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Cell Relay Retreat>List Archive>month:1996-Jun> msg00003



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Cut-through in ATM - when and where?

  • From: "FUJIKAWA, Kenji/=?ISO-2022-JP?B?GyRCRiNAbhsoQg==?= =?ISO-2022-JP?B?GyRCOC08IxsoQg==?= " <magician@kuis.kyoto-u.ac.jp>
  • Date: Mon, 03 Jun 1996 12:25:38 +0900

gja> NHRP in sparse ATM cloud scenarios may well boil down to the same
gja> thing.
gja> 
gja> However, consider NHRP in a scenario where the ATM cloud is
gja> densely populated with switches, and the overlaid IP network is sparse
gja> wrt routers. The ATM VCC established after the NHRP Reply may end

In my opinion,
if ATM switches are connected to switches that is physically
near to themselves,
NHRP's shortcuts may be effective.

However, in an environment where ATM switches are connected 
hierarchically and routers are located properly,
paths created by NHRP is almost identical to those by 
classical IP routing except via routers.
If you want to use virtual LANs,
you can use IP mobility.
---------------------------------------------------------
FUJIKAWA, Kenji @ Dept. of Info. Sci., Kyoto Univ., Japan
                  TEL +81 75-753-5387 FAX +81 75-751-0482
                       e-mail magician@kuis.kyoto-u.ac.jp