what is the order of the process look like? There is therefore a life cycle model selection guide, or the basis that a few, try to choose waterfall model, as simple. The last 2 points in accordance with such a process on the formulation of a definition of a book, and inside the document which I write, the life cycle is Sha Yangzi, and then more milestone in the development cycle, time for the time being can not, because the estimated project duration has not come out.
Third step: Estimation of the table. The number of projects in front of the process definition which has been defined to write the document, then staff you have, you will arrange for people to write these documents, a person needs to spend a few days to write a document, this is you want to shoot out of his forehead, say it points, called the expert decision making, such an accumulation, your total workload out, unit by man-days to come. Well, we crash and take a look at the following estimates of working hours, meaning that how much time I spend at each stage, the attention and effort to distinguish that this is purely a matter of time, because when you are doing estimates, demand is also being , or less demand that out, because there is no requirement to do a rough estimate that out of devil's letter! these general requirements is that function points, and then you try to point these features into lines of code, you casually found an algorithm by one plus one can, and pay attention to this method requires estimates Guide EPG written inside, to use when you say you are a guide to which method of estimation. This line of code out, and then look for the organization's measurement repository ----- that every time you finish the project will be submitted to the organize your measurement data in this project, and EPG to a summary of each into a library for your reference, which will certainly have to remember a number of lines per code, and then you an addition, you get how much time you need the development phase, other phases of the 鍜嬪姙? Or finding organizational Duoliang libraries, which have such a positive, each stage share the entire duration of the proportion of the development phase now have, you infer the other stages, such a simple mathematical formula I do not say. There is, according to staff estimates of resources to, and with reference to the work of the organization-level environmental standards, a number of other relatively simple estimation friends, do not say
Step four: the project plan, summarized the results of the above came to ok the
Now we turn to another aspect ------------- documentation, we do not know the first to write Sha document, the document which the content of the written Sha, my suggestion is to spend two weeks beginning to write piid table, and then spend one and a half up pidds table document, and then prepared to interview a month, so 3 months is you had.
Very numerous and the overall feel cmmi assessment only, but did not think the less complex, more than I know some of the more important, specific details can be discussed separately.
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