CCNP Certification / BCMSN Exam Tutorial: QoS Service Types

Computer and Technology - To pass the CCNP exams, you’ve need to master Quality of Service, and step one in delivering the service is knowing the differences between the various QoS types.

Now this being Cisco, we can't just have one type of QoS! We have got best-effort delivery, Integrated Services, and Differentiated Services. Let us take a fast look into all three.

Best-effort is simply actually sounding like - routers and switches making their "best effort" to provide data. This is considered QoS, but it is a "default QoS." Best effort is strict "first in, first out" (FIFO).

CCNP Certification / BCMSN Exam Tutorial:  QoS Service Types

CCNP Certification / BCMSN Exam Tutorial: QoS Service Types

A whole path from Point A to Point B will certainly be defined beforehand when Integrated Services are actually in effect. Integrated Services is a lot like the High-Occupancy Vehicle lanes found in several larger cities. In case your car has three or even more people inside it, you are considered a "priority vehicle, " and you may drive inside a special lane with a smaller amount congestion than regular lanes. Integrated Services can create this lane beforehand for "priority traffic," so when that traffic comes along, the trail already exists. Integrated Services uses the Resource Reservation Protocol (RSVP ) to make these paths. RSVP guarantees an excellent rate of service since this "priority path" is created beforehand.

Integrated Services is defined in RFC 1613. Use your favorite internet search results to locate a copy on the internet and read more this topic. It is a great idea to obtain straight into the habit of reading RFCs!

In fact, if you have lots of different dedicated paths being created that could or otherwise be applied very often, that is lots of wasted bandwidth. That leads us to the 3rd QoS model, the Differentiated Services model. Mentioned as DiffServ, there aren‘t any advanced path reservations, and there is no RSVP. The QoS policies are written upon the routers and switches, and that they do something dynamically as needed. Since each router and switch could have a special QoS policy, DiffServ takes effect on the per-hop basis instead of the per-flow basis of Integrated Services. A packet could be considered "high priority" by one router and
"normal priority" by subsequent.

Believe me; this is just the start when one thinks of Quality of Service. It is a huge topic in your exams and inside the real world's production networks, and also as with other Cisco topics, just master the basics and build after that - and you are on your path to CCNP exam success!

I think it's enough all about CCNP Certification / BCMSN Exam Tutorial:  QoS Service Types. Thanks so much :)

Comments

Post a Comment

Popular posts from this blog

CCNA / CCNP Home Lab Tutorial "The VLAN.DAT File"

Computer and Technology  -  CCNA and CCNP candidates that have their very own Cisco home labs often email me about an odd situation that occurs once they erase a switch's configuration. Their startup configuration is gone, as they simply expect. However, the VLAN and VTP information remains there! Sounds strange, does not it? Let us look into an example. On SW1, we show vlan brief and find out during this abbreviated output that there will be three additional VLANs active : SW1#show vlan be 10 VLAN0010 active 20 VLAN0020 active 30 VLAN0030 active We wish to erase the router's startup configuration, so we utilize the write erase command, confirm it, and reload without saving the running config : SW1#write erase Erasing the nvram filesystem will remove all configuration files! Continue? (confirm) (OK) Erase of nvram: complete 00: 06: 00: %SYS-7-NV_BLOCK_INIT : Initialized the geometry of nvram SW1#reload System configuration is modified. Save? yes /...
Read more

Cisco / MCSE Exam Study: Creating A Road Map To Success

Image
Computer and Technology  -  Planning for achievement upon the CCNA, CCNP, along with other Cisco exams is a lot like going for a trip with your car. You have to plan, accept the occasional detour, and merely keep on going until you will get there. But what can you do before you decide to start?  Cisco / MCSE Exam Study:  Creating A Road Map To Success Produce a road map - for achievement.  If you had been driving on one side from the country to a different, you certainly would not just get with your car and begin driving, can you? No. You‘d plan the trip out in advance. What would happen if you only got inside the car and started driving inside the hope that you‘d someday arrive at the final destination? You‘d never get there, and you'd spend a great deal of time wandering.  Do not spend your study some serious amounts of slow your progress by studying for any Cisco exam without planning the trip. Schedule your study time as you‘d an appointment ...
Read more

7 Top Tips for Microsoft Word Users

Image
Computer and Technology  -  Microsoft Word is an extremely easy tool to start out using. However, there are numerous interesting features “under the bonnet.” Some of those features can help you save a great deal of time when producing documents. I‘m amazed that They‘re Not also referred to as they ought to be. These top seven tips are my favorites, and I cannot imagine life with Microsoft Word before I found them!  7 Top Tips for Microsoft Word Users 1. Oops. I left Caps lock on!  All of us understand that feeling. You‘re typing away merrily after which you appear up at the screen to realize which you had hit the Caps Lock button. Now everything you only typed is in the incorrect capitalization. Don’t despair. Highlight the text and go to the Format menu and choose Change Case coming from the drop down menu. Then just select your required case from possibilities provided, which will likely be tOGGLE cASE.  2. While We‘re talking Cases.  Some us...
Read more