Return-Path: william@bourbon.usc.edu Delivery-Date: Sun Nov 23 08:58:59 2008 X-Spam-Checker-Version: SpamAssassin 3.2.3 (2007-08-08) on merlot.usc.edu X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.2.3 Received: from bourbon.usc.edu (bourbon.usc.edu [128.125.9.75]) by merlot.usc.edu (8.14.1/8.14.1) with ESMTP id mANGwxE5016801 for ; Sun, 23 Nov 2008 08:58:59 -0800 Received: from bourbon.usc.edu (localhost.localdomain [127.0.0.1]) by bourbon.usc.edu (8.14.2/8.14.1) with ESMTP id mANGv7tH023581 for ; Sun, 23 Nov 2008 08:57:07 -0800 Message-Id: <200811231657.mANGv7tH023581@bourbon.usc.edu> To: cs551@merlot.usc.edu Subject: Re: Store Prob. and cache Date: Sun, 23 Nov 2008 08:57:07 -0800 From: Bill Cheng Someone wrote: > When a node receiving a store message decides to store it, then it > checks for available cache size. > Will there be a case when even after emptying the cache, the file is not > able to be stored in the cache. If you are asking if it's every possible, then the answer is of course yes. If you are asking about grading, please see the grading guidelines > if YES, then we should discard the file. After discarding the file, do > we still forward the store message ? The flooding behavior is independent of whether there is space to cache on this node. > In get, an intermediate node calculates cache prob to store the file in > its cache. If it decides not to store the file, then will it forward the > file or not forward it (like storeprob)? The forwading behavior is independent of whether there is space to cache on this node. -- Bill Cheng // bill.cheng@usc.edu