Download Junos Enterprise Switching by Harry Reynolds PDF

By Harry Reynolds

With this e-book you are going to know the way juniper is and the way junos operates.
Highly urged both in order to get juniper certification or administer your switchs.

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Extra info for Junos Enterprise Switching

Sample text

The term protocol is bandied about all the time in this industry. The essence of a protocol is simply a mutually agreed upon set of rules and procedures that in turn govern the behavior of the participants to help ensure orderly operation. Thus, the English language is a protocol, as are the rules of Parliament. In both cases, a violation of protocol can cause confusion or malfunction. Data communications networks are based on layered protocols that provide a divideand-conquer approach to the daunting task of getting complex information from one source to some remote host over error-prone and unreliable communications paths, all the while providing authentication, authorization, and in some cases actual translation services to compensate for differences in local data representation.

The ability to move forward with working solutions without being bogged down in international law and geopolitics means that IETF standards significantly outpace their international counterparts, and are typically backed by a working implementation to boot! 361, would meet every four years to make updates and solve problems. In theory, the world was supposed to patiently await their collective wisdom; in reality, IP simply ran the whole process over and never looked back to see what that bump in the road even was.

All of this sounds exactly like what IP does, except that IP deals with packets and not packages. IP addressing IP addressing is a topic that is well covered in numerous other places. Technically, this being an Ethernet-based LAN switching book and all, it could be argued that anything above Layer 2 is beyond the scope of this book. Yes, this could be said. But to do so would ignore the truth that virtually all new networks are IP-based, and each day some multiprotocol LAN gets closer to pure IP nirvana as one more of its legacy protocols is decommissioned in favor of IP transport.

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