Is host identification most useful for fault finding?
> -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Christian Vogt > Sent: 29 June 2009 21:38 > To: Toni Stoev > Cc: IRTF RRG > Subject: Re: [rrg] Next topic: properties of identifiers > > Toni - > > I don't think that host identification is a necessary element > of an Internet architecture. It is important which software > process you reach, not which hardware this software process > runs on. Load-balancing mechanisms such as Akamai exploit > just this. Similarly, after contact establishment, it is > important to reach the protocol state for the particular > session at hand, not which hardware this state is currently > residing on. Session mobility mechanisms exploit just this. > So host identification is not a general requirement. > > Of course, individual Internet architecture solutions may use > host identifiers as part of service or session > identification. Even the existing Internet does this, as I > mentioned in my previous email. In those cases, the host > identifiers are used in composition with other, typically > host-local identifiers, so that the composition identifies > either a service or a session. > > So again, we need identifiers for only two purposes: for the > purpose of service identification, and for the purpose of > session identification. > > - Christian > > > > On Jun 26, 2009, Toni Stoev wrote: > > > Christian, > > > > There is one more primary need for identification on the general > > network. That is the necessity of node identification. A > node has to > > have identifier in order to be distinguished from other nodes. Node > > identification provides for efficient handling of node multihoming, > > possibly dynamic, and for stable mapping of human readable > names. One > > basic use of node identification is connection > identification, which > > includes node identification. A complement to that use is > the presence > > of node identification in connection initiation. Node > identification > > descends from the domain name system and is currently woven into > > unicast addressing. Extracting it from both is the evolution. > > > > Toni > > > > _______________________________________________ > rrg mailing list > [email protected] > http://www.irtf.org/mailman/listinfo/rrg > _______________________________________________ rrg mailing list [email protected] http://www.irtf.org/mailman/listinfo/rrg
